{"id":116759,"date":"2023-10-15T14:31:56","date_gmt":"2023-10-15T14:31:56","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=116759"},"modified":"2023-10-16T12:14:55","modified_gmt":"2023-10-16T12:14:55","slug":"ce-quil-faut-savoir-prochaine-mise-jour-dethereum-cancun-deneb","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/ce-quil-faut-savoir-prochaine-mise-jour-dethereum-cancun-deneb\/","title":{"rendered":"Tout ce qu&rsquo;il faut savoir sur la prochaine mise \u00e0 jour d&rsquo;Ethereum, Cancun-Deneb"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-116592 size-full\" src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/10\/mise-a-jour-ethereum.jpg\" alt=\"mise-a-jour-ethereum\" width=\"1260\" height=\"630\" srcset=\"https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/mise-a-jour-ethereum.jpg 1260w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/mise-a-jour-ethereum-300x150.jpg 300w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/mise-a-jour-ethereum-1024x512.jpg 1024w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/mise-a-jour-ethereum-768x384.jpg 768w\" sizes=\"auto, (max-width: 1260px) 100vw, 1260px\"><\/p><p>Apr&egrave;s Shanghai, <strong>Cancun-Deneb<\/strong> (Dencun) est la prochaine mise &agrave; niveau majeure de la blockchain <a href=\"https:\/\/cryptonews.com\/fr\/guides\/5-reasons-why-your-business-should-accept-ethereum\/\">Ethereum<\/a>. Cette mise &agrave; niveau vise &agrave; am&eacute;liorer l&rsquo;&eacute;volutivit&eacute;, la s&eacute;curit&eacute; et la disponibilit&eacute; des donn&eacute;es du r&eacute;seau. <strong>Une caract&eacute;ristique essentielle de Dencun est l&rsquo;introduction du Proto-Danksharding, avant la transition vers le Danksharding complet<\/strong>. Cette mise &agrave; niveau jette les bases des d&eacute;veloppements futurs du r&eacute;seau Ethereum qui lui permettront de devenir une plateforme de transaction mondiale.\n<\/p><h2><strong>Les principales propositions d&rsquo;am&eacute;lioration incluses dans Dencun<span class=\"Apple-converted-space\">&nbsp;<\/span><\/strong><\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nLes frais de transaction continuent d&rsquo;&ecirc;tre un obstacle important pour les nouveaux utilisateurs et applications d&rsquo;<a href=\"https:\/\/cryptonews.com\/fr\/guides\/3-methods-to-buy-ethereum-with-paypal-instantly\/\">Ethereum<\/a>. Les analystes estiment que les rollups sont la meilleure solution de mise &agrave; l&rsquo;&eacute;chelle sans tiers de confiance pour la blockchain. La prochaine mise &agrave; niveau d&rsquo;Ethereum comprend deux &eacute;l&eacute;ments : <strong>Deneb, qui se concentre sur la couche de consensus<\/strong>, et <strong>Cancun, qui cible la couche d&rsquo;ex&eacute;cution<\/strong>. Les propositions d&rsquo;am&eacute;lioration les plus importantes comprises dans Cancun sont les suivantes :\n<\/p><ul>\n<li>L&rsquo;<strong>EIP-4844<\/strong>&nbsp;qui pr&eacute;pare la mise en &oelig;uvre compl&egrave;te de Danksharding : cette proposition contribuera &agrave; <strong>faciliter une transition vers les rollups &agrave; l&rsquo;&eacute;chelle de l&rsquo;&eacute;cosyst&egrave;me<\/strong> ;<\/li>\n<li>L&rsquo;<strong>EIP-1153<\/strong>&nbsp;qui r&eacute;duit le co&ucirc;t du stockage de donn&eacute;es en cha&icirc;ne, en optimisant l&rsquo;espace des blocs ;<\/li>\n<li>L&rsquo;<strong>EIP-4788<\/strong>&nbsp;qui am&eacute;liore la structure des ponts inter-cha&icirc;nes et des pools de participation ;<\/li>\n<li>L&rsquo;<strong>EIP-5656<\/strong> qui introduit des modifications mineures du code dans la machine virtuelle Ethereum (EVM) ;<span class=\"Apple-converted-space\">&nbsp;<\/span><\/li>\n<li>L&rsquo;<strong>EIP-6780<\/strong>&nbsp;qui supprime SELFDESTRUCT, un code susceptible de mettre fin aux contrats intelligents.<\/li>\n<\/ul><h2><strong>Le Danksharding, la base future du d&eacute;veloppement d&rsquo;Ethereum<\/strong><\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nLe <em>sharding<\/em> est un m&eacute;canisme utilis&eacute; pour am&eacute;liorer la capacit&eacute; et les performances d&rsquo;un r&eacute;seau blockchain. Il divise le r&eacute;seau en unit&eacute;s plus petites, appel&eacute;es &laquo; fragments &raquo; (<em>shards<\/em>), capables de traiter les transactions de mani&egrave;re ind&eacute;pendante. Ce traitement parall&egrave;le augmente consid&eacute;rablement l&rsquo;efficacit&eacute; du r&eacute;seau, en r&eacute;duisant la congestion et par extension, les frais de gaz.<\/p><p>Le <em>Danksharding<\/em> est la <strong>proposition de conception actuelle pour la mise en oeuvre du sharding sur Ethereum<\/strong>. Il met l&rsquo;accent sur l&rsquo;am&eacute;lioration de la disponibilit&eacute; des donn&eacute;es pour les rollups au lieu d&rsquo;augmenter l&rsquo;espace de bloc pour les transactions. Pour cela, ce m&eacute;canisme se base sur des <em>blobs<\/em>, un type de donn&eacute;es qui permet d&rsquo;enregistrer des fichiers binaires. Les informations contenues dans les blobs sont automatiquement supprim&eacute;es apr&egrave;s une p&eacute;riode d&eacute;termin&eacute;e (g&eacute;n&eacute;ralement un &agrave; trois mois). Elles sont donc inaccessibles &agrave; la machine virtuelle Ethereum (EVM). Cela <strong>permet aux rollups de transmettre leurs donn&eacute;es &agrave; moindre co&ucirc;t<\/strong>, ce qui entra&icirc;ne une r&eacute;duction des frais de transaction pour les utilisateurs finaux.<\/p><p>Les d&eacute;veloppeurs d&rsquo;Ethereum estiment que le <strong>Danksharding devrait am&eacute;liorer la vitesse de traitement des transactions d&rsquo;Ethereum jusqu&rsquo;&agrave; environ 100 000 transactions par seconde<\/strong> (tps). Actuellement, le Danksharding est la solution la plus prometteuse pour surmonter le trilemme de la blockchain (la d&eacute;centralisation, la s&eacute;curit&eacute; et la scalabilit&eacute;).<\/p><figure id=\"attachment_116785\" aria-describedby=\"caption-attachment-116785\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-116785 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" width=\"600\" height=\"183\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" data-src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/10\/1697380546-img20230828112524bc8b89cc-89e6-4179-9cbd-b8c16179aaac-jpg.png\" data-srcset=\"https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/1697380546-img20230828112524bc8b89cc-89e6-4179-9cbd-b8c16179aaac-jpg.png 600w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/10\/1697380546-img20230828112524bc8b89cc-89e6-4179-9cbd-b8c16179aaac-jpg-300x92.png 300w\"><figcaption id=\"caption-attachment-116785\" class=\"wp-caption-text\">Cycle de vie d&rsquo;un blob, Source : Token Insight<\/figcaption><\/figure><p>Cependant, en raison des difficult&eacute;s techniques li&eacute;es &agrave; la mise en oeuvre, Cancun adoptera une solution interm&eacute;diaire &agrave; court terme. Les d&eacute;veloppeurs d&eacute;ploieront donc une version pr&eacute;liminaire du Danksharding, le <strong>Proto-Danksharding<\/strong>. Outre les blobs, Dencun introduira un autre &eacute;l&eacute;ment significatif, <strong>un nouveau syst&egrave;me de frais baptis&eacute; march&eacute; des frais multidimensionnels <\/strong><em>(Multi-Dimensional Fee Market)<\/em>.\n<\/p><h2><strong>La date estim&eacute;e pour le d&eacute;ploiement de Dencun<\/strong><\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nPour &eacute;valuer la faisabilit&eacute; de la mise &agrave; jour, les d&eacute;veloppeurs ont cr&eacute;&eacute; un environnement de test r&eacute;seau appel&eacute; Devnet. Une fois que les r&eacute;sultats sur ce dernier s&rsquo;av&egrave;reront concluants, les d&eacute;veloppeurs mettront en place un testnet. Ce dernier permettra &agrave; la communaut&eacute; de se familiariser avec les nouvelles fonctionnalit&eacute;s. <strong>Le Devnet 9 a &eacute;t&eacute; lanc&eacute; le 29 septembre<\/strong>. La derni&egrave;re r&eacute;union &laquo; <em>All Core Developer Execution<\/em> &raquo; (ACDE) qui s&rsquo;est tenue le 12 octobre dernier s&rsquo;est concentr&eacute;e sur la progression des tests pour Dencun.<\/p><blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">As I said last week, Dencun is a complex upgrade. Moreover, Ethereum since the Merge has become a more unwieldy protocol to upgrade. This means testing will take time. Devs may even decide on launching another devnet after Devnet #10 before moving on to public testnet launches.<\/p>\n<p>&mdash; Christine Kim (@christine_dkim) <a href=\"https:\/\/twitter.com\/christine_dkim\/status\/1712844487246946380?ref_src=twsrc%5Etfw\">October 13, 2023<\/a><\/p><\/blockquote><p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p><p>Dans l&rsquo;id&eacute;al, <strong>les d&eacute;veloppeurs souhaitent lancer le Devnet 10<\/strong> <strong>la semaine prochaine<\/strong> mais de nombreux &eacute;l&eacute;ments font toujours l&rsquo;objet de v&eacute;rifications, parmi lesquels les blobs. Le Devnet 10 sera probablement le dernier avant le d&eacute;ploiement de Cancun\/Deneb sur les testnets publics. <strong>Mais en raison de la complexit&eacute; de Dencun, Tim Beiko a averti qu&rsquo;un autre Devnet sera peut-&ecirc;tre n&eacute;cessaire.<\/strong> L&rsquo;&eacute;quipe d&rsquo;Ethereum avait pr&eacute;c&eacute;demment estim&eacute; que le d&eacute;ploiement de Dencun serait r&eacute;alis&eacute; pour la fin 2023. <strong>Il pourrait pourtant &ecirc;tre repouss&eacute; &agrave; 2024 en fonction du caract&egrave;re critique des bugs.<\/strong><\/p><hr><p><em>Sources : <a href=\"https:\/\/www.eip4844.com\">EIP-4844<\/a> ; <a href=\"https:\/\/www.galaxy.com\/insights\/research\/ethereum-all-core-developers-execution-call-172\/\">Galaxy Digital<\/a> ; <a href=\"https:\/\/tokeninsight.com\/en\/tokenwiki\/all\/what-is-eip-4844-how-does-cancun-upgrade-reduce-ethereum-transaction-fees\">Token Insight<\/a><span class=\"Apple-converted-space\">&nbsp;<\/span><\/em><\/p><hr><p>A lire &eacute;galement sur le sujet :<span class=\"Apple-converted-space\">&nbsp;<\/span>\n<\/p><ul>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/pourquoi-fondation-ethereum-vendu-1-700-eth\/\">Pourquoi la Fondation Ethereum a-t-elle vendu 1700 ETH ?<\/a><\/li>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/jpmorgan-ethereum-devenu-centralise-the-merge\/\">Selon JP Morgan, Ethereum est devenu plus centralis&eacute; depuis The Merge<\/a><\/li>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/nouveaux-etf-ethereum-futures-font-pas-forte-impression\/\">Les nouveaux ETF Ethereum Futures ne font pas forte impression<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Apr&egrave;s Shanghai, Cancun-Deneb (Dencun) est la prochaine mise &agrave; niveau majeure de la blockchain Ethereum. Cette mise &agrave; niveau vise &agrave; am&eacute;liorer l&rsquo;&eacute;volutivit&eacute;, la s&eacute;curit&eacute; et la disponibilit&eacute; des donn&eacute;es du r&eacute;seau. Une caract&eacute;ristique essentielle de Dencun est l&rsquo;introduction du Proto-Danksharding, avant la transition vers le Danksharding complet. Cette mise &agrave; niveau jette les bases [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":116592,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[51],"editors":[2112],"sponsored_companies":[],"class_list":["post-116759","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum-news","tag-ethereum","editors-crandria"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pr\u00e9sentation de la prochaine mise \u00e0 jour d&#039;Ethereum, Cancun-Deneb<\/title>\n<meta name=\"description\" content=\"Quels sont les \u00e9l\u00e9ments essentiels de la prochaine mise \u00e0 jour d&#039;Ethereum, Cancun-Deneb ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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