{"id":1034,"date":"2023-04-03T13:12:03","date_gmt":"2023-04-03T11:12:03","guid":{"rendered":"https:\/\/www.joker.gg\/hr\/?page_id=1034"},"modified":"2025-04-01T14:55:16","modified_gmt":"2025-04-01T12:55:16","slug":"bitcoin","status":"publish","type":"page","link":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/","title":{"rendered":"\u0160to je Bitcoin?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Prva i najpopularnija kriptovaluta nastala je 2009. godine i zove se Bitcoin. To je privla\u010dno jednostavan koncept koji temeljito protresa postoje\u0107i financijski sustav: Bitcoin je digitalni novac koji omogu\u0107uje <strong>sigurne peer-to-peer transakcije<\/strong> na internetu. U ovom vodi\u010du \u0107emo vam re\u0107i sve \u0161to biste trebali znati o Bitcoinu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bitcoin je prva uspje\u0161na decentralizirana kriptovaluta koju je 2009. lansirao misteriozni tvorac <a href=\"https:\/\/www.joker.gg\/hr\/satoshi-nakamoto-steve-jobs\/\">pod pseudonimom Satoshi Nakamoto<\/a>. Rije\u010d &#8220;kriptovaluta&#8221; odnosi se na skupinu digitalne imovine u kojoj su transakcije osigurane i verificirane pomo\u0107u kriptografije &#8211; <strong>znanstvene prakse kodiranja i dekodiranja podataka<\/strong>. Odatle dolazi naziv \u2013 blockchain tehnologija.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zanimljivost<\/strong>: Prva slu\u017ebena kupnja bitcoinima obavljena je u svibnju 2010. Naime, 2 pizze iz restorana Papa John&#8217;s zamijenjene su za 10.000 BTC. Kao rezultat toga, 22. svibnja sada je poznat kao Bitcoin Pizza Day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"ub_table-of-contents\" data-showtext=\"show\" data-hidetext=\"hide\" data-scrolltype=\"auto\" id=\"ub_table-of-contents-58581859-9205-48a0-8105-6a9d85851103\" data-initiallyhideonmobile=\"false\"\n                    data-initiallyshow=\"true\"><div class=\"ub_table-of-contents-header-container\"><div class=\"ub_table-of-contents-header\">\n                    <div class=\"ub_table-of-contents-title\"><strong>Sadr\u017eaj:<\/strong><\/div><\/div><\/div><div class=\"ub_table-of-contents-extra-container\"><div class=\"ub_table-of-contents-container ub_table-of-contents-1-column \"><ul><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#0-%C5%A1to-je-bitcoin->\u0160to je Bitcoin?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#1-klju%C4%8Dne-zna%C4%8Dajke-bitcoina->Klju\u010dne zna\u010dajke Bitcoina:<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#2-tko-je-stvorio-bitcoin->Tko je stvorio Bitcoin?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#3-kako-funkcionira-bitcoin->Kako funkcionira Bitcoin?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#4-kako-nastaje-bitcoin->Kako nastaje Bitcoin?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#5-kako-postati-bitcoin-rudar->Kako postati Bitcoin rudar?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#6-bitcoin-koristi-mehanizam-dokaza-rada->Bitcoin koristi mehanizam dokaza rada<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#7-kako-kupiti-bitcoin->Kako kupiti Bitcoin?<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#8-bitcoin-prednosti>Bitcoin: Prednosti<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#9-bitcoin-nedostaci>Bitcoin: Nedostaci<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#10-bitcoin-regulacija->Bitcoin: Regulacija<\/a><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#11-kad-podvu%C4%8Demo-crtu->Kad podvu\u010demo crtu<\/a><ul><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#12-podelite-na%C5%A1-sadr%C5%BEaj-na-dru%C5%A1tvenim-mre%C5%BEama>Podelite na\u0161 sadr\u017eaj na dru\u0161tvenim mre\u017eama:<\/a><\/li><\/ul><\/li><li><a href=https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#13-%C4%8Desto-postavljana-pitanja>\u010cesto postavljana pitanja<\/a><\/li><\/ul><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div id=\"ub_divider_a113dbe8-1dc1-41b1-bdf6-b4c8c9ed6785\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"0-%C5%A1to-je-bitcoin-\"><strong>\u0160to je Bitcoin?<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"300\" src=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc.png\" alt=\"\" class=\"wp-image-3710\" srcset=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc.png 1000w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-300x90.png 300w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-768x230.png 768w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-133x40.png 133w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-107x32.png 107w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-267x80.png 267w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/sto-je-btc-450x135.png 450w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Bitcoin (BTC) je stoga peer-to-peer digitalna valuta. Zamislite to kao digitalne tokene <strong>koje ne mo\u017eete fizi\u010dki dodirnuti ili posjedovati<\/strong>, a sve bitcoin transakcije bilje\u017ee se u javnoj, decentraliziranoj i nepromjenjivoj knjizi. Za mnoge je Bitcoin zna\u010dio revoluciju u sustavu pla\u0107anja, budu\u0107i da je njegova po\u010detna ideja shva\u0107ena kao novi (i decentralizirani) na\u010din pla\u0107anja za robu i usluge koji ne ovisi o centraliziranoj banci, vladi ili davatelju kredita. Pa, danas se vode mnoge rasprave o tome funkcionira li Bitcoin stvarno kao svakodnevni novac ili vi\u0161e kao pohrana vrijednosti\u2013 a ravnote\u017ea sve vi\u0161e naginje prema potonjem, zbog \u010dega i uz BTC \u010dujemo sintagmu digitalno zlato. Sigurni smo da se ve\u0107 sada pitate: kako kupiti Bitcoin? Sledi odgovor na ovo, ali i mnoga druga pitanja. <\/p>\n\n\n<div id=\"ub_divider_ee09cfed-8231-4f5a-bb1c-59cf14725d8d\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"1-klju%C4%8Dne-zna%C4%8Dajke-bitcoina-\"><strong>Klju\u010dne zna\u010dajke Bitcoina:<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u2705 <strong>Decentralizacija<\/strong>: Za razliku od usluga pla\u0107anja <a href=\"https:\/\/sportske-kladionice.com\/online-kladionice\/paypal\/\" target=\"_blank\" rel=\"noreferrer noopener\">kao \u0161to je PayPal<\/a>, koje se oslanjaju na tradicionalni financijski sustav i postoje\u0107e debitne\/kreditne ra\u010dune za autorizaciju prijenosa novca, Bitcoin je decentraliziran. U praksi to zna\u010di da dvije osobe bilo gdje u svijetu mogu slati bitcoin jedna drugoj bez intervencije banke, vlade ili druge institucije.<\/td><\/tr><tr><td>\u2705 <strong>Transparentne transakcije<\/strong>: Svaka transakcija s bitcoinima prati se u lancu blokova (blockchain), koji je sli\u010dan bankovnoj knjizi ili evidenciji sredstava korisnika. Jednostavno re\u010deno, to je zapis svake transakcije ikada napravljene kori\u0161tenjem bitcoina. Za razliku od bankovne knjige, Bitcoin blockchain je distribuiran kroz cijelu mre\u017eu. Time je omogu\u0107ena transparentnost transakcija, budu\u0107i da evidencija odn blok u knjizi se ne mo\u017ee mijenjati. U tom smislu, Bitcoin je tako\u0111er rije\u0161io problem dvostruke potro\u0161nje koji su mnoge prethodne digitalne valute poku\u0161ale rije\u0161iti.<\/td><\/tr><tr><td>\u2705 <strong>Ograni\u010denje ponude<\/strong>: Maksimalna ponuda Bitcoina u optjecaju postavljena je na 21 milijun. To je digitalni novac koji se ne mo\u017ee napuhati niti njime na bilo koji na\u010din manipulirati.<\/td><\/tr><tr><td>\u2705 <strong>Globalnost<\/strong>: Bitcoini se mogu lako prenositi diljem svijeta, uz ni\u017ee naknade i br\u017ee od konvencionalnih prijenosa novca.<\/td><\/tr><tr><td>\u2705 <strong>Fragmentacija<\/strong>: Ne morate kupiti sav bitcoin. Mo\u017eete kupiti samo djeli\u0107 bitcoina ako je to sve \u0161to \u017eelite ili trebate. Manje jedinice Bitcoina poznate su kao &#8220;satoshi&#8221; (do 8 decimalnih mjesta).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div id=\"ub_divider_9b099c19-8f40-4398-bc89-a19646493272\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"2-tko-je-stvorio-bitcoin-\"><strong>Tko je stvorio Bitcoin?<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"300\" src=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj.png\" alt=\"\" class=\"wp-image-3713\" srcset=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj.png 1000w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-300x90.png 300w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-768x230.png 768w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-133x40.png 133w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-107x32.png 107w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-267x80.png 267w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-stvaratelj-450x135.png 450w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Povijest Bitcoina je relativno mlada, jer \u0107e kriptovaluta <strong>ove godine proslaviti 15 godina svoje ideje<\/strong>. U kolovozu 2008. registrirana je domena Bitcoin.org, no identitet osobe koja ju je registrirala nije poznat. Osoba (ili osobe) koja je najizravnije odgovorna koristila je pseudonim Satoshi Nakamoto u listopadu 2008. kada je napisao bijelu knjigu pod naslovom &#8220;Bitcoin: elektroni\u010dki peer-to-peer monetarni sustav&#8221; . Bilo je mnogo naga\u0111anja i dosta pogre\u0161nih tvrdnji o Satoshiju, ali njegov identitet ostaje misterij &#8211; i vjerojatno s pravom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U sije\u010dnju 2009. objavljen je softver za stvaranje kriptovalute, a ubrzo nakon toga prvi blok, <strong>poznat kao Genesis block<\/strong>, &#8220;rudaren&#8221; je na mre\u017ei . Neko su vrijeme Satoshi Nakamoto i neki drugi <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/rudarenje-kriptovaluta\/\">na mre\u017ei rudarili Bitcoine<\/a>, a zatim su misteriozno nestali, predav\u0161i kontrolu programeru po imenu Gavin Andresen. Od tada do danas, Bitcoin je zauvek promenio istoriju. Smatra se da su Bitcoini najbolje kriptovalute za ulaganje. <\/p>\n\n\n<div id=\"ub_divider_3fda8637-8af4-4e5e-bffd-471d11444a34\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"3-kako-funkcionira-bitcoin-\"><strong>Kako funkcionira Bitcoin?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svaki bitcoin je kriptovaluta <strong>koja se mo\u017ee pohraniti<\/strong> na mjenja\u010dnici kriptovaluta ili u <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/novcanik\/vruci-novcanici\/\">kripto nov\u010daniku<\/a>. Za osnovno razumijevanje Bitcoina, moramo znati sljede\u0107e koncepte:<\/p>\n\n\n\n<div class=\"wp-block-group has-mercury-clouds-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li><strong>Blockchain<\/strong>: Bitcoin pokre\u0107e kod otvorenog koda poznat kao blockchain, koji stvara zajedni\u010dku javnu povijest transakcija organiziranih u blokove koji su lan\u010dano povezani.<br><\/li>\n\n\n\n<li><strong>Javni i privatni klju\u010d<\/strong>: Bitcoin nov\u010danik sadr\u017ei javni i privatni klju\u010d, koji zajedno omogu\u0107uju vlasniku pokretanje i digitalno potpisivanje transakcija. Ovo otklju\u010dava sredi\u0161nju zna\u010dajku Bitcoina &#8211; siguran prijenos vlasni\u0161tva s jednog korisnika na drugog. Javni klju\u010d mo\u017eete zamisliti kao osobnu adresu e-po\u0161te, a privatni klju\u010d kao lozinku.<br><\/li>\n\n\n\n<li><strong>Bitcoin mining<\/strong>: To je metoda dobivanja bitcoina, koju \u0107emo vam detaljnije opisati u nastavku.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<div id=\"ub_divider_c176a000-dba0-42ed-ae42-cad0cf1e2462\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"4-kako-nastaje-bitcoin-\"><strong>Kako nastaje Bitcoin?<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"300\" src=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje.png\" alt=\"\" class=\"wp-image-3715\" srcset=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje.png 1000w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-300x90.png 300w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-768x230.png 768w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-133x40.png 133w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-107x32.png 107w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-267x80.png 267w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-nastajanje-450x135.png 450w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Izraz &#8220;rudarenje&#8221; koristi se jer je proces donekle sli\u010dan rudarenju. Zamislite zlato ispod zemlje. Znamo da je tu, ali je njegova vrijednost skrivena dok je rudar ne iskopa. U svijetu bitcoina, rudar rudari bitcoine koriste\u0107i sna\u017ena ra\u010dunala u stvarnom vremenu za rje\u0161avanje kriptografskih zagonetki <strong>koje &#8220;rudare&#8221; pakete transakcijskih zapisa (&#8220;blokova&#8221;) u blockchain<\/strong>. Kako se nove transakcije potvr\u0111uju i dodaju u knjigu, mre\u017ea a\u017eurira kopiju knjige za svakog korisnika kako bi odra\u017eavala najnovije promjene. Zamislite to kao otvoreni Google dokument koji se automatski a\u017eurira kako bilo tko s pristupom ure\u0111uje njegov sadr\u017eaj.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rudari su nagra\u0111eni <strong>malom koli\u010dinom novih bitcoina za svoj trud<\/strong>, a nagrada za rudarenje prepolovljena je svake 4 godine kako bi se usporilo stvaranje novih bitcoina. Taj doga\u0111aj nazivamo prepolovljavanjem Bitcoina, <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin-halving\/\">\u0161to smo najavili ovdje<\/a>. Ako se pitate kako po\u010deti sa kriptovalutama, ovo je jedna od prvih tema koju morate pro\u010ditati. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kao \u0161to je gore spomenuto, Bitcoin mre\u017ea je programirana da mo\u017ee rudariti samo 21 milijun bitcoina &#8211; tako da \u0107e prema trenutnoj stopi svi bitcoini biti rudareni <strong>negdje do 2140<\/strong>. <strong>godine<\/strong>. Prepolovljavanje se stoga doga\u0111a svakih 210.000 blokova ili otprilike 4 godine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kada je bitcoin protokol prvi put po\u010deo \u017eivjeti 2009. godine , svaki uspje\u0161ni rudar <strong>dobio je 50 bitcoina (BTC)<\/strong> kao nagradu za blok. Zatim su slijedili:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u231b 2012. prepolovljivanje: nagrada od 25 BTC<\/td><\/tr><tr><td>\u231b 2016. prepolovljenje: nagrada od 12,5 BTC<\/td><\/tr><tr><td>\u231b Prepolovljenje 2020.: nagrada od 6,25 BTC<\/td><\/tr><tr><td>\u231b 2024 prepolovljenje: 3,125 BTC nagrada, itd.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O\u010dekuje se da \u0107e se sljede\u0107e prepolovljenje <strong>dogoditi negdje 2024. godine<\/strong>, kada \u0107e nagrade za blok ponovno pasti na 3,125 BTC. Ovaj proces \u0107e se nastaviti sve dok na kraju vi\u0161e ne bude kovanica za rudarenje.<\/p>\n\n\n<div id=\"ub_divider_7f7488cc-0adb-44be-9406-3caf5588259d\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"5-kako-postati-bitcoin-rudar-\"><strong>Kako postati Bitcoin rudar?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na po\u010detku puta Bitcoina moglo se rudariti konkurentno s ra\u010dunalom, ali ti su dani davno pro\u0161li. S njegovom popularno\u0161\u0107u, vi\u0161e se rudara pridru\u017eilo mre\u017ei, <strong>smanjuju\u0107i \u0161anse da vi budete taj koji \u0107e rije\u0161iti hash<\/strong>. Jo\u0161 uvijek mo\u017eete koristiti ra\u010dunalo kao rudar ako ima noviji hardver, ali su \u0161anse da sam rije\u0161i hash zanemarive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Natje\u010dete se s mre\u017eom rudara koji generiraju pribli\u017eno 220 kvintilijuna lozinki u sekundi. Ure\u0111aji, nazvani ASIC-ovi, napravljeni su posebno za rudarenje &#8211; <strong>mogu generirati oko 255 bilijuna lozinki u sekundi<\/strong>. Nasuprot tome, ra\u010dunalo s najnovijim hardverom generira oko 100 mega hashova u sekundi (100 milijuna).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-bitcoin-koristi-mehanizam-dokaza-rada-\"><strong>Bitcoin koristi mehanizam dokaza rada<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"300\" src=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow.png\" alt=\"\" class=\"wp-image-3716\" srcset=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow.png 1000w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-300x90.png 300w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-768x230.png 768w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-133x40.png 133w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-107x32.png 107w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-267x80.png 267w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-pow-450x135.png 450w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Ra\u010dunala u Bitcoin mre\u017ei koriste proces koji se zove<strong> proof-of-work (PoW)<\/strong> <strong>za potvrdu transakcija i za\u0161titu mre\u017ee<\/strong>. Iako je to bio prvi i op\u0107enito naj\u010de\u0161\u0107i mehanizam konsenzusa za kriptovalute, razvili su se i drugi \u2013 ponajprije proof- of-stake (PoS), koji obi\u010dno tro\u0161i manje ukupne ra\u010dunalne snage, a time i manje energije. Vi\u0161e o razlikama izme\u0111u ova dva mehanizma <a href=\"https:\/\/www.joker.gg\/hr\/sto-je-staking-kriptovaluta\/\">mo\u017eete pro\u010ditati ovdje<\/a>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proof-of-work podi\u017ee odre\u0111ene sudionike u mre\u017ei u ulogu potvr\u0111iva\u010da ili validatora \u2013 poznatijih kao rudari \u2013 tek nakon \u0161to doka\u017eu svoju predanost mre\u017ei posve\u0107uju\u0107i ogromne koli\u010dine ra\u010dunalne snage <strong>otkrivanju novih blokova<\/strong> \u2013 proces koji obi\u010dno traje oko 10 minuta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kada novi blok otkrije uspje\u0161ni rudar koji ga je prona\u0161ao u procesu rudarenja, on se popunjava s 1 megabajtom potvr\u0111enih transakcija. Taj se novi blok zatim dodaje u lanac, a sva\u010dija kopija glavne knjige a\u017eurira se kako bi odra\u017eavala nove podatke. U zamjenu za njihov trud, <strong>rudar dobiva sve naknade povezane s transakcijama koje je dodao<\/strong>, kao i koli\u010dinu novoiskopanih bitcoina. Novi bitcoin stvoren i isporu\u010den uspje\u0161nim rudarima poznat je kao nagrada za blok.<\/p>\n\n\n<div id=\"ub_divider_684fde52-2432-462d-a355-0b1af0872b53\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"7-kako-kupiti-bitcoin-\"><strong>Kako kupiti Bitcoin?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Najlak\u0161i na\u010din za kupnju bitcoina <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/mjenjacnice\/\">je putem kripto mjenja\u010dnica<\/a> kao \u0161to su <strong>Binance, Kriptomat ili Bitstamp<\/strong>. Pouzdane mjenja\u010dnice omogu\u0107uju vam jednostavnu kupnju, prodaju, slanje, primanje i pohranu bitcoina i zisera kori\u0161tenjem javnih i privatnih klju\u010deva. Dakle uvek je bitno prona\u0107i sigurne platforme za trgovinu kriptovalutama. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proces registracije i kupnje je jednostavan i ide ovako (primjer za Binance):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u2705 <strong>Izradite besplatni ra\u010dun na kripto burzi<\/strong>: putem web stranice ili mobilne aplikacije.<\/td><\/tr><tr><td>\u2705 <strong>Odaberite kako \u017eelite kupiti Bitcoin (BTC)<\/strong>: kliknite &#8220;Kupi kripto&#8221; i odaberite kupnju kreditnom\/debitnom karticom, bankovnim prijenosom ili pla\u0107anjem tre\u0107e strane.<\/td><\/tr><tr><td>\u2705<span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">&nbsp;<\/span><strong>Potvrdite svoju narud\u017ebu za kupnju<\/strong>: imate 1 minutu za to, nakon jedne minute va\u0161a narud\u017eba \u0107e se ponovno izra\u010dunati na temelju trenutne tr\u017ei\u0161ne cijene.<\/td><\/tr><tr><td>\u2705 <strong>Bitcoin (BTC) sada je pohranjen na va\u0161em ra\u010dunu<\/strong>: mo\u017eete ga ostaviti na burzi ili povu\u0107i u svoj drugi kripto nov\u010danik.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bitcoin mo\u017eete pohraniti u hladnom ili vru\u0107em nov\u010daniku:<\/p>\n\n\n\n<div class=\"wp-block-group has-mercury-clouds-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li><strong>Vru\u0107i nov\u010danik<\/strong>: \u010desto mo\u017eete pohraniti kriptovalutu na kripto mjenja\u010dnicama koje stvaraju vru\u0107i nov\u010danik pored va\u0161eg ra\u010duna . Takva rje\u0161enja omogu\u0107uju pristup putem ra\u010dunalnog preglednika, stolnog ra\u010dunala ili aplikacije za pametni telefon. To je vrlo jednostavan oblik pohranjivanja kriptovaluta, ali za maksimalnu sigurnost preporu\u010damo hladni nov\u010danik.<\/li>\n\n\n\n<li><strong>Hladni nov\u010danik<\/strong>: \u0161ifrirani fizi\u010dki prijenosni ure\u0111aj sli\u010dan USB-u koji mo\u017eete koristiti za prijenos i prijenos svojih bitcoina. Omogu\u0107uje <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/novcanik\/\">maksimalnu sigurnost pohrane kriptovalute<\/a>.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<div id=\"ub_divider_370b5d33-80a3-4a74-a452-5324543b5c0b\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"8-bitcoin-prednosti\">Bitcoin: Prednosti<\/h2>\n\n\n\n<div class=\"wp-block-group has-mercury-clouds-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li><strong>Nepovratnost transakcija<\/strong>: Bitcoin je sli\u010dan gotovini po tome \u0161to po\u0161iljatelj ne mo\u017ee poni\u0161titi transakcije. S druge strane, kreditne kartice, konvencionalni online sustavi pla\u0107anja i <a href=\"https:\/\/www.kladionica.biz\/bankarski-transfer-kao-depozitna-metoda\/\" target=\"_blank\" rel=\"noreferrer noopener\">bankovne transakcije<\/a> mogu se poni\u0161titi nakon \u0161to je pla\u0107anje izvr\u0161eno \u2013 ponekad mjesecima nakon po\u010detne transakcije \u2013 zbog centraliziranih posrednika koji obra\u0111uju transakcije. To zna\u010di ve\u0107i rizik od prijevare za trgovce, \u0161to mo\u017ee dovesti do vi\u0161ih naknada za kori\u0161tenje kreditne kartice.<\/li>\n\n\n\n<li><strong>Decentralizacija<\/strong>: Nakon financijske krize i velike recesije, mnogi su ulaga\u010di uzbu\u0111eni oko alternativne, decentralizirane valute koja je u biti oslobo\u0111ena kontrole konvencionalnih banaka, upravnih tijela ili drugih tre\u0107ih strana.<\/li>\n\n\n\n<li><strong>Sigurnost<\/strong>: U vi\u0161e od 10 godina postojanja, bitcoin mre\u017ea nikada nije bila uspje\u0161no hakirana. Budu\u0107i da je sustav bez dopu\u0161tenja i otvorenog koda, nebrojeni ra\u010dunalni znanstvenici i kriptografi uspjeli su prou\u010diti svaki aspekt mre\u017ee i njezine sigurnosti.<\/li>\n\n\n\n<li><strong>Privatnost<\/strong>: Kod transakcija bitcoinom nema bankovnih izvoda niti potrebe davanja nepotrebnih osobnih podataka trgovcu. Bitcoin transakcije ne sadr\u017ee nikakve podatke za identifikaciju osim bitcoin adresa i uklju\u010denih iznosa.<\/li>\n\n\n\n<li><strong>Globalnost<\/strong>: Jednom kada posjedujete Bitcoin, mo\u017eete vr\u0161iti prijenose bilo kada i bilo gdje, smanjuju\u0107i vrijeme i potencijalne tro\u0161kove svake transakcije.<\/li>\n\n\n\n<li><strong>Veliki potencijal ulaganja<\/strong> : Bitcoin je jo\u0161 uvijek vrlo mlada tehnologija. Mnogi ulaga\u010di, veliki i mali, klade se da \u0107e kako Bitcoin bude sazrijevao, povjerenje i ra\u0161irena upotreba rasti, a time i njegova vrijednost. Usporedbe radi, tr\u017ei\u0161na kapitalizacija zlata je 12,8 trilijuna, dok je tr\u017ei\u0161na kapitalizacija Bitcoina samo 541 milijardu.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<div id=\"ub_divider_e2cee3cd-c1a8-48ec-ba49-8a86a5068b5e\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"9-bitcoin-nedostaci\">Bitcoin: Nedostaci<\/h2>\n\n\n\n<div class=\"wp-block-group has-mercury-clouds-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ul class=\"wp-block-list\">\n<li><strong>Promjenjivost cijena<\/strong>: Iako je cijena Bitcoina zna\u010dajno vi\u0161a u usporedbi s prethodnim godinama, bogatstvo kupaca uvelike je variralo ovisno o vremenu njihova ulaganja. Na primjer, oni koji su kupili 2017. godine, kada se cijena bitcoina pribli\u017eavala 20.000 dolara, morali su \u010dekati do prosinca 2020. kako bi nadoknadili svoje gubitke. Po\u010deo je 2022. s malo iznad 47.000 USD za BTC, a zatim je pao sve do 15.000 USD, trguju\u0107i na 26.000 USD u o\u017eujku 2023. (CoinMarketCap).<\/li>\n\n\n\n<li><strong>Sigurnosna pitanja<\/strong>: Iako zagovornici tvrde da je blockchain tehnologija koja stoji iza bitcoina jo\u0161 sigurnija od tradicionalnih elektroni\u010dkih prijenosa novca, u pro\u0161losti je bilo nekoliko visokoprofilnih hakiranja. Na primjer, u svibnju 2019. godine vi\u0161e od 40 milijuna dolara u bitcoinima ukradeno je s vi\u0161e ra\u010duna velike neto vrijednosti na burzi kriptovaluta Binance. Kripto burza je potom pokrila gubitke.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<div id=\"ub_divider_5654c70e-447d-40b3-b64a-0800b2549e79\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"10-bitcoin-regulacija-\"><strong>Bitcoin: Regulacija<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"300\" src=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija.png\" alt=\"\" class=\"wp-image-3717\" srcset=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija.png 1000w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-300x90.png 300w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-768x230.png 768w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-133x40.png 133w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-107x32.png 107w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-267x80.png 267w, https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/btc-regulacija-450x135.png 450w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Kao i kod svake nove tehnologije, poku\u0161aji reguliranja Bitcoina bili su te\u0161ki i razlikuju se od zemlje do zemlje. Tu se, primjerice, isti\u010de El Salvador, gdje je Bitcoin <strong>progla\u0161en legalnim sredstvom pla\u0107anja 2021. godine<\/strong>. Ako ste zainteresirani za usvajanje kriptovalute u cijelom svijetu, pro\u010ditajte na\u0161 \u010dlanak o 10 zemalja s najve\u0107im brojem usvajanja bitcoina.<\/p>\n\n\n<div id=\"ub_divider_cc48022e-d448-4f2a-b101-a2a8705f97dd\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"11-kad-podvu%C4%8Demo-crtu-\"><strong>Kad podvu\u010demo crtu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bitcoin jest i uvijek \u0107e biti kralj kriptovaluta i jedna od glavnih prekretnica u financijskoj revoluciji. Bila je to prva kriptovaluta i namijenjena je za kori\u0161tenje <strong>kao oblik pla\u0107anja izvan zakonskog sredstva pla\u0107anja<\/strong>. Od uvo\u0111enja 2009. godine, popularnost bitcoina zna\u010dajno je porasla, a njegova se upotreba pro\u0161irila, \u0161to je dovelo do mnogih novih konkurentskih kriptovaluta (Ethereum, Cardano, <a href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/solana\/\">Solana<\/a>\u2026). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iako je proces stvaranja Bitcoina kompliciran, ulaganje u njega je jednostavnije. Ulaga\u010di i \u0161pekulanti mogu <strong>kupovati i prodavati bitcoine na kripto burzama<\/strong>. Ipak, treba biti oprezan. Ulaganje u Bitcoin ili druge kriptovalute je visoko volatilno. Ovo zna\u010di da mo\u017eete osvojiti mnogo, ali isto tako ostati praznih d\u017eepova. Ako bi ga poredili, mogli bi re\u0107i da imate sli\u010dne \u0161anse za <a href=\"https:\/\/casino-igre.com\/rulet\/\" target=\"_blank\" rel=\"noreferrer noopener\">dobitkom na ruletu<\/a>, kao i u kripto svijetu. Kao i prije svakog ulaganja, Joker vas upozorava da ne ula\u017eete vi\u0161e nego \u0161to ste spremni izgubiti. Bolje pro\u010ditajte na\u0161e vodi\u010de i nau\u010dite kako po\u010deti sa kriptovalutama. <\/p>\n\n\n<div id=\"ub_divider_5086b3ce-ee68-4730-87b7-2d8d6b4126d9\"><hr class=\"ub_divider\" ><\/hr><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-align-center\" id=\"12-podelite-na%C5%A1-sadr%C5%BEaj-na-dru%C5%A1tvenim-mre%C5%BEama\">Podelite na\u0161 sadr\u017eaj na dru\u0161tvenim mre\u017eama:<\/h3>\n\n\n<div class=\"wp-block-ub-social-share\" id=\"ub-social-share-221d68e1-0fb1-4a68-802c-304cf487b5d8\">\n\t\t<div class=\"social-share-icons align-icons-center orientation-icons-row\"><a aria-label=\"facebook-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F&#038;title=%C5%A0to%20je%20Bitcoin%3F\" class=\"ub-social-share-facebook-container\">\n\t\t<span class=\"social-share-icon ub-social-share-facebook\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#1877f2\" fill=\"#1877f2\" width=\"20\" height=\"20\" viewBox=\"0 0 264 512\"><path d=\"M76.7 512V283H0v-91h76.7v-71.7C76.7 42.4 124.3 0 193.8 0c33.3 0 61.9 2.5 70.2 3.6V85h-48.2c-37.8 0-45.1 18-45.1 44.3V192H256l-11.7 91h-73.6v229\" \/><\/svg><\/span><span>share<\/span><\/a><a aria-label=\"twitter-logo\" target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F&#038;text=%C5%A0to%20je%20Bitcoin%3F\" class=\"ub-social-share-twitter-container\">\n\t\t<span class=\"social-share-icon ub-social-share-twitter\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"color:#1d9BF0\" fill=\"#1d9BF0\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\"><path d=\"M18.901 1.153h3.68l-8.04 9.19L24 22.846h-7.406l-5.8-7.584l-6.638 7.584H.474l8.6-9.83L0 1.154h7.594l5.243 6.932ZM17.61 20.644h2.039L6.486 3.24H4.298Z\" \/><\/svg><\/span><span>tweet<\/span><\/a><a aria-label=\"linkedin-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F\" class=\"ub-social-share-linkedin-container\">\n\t\t<span class=\"social-share-icon ub-social-share-linkedin\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#2867b2\" fill=\"#2867b2\" width=\"20\" height=\"20\" viewBox=\"0 0 448 512\"><path d=\"M100.3 480H7.4V180.9h92.9V480zM53.8 140.1C24.1 140.1 0 115.5 0 85.8 0 56.1 24.1 32 53.8 32c29.7 0 53.8 24.1 53.8 53.8 0 29.7-24.1 54.3-53.8 54.3zM448 480h-92.7V334.4c0-34.7-.7-79.2-48.3-79.2-48.3 0-55.7 37.7-55.7 76.7V480h-92.8V180.9h89.1v40.8h1.3c12.4-23.5 42.7-48.3 87.9-48.3 94 0 111.3 61.9 111.3 142.3V480z\" \/><\/svg><\/span><span>share<\/span><\/a><a aria-label=\"pinterest-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/pinterest.com\/pin\/create\/button\/?&#038;url=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F&#038;description=%C5%A0to%20je%20Bitcoin%3F&#038;media=https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/88222.jpg\" class=\"ub-social-share-pinterest-container\">\n\t\t<span class=\"social-share-icon ub-social-share-pinterest\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#e60023\" fill=\"#e60023\" width=\"20\" height=\"20\" viewBox=\"0 0 384 512\"><path d=\"M204 6.5C101.4 6.5 0 74.9 0 185.6 0 256 39.6 296 63.6 296c9.9 0 15.6-27.6 15.6-35.4 0-9.3-23.7-29.1-23.7-67.8 0-80.4 61.2-137.4 140.4-137.4 68.1 0 118.5 38.7 118.5 109.8 0 53.1-21.3 152.7-90.3 152.7-24.9 0-46.2-18-46.2-43.8 0-37.8 26.4-74.4 26.4-113.4 0-66.2-93.9-54.2-93.9 25.8 0 16.8 2.1 35.4 9.6 50.7-13.8 59.4-42 147.9-42 209.1 0 18.9 2.7 37.5 4.5 56.4 3.4 3.8 1.7 3.4 6.9 1.5 50.4-69 48.6-82.5 71.4-172.8 12.3 23.4 44.1 36 69.3 36 106.2 0 153.9-103.5 153.9-196.8C384 71.3 298.2 6.5 204 6.5z\" \/><\/svg><\/span><span>pin<\/span><\/a><a aria-label=\"reddit-logo\" target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/www.reddit.com\/submit?url=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F&#038;title=%C5%A0to%20je%20Bitcoin%3F\" class=\"ub-social-share-reddit-container\">\n\t\t<span class=\"social-share-icon ub-social-share-reddit\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#ff4500\" fill=\"#ff4500\" width=\"20\" height=\"20\" viewBox=\"0 0 512 512\"><path d=\"M440.3 203.5c-15 0-28.2 6.2-37.9 15.9-35.7-24.7-83.8-40.6-137.1-42.3L293 52.3l88.2 19.8c0 21.6 17.6 39.2 39.2 39.2 22 0 39.7-18.1 39.7-39.7s-17.6-39.7-39.7-39.7c-15.4 0-28.7 9.3-35.3 22l-97.4-21.6c-4.9-1.3-9.7 2.2-11 7.1L246.3 177c-52.9 2.2-100.5 18.1-136.3 42.8-9.7-10.1-23.4-16.3-38.4-16.3-55.6 0-73.8 74.6-22.9 100.1-1.8 7.9-2.6 16.3-2.6 24.7 0 83.8 94.4 151.7 210.3 151.7 116.4 0 210.8-67.9 210.8-151.7 0-8.4-.9-17.2-3.1-25.1 49.9-25.6 31.5-99.7-23.8-99.7zM129.4 308.9c0-22 17.6-39.7 39.7-39.7 21.6 0 39.2 17.6 39.2 39.7 0 21.6-17.6 39.2-39.2 39.2-22 .1-39.7-17.6-39.7-39.2zm214.3 93.5c-36.4 36.4-139.1 36.4-175.5 0-4-3.5-4-9.7 0-13.7 3.5-3.5 9.7-3.5 13.2 0 27.8 28.5 120 29 149 0 3.5-3.5 9.7-3.5 13.2 0 4.1 4 4.1 10.2.1 13.7zm-.8-54.2c-21.6 0-39.2-17.6-39.2-39.2 0-22 17.6-39.7 39.2-39.7 22 0 39.7 17.6 39.7 39.7-.1 21.5-17.7 39.2-39.7 39.2z\" \/><\/svg><\/span><span>post<\/span><\/a><a aria-label=\"tumblr-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.tumblr.com\/widgets\/share\/tool?canonicalUrl=https%3A%2F%2Fwww.joker.gg%2Fhr%2Fkriptovalute%2Fbitcoin%2F&#038;title=%C5%A0to%20je%20Bitcoin%3F\" class=\"ub-social-share-tumblr-container\">\n\t\t<span class=\"social-share-icon ub-social-share-tumblr\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#001935\" fill=\"#001935\" width=\"20\" height=\"20\" viewBox=\"0 0 320 512\"><path d=\"M309.8 480.3c-13.6 14.5-50 31.7-97.4 31.7-120.8 0-147-88.8-147-140.6v-144H17.9c-5.5 0-10-4.5-10-10v-68c0-7.2 4.5-13.6 11.3-16 62-21.8 81.5-76 84.3-117.1.8-11 6.5-16.3 16.1-16.3h70.9c5.5 0 10 4.5 10 10v115.2h83c5.5 0 10 4.4 10 9.9v81.7c0 5.5-4.5 10-10 10h-83.4V360c0 34.2 23.7 53.6 68 35.8 4.8-1.9 9-3.2 12.7-2.2 3.5.9 5.8 3.4 7.4 7.9l22 64.3c1.8 5 3.3 10.6-.4 14.5z\" \/><\/svg><\/span><span>share<\/span><\/a><\/div>\n\t<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"13-%C4%8Desto-postavljana-pitanja\">\u010cesto postavljana pitanja<\/h2>\n\n\n<div class=\"wp-block-ub-content-toggle\" id=\"ub-content-toggle-ceda810e-28bc-4192-b5af-834fa6094cb2\" data-mobilecollapse=\"true\" data-desktopcollapse=\"true\">\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\"\" aria-controls=\"ub-content-toggle-panel-0-ceda810e-28bc-4192-b5af-834fa6094cb2\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ceda810e-28bc-4192-b5af-834fa6094cb2\"><strong>Odakle dolazi vrijednost Bitcoina?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-0-ceda810e-28bc-4192-b5af-834fa6094cb2\">\n\n<p class=\"wp-block-paragraph\">U osnovi isto \u0161to i tradicionalna valuta \u2013 jer se pokazala kao u\u010dinkovit i prikladan na\u010din za pohranu vrijednosti, \u0161to zna\u010di da se mo\u017ee lako zamijeniti za robu, usluge ili drugu imovinu. Dakle, recept za cijenu Bitcoin valute dolazi i ponude i potra\u017enje. <\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\"\" aria-controls=\"ub-content-toggle-panel-1-ceda810e-28bc-4192-b5af-834fa6094cb2\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ceda810e-28bc-4192-b5af-834fa6094cb2\"><strong>Je li Bitcoin dobra investicija u 2025. godini?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-1-ceda810e-28bc-4192-b5af-834fa6094cb2\">\n\n<p class=\"wp-block-paragraph\">Bitcoin ima kratku i nestabilnu povijest ulaganja i postao je jedno od najpopularnijih ulaganja. Usporedbe radi: 2009. godine cijena bitcoina iznosila je 0,09 dolara, 2013. ve\u0107 1238 dolara, a na vrhuncu 2021. godine 68 991 dolar.<\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\"\" aria-controls=\"ub-content-toggle-panel-2-ceda810e-28bc-4192-b5af-834fa6094cb2\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ceda810e-28bc-4192-b5af-834fa6094cb2\"><strong>Koliko bitcoina tek treba biti stvoreno?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-2-ceda810e-28bc-4192-b5af-834fa6094cb2\">\n\n<p class=\"wp-block-paragraph\">Ukupan broj bitcoina koji postoje na dan 22. o\u017eujka 2023. je 19.324.000, \u0161to zna\u010di da ih je ostalo jo\u0161 10% za rudarenje. Naravno, poslednji Bitcoin \u0107e biti izrudaren za nekih 100 godina, \u0161to jo\u0161 daje prostora novim ulaga\u010dima da po\u010dnu da kupuju isti. <\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\"\" aria-controls=\"ub-content-toggle-panel-3-ceda810e-28bc-4192-b5af-834fa6094cb2\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ceda810e-28bc-4192-b5af-834fa6094cb2\"><strong>Kako mogu kupiti Bitcoin?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-3-ceda810e-28bc-4192-b5af-834fa6094cb2\">\n\n<p class=\"wp-block-paragraph\">Najlak\u0161i na\u010din za kupnju Bitcoina je na etabliranoj kripto burzi kao \u0161to su Binance, Kriptomat ili Bitstamp. Svakako na\u0161a preporuka ide ka tome i nikada nemojte da kupujete od osoba ili institucija koje nisu provjerene, po\u0161to postoji veliki broj prevaranata. <\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\"\" aria-controls=\"ub-content-toggle-panel-4-ceda810e-28bc-4192-b5af-834fa6094cb2\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ceda810e-28bc-4192-b5af-834fa6094cb2\"><strong>Da li je rudarenje Bitcoin profitabilno?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-4-ceda810e-28bc-4192-b5af-834fa6094cb2\">\n\n<p class=\"wp-block-paragraph\">Da ste nas ovo pitali prije nekih 15 godina, odgovor bi sasvim sigurno bio potvrdan. Danas na\u017ealost tro\u0161kovi rudarenja su oti\u0161li nebu pod oblake i vrlo je te\u0161ko odrediti da li ima profita u njemu. Postoje velike skupine rudara koji zajedni\u010dkim snagama rudare i pojedinac danas nema nikakve \u0161anse. <\/p>\n\n<\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Prva i najpopularnija kriptovaluta nastala je 2009. godine i zove se Bitcoin. To je privla\u010dno jednostavan koncept koji temeljito protresa postoje\u0107i financijski sustav: Bitcoin je digitalni novac koji omogu\u0107uje sigurne peer-to-peer transakcije na internetu. U ovom vodi\u010du \u0107emo vam re\u0107i sve \u0161to biste trebali znati o Bitcoinu. Bitcoin je prva uspje\u0161na decentralizirana kriptovaluta koju je [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3714,"parent":616,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","footnotes":""},"class_list":["post-1034","page","type-page","status-publish","has-post-thumbnail","hentry"],"featured_image_src":"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/88222.jpg","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025<\/title>\n<meta name=\"description\" content=\"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025\" \/>\n<meta property=\"og:description\" content=\"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/\" \/>\n<meta property=\"og:site_name\" content=\"Joker.gg\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-01T12:55:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/88222.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data1\" content=\"14 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/\",\"url\":\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/\",\"name\":\"\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025\",\"isPartOf\":{\"@id\":\"https:\/\/www.joker.gg\/hr\/#website\"},\"datePublished\":\"2023-04-03T11:12:03+00:00\",\"dateModified\":\"2025-04-01T12:55:16+00:00\",\"description\":\"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#breadcrumb\"},\"inLanguage\":\"hr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Po\u010detna stranica\",\"item\":\"https:\/\/www.joker.gg\/hr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kriptovalute\",\"item\":\"https:\/\/www.joker.gg\/hr\/kriptovalute\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u0160to je Bitcoin?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.joker.gg\/hr\/#website\",\"url\":\"https:\/\/www.joker.gg\/hr\/\",\"name\":\"Joker.gg Hrvatska\",\"description\":\"Kriptovalute, NFT, ChatGPT, Gaming vijesti i vodi\u010di\",\"publisher\":{\"@id\":\"https:\/\/www.joker.gg\/hr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.joker.gg\/hr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"hr\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.joker.gg\/hr\/#organization\",\"name\":\"Joker.gg Hrvatska\",\"url\":\"https:\/\/www.joker.gg\/hr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hr\",\"@id\":\"https:\/\/www.joker.gg\/hr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2023\/04\/cropped-cropped-joker-gg-logo-v3-1-e1681989638825.png\",\"contentUrl\":\"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2023\/04\/cropped-cropped-joker-gg-logo-v3-1-e1681989638825.png\",\"width\":173,\"height\":25,\"caption\":\"Joker.gg Hrvatska\"},\"image\":{\"@id\":\"https:\/\/www.joker.gg\/hr\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025","description":"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/","og_locale":"hr_HR","og_type":"article","og_title":"\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025","og_description":"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.","og_url":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/","og_site_name":"Joker.gg","article_modified_time":"2025-04-01T12:55:16+00:00","og_image":[{"width":1000,"height":600,"url":"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2025\/04\/88222.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Procijenjeno vrijeme \u010ditanja":"14 minuta"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/","url":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/","name":"\u0160to je Bitcoin (BTC) i kako funckioni\u0161e? Kako kupiti BTC u 2025","isPartOf":{"@id":"https:\/\/www.joker.gg\/hr\/#website"},"datePublished":"2023-04-03T11:12:03+00:00","dateModified":"2025-04-01T12:55:16+00:00","description":"Bitcoin je digitalni novac koji omogu\u0107uje sigurne p2p transakcije na internetu. Ovdje je sve \u0161to biste trebali znati o Bitcoinu.","breadcrumb":{"@id":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#breadcrumb"},"inLanguage":"hr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.joker.gg\/hr\/kriptovalute\/bitcoin\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Po\u010detna stranica","item":"https:\/\/www.joker.gg\/hr\/"},{"@type":"ListItem","position":2,"name":"Kriptovalute","item":"https:\/\/www.joker.gg\/hr\/kriptovalute\/"},{"@type":"ListItem","position":3,"name":"\u0160to je Bitcoin?"}]},{"@type":"WebSite","@id":"https:\/\/www.joker.gg\/hr\/#website","url":"https:\/\/www.joker.gg\/hr\/","name":"Joker.gg Hrvatska","description":"Kriptovalute, NFT, ChatGPT, Gaming vijesti i vodi\u010di","publisher":{"@id":"https:\/\/www.joker.gg\/hr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.joker.gg\/hr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"hr"},{"@type":"Organization","@id":"https:\/\/www.joker.gg\/hr\/#organization","name":"Joker.gg Hrvatska","url":"https:\/\/www.joker.gg\/hr\/","logo":{"@type":"ImageObject","inLanguage":"hr","@id":"https:\/\/www.joker.gg\/hr\/#\/schema\/logo\/image\/","url":"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2023\/04\/cropped-cropped-joker-gg-logo-v3-1-e1681989638825.png","contentUrl":"https:\/\/www.joker.gg\/hr\/wp-content\/uploads\/2023\/04\/cropped-cropped-joker-gg-logo-v3-1-e1681989638825.png","width":173,"height":25,"caption":"Joker.gg Hrvatska"},"image":{"@id":"https:\/\/www.joker.gg\/hr\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/pages\/1034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/comments?post=1034"}],"version-history":[{"count":14,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/pages\/1034\/revisions"}],"predecessor-version":[{"id":3733,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/pages\/1034\/revisions\/3733"}],"up":[{"embeddable":true,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/pages\/616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/media\/3714"}],"wp:attachment":[{"href":"https:\/\/www.joker.gg\/hr\/wp-json\/wp\/v2\/media?parent=1034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}