{"id":939,"date":"2023-12-14T10:29:04","date_gmt":"2023-12-14T10:29:04","guid":{"rendered":"https:\/\/xn--kriptovalutkvilga-hpbe.com\/?p=939"},"modified":"2023-09-14T10:30:56","modified_gmt":"2023-09-14T10:30:56","slug":"blokklanc-a-jovo-technologiaja","status":"publish","type":"post","link":"https:\/\/xn--kriptovalutkvilga-hpbe.com\/?p=939","title":{"rendered":"Blokkl\u00e1nc \u2013 a j\u00f6v\u0151 technol\u00f3gi\u00e1ja"},"content":{"rendered":"\n<p>A blokkl\u00e1ncot az internet \u00f3ta a legforradalmibb technol\u00f3giai innov\u00e1ci\u00f3nak tartj\u00e1k. A legt\u00f6bben azonban a blokkl\u00e1ncot csak a Bitcoin m\u00f6g\u00f6tt \u00e1ll\u00f3 technol\u00f3gi\u00e1val hozz\u00e1k \u00f6sszef\u00fcgg\u00e9sbe, hiszen a Bitcoin l\u00e9trehoz\u00e1sa sor\u00e1n haszn\u00e1lt\u00e1k el\u0151sz\u00f6r nagyobb l\u00e9pt\u00e9kben a blokkl\u00e1ncot. <strong>De mi is val\u00f3j\u00e1ban a blokkl\u00e1nc-technol\u00f3gia?<\/strong> Hogyan j\u00f6tt l\u00e9tre, \u00e9s mi lesz a j\u00f6v\u0151je?<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">A technol\u00f3gia sz\u00fclet\u00e9se<\/h2>\n\n\n\n<p>A blokkl\u00e1ncot egy Satoshi Nakamoto \u00e1ln\u00e9ven dolgoz\u00f3 szem\u00e9ly \u2013 vagy szem\u00e9lyek egy csoportja \u2013 hozta l\u00e9tre. A blokkl\u00e1nc l\u00e9trehoz\u00e1sa szorosan kapcsol\u00f3dik a Bitcoin l\u00e9trehoz\u00e1s\u00e1hoz, amelyet Satoshi 2009-ben vezetett be a piacra. Ez azonban nem jelenti azt, hogy Satoshi \u2013 b\u00e1rki is volt az \u2013 egyed\u00fcl hozta l\u00e9tre a blokkl\u00e1ncot \u00e9s a Bitcoint k\u00f6r\u00fclvev\u0151 eg\u00e9sz technol\u00f3gi\u00e1t. Stuart Haber \u00e9s W. Scott Stornetta informatikusok m\u00e1r \u00e9vekkel a Bitcoin megalkot\u00e1sa el\u0151tt kutattak egy k\u00f3dolt blokkl\u00e1ncot, de \u00f6tlet\u00fcket nem val\u00f3s\u00edtott\u00e1k meg, megmaradtak az elm\u00e9letn\u00e9l.<\/p>\n\n\n\n<p>A Bitcoin ny\u00edlt forr\u00e1sk\u00f3d\u00fa szoftverk\u00e9nt j\u00f6tt l\u00e9tre, ami lehet\u0151v\u00e9 tette, hogy mindenki, akit \u00e9rdekelt kriptovaluta l\u00e9trehoz\u00e1s\u00e1ban, l\u00e9trehozhassa saj\u00e1tj\u00e1t a k\u00f3d felhaszn\u00e1l\u00e1s\u00e1val. Ez gyorsan elvezetett az \u00fagynevezett \u201ealtcoinok\u201d, vagyis olyan kriptovalut\u00e1k l\u00e9trej\u00f6tt\u00e9hez, amelyek megpr\u00f3b\u00e1lt\u00e1k helyettes\u00edteni vagy tov\u00e1bbfejleszteni a Bitcoin l\u00e9trehoz\u00e1sa sor\u00e1n felhaszn\u00e1lt \u00f6tleteket. Ennek eredm\u00e9nyek\u00e9pp jelenleg k\u00f6r\u00fclbel\u00fcl 2500 kriptovaluta l\u00e9tezik, amelyek t\u00f6bbs\u00e9ge a blokkl\u00e1nc technol\u00f3gi\u00e1t haszn\u00e1lja.<\/p>\n\n\n\n<p>Amikor a Bitcoin sikeresnek bizonyult befektet\u00e9si eszk\u00f6zk\u00e9nt, a programoz\u00f3k elkezdt\u00e9k megl\u00e1tni a blokkl\u00e1ncokban rejl\u0151 potenci\u00e1lt. <strong>Elkezdt\u00e9k kutatni a blokkl\u00e1nc kriptovalut\u00e1kon k\u00edv\u00fcli felhaszn\u00e1l\u00e1s\u00e1t<\/strong>. A Bitcoin korai \u00e9veiben ezt a technol\u00f3gi\u00e1t elv\u00e1laszthatatlannak tekintett\u00e9k a Bitcoint\u00f3l, mik\u00f6zben az egyszer\u0171en egy a blokkl\u00e1nc felhaszn\u00e1l\u00e1s\u00e1val \u00e9p\u00edtett alkalmaz\u00e1s volt.<\/p>\n\n\n\n<p>Sz\u00f3val mi is az a blokkl\u00e1nc? <strong>Ez egy decentraliz\u00e1lt, elosztott f\u0151k\u00f6nyv, amelyet a tranzakci\u00f3k k\u00fcls\u0151 enged\u00e9ly n\u00e9lk\u00fcli regisztr\u00e1l\u00e1s\u00e1ra terveztek.<\/strong> Ennek k\u00f6sz\u00f6nhet\u0151en ez a mechanizmus hasznosnak bizonyul minden olyan valutacser\u00e9ben, amely nagyobb \u00e1tl\u00e1that\u00f3s\u00e1got, gyorsas\u00e1got \u00e9s decentraliz\u00e1ci\u00f3t ig\u00e9nyel.<\/p>\n\n\n\n<p>A blokkl\u00e1ncban rejl\u0151 lehet\u0151s\u00e9gek felfedez\u00e9se sz\u00e1mos vizsg\u00e1lat \u00e9s befektet\u00e9s t\u00e1rgy\u00e1v\u00e1 tette, \u00e9s 2014 k\u00f6r\u00fcl elkezdt\u00e9k m\u00f3dos\u00edtani a k\u00f3dj\u00e1t, hogy azt az eg\u00e9szs\u00e9g\u00fcgyben, a biztos\u00edt\u00e1sban, az ell\u00e1t\u00e1si l\u00e1ncokban vagy a v\u00e1laszt\u00e1sokban is haszn\u00e1lni lehessen. <strong>2017-ben a blokkl\u00e1ncot valamilyen form\u00e1ban m\u00e1r a bankok 15%-a haszn\u00e1lta.<\/strong><\/p>\n\n\n\n<p>A blokkl\u00e1nc l\u00e9trehoz\u00e1sa \u00f3ta t\u00f6bb v\u00e1ltoz\u00e1son, fejleszt\u00e9sen \u00e9s \u00faj feladatokhoz t\u00f6rt\u00e9n\u0151 adapt\u00e1l\u00e1son ment kereszt\u00fcl. 2013-ban egy Vitalik Buterin nev\u0171 programoz\u00f3 l\u00e9trehozta az Ethereumot &#8211; egy kriptovalut\u00e1t, amely piaci t\u0151k\u00e9s\u00edtetts\u00e9g tekintet\u00e9ben jelenleg a m\u00e1sodik helyre l\u00e9pett el\u0151re. Vitalik azt szerette volna, hogy az Ethereumot decentraliz\u00e1lt blokkl\u00e1nc-alkalmaz\u00e1sok fejleszt\u00e9s\u00e9nek eszk\u00f6zek\u00e9nt haszn\u00e1lj\u00e1k. Ez\u00e9rt beleprogramozott egy \u201eintelligens szerz\u0151d\u00e9s\u201d n\u00e9ven ismert funkci\u00f3t, amely lehet\u0151v\u00e9 tette eszk\u00f6z\u00f6k k\u00f6zvetlen cser\u00e9j\u00e9t, br\u00f3ker k\u00f6zrem\u0171k\u00f6d\u00e9se n\u00e9lk\u00fcl. Kor\u00e1bban csak kriptovaluta-\u00e9rm\u00e9ket lehetett cser\u00e9lni, de az Ethereum intelligens szerz\u0151d\u00e9seinek haszn\u00e1lat\u00e1val ma m\u00e1r m\u00e1s eszk\u00f6z\u00f6k is cser\u00e9lhet\u0151k, p\u00e9ld\u00e1ul k\u00f6tv\u00e9nyek, k\u00f6lcs\u00f6n\u00f6k, term\u00e9kek vagy szolg\u00e1ltat\u00e1sok. Az \u201eintelligens szerz\u0151d\u00e9sek\u201d a csere sor\u00e1n let\u00e9tben tartj\u00e1k az eszk\u00f6z\u00f6ket, am\u00edg bizonyos felt\u00e9telek nem teljes\u00fclnek.<\/p>\n\n\n\n<p>Jelenleg a blokkl\u00e1ncok legf\u0151bb h\u00e1tr\u00e1nya, amely f\u00e9kezi a fejl\u0151d\u00e9s\u00fcket, a sk\u00e1l\u00e1zhat\u00f3s\u00e1g. Az \u00e1tviteli sebess\u00e9g a l\u00e1ncban l\u00e9v\u0151 \u00f6sszes sz\u00e1m\u00edt\u00f3g\u00e9p adatfeldolgoz\u00e1si sebess\u00e9g\u00e9t\u0151l f\u00fcgg, \u00e9s mivel a l\u00e1ncnak az \u00f6sszes tranzakci\u00f3t egyszerre kell feldolgoznia, ez a sebess\u00e9g alacsony lehet. Ez\u00e9rt egy Bitcoin-tranzakci\u00f3 meger\u0151s\u00edt\u00e9se az azonnali adat\u00e1tvitel ellen\u00e9re \u00f3r\u00e1kig is eltarthat. M\u00e1s kriptovalut\u00e1knak siker\u00fclt megold\u00e1st tal\u00e1lniuk erre a probl\u00e9m\u00e1ra, de az m\u00e9g mindig nem teljesen megoldott.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Modern blokkl\u00e1nc<\/h2>\n\n\n\n<p>Hogyan m\u0171k\u00f6dik a blokkl\u00e1nc technol\u00f3gia? \u00c1ltal\u00e1noss\u00e1gban <strong>a blokkl\u00e1nc megv\u00e1ltoztathatatlan, id\u0151b\u00e9lyegz\u0151vel jel\u00f6lt adatrekordok sorozata, amelyeket nem egyetlen szervezet tulajdon\u00e1ban \u00e1ll\u00f3 sz\u00e1m\u00edt\u00f3g\u00e9pek egy csoportja kezel.<\/strong> Minden egyes ilyen adatszegmenst (blokk) a kriptogr\u00e1fia szab\u00e1lyai szerint titkos\u00edtanak, \u00e9s \u00f6sszek\u00f6tnek a k\u00f6vetkez\u0151vel (a l\u00e1nccal).<\/p>\n\n\n\n<p>A blokkl\u00e1nc-h\u00e1l\u00f3zatnak nincs k\u00f6zponti szerve, \u00e9s a forr\u00e1sk\u00f3dja ny\u00edlt. Ez\u00e9rt a blokkokban szerepl\u0151 inform\u00e1ci\u00f3k mindenki sz\u00e1m\u00e1ra el\u00e9rhet\u0151ek. A blokkl\u00e1nc haszn\u00e1lat\u00e1nak nincs tranzakci\u00f3s k\u00f6lts\u00e9ge \u2013 csak a strukt\u00fara k\u00f6lts\u00e9ge. \u00d6sszefoglalva, a blokkl\u00e1nc egy egyszer\u0171 m\u00f3d egy inform\u00e1ci\u00f3 A-b\u00f3l B-be t\u00f6rt\u00e9n\u0151 eljuttat\u00e1s\u00e1nak, teljesen automatiz\u00e1lt \u00e9s biztons\u00e1gos m\u00f3don.<\/p>\n\n\n\n<p>A tranzakci\u00f3 sor\u00e1n az egyik f\u00e9l egy blokk l\u00e9trehoz\u00e1s\u00e1val kezdem\u00e9nyezi a folyamatot. Ezt a blokkot ezut\u00e1n a h\u00e1l\u00f3zat t\u00f6bb ezer sz\u00e1m\u00edt\u00f3g\u00e9pe ellen\u0151rzi. Az ellen\u0151rz\u00f6tt blokk hozz\u00e1ad\u00f3dik az interneten t\u00e1rolt l\u00e1nchoz, \u00edgy nemcsak egy egyedi rekordot hoz l\u00e9tre, hanem a h\u00e1l\u00f3zat minden egyes sz\u00e1m\u00edt\u00f3g\u00e9pe \u00e1ltal enged\u00e9lyezett rekordot is. <strong>Egy rekord meghamis\u00edt\u00e1s\u00e1hoz a teljes l\u00e1ncot minden el\u00e9rhet\u0151 p\u00e9ld\u00e1nyban m\u00f3dos\u00edtani kellene, ami lehetetlennek tekinthet\u0151. <\/strong>Mint m\u00e1r eml\u00edtett\u00fck, ezt az elj\u00e1r\u00e1st els\u0151sorban kriptovaluta-tranzakci\u00f3khoz haszn\u00e1lj\u00e1k, de nincsenek korl\u00e1toz\u00e1sok arra vonatkoz\u00f3an, hogy milyen adatokat lehet, vagy nem lehet \u00edgy tov\u00e1bb\u00edtani.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Blokkok l\u00e1ncolata \u2013 az univerz\u00e1lis megold\u00e1s<\/h2>\n\n\n\n<p>A blokkl\u00e1ncot egy peer-to-peer (egyenrang\u00fa) h\u00e1l\u00f3zat, egym\u00e1ssal \u00f6sszekapcsolt csom\u00f3pontok csoportja kezeli. A csom\u00f3pontok az egyes sz\u00e1m\u00edt\u00f3g\u00e9pek, amelyek bemeneti adatokat vesznek fel, azokat sz\u00e1m\u00edt\u00e1sokhoz haszn\u00e1lj\u00e1k fel, majd kimeneti adatokat gener\u00e1lnak. A peer-to-peer h\u00e1l\u00f3zat olyan t\u00edpus\u00fa kapcsolatokat jelent, amelyek egyenletesen osztj\u00e1k el a terhel\u00e9st a h\u00e1l\u00f3zat \u00f6sszes felhaszn\u00e1l\u00f3ja k\u00f6z\u00f6tt. A peer-to-peer h\u00e1l\u00f3zatban nincs k\u00f6zponti szerver \u2013 az el van osztva \u00e9s sok m\u00e1solatban l\u00e9tezik.<\/p>\n\n\n\n<p>Ugyanezt a szint\u00e9n csom\u00f3pontokat (blokkokat) \u00e9s a k\u00f6zt\u00fck l\u00e9v\u0151 kapcsolatokat haszn\u00e1l\u00f3 technol\u00f3gi\u00e1t sokf\u00e9lek\u00e9ppen haszn\u00e1lj\u00e1k, a blokkl\u00e1ncon k\u00edv\u00fcl is.<strong> A peer-to-peer h\u00e1l\u00f3zat egyik f\u0151 felhaszn\u00e1l\u00e1si ter\u00fclete a f\u00e1jlmegoszt\u00e1s, m\u00e1s n\u00e9ven torrentez\u00e9s<\/strong>, amely az adatokat kis csomagokra osztja fel, amelyeket sz\u00e9tosztanak a felhaszn\u00e1l\u00f3k k\u00f6z\u00f6tt. Az eloszt\u00e1s miatt a torrentez\u00e9s kev\u00e9sb\u00e9 \u00e9rz\u00e9keny a cenz\u00far\u00e1ra, mint a hagyom\u00e1nyos megold\u00e1sok.<\/p>\n\n\n\n<p><strong>A kriptovalut\u00e1k peer-to-peer h\u00e1l\u00f3zati strukt\u00far\u00e1ja a konszenzus-mechanizmus szerint \u00e9p\u00fcl fel, ami az adatok konzisztenci\u00e1j\u00e1nak sok csom\u00f3pontb\u00f3l t\u00f6rt\u00e9n\u0151 meger\u0151s\u00edt\u00e9s\u00e9t jelenti.<\/strong> Az olyan kriptovalut\u00e1k eset\u00e9ben, mint a Bitcoin \u00e9s az Ethereum, amelyek a r\u00e9gi konszenzus-mechanizmusokat haszn\u00e1lt\u00e1k a tranzakci\u00f3k meger\u0151s\u00edt\u00e9s\u00e9re (v\u00e9g\u00fcl az Ethereum \u00e1tt\u00e9rt a \u201eProof of Stake\u201d modell haszn\u00e1lat\u00e1ra), minden csom\u00f3pont azonos priorit\u00e1ssal rendelkezett. A csom\u00f3pontoknak nincs k\u00fcl\u00f6n\u00f6sebb szerep\u00fck, de a funkci\u00f3ik \u00e9s a folyamatban t\u00f6rt\u00e9n\u0151 r\u00e9szv\u00e9tel\u00fck m\u00e9rt\u00e9ke elt\u00e9r\u0151 lehet.<\/p>\n\n\n\n<p>De hogyan ker\u00fclnek ellen\u0151rz\u00e9sre a tranzakci\u00f3k, ha nincs k\u00f6zponti rendszer? A h\u00e1l\u00f3zat a \u201epletyka-protokoll\u201d szerint m\u0171k\u00f6dik. Az \u00fczenetet el\u0151sz\u00f6r a legk\u00f6zelebbi csom\u00f3pontok kapj\u00e1k meg, majd a szomsz\u00e9dos csom\u00f3pontok, am\u00edg az adat v\u00e9gig nem terjed az eg\u00e9sz h\u00e1l\u00f3zaton.<\/p>\n\n\n\n<p>Ennek a rendszernek a lass\u00fas\u00e1ga miatt sok \u00faj kriptovaluta a vezet\u0151k\u00f6n alapul\u00f3 konszenzus-mechanizmust v\u00e1lasztotta. A csom\u00f3pontok \u201eszupercsom\u00f3pontokat&#8221; v\u00e1lasztanak, amelyek a konszenzus\u00e9rt \u00e9s a h\u00e1l\u00f3zat \u00e1ltal\u00e1nos \u00e1llapot\u00e1\u00e9rt felel\u0151sek. \u00cdgy az adat\u00e1tvitel gyorsabb, de a h\u00e1l\u00f3zat m\u00e1r nem teljesen decentraliz\u00e1lt. Ebben az \u00e9rtelemben a h\u00e1l\u00f3zati modell v\u00e1laszt\u00e1sa a sebess\u00e9g \u00e9s a decentraliz\u00e1ci\u00f3 k\u00f6z\u00f6tti kompromisszumot jelenti.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A j\u00f6v\u0151 lehellete \u2013 blokkl\u00e1nc a gyakorlatban<\/h2>\n\n\n\n<p>Mire lesz haszn\u00e1lhat\u00f3 a blokkl\u00e1nc a j\u00f6v\u0151ben? N\u00e9h\u00e1ny konkr\u00e9t p\u00e9lda.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Okos szerz\u0151d\u00e9sek.<\/strong> Az elosztott f\u0151k\u00f6nyvek lehet\u0151v\u00e9 teszik olyan egyszer\u0171 szerz\u0151d\u00e9sek programoz\u00e1s\u00e1t, amelyek bizonyos felt\u00e9telek teljes\u00fcl\u00e9se eset\u00e9n teljes\u00fclnek. P\u00e9ld\u00e1ul az Ethereum egy ny\u00edlt forr\u00e1sk\u00f3don alapul\u00f3 blokkl\u00e1nc-projekt, amelyet kifejezetten ennek a lehet\u0151s\u00e9gnek a kihaszn\u00e1l\u00e1s\u00e1ra \u00e9p\u00edtettek. A jelenlegi technol\u00f3giai szinten egyszer\u0171 funkci\u00f3k teljes\u00edt\u00e9s\u00e9re lehet szerz\u0151d\u00e9seket k\u00f3dolni. P\u00e9ld\u00e1ul egy sz\u00e1rmaz\u00e9kos \u00fcgyletet ki lehet k\u00f6tni, ha egy p\u00e9nz\u00fcgyi eszk\u00f6z el\u00e9r egy meghat\u00e1rozott referencia\u00e9rt\u00e9ket, a blokkl\u00e1nc technol\u00f3gi\u00e1t \u00e9s a Bitcoint haszn\u00e1lva a kifizet\u00e9s automatiz\u00e1l\u00e1s\u00e1ra.<\/li>\n\n\n\n<li><strong>V\u00e1laszt\u00e1sok, felm\u00e9r\u00e9sek \u00e9s tesztek.<\/strong> Az input \u00e1tl\u00e1that\u00f3s\u00e1g\u00e1nak, a nyilv\u00e1nos hozz\u00e1f\u00e9r\u00e9snek \u00e9s a hamis\u00edt\u00e1s lehetetlens\u00e9g\u00e9nek k\u00f6sz\u00f6nhet\u0151en a rendszer k\u00e9pes biztos\u00edtani a nemzeti felm\u00e9r\u00e9sek \u00e9s v\u00e1laszt\u00e1sok teljes \u00e1tl\u00e1that\u00f3s\u00e1g\u00e1t. Az Ethereum haszn\u00e1lat\u00e1val megval\u00f3sul\u00f3 okos szerz\u0151d\u00e9sek viszont seg\u00edtenek automatiz\u00e1lni a folyamatot. M\u00e1r l\u00e9tezik egy Boardroom nev\u0171 alkalmaz\u00e1s, amely lehet\u0151v\u00e9 teszi szervezeti d\u00f6nt\u00e9sek meghozatal\u00e1t, a blokkl\u00e1nc alapj\u00e1n.<\/li>\n\n\n\n<li><strong>Ell\u00e1t\u00e1si l\u00e1nc auditok.<\/strong> A n\u00f6vekv\u0151 fogyaszt\u00e1s egy\u00fctt j\u00e1r a term\u00e9kek \u00e9s er\u0151forr\u00e1sok forr\u00e1sa ir\u00e1nti \u00e9rdekl\u0151d\u00e9ssel, k\u00fcl\u00f6n\u00f6sen az etika \u00e9s a k\u00f6rnyezetv\u00e9delem \u00f6sszef\u00fcgg\u00e9s\u00e9ben. Az elosztott f\u0151k\u00f6nyvek seg\u00edts\u00e9g\u00e9vel k\u00f6nnyen ellen\u0151rizhet\u0151, hogy igaz-e, amit a gy\u00e1rt\u00f3 \u00e1ll\u00edt. Az ellen\u0151rz\u00e9s mag\u00e1ban foglalja a blokkl\u00e1ncban r\u00f6gz\u00edtett id\u0151b\u00e9lyegz\u0151ket \u00e9s helymegjel\u00f6l\u00e9seket.<\/li>\n\n\n\n<li><strong>A szellemi tulajdon v\u00e9delme.<\/strong> A digit\u00e1lis inform\u00e1ci\u00f3 az internetnek k\u00f6sz\u00f6nhet\u0151en a v\u00e9gtelens\u00e9gig \u00fajra r\u00f6gz\u00edthet\u0151 \u00e9s terjeszthet\u0151. A tulajdonosok gyakran elvesz\u00edtik az ellen\u0151rz\u00e9st szellemi tulajdonuk felett, amelyet illeg\u00e1lisan terjesztenek. Az okos szerz\u0151d\u00e9sek seg\u00edthetnek a szerz\u0151i jogok v\u00e9delm\u00e9ben, \u00e9s automatiz\u00e1lhatj\u00e1k a kreat\u00edv alkot\u00e1sok \u00e9rt\u00e9kes\u00edt\u00e9s\u00e9t, a m\u00e1sol\u00e1s \u00e9s a f\u00e1jlok \u00fajraeloszt\u00e1s\u00e1nak kock\u00e1zat\u00e1t kik\u00fcsz\u00f6b\u00f6lend\u0151.<\/li>\n\n\n\n<li><strong>Szem\u00e9lyazonoss\u00e1g-kezel\u00e9s.<\/strong> Az interneten nyilv\u00e1nval\u00f3an sz\u00fcks\u00e9g van a jobb szem\u00e9lyazonoss\u00e1g-kezel\u00e9sre. Az internetes tranzakci\u00f3k alapja a szem\u00e9lyazonoss\u00e1g igazol\u00e1sa. Az interneten kereszt\u00fcl t\u00f6rt\u00e9n\u0151 szem\u00e9lyazonoss\u00e1g-lop\u00e1s elleni biztons\u00e1gi int\u00e9zked\u00e9sek azonban a legjobb esetben is t\u00f6k\u00e9letlenek. Az elosztott f\u0151k\u00f6nyvek korszer\u0171s\u00edtett m\u00f3dszereket k\u00edn\u00e1lnak a felhaszn\u00e1l\u00f3 hiteles\u00edt\u00e9s\u00e9re, valamint a szem\u00e9lyes dokumentumok digitaliz\u00e1l\u00e1s\u00e1nak lehet\u0151s\u00e9g\u00e9t.<\/li>\n\n\n\n<li><strong>\u00c9rt\u00e9kpap\u00edrok v\u00e1s\u00e1rl\u00e1sa \u00e9s elad\u00e1sa.<\/strong> A tov\u00e1bbi hat\u00e9konys\u00e1gi potenci\u00e1l a r\u00e9szv\u00e9nyek \u00e9s k\u00f6tv\u00e9nyek sz\u00e1m\u00edt\u00e1sa sor\u00e1n er\u0151s p\u00e9lda a blokkl\u00e1nc felhaszn\u00e1l\u00e1s\u00e1ra az \u00e9rt\u00e9kpap\u00edr-kereskedelemben. Peer-to-peer meger\u0151s\u00edt\u00e9s\u00fck ut\u00e1n a tranzakci\u00f3k szinte azonnaliv\u00e1 \u00e9s nagyon biztons\u00e1goss\u00e1 v\u00e1lnak. Ez potenci\u00e1lisan azt jelentheti, hogy a k\u00f6zvet\u00edt\u0151k \u2013 mint az kl\u00edringh\u00e1zak vagy a k\u00f6nyvvizsg\u00e1l\u00f3k \u2013 feleslegess\u00e9 v\u00e1lnak, \u00e9s kiker\u00fclnek a folyamatb\u00f3l.<\/li>\n<\/ul>\n\n\n\n<p>A blokkl\u00e1nc teh\u00e1t egy olyan rendszer, amely a kriptovaluta-tranzakci\u00f3kon k\u00edv\u00fcl is sok mindenre haszn\u00e1lhat\u00f3, \u00e9s a sokf\u00e9le el\u0151ny, amit ez a technol\u00f3gia k\u00edn\u00e1l, okot szolg\u00e1ltat arra, hogy haszn\u00e1lata v\u00e1rhat\u00f3an n\u00e9h\u00e1ny \u00e9ven bel\u00fcl \u00e1ltal\u00e1noss\u00e1 v\u00e1ljon.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A blokkl\u00e1ncot az internet \u00f3ta a legforradalmibb technol\u00f3giai innov\u00e1ci\u00f3nak tartj\u00e1k. A legt\u00f6bben azonban a blokkl\u00e1ncot csak a Bitcoin m\u00f6g\u00f6tt \u00e1ll\u00f3 technol\u00f3gi\u00e1val hozz\u00e1k \u00f6sszef\u00fcgg\u00e9sbe, hiszen a Bitcoin l\u00e9trehoz\u00e1sa sor\u00e1n haszn\u00e1lt\u00e1k el\u0151sz\u00f6r nagyobb l\u00e9pt\u00e9kben a blokkl\u00e1ncot. De mi is val\u00f3j\u00e1ban a blokkl\u00e1nc-technol\u00f3gia? Hogyan j\u00f6tt l\u00e9tre, \u00e9s mi lesz a j\u00f6v\u0151je?<\/p>\n","protected":false},"author":1,"featured_media":940,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kripto-vilag"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blokkl\u00e1nc \u2013 a j\u00f6v\u0151 technol\u00f3gi\u00e1ja |<\/title>\n<meta name=\"description\" content=\"Blokkl\u00e1nc \u2013 a j\u00f6v\u0151 technol\u00f3gi\u00e1ja ... 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