{"id":4844,"date":"2020-12-09T23:33:52","date_gmt":"2020-12-09T20:33:52","guid":{"rendered":"https:\/\/alfacash.blog\/?p=4844"},"modified":"2024-02-19T21:52:42","modified_gmt":"2024-02-19T18:52:42","slug":"mik-milyen-okos-szerzodesek-minek","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/hu\/2020\/12\/09\/mik-milyen-okos-szerzodesek-minek\/","title":{"rendered":"Mi a fene az okos szerz\u0151d\u00e9sek? Egyszer\u0171 \u00fatmutat\u00f3"},"content":{"rendered":"

Val\u00f3sz\u00edn\u0171leg m\u00e1r tudja, mi a (hagyom\u00e1nyos) szerz\u0151d\u00e9s, ugye? Mindenesetre eml\u00e9kezz\u00fcnk r\u00e1. A Merriam-Webster sz\u00f3t\u00e1r szerint a szerz\u0151d\u00e9s \u201ek\u00e9t vagy t\u00f6bb szem\u00e9ly vagy f\u00e9l k\u00f6z\u00f6tti k\u00f6telez\u0151 \u00e9rv\u00e9ny\u0171 meg\u00e1llapod\u00e1s, k\u00fcl\u00f6n\u00f6sen egy jogilag v\u00e9grehajthat\u00f3\u201d. Nos, akkor mi jut el\u0151sz\u00f6r eszedbe, amikor azt mondjuk, hogy \u201eokos szerz\u0151d\u00e9sek\u201d?<\/p>\n\n\n\n

Lehet, hogy a dokumentum tableten van? Ez most robot? AI, sz\u00e1m\u00edt\u00f3g\u00e9p m\u00f6g\u00f6tt? Csak\u2026 csatlakozik az internethez? Nem pontosan. Ha m\u00e1s forr\u00e1sokat is megn\u00e9z (p\u00e9ld\u00e1ul a megb\u00edzhat\u00f3 Wikip\u00e9di\u00e1t), akkor valami hasonl\u00f3t fognak mondani az intelligens szerz\u0151d\u00e9s egy \u201edigit\u00e1lis protokoll\u201d vagy \u201esz\u00e1m\u00edt\u00f3g\u00e9pes program\u201d, amely automatikusan v\u00e9grehajtja az el\u0151re meghat\u00e1rozott felt\u00e9teleket<\/strong> amikor ezek teljes\u00fclnek.<\/p>\n\n\n\n

\"\"
K\u00e9p Gerd Altmann a Pixabayb\u0151l<\/figcaption><\/figure><\/div>\n\n\n\n

Sz\u00e9p, mi\u2026? \u00c9s mi a fen\u00e9t jelent ez? Nos, ezt \u00edgy is megmagyar\u00e1zhatjuk: az okos szerz\u0151d\u00e9s nem \u00e9rhet\u0151 el, vagy ak\u00e1r megfelel\u0151en is l\u00e1that\u00f3. T\u00f6bbnyire csak az eredm\u00e9nyeket fogja l\u00e1tni, hasonl\u00f3an a TV -n bel\u00fcli vezet\u00e9kekhez. A k\u00fcl\u00f6nbs\u00e9g ez\u00fattal az, hogy ezek az eredm\u00e9nyek teljesen digit\u00e1lisak, mivel egy digit\u00e1lis meg\u00e1llapod\u00e1son alapul blokkl\u00e1nc<\/a>, sz\u00e1m\u00edt\u00e1si k\u00f3ddal \u00edrva, hogy \u00e9rv\u00e9nyes\u00edts\u00e9k a felek \u00e1ltal kor\u00e1bban meg\u00e1llap\u00edtott felt\u00e9teleket. Gondolhat \u00fagy, mint egy automatikus szerz\u0151d\u00e9sre vagy garanci\u00e1ra, amelyhez nincs sz\u00fcks\u00e9g pap\u00edrra, \u00fcgyv\u00e9dre, k\u00f6zjegyz\u0151re vagy \u00e1ltal\u00e1ban k\u00f6zvet\u00edt\u0151re.<\/p>\n\n\n\n

Sz\u00f3val\u2026 hogyan m\u0171k\u00f6dnek az intelligens szerz\u0151d\u00e9sek az \u00e1tlagos sr\u00e1cn\u00e1l?<\/strong><\/h2>\n\n\n\n

A r\u00f6vid v\u00e1lasz a digit\u00e1lis alkalmaz\u00e1sok vagy eszk\u00f6z\u00f6k haszn\u00e1lata. Ha nem tudja, hogyan kell k\u00f3dot \u00edrni (p\u00e9ld\u00e1ul fejleszt\u0151k vagy sz\u00e1m\u00edt\u00f3g\u00e9pes m\u00e9rn\u00f6k\u00f6k), akkor nem \u00d6n lesz a felel\u0151s azok l\u00e9trehoz\u00e1s\u00e1\u00e9rt, ez\u00e9rt ne agg\u00f3djon. Hagyja ezt a feladatot a szak\u00e9rt\u0151kre. Ezek haszn\u00e1lat\u00e1hoz csak ki kell v\u00e1lasztania egy intelligens szerz\u0151d\u00e9sen alapul\u00f3 alkalmaz\u00e1st (\u00e1ltal\u00e1ban decentraliz\u00e1lt alkalmaz\u00e1sokat) vagy platformot<\/strong> \u00e9s menjen vele eszk\u00f6z\u00e9re (mobil vagy asztali sz\u00e1m\u00edt\u00f3g\u00e9p).<\/p>\n\n\n\n

Besz\u00e9lhet\u00fcnk egy kicsit az okos szerz\u0151d\u00e9s bels\u0151 m\u0171k\u00f6d\u00e9s\u00e9r\u0151l. El\u0151sz\u00f6r is n\u00e9zz\u00fcnk meg egy k\u00e9pet, hogy megmutassuk, hogyan n\u00e9znek ki bel\u00fclr\u0151l. Spoiler: valahogy unalmas. Ez csak egy csom\u00f3 k\u00f3d.<\/p>\n\n\n\n

\"\"
Intelligens szerz\u0151d\u00e9ses p\u00e9lda. Forr\u00e1s: Ethereum.org<\/figcaption><\/figure><\/div>\n\n\n\n

Ellen\u0151rizhetj\u00fck adataikat a blokkl\u00e1nc felfedez\u0151<\/a> (hozz\u00e1f\u00e9rhet\u0151 weboldal), persze, ha nyilv\u00e1nos. A bankok intelligens szerz\u0151d\u00e9sekkel fejlesztik saj\u00e1t alkalmaz\u00e1saikat, teh\u00e1t ezek nem nyilv\u00e1nosak. De ellen\u0151rizhet\u00fcnk p\u00e9ld\u00e1ul egy \u00e1tlagos szerz\u0151d\u00e9st Ethereum -n.<\/p>\n\n\n\n

\"\"
P\u00e9lda az intelligens szerz\u0151d\u00e9s nyilv\u00e1nos adataira. Forr\u00e1s: Etherscan<\/figcaption><\/figure><\/div>\n\n\n\n

Itt felfedez\u00fcnk egy fontos dolgot az intelligens szerz\u0151d\u00e9sekr\u0151l. A k\u00f3don k\u00edv\u00fcl tranzakci\u00f3kb\u00f3l \u00e9s p\u00e9nzbeli egyenlegb\u0151l \u00e1llnak. <\/strong>Ez azonban nem jelenti azt, hogy az egyetlen felhaszn\u00e1l\u00e1snak p\u00e9nz\u00fcgyi jelleg\u0171nek kell lennie: a tranzakci\u00f3k csak inform\u00e1ci\u00f3t is jelenthetnek. Ami az egyens\u00falyt illeti, az igazs\u00e1g az, hogy a decentraliz\u00e1lt intelligens szerz\u0151d\u00e9sek bizonyos d\u00edjakat ig\u00e9nyelnek a m\u0171k\u00f6d\u00e9s\u00e9rt (\u00e1ltal\u00e1ban kriptovalut\u00e1k form\u00e1j\u00e1ban), amelyek a b\u00e1ny\u00e1szok vagy \u00e9rv\u00e9nyes\u00edt\u0151k<\/a> a blokkl\u00e1ncb\u00f3l.<\/p>\n\n\n\n

A folyamat olyan, mint\u2026<\/strong><\/h2>\n\n\n\n

Az Ethereum -n bel\u00fcl p\u00e9ld\u00e1ul a szerz\u0151d\u00e9s csak m\u00e1sfajta c\u00edm<\/a> (p\u00e9nzt\u00e1rca\/sz\u00e1mla), egyenleggel \u00e9s tranzakci\u00f3kkal. De ez egyfajta kollekt\u00edv c\u00edm, amelyet \u00fagy terveztek, hogy hidk\u00e9nt m\u0171k\u00f6dj\u00f6n k\u00e9t vagy t\u00f6bb f\u00e9l k\u00f6z\u00f6tt, el\u0151re meghat\u00e1rozott felt\u00e9telekkel. Ez\u00e9rt ezt a c\u00edmet nem csak egy felhaszn\u00e1l\u00f3 ir\u00e1ny\u00edtja, hanem saj\u00e1t, el\u0151re meg\u00e1llap\u00edtott felt\u00e9telei, amelyeket a teljes Ethereum h\u00e1l\u00f3zat \u00e9rv\u00e9nyes\u00edt.<\/p>\n\n\n\n

Ennek a c\u00edmnek a kiv\u00e1lt\u00f3 oka, hogy valamit tegyen (p\u00e9ld\u00e1ul automatikus p\u00e9nzforgalmat), a felek \u00e1ltal v\u00e1rt esem\u00e9ny<\/strong>. Ez lehet \u00e9rt\u00e9kes\u00edt\u00e9s, fizet\u00e9si d\u00e1tum, nyilv\u00e1ntart\u00e1s valamir\u0151l, \u00faj term\u00e9k online, \u00e1rv\u00e1ltoz\u00e1s<\/a>, egy szavaz\u00e1s, vagy ak\u00e1r a sporteredm\u00e9nyek.<\/p>\n\n\n\n

\"\"
K\u00e9p kinkate a Pixabay -b\u0151l<\/figcaption><\/figure><\/div>\n\n\n\n

A szerz\u0151d\u00e9s az \u00e9rintett felek vagy egy \u201eor\u00e1kulum\u201d (k\u00fcls\u0151 forr\u00e1sokat konzult\u00e1l\u00f3 szoftver) \u00e1ltal szolg\u00e1ltatott inform\u00e1ci\u00f3kra terjed ki, \u00e9s ennek megfelel\u0151en j\u00e1r el az el\u0151re meghat\u00e1rozott felt\u00e9teleknek megfelel\u0151en.<\/p>\n\n\n\n

\u00d6sszefoglalva, ez a folyamat:<\/strong><\/p>\n\n\n\n

1. A felek t\u00e1rgyalnak a szerz\u0151d\u00e9s felt\u00e9teleir\u0151l (vagy a v\u00e1llalat\/fejleszt\u0151 nyilv\u00e1noss\u00e1gra hozza azokat mindenki sz\u00e1m\u00e1ra, aki csatlakozni szeretne).
2. A fejleszt\u0151 fel\u00e9p\u00edti a protokollt egy kiv\u00e1lasztott blokkl\u00e1ncban (Ethereum<\/a>, EOS, Tron, Cardano, RSK stb.), Az elfogadott felt\u00e9telek szerint.
3. A szerz\u0151d\u00e9s \u00e9s annak felt\u00e9telei az ilyen blokkl\u00e1nc egy c\u00edm\u00e9n bel\u00fcl jelennek meg.
4. Az esem\u00e9ny megt\u00f6rt\u00e9nik.
5. A szerz\u0151d\u00e9s a tranzakci\u00f3kat az eml\u00edtett esem\u00e9ny eredm\u00e9ny\u00e9nek megfelel\u0151en v\u00e9gzi.<\/p>\n\n\n\n


Alice \u00e9s Bob okos szerz\u0151d\u00e9seket alkalmaztak<\/strong><\/h2>\n\n\n\n

Term\u00e9szetesen sz\u00fcks\u00e9g\u00fcnk van egy klasszikus p\u00e9ld\u00e1ra Alice \u00e9s Bob eset\u00e9ben. Tegy\u00fck fel, hogy Alice $500 -at fog fogadni Bobgal a Bitcoin \u00e1r<\/a> a k\u00f6vetkez\u0151 h\u00e9tv\u00e9g\u00e9re. Bob azt hiszi, hogy ak\u00e1r X doll\u00e1r is lehet, m\u00edg Alice szerint X doll\u00e1r lesz.<\/p>\n\n\n\n

Ez\u00e9rt \u00fagy d\u00f6ntenek, hogy intelligens szerz\u0151d\u00e9st k\u00f6tnek (egy fejleszt\u0151h\u00f6z vagy egy platformhoz, mint szolg\u00e1ltat\u00e1shoz), \u00e9s meghat\u00e1rozz\u00e1k a felt\u00e9teleket. Az alapokat ($500) a szerz\u0151d\u00e9shez kriptovalut\u00e1ban helyezik el,<\/strong> \u00e9s ha az Bitcoin \u00e1ra X -re emelkedik a k\u00f6vetkez\u0151 h\u00e9tv\u00e9g\u00e9n, a szerz\u0151d\u00e9s automatikusan \u00e1tutalja az \u00f6sszeget Bobnak. Ha az \u00e1ra Bitcoin<\/a> lemegy X, a p\u00e9nzeszk\u00f6z\u00f6k Alice c\u00edm\u00e9re mennek. \u00c9s ez az.<\/p>\n\n\n\n

\"Bitcoin-15000-bull-run\"<\/figure><\/div>\n\n\n\n

Most egy m\u00e1sik helyzet, ez\u00fattal valamilyen t\u00e1rgyak internete (IoT). Alice ki akarja b\u00e9relni a h\u00e1z\u00e1t Bobnak, \u00e9s el\u0151nye egy be\u00e9p\u00edtett intelligens z\u00e1r, amely digit\u00e1lisan vez\u00e9relhet\u0151 az ajt\u00f3 kinyit\u00e1s\u00e1hoz \u00e9s bez\u00e1r\u00e1s\u00e1hoz. Teh\u00e1t okos szerz\u0151d\u00e9st k\u00f6tnek, \u00e9s meghat\u00e1rozz\u00e1k ezeket a felt\u00e9teleket: Bob havonta X doll\u00e1rt fizet kriptovalut\u00e1ban.<\/p>\n\n\n\n

Ha k\u00e9t h\u00f3napig nem teszi meg, a szerz\u0151d\u00e9s elrendeli az intelligens z\u00e1rat, hogy az ajt\u00f3t (\u00e9s a h\u00e1z bej\u00e1rat\u00e1t) z\u00e1rva tartsa.<\/strong> \u00cdgy Alice biztos\u00edtja, hogy megfelel\u0151en fogadja a megbesz\u00e9lt sz\u00e1mot, \u00e9s Bobnak nem kell t\u00f6bb dokumentumot vagy kell\u00e9ket gy\u0171jtenie Alice sz\u00e1m\u00e1ra.<\/p>\n\n\n\n

\u00c9s h\u00e1t v\u00e9g\u00fcl is ez egyfajta szerz\u0151d\u00e9s. A k\u00e9pzelet szab hat\u00e1rt.<\/p>\n\n\n\n

Az intelligens szerz\u0151d\u00e9sek n\u00e9h\u00e1ny n\u00e9pszer\u0171 felhaszn\u00e1l\u00e1si m\u00f3dja<\/strong><\/h2>\n\n\n\n

M\u00e1r t\u00f6bb sz\u00e1z okos szerz\u0151d\u00e9ses alkalmaz\u00e1s l\u00e9tezik, sok kateg\u00f3ri\u00e1val \u00e9s funkci\u00f3val. T\u0151zsd\u00e9k, szerencsej\u00e1t\u00e9kok, j\u00e1t\u00e9kok, befektet\u00e9sek, ingatlan\u00fcgyek, eg\u00e9szs\u00e9g\u00fcgy, piacterek, k\u00f6zv\u00e9lem\u00e9ny -kutat\u00e1sok\u2026 mind intelligens szerz\u0151d\u00e9sekkel dolgoznak.<\/p>\n\n\n\n

Tal\u00e1n n\u00e9h\u00e1ny ilyen Dapp (amelyek \u00f6nmagukban nem okos szerz\u0151d\u00e9sek, de egy\u00fcttm\u0171k\u00f6dnek vel\u00fck), harangozhat. CryptoKitties (gy\u0171jthet\u0151), Uniswap (csere), Arag\u00f3nia (korm\u00e1nyz\u00e1s), District0x (piacterek \u00e9s k\u00f6z\u00f6ss\u00e9gek), Augur (el\u0151rejelz\u0151 piac), Synthetix (szintetikus eszk\u00f6z\u00f6kh\u00f6z), Axie Infinity (j\u00e1t\u00e9kok), Grid+ (energia) \u00e9s Actifit (eg\u00e9szs\u00e9g\u00fcgy) csak p\u00e9ld\u00e1k. Alapj\u00e1n A Dapps \u00e1llam<\/a>, t\u00f6bb mint 2500 -an vannak.<\/strong><\/p>\n\n\n\n

\"\"
K\u00e9p Edar a Pixabay -b\u0151l<\/figcaption><\/figure><\/div>\n\n\n\n

\u00c9s tudod, mi m\u00e1s m\u0171k\u00f6dik ezekkel a szerz\u0151d\u00e9sekkel? Az eg\u00e9sz Decentraliz\u00e1lt p\u00e9nz\u00fcgyek (DeFi)<\/a> \u00f6kosziszt\u00e9ma, manaps\u00e1g fellend\u00fcl\u00e9s. Sok befektet\u00e9si eszk\u00f6zt tal\u00e1lunk (pl term\u00e9sgazd\u00e1lkod\u00e1s<\/a>, t\u00f6bbnyire), k\u00f6lcs\u00f6n\u00f6k, biztos\u00edt\u00e1sok, megtakar\u00edt\u00e1sok stb. Az olyan platformok, mint a Yearn Finance, Compound, UMA, Maker, Curve \u00e9s Pickle Finance<\/a> ebbe a kateg\u00f3ri\u00e1ba tartoznak.<\/p>\n\n\n\n

Ezen k\u00edv\u00fcl olyan bankok \u00e9s v\u00e1llalatok, mint a BBVA, Bankia, Sabadell, CaixaBank, IBM, Microsoft, Google, Ernst & Young, S7 Airlines, BitGive<\/a>, A Money on Chain \u00e9s a OneSmart City vagy intelligens szerz\u0151d\u00e9seket tesztel, hogy jav\u00edtsa szolg\u00e1ltat\u00e1sait, vagy m\u00e1r haszn\u00e1lja \u0151ket k\u00fcl\u00f6nb\u00f6z\u0151 alkalmaz\u00e1sokban. Teh\u00e1t, mint l\u00e1thatja, m\u00e1r tele vagyunk ezekkel a szerz\u0151d\u00e9sekkel.<\/p>\n\n\n\n

\n\n\n\n

Szeretne kereskedni BTC-vel, ETH-val \u00e9s m\u00e1s tokenekkel? Meg tudod csin\u00e1lni<\/em>\u00a0biztons\u00e1gosan\u00a0az Alfacash-n<\/a>! \u00c9s ne felejtsd el, hogy err\u0151l \u00e9s m\u00e9g sok minden m\u00e1sr\u00f3l besz\u00e9l\u00fcnk a k\u00f6z\u00f6ss\u00e9gi m\u00e9di\u00e1ban.

<\/em>Twitter<\/a>\u00a0*\u00a0T\u00e1virat<\/a>\u00a0*\u00a0Instagram<\/a> * Youtube<\/a>\u00a0*Facebook<\/a>\u00a0\u00a0*\u00a0Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Az intelligens szerz\u0151d\u00e9sek tr\u00fckk\u00f6s kifejez\u00e9snek t\u0171nnek, k\u00fcl\u00f6n\u00f6sen akkor, ha meg akarj\u00e1k magyar\u00e1zni. N\u00e9zz\u00fck meg az egyszer\u0171 le\u00edr\u00e1st \u00e9s felhaszn\u00e1l\u00e1st.<\/p>","protected":false},"author":5,"featured_media":4848,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[48],"tags":[86,61,44,84,107,199],"class_list":{"0":"post-4844","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-learn","8":"tag-blockchain","9":"tag-cryptocurrencies","10":"tag-decentralization","11":"tag-defi","12":"tag-ethereum","13":"tag-smart-contracts"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/12\/Smart-contracts-Guide-Alfacash.png","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/hu\/author\/isabel\/"},"yoast_head":"\nWhat on earth are smart contracts? An easy guide - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"Smart contracts sound like a tricky term, especially when they're trying to explain it. Let's check an easy description and uses.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alfacash.blog\/hu\/2020\/12\/09\/mik-milyen-okos-szerzodesek-minek\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What on earth are smart contracts? An easy guide\" \/>\n<meta property=\"og:description\" content=\"Smart contracts sound like a tricky term, especially when they're trying to explain it. 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