{"id":31714,"date":"2019-07-15T13:13:00","date_gmt":"2019-07-15T13:13:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=31714"},"modified":"2023-06-26T11:07:37","modified_gmt":"2023-06-26T11:07:37","slug":"buterin-s-ethereum-bitcoin-cash-scalability-solution-draws-c-3894","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/buterin-s-ethereum-bitcoin-cash-scalability-solution-draws-c-3894\/","title":{"rendered":"La solution de scalabilit\u00e9 \u00abEthereum + Bitcoin Cash\u00bb de Buterin suscite les critiques"},"content":{"rendered":"<p>Une nouvelle solution concernant la scalabilit&eacute; d&rsquo;Ethereum, qui utiliserait la blockchain Bitcoin Cash (BCH) comme couche de donn&eacute;es propos&eacute;e par le cofondateur d&rsquo;Ethereum, <b>Vitalik Buterin<\/b>, a suscit&eacute; de nombreuses critiques.<\/p><figure><img decoding=\"async\" src=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5d2\/c54626a78c.jpg\" sizes=\"(min-width: 640px) 720px, 100vw\" srcset=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5d2\/c54626a78c.jpg 300w, https:\/\/cimg.co\/w\/articles-attachments\/2\/5d2\/c54626a78c.jpg 600w, https:\/\/cimg.co\/w\/articles-attachments\/3\/5d2\/c54626a78c.jpg 720w, https:\/\/cimg.co\/w\/articles-attachments\/4\/5d2\/c54626a78c.jpg 900w\" alt=\"\" class=\"content-img\"><figcaption>Vitalik Buterin, co-fondateur d&rsquo;Ethereum. Source: une capture d&rsquo;&eacute;cran, edit&eacute;e par Cryptonews.com <\/figcaption><\/figure><p>Buterin <a href=\"https:\/\/ethresear.ch\/t\/bitcoin-cash-a-short-term-data-availability-layer-for-ethereum\/5735\">trouve<\/a> qu&#8217;il existe un certain nombre de solutions pour la scalabilit&eacute; si des techniques utilisant une couche de calcul non &eacute;volutive, c&#8217;est-&agrave;-dire une cha&icirc;ne Ethereum suffisante, ainsi qu&#8217;une couche de donn&eacute;es &eacute;volutives sont utilis&eacute;es, lesquelles utilisent des techniques de calcul interactives pour calculer l&#8217;&eacute;tat du c&ocirc;t&eacute; Ethereum. Celles-ci reposent sur la v&eacute;rification de la disponibilit&eacute; des donn&eacute;es fournies par la couche de donn&eacute;es, qui permet de d&eacute;tecter et de sanctionner les fausses soumissions. &laquo;On pourrait utiliser des techniques comme celle-ci pour cr&eacute;er un syst&egrave;me de type EVM  [Ethereum Virtual Machine] a d&eacute;clar&eacute; Buterin.<\/p><p>La couche de donn&eacute;es &eacute;volutive devrait &ecirc;tre &agrave; long terme Ethereum 2.0, &laquo;car son d&eacute;bit de donn&eacute;es pr&eacute;vu de 10 Mo \/ s&rsquo;est beaucoup plus &eacute;lev&eacute; que celui de toute cha&icirc;ne de blocs existante&raquo;, mais &agrave; plus court terme, comme la couche de donn&eacute;es, Buterin propose d&rsquo;utiliser les blockchains existantes, en particulier celles dont les frais de transaction par octet sont inf&eacute;rieurs &agrave; Ethereum. Il a donn&eacute; quatre raisons pour lesquelles Bitcoin Cash est &#8220;la solution id&eacute;ale&#8221;:<\/p><ol type=\"1\"><li>D&eacute;bit de donn&eacute;es &eacute;lev&eacute;: 32 Mo par 600 secondes contre Ethereum ~ 8 Ko par seconde.<\/li><li>Frais tr&egrave;s bas, la blockchain Bitcoin serait trop ch&egrave;re.<\/li><li>La machine n&eacute;cessaire pour v&eacute;rifier les blocs Bitcoin Cash dans Ethereum existe d&eacute;j&agrave;, mais la v&eacute;rification des blocs BCH est &eacute;galement moins ch&egrave;re par rapport &agrave;, par exemple, Ethereum Classic.<\/li><li>La communaut&eacute; BCH &#8220;semble &ecirc;tre amicale avec les gens&#8221; qui utilisent leur cha&icirc;ne comme bon leur semble tant qu&#8217;ils paient les frais de transaction.<\/li><\/ol><p>Vitalik explique que la principale faiblesse de la cha&icirc;ne BCH r&eacute;side dans le temps de 10 minutes pour la cr&eacute;ation d&rsquo;un bloc, mais la communaut&eacute; BCH est tr&egrave;s int&eacute;ress&eacute;e par le renforcement des paiements sans confirmation avec des techniques qui pourraient devenir &laquo;robustes pour &eacute;viter le ph&eacute;nom&egrave;ne de double d&eacute;pense&raquo;.<\/p><p>Cependant, certaines personnes ont exprim&eacute; leur insatisfaction &agrave; ce sujet en ligne. <b>Andre Neves<\/b>, r&eacute;dacteur en chef de Komenco Blog et Lightwork, cite Buterin qui affirme que la principale faiblesse de la cha&icirc;ne BCH est le temps de cr&eacute;ation de blocs aux 10 minutes. Il lui demande &ldquo;Et qu&rsquo;en est-il du faible hashrate? Des autorit&eacute;s centrales de contr&ocirc;le? Des blocs extr&ecirc;mement grands qui conduisent &agrave; des r&eacute;organisations constantes?&rdquo;.<\/p><p><b>Erik Wall<\/b>, conseiller technique en protection de la vie priv&eacute;e &agrave; la <b>Fondation pour les droits de l&#8217;homme<\/b>, qui avait pr&eacute;c&eacute;demment construit des plateformes de cha&icirc;nes de blocs et d&#8217;&eacute;change de cryptomonnaie chez <b>Cinnober<\/b>, fournisseur mondial de technologie financi&egrave;re, d&eacute;tenu par un op&eacute;rateur boursier <b>Nasdaq<\/b>, ajoute: &#8220;Euhh Vitalik Buterin, qu&#8217;en est-il de la faiblesse selon laquelle il peut &ecirc;tre attaqu&eacute; &agrave; 51% &agrave; lui seul par la plupart des pools de BTC?&#8221;.<\/p><p>Certains vont m&ecirc;me jusqu&#8217;&agrave; pr&eacute;dire un destin fatal pour Ethereum et BCH.<\/p><oembed url=\"https:\/\/twitter.com\/FedericoTenga\/status\/1150476813807816708?ref_src=twsrc%5Etfw\"><\/oembed><oembed url=\"https:\/\/twitter.com\/francispouliot_\/status\/1150584831799123968?ref_src=twsrc%5Etfw\"><\/oembed><oembed url=\"https:\/\/twitter.com\/notgrubles\/status\/1150484947095969793?ref_src=twsrc%5Etfw\"><\/oembed><p>&Agrave; 10h19 UTC, l&rsquo;Ether se n&eacute;gocie &agrave; 227 USD et est en baisse de pr&egrave;s de 8% au cours des derni&egrave;res 24 heures et de plus de 26% la semaine derni&egrave;re.<\/p><p>_________________________________<\/p><p>Suivez nos liens d&#8217;affili&eacute;s pour:<\/p><p><b>Acheter des cryptomonnaies<\/b><\/p><ul><li>Sur <a href=\"https:\/\/www.coinhouse.com\/r\/179207\" target=\"_blank\" rel=\"noopener\">Coinhouse<\/a> (Zone SEPA Europe et citoyens fran&ccedil;ais).<\/li><li>Sur <a href=\"https:\/\/switchere.com\/?r=2bnixyqq70a2\" target=\"_blank\" rel=\"noopener\">Switchere<\/a> (Achat direct par carte de cr&eacute;dit, sauf au Canada) <\/li><li>Sur <a href=\"https:\/\/rapi.cryptonews.com\/ext\/bitbuy\/fr\" target=\"_blank\" rel=\"noopener sponsored nofollow\">BitBuy<\/a> (Uniquement au Canada).<\/li><li>Sur <a href=\"https:\/\/www.bcbitcoin.co.uk\/?ref=CryptoNewsFR\" target=\"_blank\" rel=\"noopener\">BC Bitcoin<\/a> (Europe, Canada).<\/li><li>Sur <a href=\"https:\/\/content.etoro.com\/lp\/new-crypto\/?dl=30002065&amp;culture=fr-fr&amp;utm_medium=Affiliate&amp;utm_source=80205&amp;utm_content=10545&amp;utm_serial=cn-fr&amp;utm_campaign=cn-fr&amp;utm_term=\" target=\"_blank\" rel=\"noopener\">eToro<\/a> (Sauf au Canada).<\/li><\/ul><p><b>S&eacute;curiser vos cryptomonnaies<\/b><\/p><ul><li>Portefeuille <a href=\"https:\/\/shop.ledger.com\/?r=12b53b98a1c0&amp;tracker=CN-FR\" target=\"_blank\" rel=\"noopener\">Ledger<\/a> ou Portefeuille <a href=\"https:\/\/cryptonews.com\/ext\/trezor\/\" target=\"_blank\" rel=\"nofollow noopener\">Trezor<\/a>.<\/li><\/ul><p><b>Payer toutes vos factures ou envoyer de l&#8217;argent vers votre banque<\/b><\/p><ul><li><a href=\"https:\/\/bylls.com\/signup?referralcode=4e4538be3e456adefeeb9544f1d5dbb9de98154111\" target=\"_blank\" rel=\"noopener\">Bylls<\/a> (Disponible uniquement au Canada).<\/li><\/ul><p><b>Accumuler des cryptos en jouant au poker<\/b><\/p><ul><li><a href=\"https:\/\/coinpoker.com\/crypto\" target=\"_blank\" rel=\"noopener\">CoinPoker<\/a>.<\/li><\/ul><p>________________<\/p>","protected":false},"excerpt":{"rendered":"<p>Une nouvelle solution concernant la scalabilit&eacute; d&rsquo;Ethereum, qui utiliserait la blockchain Bitcoin Cash (BCH) comme couche de donn&eacute;es propos&eacute;e par le cofondateur d&rsquo;Ethereum, Vitalik Buterin, a suscit&eacute; de nombreuses critiques.Vitalik Buterin, co-fondateur d&rsquo;Ethereum. Source: une capture d&rsquo;&eacute;cran, edit&eacute;e par Cryptonews.com Buterin trouve qu&#8217;il existe un certain nombre de solutions pour la scalabilit&eacute; si des techniques [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,1],"tags":[154,51,466,49],"editors":[2550],"sponsored_companies":[],"class_list":["post-31714","post","type-post","status-publish","format-standard","hentry","category-ethereum-news","category-news","tag-bitcoin-cash","tag-ethereum","tag-scalabilite","tag-vitalik-buterin","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La solution de scalabilit\u00e9 \u00abEthereum + Bitcoin Cash\u00bb de Buterin suscite les critiques<\/title>\n<meta name=\"description\" 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