{"id":108995,"date":"2023-09-22T18:49:31","date_gmt":"2023-09-22T18:49:31","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=108995"},"modified":"2023-09-25T07:45:02","modified_gmt":"2023-09-25T07:45:02","slug":"mise-niveau-shanghai-ethereum-jpmorgan-estime-que-lactivite-est-decevante","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/mise-niveau-shanghai-ethereum-jpmorgan-estime-que-lactivite-est-decevante\/","title":{"rendered":"Suite \u00e0 la mise \u00e0 niveau Shanghai sur Ethereum, JPMorgan estime que l&rsquo;activit\u00e9 est \u00ab\u00a0d\u00e9cevante\u00a0\u00bb"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-108996 size-full\" src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2023\/09\/1695402555-capture-decran-2023-09-22-a-19-56-18.png\" alt=\"\" width=\"1135\" height=\"566\" srcset=\"https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/09\/1695402555-capture-decran-2023-09-22-a-19-56-18.png 1135w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/09\/1695402555-capture-decran-2023-09-22-a-19-56-18-300x150.png 300w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/09\/1695402555-capture-decran-2023-09-22-a-19-56-18-1024x511.png 1024w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2023\/09\/1695402555-capture-decran-2023-09-22-a-19-56-18-768x383.png 768w\" sizes=\"auto, (max-width: 1135px) 100vw, 1135px\"><\/p><p>Selon les analystes de <strong>JP Morgan<\/strong>, l&rsquo;impact de la mise &agrave; niveau Shanghai sur Ethereum s&rsquo;est r&eacute;v&eacute;l&eacute;e d&eacute;cevante. Dans une note, les analystes de JP Morgan sous la direction de <strong>Nikolaos Panigirtzoglou<\/strong>, ont d&eacute;clar&eacute; que <strong>Shanghai n&rsquo;aurait pas r&eacute;pondu aux attentes des investisseurs<\/strong>.\n<\/p><h2><strong>Des performances en baisse pour Ethereum depuis le d&eacute;ploiement de Shanghai<\/strong><\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nShanghai avait &eacute;t&eacute; d&eacute;ploy&eacute; sur <a href=\"https:\/\/cryptonews.com\/fr\/news\/acheter-ethereum\/\">Ethereum<\/a> en avril dernier. La communaut&eacute; Ethereum avait attendu cette mise &agrave; jour avec impatience. En effet, Shanghai a permis aux validateurs de retirer les actifs verrouill&eacute;s en staking. JP Morgan a not&eacute; que la mise &agrave; jour avait apport&eacute; des &eacute;l&eacute;ments positifs, entre autres <strong>une forte augmentation du staking et une diminution de l&rsquo;offre d&rsquo;Ethereum<\/strong>. Cependant, certains indicateurs sugg&egrave;rent une stagnation au niveau de l&rsquo;activit&eacute; du r&eacute;seau : les analystes ont en effet constat&eacute;<strong> une baisse au niveau des transactions quotidiennes d&rsquo;Ethereum, des adresses actives quotidiennes et de la valeur totale verrouill&eacute;e (TVL) des protocoles de finance d&eacute;centralis&eacute;e (DeFi)<\/strong>.<\/p><p>Les analystes de JP Morgan ont indiqu&eacute; que de nombreux facteurs ont affect&eacute; n&eacute;gativement l&rsquo;activit&eacute; sur Ethereum. Le scandale li&eacute; &agrave; l&rsquo;<strong>effondrement de Terra puis celui de <a href=\"https:\/\/cryptonews.com\/fr\/news\/pourquoi-pere-sbf-recevait-salaire-annuel-200-000-chez-ftx\/\">FTX<\/a><\/strong> et la <strong>r&eacute;pression r&eacute;glementaire<\/strong> qui a suivi ont eu des r&eacute;percussions n&eacute;fastes sur toute l&rsquo;industrie. Ces &eacute;v&egrave;nements ont &eacute;galement contribu&eacute; &agrave; une <strong>diminution de l&rsquo;int&eacute;r&ecirc;t des investisseurs institutionnels<\/strong>.<\/p><p>Sur Twitter\/X, certains utilisateurs sont en d&eacute;saccord avec les observations de JP Morgan. En effet, ils ont fait remarquer que <strong>les indicateurs de l&rsquo;activit&eacute; d&rsquo;Ethereum on-chain n&rsquo;&eacute;taient plus tout &agrave; fait pertinents compte tenu de l&rsquo;importance croissante des rollups<\/strong>. Une portion de plus importante des transactions d&rsquo;Ethereum s&rsquo;est d&eacute;plac&eacute;e sur les rollups, un ph&eacute;nom&egrave;ne d&rsquo;ailleurs pr&eacute;vu par la feuille de route.<\/p><blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">Good that they\u2019re looking at Ethereum on-chain activity at all, but JP Morgan\u2019s analysis misses a few key shifts since Shanghai:<br>-TVL in terms of ETH is up<br>-Ethereum activity is overwhelmingly shifting to rollups <a href=\"https:\/\/t.co\/xfeYvFW2dq\">pic.twitter.com\/xfeYvFW2dq<\/a><\/p>\n<p>&mdash; Patrick Scott | Dynamo DeFi (@Dynamo_Patrick) <a href=\"https:\/\/twitter.com\/Dynamo_Patrick\/status\/1705194959295455655?ref_src=twsrc%5Etfw\">September 22, 2023<\/a><\/p><\/blockquote><p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/p><h2><strong>La mise &agrave; jour Cancun-Deneb pourra-t-elle redynamiser Ethereum ?<\/strong><\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nLes d&eacute;veloppeurs d&rsquo;Ethereum se penchent actuellement sur la prochaine mise &agrave; jour de la blockchain, <strong>Cancun-Deneb<\/strong>. Cette mise &agrave; jour devrait voir la mise en oeuvre d&rsquo;une proposition d&rsquo;am&eacute;lioration tr&egrave;s attendue. Il s&rsquo;agit de l&rsquo;<strong>EIP-4844<\/strong> qui introduira le <strong>proto-danksharding<\/strong> au sein de l&rsquo;&eacute;cosyst&egrave;me Ethereum. Ce m&eacute;canisme vise la <strong>r&eacute;duction du co&ucirc;t des rollups qui est actuellement &eacute;lev&eacute;<\/strong>. En fait, tous les noeuds Ethereum doivent traiter les donn&eacute;es de transactions via la fonction CALLDATA. Ces donn&eacute;es sont donc stock&eacute;es ind&eacute;finiment sur la cha&icirc;ne, m&ecirc;me si elles ne doivent &ecirc;tre disponibles que pendant une courte p&eacute;riode.<\/p><p><strong>L&rsquo;EIP-4844 introduira des blocs de donn&eacute;es (appel&eacute;s blobs) pouvant &ecirc;tre envoy&eacute;s et attach&eacute;s &agrave; des blocs<\/strong>. Les donn&eacute;es stock&eacute;es en blocs ne sont pas accessibles &agrave; la machine virtuelle Ethereum (EVM). Elles seront supprim&eacute;es apr&egrave;s un certain d&eacute;lai. Cela devrait r&eacute;duire drastiquement les co&ucirc;ts de transaction. Cette innovation pourrait se r&eacute;v&eacute;ler particuli&egrave;rement avantageuse pour les r&eacute;seaux de couche 2 comme Arbitrum et <a href=\"https:\/\/cryptonews.com\/fr\/news\/voici-pourquoi-transactions-optimism-depassent-arbitrum\/\">Optimism<\/a>. Les blobs de donn&eacute;es ne modifieront pas la taille du bloc Ethereum. La cr&eacute;ation d&rsquo;un espace de donn&eacute;es temporaire suppl&eacute;mentaire pour les rollups de couche 2 augmentera potentiellement le d&eacute;bit du r&eacute;seau.<\/p><p><em>Sources : <a href=\"https:\/\/www.ccn.com\/news\/ethereum-shanghai-activity-slammed-wall-street-bank\/\">CNN<\/a>, <a href=\"https:\/\/ethereum.org\/en\/roadmap\/danksharding\/\">Ethereum<\/a><\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Selon les analystes de JP Morgan, l&rsquo;impact de la mise &agrave; niveau Shanghai sur Ethereum s&rsquo;est r&eacute;v&eacute;l&eacute;e d&eacute;cevante. Dans une note, les analystes de JP Morgan sous la direction de Nikolaos Panigirtzoglou, ont d&eacute;clar&eacute; que Shanghai n&rsquo;aurait pas r&eacute;pondu aux attentes des investisseurs. Des performances en baisse pour Ethereum depuis le d&eacute;ploiement de Shanghai Shanghai [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":108996,"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-108995","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>Suite \u00e0 la mise \u00e0 niveau Shanghai sur Ethereum, JPMorgan estime que l&#039;activit\u00e9 est &quot;d\u00e9cevante&quot; JP Morgan : activit\u00e9 d\u00e9cevante sur Ethereum apr\u00e8s Shanghai<\/title>\n<meta name=\"description\" content=\"Pour quelles raisons JP Morgan affirme que les 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