{"id":33870,"date":"2019-10-31T21:55:08","date_gmt":"2019-10-31T18:55:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/corda-open-source-blokchejn-dlya-biznesa\/"},"modified":"2019-10-31T21:55:08","modified_gmt":"2019-10-31T18:55:08","slug":"corda-open-source-blokchejn-dlya-biznesa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/corda-open-source-blokchejn-dlya-biznesa","title":{"rendered":"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/corda\/corda\">Corda<\/a><\/noindex> on jagatud lepingute raamat erinevate finantsasutuste vaheliste rahaliste kohustuste hoidmiseks, haldamiseks ja s\u00fcnkroniseerimiseks.<br \/>\n<img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/4dd7c4b5e177c7fdc59eef739a052bb3.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex>Corda-l on piisavalt hea dokumentatsioon koos videoloengutega, mida saab leida <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.corda.net\/index.html\">siit<\/a><\/noindex>. Proovin kokkuv\u00f5tlikult selgitada, kuidas Corda seestpoolt t\u00f6\u00f6tab.<\/p>\n<p>Vaatame Corda peamisi omadusi ja selle ainulaadsust teiste plokiahelate seas:<\/p>\n<ul>\n<li>Corda-l puudub oma kr\u00fcptovaluuta. <\/li>\n<li>Corda ei kasuta kaevandamise kontseptsiooni ega Proof-of-Work s\u00fcsteemi.<\/li>\n<li>Andmete edastamine toimub ainult tehingu\/kontakti osaliste vahel. Siin ei ole globaalsed edastamised k\u00f5igile v\u00f5rgu s\u00f5lmedele. <\/li>\n<li>Puudub keskasutaja, kes juhiks k\u00f5iki tehinguid.<\/li>\n<li>Corda toetab erinevaid konsensuse mehhanisme.<\/li>\n<li>Konsensus saavutatakse osaliste vahel \u00fcksikute kokkulepete\/lepete tasandil, mitte kogu s\u00fcsteemi tasandil.<\/li>\n<li>Tehingu kinnitavad vaid osalised, kes on seotud sellega.<\/li>\n<li>Corda pakub otsest seost formaalse inim\u00f5igusliku keele ja nutilepingute koodi vahel.<\/li>\n<\/ul>\n<p><\/p>\n<h3>The ledger<\/h3>\n<p>\nCorda ledgeri m\u00f5isted on subjektiivsed. Ei ole \u00fchtekesksest andmehoidlast. Selle asemel toetab iga s\u00f5lm oma andmebaasi tuntud faktide kohta.<\/p>\n<p>Kujutage ette n\u00e4iteks 5 s\u00f5lmega v\u00f5rku, kus ring t\u00e4histab tuntud fakti \u00fche s\u00f5lme jaoks.<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/538ca02bcd0488dbcf626d4e9bc704f2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKuidas me n\u00e4eme, Ed, Carl ja Demi teavad fakti 3, kuid Alice ja Bob ei kahtlustagi selle olemasolu. Corda tagab, et iga s\u00f5lme andmebaas sisaldab jagatud fakte ning andmed on \u00fchesugused. <\/p>\n<h3>Oleksed<\/h3>\n<p>\nOlek on <i>muutmatu<\/i> objekt, mis esindab fakti, mis on tuntud \u00fchele v\u00f5i mitmele v\u00f5rgu s\u00f5lmele kindlal ajahetkel.<\/p>\n<p>Oleksed v\u00f5ivad salvestada meelevaldset teavet, n\u00e4iteks aktsiaid, v\u00f5lakirju, laene, isikuandmeid.<\/p>\n<p>N\u00e4iteks j\u00e4rgnev olek esindab IOU-d \u2014 kokkulepet, et Alice peab Bobile summa X:<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/19375664e05d42eb646dfbcab2c0638a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nFakti eluiga ajas on esitatud olekute j\u00e4rjestikusega. Kui praegust olekut on vaja uuendada, loome uue ja m\u00e4rgime praeguse ajalooliseks (historic).<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/f3ab2bd8a7c4cb6df40f003aa88cc0fd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Tehingud<\/h3>\n<p>\nTehingud on ettepanekud ledgeri uuendamiseks. Need ei edastata k\u00f5igile ledgeri osalejatele ja on k\u00e4ttesaadavad vaid neile v\u00f5rgu liikmetele, kellel on seaduslik \u00f5igus neid vaadata ja hallata.<\/p>\n<p>Tehing lisatakse ledgerisse, kui see:<\/p>\n<ul>\n<li>on lepinguliselt kehtiv<\/li>\n<li>on allkirjastatud k\u00f5ikide vajalike osalejate poolt<\/li>\n<li>ei sisalda topeltkasutusi (double-spends)<\/li>\n<\/ul>\n<p>\nCorda kasutab UTXO (kasutamata tehingu v\u00e4ljundi) mudelit, kus iga ledgeri olek on muutumatu. <\/p>\n<p>Tehingu loomisel edastatakse sisendina eelmise tehingu v\u00e4ljundi olek (ha\u0161i ja indeksi kaudu).<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/f26706fc6ae514926ab7cc3d1e18aef7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTehingu eluts\u00fckkel:<\/p>\n<ul>\n<li>Loomine (Praegu on tehing vaid ettepanek ledgeri uuendamiseks) <\/li>\n<li>Allkiri kogumine (Tehingu vajalikud osalejad kinnitavad uuendamise ettepaneku, lisades tehingule allkirja)<\/li>\n<li>Tehingu sidumine ledgerisse<\/li>\n<\/ul>\n<p>\nP\u00e4rast tehingu lisamist ledgerisse m\u00e4rgitakse sisendolekud ajaloolisteks ja neid ei saa kasutada tulevastes tehingutes.<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/b2525d6861369163bedddcc4662d2f5b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nLisaks sisend- ja v\u00e4ljundolekutele v\u00f5ib tehing sisaldada:<\/p>\n<ul>\n<li>K\u00e4sklusi (tehingu parameeter, mis n\u00e4itab tehingu sihti) <\/li>\n<li>Manused (p\u00fchade kalendrid, valuutakonverter) <\/li>\n<li>Ajaraamid (kehtivusaeg)<\/li>\n<li>Notaar (Notary, erilised v\u00f5rgu osalised, valideerivad tehingud) <\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/776d3d738f344acc65182e5dc67d9673.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h3>Lepingud<\/h3>\n<p>\nKui r\u00e4\u00e4gime tehingu kehtivusest, siis m\u00f5tleme mitte ainult vajalike allkiri olemasolule, vaid ka lepingu kehtivusele. Iga tehing on seotud lepingu, mis aktsepteerib ja valideerib sisendi ja v\u00e4ljundi olekud. Tehingut peetakse kehtivaks ainult siis, kui k\u00f5ik selle olekud on kehtivad.<\/p>\n<p>Corda lepingud on kirjutatud igas JVM keeles (n\u00e4iteks Java, Kotlin).<\/p>\n<pre><code class=\"kotlin\">class CommercialPaper : Contract {\n    override fun verify(tx: LedgerTransaction) {\n        TODO()\n    }\n}\n<\/code><\/pre>\n<p>\nOn vajalik p\u00e4rida klassist <i>Contract<\/i> ja \u00fcletada meetod <i>verify<\/i>. Juhul, kui tehing on kehtetu, tuleb v\u00e4lja visata erand.<\/p>\n<p>Tehingute valideerimine peab olema deterministlik, st leping peab alati kas aktsepteerima v\u00f5i tagasi l\u00fckkama tehingu. Seet\u00f5ttu ei saa tehingu kehtivus s\u00f5ltuda ajast, juhuslikest numbritest, s\u00f5lmefailidest ja muudest.<\/p>\n<p>Cordas t\u00e4idetakse lepingud nii kutsutud liivakastis - veidi muudetud JVM-is, mis tagab lepingute deterministliku t\u00e4itmise. <\/p>\n<h3>Vooged<\/h3>\n<p>\nSelleks, et automatiseerida v\u00f5rgu s\u00f5lmede suhtlust, lisati voogusid.<\/p>\n<p>Voog on sammude jada, mis \u00fctleb s\u00f5lmele, kuidas teatud ledger-i v\u00e4rskendust teostada, millal tuleb tehing allkirjastada ja valideerida.<\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/f23038fa73013d5cb2b3b980cd43a326.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nM\u00f5nikord kulub tundide v\u00f5i p\u00e4evade kaupa, kuni k\u00f5ik osalised tehingu allkirjastavad ja see ledgerisse j\u00f5uab. Mis juhtub, kui keegi osalevat s\u00f5lme v\u00e4lja l\u00fclitab? Voogudel on kontrollpunktid, kuhu voogude olek salvestatakse s\u00f5lme andmebaasi. Kui s\u00f5lm taastub v\u00f5rgus, j\u00e4tkab see sealt, kus j\u00e4i.<\/p>\n<h3>Konsensus<\/h3>\n<p>\nEt j\u00f5uda ledgerisse, peab tehing saavutama 2 konsensust: kehtivuse ja unikaalsuse osas.<\/p>\n<p>Tehingu kehtivuse otsuse teevad vaid need osalised, kes on seal otseselt seotud.<\/p>\n<p>Notariaalsed s\u00f5lmed kontrollivad tehingu unikaalsust, et v\u00e4ltida kahekordset kulutamist.<\/p>\n<p>Kujutage ette, et Bob\u2019il on 100$ ja ta soovib edastada 80$ Charlie\u2019le ja 70$ Dan\u2019ile, kasutades sama sisendolekut. <\/p>\n<p><img decoding=\"async\" alt=\"Corda \u2014 avatud l\u00e4htekoodiga plokiahel \u00e4riks\" src=\"\/wp-content\/uploads\/2019\/05\/159a5b0f2a5c1e38f52d7739707efa8a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSellise triki Corda ei luba. Kuigi tehing l\u00e4bib kehtivuse kontrolli, kukub unikaalsuse kontroll l\u00e4bi. <\/p>\n<h3>Kokkuv\u00f5te<\/h3>\n<p>\nCorda platvorm, mida arendab R3 blockchain-konsortsium, ei ole puhas n\u00e4ide blockchain-tehnoloogia kasutamisest. Corda on piisavalt kitsas spetsialiseeritud t\u00f6\u00f6riist finantsorganisatsioonidele.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/452258\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Corda \u2014 \u044d\u0442\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 Ledger \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u043c\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438. \u0423 Corda \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0445\u043e\u0440\u043e\u0448\u0430\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u0441 \u0432\u0438\u0434\u0435\u043e-\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u0434\u0435\u0441\u044c. \u042f \u043f\u043e\u0441\u0442\u0430\u0440\u0430\u044e\u0441\u044c \u043a\u0440\u0430\u0442\u043a\u043e \u043e\u043f\u0438\u0441\u0430\u0442\u044c \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d Corda \u0432\u043d\u0443\u0442\u0440\u0438. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 Corda \u0438 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0435\u0433\u043e \u0441\u0440\u0435\u0434\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d\u043e\u0432: \u0423 Corda \u043d\u0435\u0442 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0432\u0430\u043b\u044e\u0442\u044b. Corda \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044e \u043c\u0430\u0439\u043d\u0438\u043d\u0433\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25536,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-33870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Corda \u2014 \u044d\u0442\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 Ledger \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u043c\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438. \u0423 Corda \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0445\u043e\u0440\u043e\u0448\u0430\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u0441 \u0432\u0438\u0434\u0435\u043e-\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u0434\u0435\u0441\u044c. \u042f \u043f\u043e\u0441\u0442\u0430\u0440\u0430\u044e\u0441\u044c \u043a\u0440\u0430\u0442\u043a\u043e \u043e\u043f\u0438\u0441\u0430\u0442\u044c \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d Corda \u0432\u043d\u0443\u0442\u0440\u0438. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 Corda \u0438 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0435\u0433\u043e \u0441\u0440\u0435\u0434\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d\u043e\u0432: \u0423 Corda \u043d\u0435\u0442 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0432\u0430\u043b\u044e\u0442\u044b. Corda \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044e \u043c\u0430\u0439\u043d\u0438\u043d\u0433\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/corda-open-source-blokchejn-dlya-biznesa\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Corda \u2014 open source \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d \u0434\u043b\u044f \u0431\u0438\u0437\u043d\u0435\u0441\u0430 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"Corda \u2014 \u044d\u0442\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 Ledger \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u043c\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438. \u0423 Corda \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0445\u043e\u0440\u043e\u0448\u0430\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u0441 \u0432\u0438\u0434\u0435\u043e-\u043b\u0435\u043a\u0446\u0438\u044f\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u0434\u0435\u0441\u044c. \u042f \u043f\u043e\u0441\u0442\u0430\u0440\u0430\u044e\u0441\u044c \u043a\u0440\u0430\u0442\u043a\u043e \u043e\u043f\u0438\u0441\u0430\u0442\u044c \u043a\u0430\u043a \u0443\u0441\u0442\u0440\u043e\u0435\u043d Corda \u0432\u043d\u0443\u0442\u0440\u0438. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 Corda \u0438 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0435\u0433\u043e \u0441\u0440\u0435\u0434\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0431\u043b\u043e\u043a\u0447\u0435\u0439\u043d\u043e\u0432: \u0423 Corda \u043d\u0435\u0442 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0432\u0430\u043b\u044e\u0442\u044b. Corda \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044e \u043c\u0430\u0439\u043d\u0438\u043d\u0433\u0430\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/corda-open-source-blokchejn-dlya-biznesa\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T18:55:08+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T18:55:08+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Corda \u2014 avatud l\u00e4htekoodiga blockchain \u00e4ri jaoks | ProHoster","description":"Corda on jaotatud pearaamat, mis salvestab, haldab ja s\u00fcnkroniseerib finantskohustusi erinevate finantsorganisatsioonide vahel. Cordal on piisavalt hea dokumentatsioon koos videoloengutega, mida saab leida siit. \u00dcritan l\u00fchidalt kirjeldada, kuidas Corda seestpoolt toimib. Vaatame Corda p\u00f5hijooni ja selle ainulaadset positsiooni teiste blockchainide seas: Cordal ei ole oma kr\u00fcptovaluutat. 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