{"description":"<div>\n<p>Fond&eacute; en 2017 par SmartContract, Chainlink est un r&eacute;seau d&eacute;centralis&eacute; de n&oelig;uds connectifs (&laquo;&nbsp;nodes&nbsp;&raquo;) qui fournissent des donn&eacute;es et des informations provenant de sources hors-blockchain &agrave; des contrats intelligents, via des &laquo;&nbsp;oracles&nbsp;&raquo;. Un oracle est un logiciel agissant comme interm&eacute;diaire entre les contrats intelligents et les fournisseurs de donn&eacute;es hors-blockchain.<\/p>\n<p>Relier les informations ext&eacute;rieures aux contrats intelligents est indispensable au diverses applications (&laquo;&nbsp;use-cases&nbsp;&raquo;) des contrats intelligents et des blockchains. Le d&eacute;fi consistant &agrave; transf&eacute;rer des informations hors-blockchain (p.ex. donn&eacute;es financi&egrave;res) sur la blockchain d&rsquo;une mani&egrave;re fiable et fond&eacute;e le moins possible sur la confiance &ndash; le &laquo;&nbsp;probl&egrave;me des oracles&nbsp;&raquo;&nbsp;&ndash; &eacute;tait consid&eacute;r&eacute; comme irr&eacute;solu avant la cr&eacute;ation de Chainlink.<\/p>\n<p>Le jeton de Chainlink (le &laquo;&nbsp;link&nbsp;&raquo;, ou lien) est un jeton ERC-20 bas&eacute; sur Ethereum, utilis&eacute; pour payer pour l&rsquo;usage des n&oelig;uds Chainlink qui fournissent les donn&eacute;es hors-blockchain aux contrats intelligents.<\/p>\n<p>Chainlink permet &agrave; ceux-ci de se connecter avec le monde &laquo;&nbsp;ext&eacute;rieur&nbsp;&raquo; en fournissant des intrants et extrants fiables et s&eacute;curis&eacute;s pour les contrats complexes, sur n&rsquo;importe quelle blockchain.<\/p>\n<\/div>","rankedCrypto":[{"coingeckoId":"polkadot","sortingRank":5},{"coingeckoId":"chiliz","sortingRank":3},{"coingeckoId":"apecoin","sortingRank":2},{"coingeckoId":"decentraland","sortingRank":1},{"coingeckoId":"internet-computer","sortingRank":0}],"cryptoCategories":{"Decentralized Finance (DeFi)":["uniswap","compound-governance-token","aave","lido-dao"],"Entertainment":["decentraland","chiliz","axie-infinity","apecoin","immutable-x"],"Devise":["stellar","ripple","litecoin","dogecoin","bitcoin-cash","bitcoin"],"Smart Contracts":["polygon-ecosystem-token","tezos","solana","polkadot","ethereum","cosmos","cardano","avalanche-2","algorand","hedera-hashgraph"],"Computing":["filecoin","chainlink","render-token","the-graph"]},"region":["CH","DE"],"sophisId":139217724,"coingeckoId":"chainlink"}