{"description":"<div>Avalanche a &eacute;t&eacute; lanc&eacute; en 2020 par Ava Labs. Ce r&eacute;seau est compos&eacute; de trois cha&icirc;nes imbriqu&eacute;es qui garantissent l&rsquo;ex&eacute;cution d&eacute;finitive quasi instantan&eacute;e des transactions. Chaque cha&icirc;ne a un r&ocirc;le bien pr&eacute;cis : la C-Chain ex&eacute;cute les &laquo; contrats intelligents &raquo; (smart contracts), la X-Chain g&egrave;re la cr&eacute;ation et l&rsquo;&eacute;change des actifs, et la P-Chain coordonne les validations.<br /><br />Le langage officiel de programmation des contrats sur la blockchain Avalanche est Solidity, le m&ecirc;me que pour la blockchain Ethereum (cela a aid&eacute; Avalanche &agrave; s&eacute;duire les utilisateurs, les dApps d&rsquo;Ethereum pouvant &ecirc;tre int&eacute;gr&eacute;es facilement). Par ailleurs, les probl&egrave;mes de congestion du r&eacute;seau Ethereum et les co&ucirc;ts de carburant &eacute;lev&eacute;s ont profit&eacute; &agrave; Avalanche.<br /> <br />Son protocole &laquo; proof-of-stake &raquo; pr&eacute;sente des caract&eacute;ristiques uniques qui prot&egrave;gent efficacement le r&eacute;seau contre les attaques (il faudrait contr&ocirc;ler 80% du r&eacute;seau pour qu&rsquo;une attaque r&eacute;ussisse).<br /><br />Avalanche a &eacute;t&eacute; con&ccedil;u en r&eacute;action aux probl&egrave;mes d&rsquo;&eacute;volutivit&eacute; d&rsquo;&eacute;chelle d&rsquo;Ethereum.<\/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":158038547,"coingeckoId":"avalanche-2"}