{"id":97976,"date":"2020-10-23T08:43:11","date_gmt":"2020-10-23T06:43:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/evolyucziya-otkrytogo-interneta"},"modified":"2020-10-23T08:43:11","modified_gmt":"2020-10-23T06:43:11","slug":"evolyucziya-otkrytogo-interneta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/evolyucziya-otkrytogo-interneta","title":{"rendered":"Evol\u00facia otvoren\u00e9ho internetu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Evol\u00facia otvoren\u00e9ho internetu\" src=\"\/wp-content\/uploads\/2020\/10\/c3793bd59e2679b62f101a02754fee79.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00fdvoj\u00e1ri u\u017e roky diskutuj\u00fa o v\u00fdhod\u00e1ch technol\u00f3gie blockchain. Argumentovali slab\u00fdmi \u201epr\u00edpadmi pou\u017eitia\u201c spolu s nejasn\u00fdmi defin\u00edciami toho, ako technol\u00f3gia funguje, na \u010do je naozaj potrebn\u00e1 a \u010d\u00edm sa platformy, ktor\u00e9 ju pou\u017e\u00edvaj\u00fa, l\u00ed\u0161ia jedna od druhej. Nie je prekvapen\u00edm, \u017ee to vyvol\u00e1valo zm\u00e4tok a ned\u00f4veru vo\u010di blockchainovej technol\u00f3gii. <\/p>\n<p>V tomto \u010dl\u00e1nku chcem op\u00edsa\u0165 s\u00fabor ment\u00e1lnych modelov, ktor\u00e9 pom\u00f4\u017eu pochopi\u0165, ako potenci\u00e1lne pr\u00edpady pou\u017eitia ved\u00fa k technick\u00fdm kompromisom, ktor\u00fdm mus\u00ed ka\u017ed\u00e1 platforma \u010deli\u0165. Tieto ment\u00e1lne modely s\u00fa postaven\u00e9 na pokroku, ktor\u00fd technol\u00f3gia blockchain dosiahla za posledn\u00fdch 10 rokov, prech\u00e1dzaj\u00fac vo svojom v\u00fdvoji cez 3 gener\u00e1cie: otvoren\u00e9 peniaze, otvoren\u00e9 financie a nakoniec otvoren\u00fd internet. <br \/>\nMoj\u00edm cie\u013eom je pom\u00f4c\u0165 v\u00e1m vytvori\u0165 jasn\u00e9 porozumenie tomu, \u010do je blockchain, pochopi\u0165 pre\u010do s\u00fa r\u00f4zne platformy potrebn\u00e9 a predstavi\u0165 si bud\u00facnos\u0165 otvoren\u00e9ho internetu.<br \/>\n <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>Kr\u00e1tke \u00favod do blockchainu<\/h3>\n<p>\nTrochu z\u00e1kladov. Blockchain je vlastne len datab\u00e1za, ktor\u00fa spravuje skupina r\u00f4znych oper\u00e1torov, namiesto jedn\u00e9ho podniku (ako je Amazon, Microsoft alebo Google). D\u00f4le\u017eit\u00fdm rozli\u0161ovac\u00edm znakom blockchainu od cloudu je, \u017ee nemus\u00edte d\u00f4verova\u0165 \u201evlastn\u00edkovi\u201c datab\u00e1zy (ani jeho opera\u010dnej bezpe\u010dnosti), aby ste mohli uchov\u00e1va\u0165 cenn\u00e9 \u00fadaje. Ke\u010f je blockchain verejn\u00fd (a v\u0161etky najv\u00e4\u010d\u0161ie blockchainy s\u00fa verejn\u00e9), m\u00f4\u017ee ho ktoko\u013evek pou\u017e\u00edva\u0165 na \u010doko\u013evek. <\/p>\n<p>Aby tak\u00fdto syst\u00e9m fungoval na ve\u013ekom mno\u017estve anonymn\u00fdch zariaden\u00ed po celom svete, mus\u00ed ma\u0165 digit\u00e1lny token, ktor\u00fd bude pou\u017eit\u00fd ako platobn\u00fd prostriedok. T\u00fdmi tokenmi bud\u00fa u\u017e\u00edvatelia siete plati\u0165 oper\u00e1torom syst\u00e9mu. Z\u00e1rove\u0148 token zabezpe\u010duje bezpe\u010dnos\u0165, ktor\u00fa ur\u010duje te\u00f3ria hier, zakotven\u00e1 v \u0148om. A hoci bola my\u0161lienka do zna\u010dnej miery skompromitovan\u00e1 boomom podvodn\u00fdch ICO v roku 2017, samotn\u00e1 my\u0161lienka tokenov a tokeniz\u00e1cie ako takej, spo\u010d\u00edvaj\u00faca v tom, \u017ee jednotliv\u00fd digit\u00e1lny akt\u00edv m\u00f4\u017ee by\u0165 jedine\u010dne identifikovan\u00fd a zaslan\u00fd, m\u00e1 jednoducho neuverite\u013en\u00fd potenci\u00e1l.<\/p>\n<p>Tie\u017e je d\u00f4le\u017eit\u00e9 oddeli\u0165 t\u00fa \u010das\u0165 datab\u00e1zy, ktor\u00e1 uchov\u00e1va \u00fadaje, od tej, ktor\u00e1 \u00fadaje men\u00ed (virtu\u00e1lny stroj). <\/p>\n<p>R\u00f4zne charakteristiky re\u0165azca je mo\u017en\u00e9 optimalizova\u0165. Napr\u00edklad bezpe\u010dnos\u0165 (v bitcoine), r\u00fdchlos\u0165, cena alebo \u0161k\u00e1lovate\u013enos\u0165. Navy\u0161e, logiku modifik\u00e1cie je tie\u017e mo\u017en\u00e9 optimalizova\u0165 r\u00f4znymi sp\u00f4sobmi: m\u00f4\u017ee to by\u0165 jednoduch\u00fd kalkula\u010dka na s\u010d\u00edtanie a od\u010d\u00edtanie (ako v bitcoine), alebo m\u00f4\u017ee \u00eds\u0165 o Turingom \u00fapln\u00fa virtu\u00e1lnu ma\u0161inu (ako v Ethereum a NEAR). <\/p>\n<p>Tak\u017ee dve platformy na blockchaine m\u00f4\u017eu \u201enastavi\u0165\u201c svoj blockchain a virtu\u00e1lnu ma\u0161inu na vykon\u00e1vanie \u00faplne odli\u0161n\u00fdch funkci\u00ed a nemusia nikdy s\u00fa\u0165a\u017ei\u0165 medzi sebou na trhu. Napr\u00edklad bitcoin v porovnan\u00ed s Ethereum alebo NEAR je \u00faplne in\u00fd svet, a Ethereum a NEAR nemaj\u00fa ni\u010d spolo\u010dn\u00e9 s Ripple a Stellar \u2014 aj ke\u010f v\u0161etky funguj\u00fa na \u201eblockchainovej technol\u00f3gii\u201c. <\/p>\n<h3>Tri gener\u00e1cie blockchainu<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Evol\u00facia otvoren\u00e9ho internetu\" src=\"\/wp-content\/uploads\/2020\/10\/22f67914c1c150fc67b1ec916d90b693.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTechnologick\u00e9 \u00faspechy a konkr\u00e9tne rie\u0161enia v projektovan\u00ed syst\u00e9mu umo\u017enili roz\u0161\u00edri\u0165 funk\u010dnos\u0165 blockchainu po\u010das 3 gener\u00e1ci\u00ed jeho v\u00fdvoja za posledn\u00fdch 10 rokov. Tieto gener\u00e1cie mo\u017eno rozdeli\u0165 nasledovne:<\/p>\n<ol>\n<li>Otvoren\u00e9 peniaze: poskytn\u00fa\u0165 v\u0161etk\u00fdm pr\u00edstup k digit\u00e1lnym peniazom.<\/li>\n<li>Otvoren\u00e9 financie: spravi\u0165 digit\u00e1lne peniaze programovate\u013en\u00fdmi a roz\u0161\u00edri\u0165 hranice ich vyu\u017eitia.<\/li>\n<li>Otvoren\u00fd internet: roz\u0161\u00edri\u0165 otvoren\u00e9 financie tak, aby zah\u0155\u0148ali cenn\u00e9 inform\u00e1cie ak\u00e9hoko\u013evek druhu a stali sa pr\u00edstupn\u00fdmi pre masov\u00e9 vyu\u017eitie. <\/li>\n<\/ol>\n<p>\nZa\u010dneme s otvoren\u00fdmi peniazmi. <\/p>\n<h3>Prv\u00e1 gener\u00e1cia: otvoren\u00e9 peniaze<\/h3>\n<p>\n<i>Peniaze s\u00fa z\u00e1kladom kapitalizmu. Prv\u00fd krok umo\u017enil komuko\u013evek z ak\u00e9hoko\u013evek miesta z\u00edska\u0165 pr\u00edstup k peniazom. <br \/>\n<\/i><br \/>\n<img decoding=\"async\" alt=\"Evol\u00facia otvoren\u00e9ho internetu\" src=\"\/wp-content\/uploads\/2020\/10\/fa96542415d1c5f2500d9ec02fe01e60.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJedny z najd\u00f4le\u017eitej\u0161\u00edch \u00fadajov, ktor\u00e9 je mo\u017en\u00e9 uchov\u00e1va\u0165 v datab\u00e1ze, s\u00fa samotn\u00e9 peniaze. V tom je inov\u00e1cia bitcoinu: ma\u0165 jednoduch\u00fd distribuovan\u00fd register, ktor\u00fd umo\u017e\u0148uje v\u0161etk\u00fdm s\u00fahlasi\u0165, \u017ee Joe m\u00e1 30 bitcoinov a pr\u00e1ve poslal Jill 1,5 bitcoina. Bitcoin je nastaven\u00fd tak, aby prioritizoval bezpe\u010dnos\u0165 nad v\u0161etk\u00fdmi ostatn\u00fdmi parametrami. Konsenzus v bitcoine je neuverite\u013ene drah\u00fd, \u010dasovo n\u00e1ro\u010dn\u00fd a funguje na princ\u00edpe \u201e\u00fazkeho hrdla\u201c, a z h\u013eadiska modifik\u00e1cie ide v podstate o oby\u010dajn\u00fa kalkula\u010dku na s\u010d\u00edtanie a od\u010d\u00edtanie, ktor\u00e1 umo\u017e\u0148uje uskuto\u010d\u0148ova\u0165 transakcie a vykon\u00e1va\u0165 niektor\u00e9 in\u00e9, ve\u013emi obmedzen\u00e9 oper\u00e1cie.<\/p>\n<p>Bitcoin je dobr\u00fdm pr\u00edkladom, ktor\u00fd ukazuje hlavn\u00e9 v\u00fdhody uchov\u00e1vania \u00fadajov na blockchaine: nez\u00e1vis\u00ed od \u017eiadnych prostredn\u00edkov a je dostupn\u00fd pre ka\u017ed\u00e9ho. To znamen\u00e1, \u017ee ka\u017ed\u00fd, kto m\u00e1 bitcoiny, m\u00f4\u017ee uskuto\u010dni\u0165 p2p prevod bez pomoci niekoho in\u00e9ho.<\/p>\n<p>V\u010faka jednoduchsosti a sile, ktor\u00fa Bitcoin s\u013euboval, sa \"peniaze\" stali jedn\u00fdm z najskor\u0161\u00edch a naj\u00faspe\u0161nej\u0161\u00edch sp\u00f4sobov vyu\u017eitia blockchainu. Av\u0161ak \"pr\u00edli\u0161 pomal\u00fd, pr\u00edli\u0161 drah\u00fd a pr\u00edli\u0161 bezpe\u010dn\u00fd\" syst\u00e9m Bitcoinu je dobr\u00fd na uchov\u00e1vanie akt\u00edv \u2014 analogicky so zlatom, ale nefunguje na ka\u017edodenn\u00e9 pou\u017eitie pre slu\u017eby ako internetov\u00e9 platby \u010di medzin\u00e1rodn\u00e9 prevody. <\/p>\n<h3>Nastavite\u013en\u00e9 otvoren\u00e9 peniaze<\/h3>\n<p>\nPre tak\u00e9to modely pou\u017eitia boli vytvoren\u00e9 \u010fal\u0161ie re\u0165azce s in\u00fdmi nastaveniami: <\/p>\n<ol>\n<li>Prevody: aby mili\u00f3ny \u013eud\u00ed mohli ka\u017ed\u00fd de\u0148 posiela\u0165 \u013eubovo\u013en\u00e9 sumy po celom svete, potrebujete nie\u010do ove\u013ea v\u00fdkonnej\u0161ie a menej n\u00e1kladn\u00e9 ako Bitcoin. Va\u0161a s\u00fastava v\u0161ak st\u00e1le mus\u00ed zabezpe\u010di\u0165 dostato\u010dn\u00fa \u00farove\u0148 bezpe\u010dnosti. Ripple a Stellar s\u00fa projekty, ktor\u00e9 optimalizovali svoje re\u0165azce na dosiahnutie tohto cie\u013ea.<\/li>\n<li>R\u00fdchle transakcie: aby miliardy \u013eud\u00ed mohli pou\u017e\u00edva\u0165 digit\u00e1lne peniaze rovnako ako kreditn\u00e9 karty, potrebujete, aby sa re\u0165azec dobre \u0161k\u00e1loval, mal vysok\u00fd v\u00fdkon a zostal lacn\u00fd. To sa d\u00e1 dosiahnu\u0165 dvoma sp\u00f4sobmi, pri\u010dom sa m\u00f4\u017ee obetova\u0165 bezpe\u010dnos\u0165. Prv\u00fd je postavi\u0165 r\u00fdchlej\u0161\u00ed \"druh\u00fd level\" nad Bitcoinom, ktor\u00fd optimalizuje sie\u0165 pre vysok\u00fd v\u00fdkon, a po dokon\u010den\u00ed transakcie presunie akt\u00edva sp\u00e4\u0165 do \"\u00falo\u017eiska\" Bitcoinu. Pr\u00edkladom tak\u00e9ho rie\u0161enia je Lightning Network. Druh\u00fd sp\u00f4sob je vytvori\u0165 nov\u00fd blockchain, ktor\u00fd zaist\u00ed maxim\u00e1lnu \u00farove\u0148 bezpe\u010dnosti, pri\u010dom umo\u017e\u0148uje r\u00fdchle lacn\u00e9 transakcie, ako to rob\u00ed Libra. <\/li>\n<li>S\u00fakromn\u00e9 transakcie: aby sa zachovala \u00fapln\u00e1 d\u00f4vernos\u0165 po\u010das transakcie, je potrebn\u00e9 prida\u0165 \u00farove\u0148 anonymiz\u00e1cie. To zni\u017euje v\u00fdkon a zvy\u0161uje cenu, ako to robia Zcash a Monero.<\/li>\n<\/ol>\n<p>\nKe\u010f\u017ee tak\u00e9 peniaze s\u00fa tokeny predstavuj\u00face \u00faplne digit\u00e1lny akt\u00edv, m\u00f4\u017eu by\u0165 tie\u017e naprogramovan\u00e9 na z\u00e1kladnej \u00farovni syst\u00e9mu. Napr\u00edklad celkov\u00e9 mno\u017estvo bitcoinu, ktor\u00e9 bude vyroben\u00e9 za cel\u00fa dobu, je naprogramovan\u00e9 v z\u00e1kladnom syst\u00e9me bitcoinu. Vytvoren\u00edm dobrej v\u00fdpo\u010dtovej s\u00fastavy nad z\u00e1kladnou \u00farov\u0148ou ju m\u00f4\u017eeme posun\u00fa\u0165 na \u00faplne nov\u00fa \u00farove\u0148.<\/p>\n<p>Tu prich\u00e1dzaj\u00fa do hry otvoren\u00e9 financie.<\/p>\n<h3>Druh\u00e1 gener\u00e1cia: otvoren\u00e9 financie<\/h3>\n<p>\n<i>S otvoren\u00fdmi financiami peniaze prest\u00e1vaj\u00fa by\u0165 len prostriedkom na \u00fasporu alebo n\u00e1strojom na transakcie \u2014 teraz z nich m\u00f4\u017eeme z\u00edska\u0165 v\u00fdhody, \u010do zvy\u0161uje ich potenci\u00e1l.<br \/>\n<\/i><br \/>\n<img decoding=\"async\" alt=\"Evol\u00facia otvoren\u00e9ho internetu\" src=\"\/wp-content\/uploads\/2020\/10\/62ab944fdb5ff1fbe663d3a577cfdb01.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTie vlastnosti, ktor\u00e9 umo\u017e\u0148uj\u00fa \u013eu\u010fom verejne vykon\u00e1va\u0165 bitcoinov\u00e9 prevody, tie\u017e umo\u017e\u0148uj\u00fa v\u00fdvoj\u00e1rom p\u00edsa\u0165 programy, ktor\u00e9 robia to ist\u00e9. Predpokladajme teda, \u017ee digit\u00e1lne peniaze maj\u00fa vlastn\u00e9 nez\u00e1visl\u00e9 API, na jeho\u017e pou\u017eitie nie je potrebn\u00e9 z\u00edska\u0165 API k\u013e\u00fa\u010d alebo pou\u017e\u00edvate\u013esk\u00fa dohodu od \u017eiadnej spolo\u010dnosti.<\/p>\n<p>To je presne to, \u010do s\u013eubuj\u00fa \"otvoren\u00e9 financie\", zn\u00e1me tie\u017e ako \"decentralizovan\u00e9 financie\" (DeFi). <\/p>\n<h3>ETHEREUM<\/h3>\n<p>\nAko bolo uveden\u00e9 sk\u00f4r, API bitcoinu je pomerne jednoduch\u00e9 a neefekt\u00edvne. Sta\u010d\u00ed na to, aby bolo mo\u017en\u00e9 nasadi\u0165 v sieti bitcoinu skripty, ktor\u00e9 mu umo\u017e\u0148uj\u00fa fungova\u0165. Aby sme urobili nie\u010do zauj\u00edmavej\u0161ie, je potrebn\u00e9 prenies\u0165 samotn\u00fd bitcoin na in\u00fa blockchainov\u00fa platformu, \u010do je n\u00e1ro\u010dn\u00e1 \u00faloha. <\/p>\n<p>In\u00e9 platformy pracovali na kombinovan\u00ed vysok\u00e9ho \u00farovne bezpe\u010dnosti potrebnej na pr\u00e1cu s digit\u00e1lnymi peniazmi, s komplexnej\u0161ou \u00farov\u0148ou \u00faprav. Ethereum bol prv\u00fd, kto to spustil. Namiesto \"kalkula\u010dky\" bitcoinu, ktor\u00e1 funguje na s\u010d\u00edtan\u00ed a od\u010d\u00edtan\u00ed, Ethereum vytvoril cel\u00fa virtu\u00e1lnu strojov\u00fa platformu nad \u00farov\u0148ou \u00falo\u017eiska, ktor\u00e1 umo\u017enila v\u00fdvoj\u00e1rom p\u00edsa\u0165 plnohodnotn\u00e9 programy a sp\u00fa\u0161\u0165a\u0165 ich priamo na blockchain.<\/p>\n<p>D\u00f4le\u017eit\u00e9 je, \u017ee bezpe\u010dnos\u0165 digit\u00e1lnych akt\u00edv (napr\u00edklad pe\u0148az\u00ed) ulo\u017een\u00fdch na blockchaine je rovnak\u00e1 ako bezpe\u010dnos\u0165 a spo\u013eahlivos\u0165 programov, ktor\u00e9 m\u00f4\u017eu nat\u00edvne meni\u0165 stav tohto blockchainu. Smart kontrakty Ethereum s\u00fa v podstate bezserverov\u00e9 skripty, ktor\u00e9 sa vykon\u00e1vaj\u00fa na blockchaine rovnako, ako sa na Bitcoine vykon\u00e1va be\u017en\u00e1 transakcia \u201epo\u0161li Jill 23 tokenov\u201c. Nat\u00edvnym tokenom Ethereum je \u00e9ter alebo ETH.<\/p>\n<h3>Komponenty blockchainu ako potrubie<\/h3>\n<p>\nKe\u010f\u017ee API nad ETH je verejn\u00e9 (rovnako ako v Bitcoine), ale nekone\u010dne programovate\u013en\u00e9, podarilo sa vytvori\u0165 radu stavebn\u00fdch blokov, ktor\u00e9 si navz\u00e1jom vymie\u0148aj\u00fa \u00e9ter, aby vykonali u\u017eito\u010dn\u00fa pr\u00e1cu pre koncov\u00e9ho pou\u017e\u00edvate\u013ea.<\/p>\n<p>V \u201ebe\u017enom svete\u201c by na to potreboval, napr\u00edklad, ve\u013ek\u00fd bankov\u00fd \u00fastav, ktor\u00fd by sa dohodol na podmienkach kontraktov a pr\u00edstupu k API s ka\u017ed\u00fdm jednotliv\u00fdm poskytovate\u013eom. Na blockchaine v\u0161ak bol ka\u017ed\u00fd z t\u00fdchto blokov nez\u00e1visle vytvoren\u00fd v\u00fdvoj\u00e1rmi a r\u00fdchlo \u0161k\u00e1lovan\u00fd na priepustnos\u0165 v mili\u00f3noch dol\u00e1rov a uchov\u00e1van\u00ed hodnoty viac ako 1 miliarda dol\u00e1rov na za\u010diatku roku 2020. <\/p>\n<p>Napr\u00edklad za\u010dneme s Dharma, pe\u0148a\u017eenkou, ktor\u00e1 umo\u017e\u0148uje pou\u017e\u00edvate\u013eom uchov\u00e1va\u0165 digit\u00e1lne tokeny a z\u00edskava\u0165 na nich \u00farok. To je z\u00e1kladn\u00fd princ\u00edp vyu\u017e\u00edvania tradi\u010dn\u00e9ho bankov\u00e9ho syst\u00e9mu. V\u00fdvoj\u00e1ri Dharma pon\u00fakaj\u00fa \u00farokov\u00fa sadzbu pre svojich pou\u017e\u00edvate\u013eov spojen\u00edm mnoh\u00fdch komponentov, ktor\u00e9 boli vytvoren\u00e9 na b\u00e1ze Ethereum. Napr\u00edklad dol\u00e1re pou\u017e\u00edvate\u013eov s\u00fa konvertovan\u00e9 na DAI, stablecoin na b\u00e1ze Ethereum, ktor\u00fd zodpoved\u00e1 americk\u00e9mu dol\u00e1ru. Tento stablecoin je potom \u201epotrub\u00edm\u201c preveden\u00fd do Compound, protokolu, ktor\u00fd tieto peniaze poskytuje ako p\u00f4\u017ei\u010dku za \u00farok, a tak okam\u017eite zar\u00e1ba \u00farok pre pou\u017e\u00edvate\u013eov.<\/p>\n<h3>Aplik\u00e1cia otvoren\u00fdch financi\u00ed<\/h3>\n<p>\nHlavn\u00fd z\u00e1ver je, \u017ee kone\u010dn\u00fd produkt, ktor\u00fd sa dost\u00e1va k pou\u017e\u00edvate\u013eovi, bol vytvoren\u00fd z mnoh\u00fdch komponentov, pri\u010dom ka\u017ed\u00fd z nich bol vyvinut\u00fd samostatn\u00fdm t\u00edmom, a na pou\u017e\u00edvanie t\u00fdchto komponentov nebolo potrebn\u00e9 z\u00edska\u0165 povolenie alebo k\u013e\u00fa\u010d od API. V s\u00fa\u010dasnosti v tomto syst\u00e9me cirkuluje miliardy dol\u00e1rov. Je to takmer ako otvoren\u00fd softv\u00e9r (OS), ale ak otvoren\u00fd OS vy\u017eaduje stiahnutie k\u00f3pie ur\u010ditej kni\u017enice pre ka\u017ed\u00fa implement\u00e1ciu, otvoren\u00e9 komponenty sa nasadzuj\u00fa iba raz a potom ka\u017ed\u00fd pou\u017e\u00edvate\u013e m\u00f4\u017ee posiela\u0165 po\u017eiadavky na konkr\u00e9tny komponent na pr\u00edstup k jeho zdie\u013ean\u00e9mu stavu. <\/p>\n<p>Ka\u017ed\u00fd t\u00edm, ktor\u00fd vytvoril tieto komponenty, nenesie zodpovednos\u0165 za ak\u00e9ko\u013evek nadmern\u00e9 \u00fa\u010dty EC2 v d\u00f4sledku zneu\u017eitia ich API. Zaznamen\u00e1vanie \u00fadajov a \u00fa\u010dtovanie za pou\u017e\u00edvanie t\u00fdchto komponentov sa v podstate deje automaticky v r\u00e1mci re\u0165azca. <\/p>\n<h3>V\u00fdkon a nastavenie<\/h3>\n<p>\nEthereum funguje s rovnak\u00fdmi parametrami ako bitcoin, ale bloky sa pren\u00e1\u0161aj\u00fa do siete pribli\u017ene 30-kr\u00e1t r\u00fdchlej\u0161ie a lacnej\u0161ie \u2014 n\u00e1klady na transakciu s\u00fa 0,1 USD namiesto pribli\u017ene 0,5 USD za bitcoin. To poskytuje dostato\u010dn\u00fa \u00farove\u0148 bezpe\u010dnosti pre aplik\u00e1cie, ktor\u00e9 spravuj\u00fa finan\u010dn\u00e9 akt\u00edva a nevy\u017eaduj\u00fa vysok\u00fa priepustnos\u0165.<\/p>\n<p>Ethereum sie\u0165, ako technol\u00f3gia prvej gener\u00e1cie, nevydr\u017eala \u0165a\u017ekosti s vysok\u00fdm objemom po\u017eiadaviek a trpela priepustnos\u0165ou 15 transakci\u00ed za sekundu. Tento nedostatok v\u00fdkonu viedol k tomu, \u017ee otvoren\u00e9 financie uviazli v stave overovania konceptu. Pre\u0165a\u017een\u00e1 sie\u0165 fungovala ako svetov\u00fd finan\u010dn\u00fd syst\u00e9m v dobe anal\u00f3gov\u00fdch zariaden\u00ed s papierov\u00fdmi \u0161ekmi a potvrdeniami po telef\u00f3ne, preto\u017ee v\u00fdpo\u010dtov\u00e1 sila Etherea je ni\u017e\u0161ia ne\u017e <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/hosseeb\/status\/1226741309810982919\">grafick\u00fd kalkul\u00e1tor<\/a><\/noindex> rok 1990. <\/p>\n<p>Ethereum preuk\u00e1zalo mo\u017enosti kombinovania komponentov pre finan\u010dn\u00e9 modely pou\u017eitia a otvorilo pr\u00edstup k \u0161ir\u0161iemu mno\u017estvu aplik\u00e1ci\u00ed, naz\u00fdvan\u00fdch otvoren\u00fd internet.<\/p>\n<h3>Tretia gener\u00e1cia: otvoren\u00fd internet<\/h3>\n<p>\n<i>Teraz v\u0161etko, \u010do m\u00e1 hodnotu, m\u00f4\u017ee sta\u0165 peniazmi, sp\u00e1jaj\u00fac internet s otvoren\u00fdmi financami a vytv\u00e1raj\u00fac tak internet hodn\u00f4t a otvoren\u00fd internet.<br \/>\n<\/i><br \/>\n<img decoding=\"async\" alt=\"Evol\u00facia otvoren\u00e9ho internetu\" src=\"\/wp-content\/uploads\/2020\/10\/476192e440ef2366f30a2534cec71975.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAko bolo uveden\u00e9 sk\u00f4r, koncept otvoren\u00fdch pe\u0148az\u00ed zah\u0155\u0148a mno\u017estvo variantov aplik\u00e1cie. Taktie\u017e bolo op\u00edsan\u00e9, ako technol\u00f3gia novej gener\u00e1cie, Ethereum, u\u010dinila otvoren\u00e9 peniaze u\u017eito\u010dnej\u0161\u00edmi vytvoren\u00edm mo\u017enost\u00ed kombinovania komponentov otvoren\u00fdch financi\u00ed. Teraz sa pozrime, ako \u010fal\u0161ia gener\u00e1cia technol\u00f3gi\u00ed roz\u0161iruje mo\u017enosti otvoren\u00fdch financi\u00ed a odha\u013euje skuto\u010dn\u00fd potenci\u00e1l blockchainu. <\/p>\n<p>P\u00f4vodne v\u0161etky \u201epeniaze\u201c, o ktor\u00fdch sa hovorilo, s\u00fa jednoducho druhy \u00fadajov, ktor\u00e9 s\u00fa ulo\u017een\u00e9 na blockchainu s vlastn\u00fdm otvoren\u00fdm API. Ale datab\u00e1za m\u00f4\u017ee uklada\u0165 \u010doko\u013evek.<\/p>\n<p>V\u010faka svojej \u0161trukt\u00fare je blockchain najvhodnej\u0161\u00ed na \u00fadaje s v\u00fdznamnou hodnotou. Defin\u00edcia \u201ev\u00fdznamnej hodnoty\u201c je mimoriadne flexibiln\u00e1. Ak\u00e9ko\u013evek \u00fadaje, ktor\u00e9 potenci\u00e1lne maj\u00fa hodnotu pre \u013eud\u00ed, m\u00f4\u017eu by\u0165 tokenizovan\u00e9. Tokeniz\u00e1cia v tomto kontexte je proces, ktor\u00fdm sa existuj\u00faci akt\u00edv (netvoren\u00fd od nuly, ako bitcoin) pren\u00e1\u0161a na blockchain a z\u00edskava rovnak\u00e9 verejn\u00e9 API ako bitcoin alebo Ethereum. Rovnako ako v pr\u00edpade bitcoinu, to umo\u017e\u0148uje vytv\u00e1ra\u0165 nedostatok (\u010di u\u017e 21 mili\u00f3nov tokenov alebo iba jeden).<\/p>\n<p>Zv\u00e1\u017eme pr\u00edklad Reddit, kde pou\u017e\u00edvatelia z\u00edskavaj\u00fa online reput\u00e1ciu vo forme \u201ekarmy\u201c. A zoberme si projekt typu Sofi, kde sa pou\u017e\u00edva mno\u017estvo krit\u00e9ri\u00ed na hodnotenie platobnej schopnosti konkr\u00e9tnej osoby. V modernom svete, ak by t\u00edm hackathonu, ktor\u00fd vyv\u00edja nov\u00fd Sofi, chcel integrova\u0165 hodnotenie redditovej karmy do svojho algoritmu pre poskytovanie \u00faverov, musel by uzavrie\u0165 dvojstrann\u00fa dohodu s t\u00edmom Reddit, aby z\u00edskal certifikovan\u00fd pr\u00edstup k API. Keby bola \u201ekarma\u201c tokenizovan\u00e1, tento t\u00edm by mal v\u0161etky potrebn\u00e9 n\u00e1stroje na integr\u00e1ciu s \u201ekarmou\u201c a Reddit by o tom ani nevedel. Jednoducho by profitoval z toho, \u017ee e\u0161te viac pou\u017e\u00edvate\u013eov chce zlep\u0161i\u0165 svoju karmu, preto\u017ee teraz je u\u017eito\u010dn\u00e1 nielen v Reddit, ale aj po celom svete.<\/p>\n<p>Ak sa posunieme e\u0161te \u010falej \u2014 100 r\u00f4znych t\u00edmov na nasleduj\u00facom hackathone by mohlo vymyslie\u0165 nov\u00e9 sp\u00f4soby vyu\u017eitia tohto a in\u00fdch akt\u00edv na vytvorenie nov\u00e9ho s\u00faboru verejn\u00fdch opakovane pou\u017eiteln\u00fdch komponentov alebo na v\u00fdstavbu nov\u00fdch aplik\u00e1ci\u00ed pre spotrebite\u013eov. V tom spo\u010d\u00edva my\u0161lienka otvoren\u00e9ho internetu.<\/p>\n<p>Ethereum umo\u017enil jednoducho pren\u00e1\u0161a\u0165 \"cez potrubie\" ve\u013ek\u00e9 sumy prostredn\u00edctvom verejn\u00fdch komponentov, a to ist\u00fdm sp\u00f4sobom umo\u017e\u0148uje pren\u00e1\u0161a\u0165 ak\u00fdko\u013evek akt\u00edvum, ktor\u00e9 m\u00f4\u017ee by\u0165 tokenizovan\u00e9, ako aj s n\u00edm nar\u00e1ba\u0165, vymie\u0148a\u0165 ho, poskytova\u0165 mu zabezpe\u010denie, meni\u0165 ho alebo s n\u00edm inak interagova\u0165, ako to je zakotven\u00e9 v jeho otvorenom API. <\/p>\n<h3>Nastavenie pre otvoren\u00fd internet<\/h3>\n<p>\nOtvoren\u00fd internet sa v podstate nel\u00ed\u0161i od otvoren\u00fdch financi\u00ed: je to len nadstavba nad nimi. Na zv\u00fd\u0161enie mo\u017enost\u00ed vyu\u017eitia otvoren\u00e9ho internetu je potrebn\u00fd v\u00fdznamn\u00fd skok v v\u00fdkonu a taktie\u017e schopnos\u0165 pril\u00e1ka\u0165 nov\u00fdch pou\u017e\u00edvate\u013eov.<\/p>\n<p>Na udr\u017eanie otvoren\u00e9ho internetu je pre platformu potrebn\u00e9 nasleduj\u00face vlastnosti:<\/p>\n<ol>\n<li>Ve\u013ek\u00e1 priepustnos\u0165, vy\u0161\u0161ia r\u00fdchlos\u0165 a lacnej\u0161ie transakcie. Ke\u010f\u017ee re\u0165azec u\u017e nie je len prenosom pomal\u00fdch rie\u0161en\u00ed na spr\u00e1vu akt\u00edv, mus\u00ed sa \u0161k\u00e1lova\u0165, aby podporoval zlo\u017eitej\u0161ie typy \u00fadajov a mo\u017enosti vyu\u017eitia. <\/li>\n<li>Pou\u017eite\u013enos\u0165. Ke\u010f\u017ee scen\u00e1re vyu\u017eitia bud\u00fa prech\u00e1dza\u0165 do aplik\u00e1ci\u00ed pre pou\u017e\u00edvate\u013eov, je ve\u013emi d\u00f4le\u017eit\u00e9, aby komponenty, ktor\u00e9 vytv\u00e1raj\u00fa v\u00fdvoj\u00e1ri, alebo aplik\u00e1cie, ktor\u00e9 boli vyvinut\u00e9 pomocou nich, zabezpe\u010dovali dobr\u00fd z\u00e1\u017eitok pre kone\u010dn\u00e9ho pou\u017e\u00edvate\u013ea. Napr\u00edklad, ke\u010f vytv\u00e1raj\u00fa \u00fa\u010det alebo prepojuj\u00fa existuj\u00faci s r\u00f4znymi akt\u00edvami a platformami a pritom zachov\u00e1vaj\u00fa kontrolu nad \u00fadajmi v ruk\u00e1ch pou\u017e\u00edvate\u013ea.<\/li>\n<\/ol>\n<p>\nTak\u00e9to charakteristiky predt\u00fdm nemala \u017eiadna platforma kv\u00f4li ich zlo\u017eitosti. Bolo potrebn\u00fdch nieko\u013eko rokov v\u00fdskumu, aby sa dostali do bodu, kde sa nov\u00e9 mechanizmy konsenzu zl\u00fa\u010dili s nov\u00fdmi vykon\u00e1vac\u00edmi prostrediami a nov\u00fdmi sp\u00f4sobmi \u0161k\u00e1lovania \u2014 a z\u00e1rove\u0148 sa podarilo zachova\u0165 v\u00fdkon a bezpe\u010dnos\u0165 na \u00farovni potrebnej pre pe\u0148a\u017en\u00e9 akt\u00edva.<\/p>\n<h3>Platforma otvoren\u00e9ho internetu<\/h3>\n<p>\nDesiatky blockchainov\u00fdch projektov, ktor\u00e9 sa objavuj\u00fa na trhu tento rok, nastavili svoje platformy tak, aby sa aplikovali na r\u00f4zne mo\u017enosti vyu\u017eitia v r\u00e1mci otvoren\u00fdch pe\u0148az\u00ed a otvoren\u00fdch financi\u00ed. Vzh\u013eadom na obmedzenia technol\u00f3gie v s\u00fa\u010dasnej f\u00e1ze, mali z\u00e1ujem optimalizova\u0165 svoju platformu pre konkr\u00e9tnu niku.<\/p>\n<p>NEAR \u2014 jedin\u00e1 sie\u0165, ktor\u00e1 vedome vylep\u0161ila svoju technol\u00f3giu a optimalizovala jej v\u00fdkonnostn\u00e9 charakteristiky tak, aby \u00faplne vyhovovali potreb\u00e1m otvoren\u00e9ho internetu. <\/p>\n<p>NEAR kombinuje pr\u00edstupy k \u0161k\u00e1lovaniu zo sveta vysoko v\u00fdkonn\u00fdch datab\u00e1z s vylep\u0161eniami vo vykon\u00e1van\u00ed a rokmi zdokona\u013eovania pou\u017eite\u013enosti. Rovnako ako Ethereum, aj NEAR m\u00e1 plnohodnotn\u00fa virtu\u00e1lnu ma\u0161inu postaven\u00fa na blockchaine, av\u0161ak aby \"st\u00edhala dopyt\", z\u00e1kladn\u00e1 sie\u0165 vyva\u017euje prenosov\u00fa kapacitu virtu\u00e1lnej ma\u0161iny, rozde\u013eovan\u00edm v\u00fdpo\u010dtov na paraleln\u00e9 procesy (sharding). A pritom udr\u017eiava \u00farove\u0148 bezpe\u010dnosti potrebn\u00fa na spo\u013eahliv\u00e9 uchov\u00e1vanie d\u00e1t. <\/p>\n<p>To znamen\u00e1, \u017ee na NEAR je mo\u017en\u00e9 implementova\u0165 v\u0161etky mo\u017en\u00e9 varianty pou\u017eitia: zabezpe\u010den\u00e9 fiat meny, ktor\u00e9 poskytuj\u00fa v\u0161etk\u00fdm pr\u00edstup k stabilnej mene, mechanizmy otvoren\u00fdch financi\u00ed, ktor\u00e9 sa \u0161k\u00e1luj\u00fa k zlo\u017eit\u00fdm finan\u010dn\u00fdm n\u00e1strojom a sp\u00e4\u0165, predt\u00fdm ne\u017e ich pou\u017e\u00edvaj\u00fa be\u017en\u00ed \u013eudia, a nakoniec aplik\u00e1cie otvoren\u00e9ho internetu, ktor\u00e9 toho v\u0161etk\u00e9ho vyu\u017e\u00edvaj\u00fa pre ka\u017edodenn\u00e9 obchodovanie a interakciu.<\/p>\n<h3>Z\u00e1ver<\/h3>\n<p>\nHist\u00f3ria otvoren\u00e9ho internetu sa len za\u010d\u00edna, preto\u017ee sme pr\u00e1ve vyvinuli potrebn\u00e9 technol\u00f3gie, aby dosiahol svoj skuto\u010dn\u00fd rozsah. Teraz, ke\u010f bol tento ve\u013ek\u00fd krok uroben\u00fd, bud\u00facnos\u0165 sa bude stava\u0165 na inov\u00e1ci\u00e1ch, ktor\u00e9 je mo\u017en\u00e9 vytvori\u0165 na z\u00e1klade t\u00fdchto nov\u00fdch technol\u00f3gi\u00ed, ako aj na technologickej vybavenosti v\u00fdvoj\u00e1rov a podnikate\u013eov, ktor\u00ed s\u00fa na \u010dele novej reality. <\/p>\n<p>Pre pochopenie potenci\u00e1lneho vplyvu otvoren\u00e9ho internetu si spome\u0148te na \"kambrijsk\u00fa expl\u00f3ziu\", ktor\u00e1 sa odohrala po\u010das vytv\u00e1rania protokolov ran\u00e9ho internetu, potrebn\u00fdch na to, aby pou\u017e\u00edvatelia kone\u010dne mohli m\u00ed\u0148a\u0165 peniaze online na konci 90. rokov. Nasleduj\u00facich 25 rokov internetov\u00fd obchod r\u00e1stol, generuj\u00fac objemy viac ako 2 bili\u00f3ny dol\u00e1rov ka\u017ed\u00fd rok. <\/p>\n<p>Podobne otvoren\u00fd internet roz\u0161iruje dosah a pokrytie finan\u010dn\u00fdch primit\u00edvov otvoren\u00fdch financi\u00ed a umo\u017e\u0148uje ich zapojenie do aplik\u00e1ci\u00ed orientovan\u00fdch na podniky a spotrebite\u013eov sp\u00f4sobmi, ktor\u00e9 m\u00f4\u017eeme h\u00e1da\u0165, ale ur\u010dite nie predpoveda\u0165.<\/p>\n<p>Po\u010fme budova\u0165 otvoren\u00fd internet spolu!<\/p>\n<p><u>Mal\u00fd zoznam zdrojov pre t\u00fdch, ktor\u00ed chc\u00fa h\u013ab\u0161ie prenikn\u00fa\u0165 u\u017e teraz:<br \/>\n<\/u><br \/>\n1. M\u00f4\u017eete sa pozrie\u0165, ako vyzer\u00e1 v\u00fdvoj pre NEAR a experimentova\u0165 v online IDE. <noindex><a rel=\"nofollow\" href=\"https:\/\/examples.near.org\/\">tu<\/a><\/noindex>.<\/p>\n<p>2. Pre v\u00fdvoj\u00e1rov, ktor\u00ed sa chc\u00fa pripoji\u0165 k ekosyst\u00e9mu. <noindex><a rel=\"nofollow\" href=\"http:\/\/https:\/\/near.org\/ecosystem\/\">sem<\/a><\/noindex>.<\/p>\n<p>3. Rozsiahl\u00e1 dokument\u00e1cia pre v\u00fdvoj\u00e1rov v angli\u010dtine je k dispoz\u00edcii. <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.near.org\/\">tu<\/a><\/noindex>.<\/p>\n<p>4. V\u0161etky novinky v ru\u0161tine m\u00f4\u017eete sledova\u0165 na <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/near_protocol\">telegrame komunity<\/a><\/noindex>, a v <noindex><a rel=\"nofollow\" href=\"https:\/\/vk.com\/nearprotocol\">skupine na VKontakte.<\/a><\/noindex><\/p>\n<p>5. Ak m\u00e1te n\u00e1pady na slu\u017eby riaden\u00e9 komunitou a chcete na nich pracova\u0165, pr\u00ed\u010fte do na\u0161ej <noindex><a rel=\"nofollow\" href=\"http:\/\/www.openwebcollective.com\">podporn\u00e9 programy pre podnikate\u013eov.<\/a><\/noindex> N\u00e1vrh\u00e1ri hovorili o v\u00fdhod\u00e1ch technol\u00f3gie blockchain na.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/near\/blog\/524544\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438 \u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d\u0430 \u043d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 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