{"id":105968,"date":"2023-05-12T13:05:00","date_gmt":"2023-05-12T13:05:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=113759"},"modified":"2023-06-26T11:09:09","modified_gmt":"2023-06-26T11:09:09","slug":"une-anomalie-sur-la-blockchain-ethereum-eth-a-affecte-la-finalite-des-transactions","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/une-anomalie-sur-la-blockchain-ethereum-eth-a-affecte-la-finalite-des-transactions\/","title":{"rendered":"Une anomalie sur la blockchain Ethereum (ETH) a affect\u00e9 la finalit\u00e9 des transactions"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/113759\/275218\/adobestock-563588194.jpeg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/113759\/275218\/responsive-images\/adobestock-563588194___media_library_original_1000_667.jpeg 1000w, https:\/\/cimg.co\/news\/113759\/275218\/responsive-images\/adobestock-563588194___media_library_original_900_600.jpeg 900w, https:\/\/cimg.co\/news\/113759\/275218\/responsive-images\/adobestock-563588194___media_library_original_720_480.jpeg 720w, https:\/\/cimg.co\/news\/113759\/275218\/responsive-images\/adobestock-563588194___media_library_original_600_400.jpeg 600w, https:\/\/cimg.co\/news\/113759\/275218\/responsive-images\/adobestock-563588194___media_library_original_300_200.jpeg 300w\" sizes=\"100vw\" width=\"1000\" class=\"content-img\"><figcaption>Source : Adobe<\/figcaption><\/figure><p style=\"text-align:justify;\">Un incident s&rsquo;est produit sur la blockchain Ethereum dans la journ&eacute;e du 11 mai, interrompant la finalisation des transactions durant une trentaine de minutes. Bien que de nouveaux blocs aient &eacute;t&eacute; propos&eacute;s sur la Beacon chain, aucune transaction n&rsquo;a pu &ecirc;tre confirm&eacute;e durant cet intervalle de temps.<\/p><h2 style=\"text-align:justify;\"><strong>Faut-il s&rsquo;inqui&eacute;ter d&rsquo;une panne g&eacute;n&eacute;ralis&eacute;e sur Ethereum ?&nbsp;<\/strong><\/h2><span class=\"replacer\"><\/span><p style=\"text-align:justify;\">La finalit&eacute; permet d&rsquo;assurer que les transactions cryptos ne peuvent pas &ecirc;tre invers&eacute;es ou annul&eacute;es apr&egrave;s leur ex&eacute;cution, garantissant que les transactions effectu&eacute;es sur la blockchain ne seront pas perdues. La finalit&eacute; est utilis&eacute;e pour mesurer le temps qu&#8217;il faut attendre pour obtenir une garantie raisonnable que les transactions ne seront ni annul&eacute;es ni modifi&eacute;es. Les protocoles blockchain affichent g&eacute;n&eacute;ralement la finalit&eacute; probabiliste des transactions, les transactions devenant &#8220;de plus en plus d&eacute;finitives&#8221; au fil du temps &agrave; mesure que davantage de blocs sont confirm&eacute;s.<\/p><p style=\"text-align:justify;\">L&rsquo;incident en question a &eacute;t&eacute; d&eacute;tect&eacute; entre les &eacute;poques Ethereum 200 552 &agrave; 200 554 lorsqu&rsquo;une baisse brutale des attestations a &eacute;t&eacute; observ&eacute;e. Fort heureusement, la situation s&rsquo;est r&eacute;solue sans difficult&eacute; et l&rsquo;un des principaux d&eacute;veloppeurs d&rsquo;Ethereum, <strong>Preston Van Loon<\/strong>, a annonc&eacute; sur Twitter que la finalit&eacute; avait &eacute;t&eacute; restaur&eacute;e.<\/p><p style=\"text-align:justify;\">Au mois de mars, un probl&egrave;me similaire avait d&eacute;j&agrave; &eacute;t&eacute; d&eacute;tect&eacute; sur le testnet Goerli avant le d&eacute;ploiement de la mise &agrave; niveau Shapella. La mise &agrave; niveau Shapella, qui a permis l&rsquo;ach&egrave;vement de la transition du r&eacute;seau vers un protocole de preuve d&rsquo;enjeu, a &eacute;t&eacute; d&eacute;ploy&eacute;e avec succ&egrave;s sur le r&eacute;seau principal le 12 avril.<\/p><h2 style=\"text-align:justify;\"><strong>La d&eacute;centralisation est-elle la solution ?<\/strong><\/h2><span class=\"replacer\"><\/span><p style=\"text-align:justify;\">Pour l&rsquo;instant, la cause exacte de cet incident n&rsquo;a pas pu &ecirc;tre d&eacute;termin&eacute;e mais les d&eacute;veloppeurs d&rsquo;Ethereum ont assur&eacute; qu&rsquo;ils faisaient leur possible pour r&eacute;soudre le probl&egrave;me et assurer que d&rsquo;autres incidents similaires ne se reproduisent pas &agrave; l&rsquo;avenir.<\/p><p style=\"text-align:justify;\"><i>Superphiz<\/i>, consultant pseudonyme d&#8217;Ethereum, a not&eacute; sur Twitter que cette anomalie <a href=\"https:\/\/twitter.com\/superphiz\/status\/1656780594326405121\"><u>illustre<\/u><\/a> a nouveau l&rsquo;utilit&eacute; de la d&eacute;centralisation. Il a not&eacute; que la &#8220;diversit&eacute; des clients&#8221; &eacute;tait l&#8217;une des principales raisons pour lesquelles l&rsquo;impact de ce probl&egrave;me avait &eacute;t&eacute; limit&eacute; et la dur&eacute;e de la perte de la finalit&eacute; a &eacute;t&eacute; si br&egrave;ve. Cependant, il a &eacute;galement soulign&eacute; que la perte de finalit&eacute; aurait pu &ecirc;tre compl&egrave;tement &eacute;vit&eacute;e si aucun client ne disposait de plus de 33% de contr&ocirc;le sur les validateurs.<\/p><p style=\"text-align:justify;\">La diversit&eacute; des clients fait r&eacute;f&eacute;rence au nombre de clients logiciels disponibles pour les validateurs de r&eacute;seau, et une plus grande diversit&eacute; signifie un r&eacute;seau plus s&eacute;curis&eacute; et plus robuste pour les validateurs. Superphiz a &eacute;galement ajout&eacute; que la diversit&eacute; des clients n&rsquo;est qu&rsquo;une facette de l&rsquo;application de la d&eacute;centralisation. Deux autres aspects importants se situent au niveau des validateurs et des producteurs de blocs.<\/p>","protected":false},"excerpt":{"rendered":"<p>Source : AdobeUn incident s&rsquo;est produit sur la blockchain Ethereum dans la journ&eacute;e du 11 mai, interrompant la finalisation des transactions durant une trentaine de minutes. Bien que de nouveaux blocs aient &eacute;t&eacute; propos&eacute;s sur la Beacon chain, aucune transaction n&rsquo;a pu &ecirc;tre confirm&eacute;e durant cet intervalle de temps.Faut-il s&rsquo;inqui&eacute;ter d&rsquo;une panne g&eacute;n&eacute;ralis&eacute;e sur Ethereum [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,1],"tags":[85,51,155],"editors":[1620],"sponsored_companies":[],"class_list":["post-105968","post","type-post","status-publish","format-standard","hentry","category-ethereum-news","category-news","tag-blockchain","tag-ethereum","tag-transactions","editors-corinne-r"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ethereum (ETH) : d\u00e9tection d&#039;une anomalie affectant la finalit\u00e9 des transactions<\/title>\n<meta name=\"description\" content=\"Le probl\u00e8me qui avait d\u00e9j\u00e0 affect\u00e9 le testnet Goerli s&#039;est produit sur le r\u00e9seau principal d&#039;Ethereum.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptonews.com\/fr\/news\/une-anomalie-sur-la-blockchain-ethereum-eth-a-affecte-la-finalite-des-transactions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ethereum (ETH) : d\u00e9tection d&#039;une anomalie affectant la finalit\u00e9 des transactions\" \/>\n<meta property=\"og:description\" content=\"Le probl\u00e8me qui avait d\u00e9j\u00e0 affect\u00e9 le testnet Goerli s&#039;est produit sur le r\u00e9seau principal d&#039;Ethereum.\" \/>\n<meta property=\"og:url\" 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