{"id":133090,"date":"2024-02-16T16:05:08","date_gmt":"2024-02-16T16:05:08","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=133090"},"modified":"2024-02-16T16:04:21","modified_gmt":"2024-02-16T16:04:21","slug":"tezos-oxford-blockchain","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/tezos-oxford-blockchain\/","title":{"rendered":"Tezos : La derni\u00e8re mise \u00e0 jour Oxford 2 peut-elle r\u00e9veiller cette blockchain endormie ?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-129864\" src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2024\/01\/Blockchain-reseau-layer-1-Layer-2.jpg\" alt=\"\" width=\"1260\" height=\"630\" srcset=\"https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/01\/Blockchain-reseau-layer-1-Layer-2.jpg 1260w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/01\/Blockchain-reseau-layer-1-Layer-2-300x150.jpg 300w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/01\/Blockchain-reseau-layer-1-Layer-2-1024x512.jpg 1024w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/01\/Blockchain-reseau-layer-1-Layer-2-768x384.jpg 768w\" sizes=\"auto, (max-width: 1260px) 100vw, 1260px\"><\/p><p>\nLa 15&#7497; mise &agrave; jour de la blockchain &agrave; preuve d&rsquo;enjeu (PoS) pr&eacute;voit l&rsquo;arriv&eacute;e des rollups compatibles EVM, cens&eacute;s doper une attractivit&eacute; &agrave; la tra&icirc;ne depuis plusieurs mois.\n<\/p><h2>Tezos, une blockchain qui cherche un second souffle<\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nQuel avenir pour <strong>Tezos<\/strong>, la blockchain &agrave; preuve d&rsquo;enjeu (POS, pour proof-of-stake), d&eacute;velopp&eacute;e en partie par des ing&eacute;nieurs fran&ccedil;ais ? Tr&egrave;s utilis&eacute;e dans le milieu artistique pendant le dernier cycle haussier, pour ses frais moins &eacute;lev&eacute;s qu&rsquo;Ethereum, elle a depuis attir&eacute; des projets NFT phares comme Stables ou le Mus&eacute;e d&rsquo;Orsay. De nombreuses institutions, comme SG-FORGE, se sont int&eacute;ress&eacute;es &agrave; sa technologie.<\/p><p>Mais avec seulement <strong>66 millions de dollars TVL<\/strong>, selon le site <a href=\"https:\/\/defillama.com\/chain\/Tezos\">Defillama<\/a>, le r&eacute;seau est aujourd&#8217;hui d&eacute;laiss&eacute; par les investisseurs, loin derri&egrave;re les autres &#8220;layers 1&#8221; de m&ecirc;me cat&eacute;gorie, et ne semble plus attirer beaucoup l&rsquo;attention. &Agrave; la diff&eacute;rence des cha&icirc;nes de premi&egrave;re couche comme <a href=\"https:\/\/cryptonews.com\/fr\/news\/bitcoin-news\/\">Bitcoin<\/a>, <a href=\"https:\/\/cryptonews.com\/fr\/news\/ethereum-news\/\">Ethereum<\/a>, <a href=\"https:\/\/cryptonews.com\/fr\/tags\/solana\/\">Solana<\/a>, Avalanche ou Cosmos, qui ont vu leur activit&eacute; exploser au cours des six derniers mois.<\/p><p>&Agrave; titre de comparaison, le plus gros protocole sur Tezos, <a href=\"https:\/\/defillama.com\/protocol\/youves\">Youves<\/a>, ne capte que 36 millions de dollars de valeur totale verrouill&eacute;e (TLV), tandis que la blockchain en elle-m&ecirc;me totalise autant que le seul protocole de liquidity providing (LP) <a href=\"https:\/\/defillama.com\/protocol\/meteora\">Meteora<\/a> sur Solana.<\/p><figure id=\"attachment_133100\" aria-describedby=\"caption-attachment-133100\" style=\"width: 682px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-133100 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" width=\"682\" height=\"375\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" data-src=\"https:\/\/cryptonews.com\/wp-content\/uploads\/sites\/3\/2024\/02\/1708099043-capture-decran-2024-02-16-a-17-56-46.png\" data-srcset=\"https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/02\/1708099043-capture-decran-2024-02-16-a-17-56-46.png 682w, https:\/\/cryptonews.com\/fr\/wp-content\/uploads\/sites\/3\/2024\/02\/1708099043-capture-decran-2024-02-16-a-17-56-46-300x165.png 300w\"><figcaption id=\"caption-attachment-133100\" class=\"wp-caption-text\">Evolution de la TVL sur Tezos (capture d&#8217;&eacute;cran Defillama).<\/figcaption><\/figure><h2>L&rsquo;arriv&eacute;e des &ldquo;smart rollups&rdquo; sur Tezos<\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nEst-ce &agrave; dire que plus rien ne se construit sur la blockchain dont la fondation est bas&eacute;e en Suisse ? Ce serait passer &agrave; c&ocirc;t&eacute; des diff&eacute;rentes &eacute;volutions int&eacute;ressantes sur le r&eacute;seau. En 2023, lors de la mise &agrave; jour Mumbai, la cha&icirc;ne a introduit les &ldquo;<strong>smart rollups<\/strong>&rdquo;, une avanc&eacute;e technologique importante puisqu&rsquo;elle ouvrait la voie &agrave; une solution de passage &agrave; l&rsquo;&eacute;chelle de type <strong>optimistic rollup<\/strong> (layer 2).<\/p><p>Avec cette nouveaut&eacute;, le r&eacute;seau pouvait envisager de supporter (en th&eacute;orie) un <a href=\"https:\/\/cryptonews.com\/fr\/news\/tezos-annonce-lactivation-de-mumbai-la-treizieme-mise-a-jour-de-son-protocole\/\">million de transactions par seconde<\/a>. C&rsquo;est dans cette droite ligne qu&rsquo;en octobre dernier, une proposition d&rsquo;&eacute;volution appel&eacute;e Oxford a &eacute;t&eacute; soumise au vote des quelque <strong>400 validateurs<\/strong> qui participent &agrave; s&eacute;curiser le r&eacute;seau, les &ldquo;bakers&rdquo; (boulangers en fran&ccedil;ais, clin d&rsquo;&oelig;il tricolore).<\/p><p>Retoqu&eacute;e faute de quorum suffisant, <a href=\"https:\/\/opentezos.com\/tezos-basics\/history-of-amendments\/#oxford-2-proxfordy\">Oxford 2<\/a> a &eacute;t&eacute; repr&eacute;sent&eacute;e en f&eacute;vrier et adopt&eacute;e cette fois-ci au <a href=\"https:\/\/tzstats.com\/5070849\">bloc 5 070 849<\/a>. Sur Tezos, les investisseurs qui d&eacute;tiennent <strong>au moins 6 000 XTZ<\/strong> peuvent voter et leur voix est repr&eacute;sent&eacute;e en fonction du nombre de jetons stak&eacute;s (ou plut&ocirc;t &ldquo;liquid stak&eacute;s&rdquo;). Le jeton XTZ s&rsquo;&eacute;change autour de 1,08 $, selon le site <a href=\"https:\/\/www.coingecko.com\/fr\/pi%C3%A8ces\/tezos\">Coingecko<\/a>, avec une capitalisation boursi&egrave;re de 984 millions de dollars, se classant &agrave; la 83&#7497; place du classement des cryptomonnaies.\n<\/p><h2>Que contient la mise &agrave; jour Oxford 2 de Tezos ?<\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nLa proposition ent&eacute;rine l&rsquo;arriv&eacute;e des <strong>rollups priv&eacute;s<\/strong>, qui peuvent &ecirc;tre utilis&eacute;s par des projets financiers ou industriels, afin de garantir la confidentialit&eacute; des donn&eacute;es &eacute;chang&eacute;es. Mais aussi de nouvelles am&eacute;liorations sur le m&eacute;canisme m&ecirc;me de preuve d&#8217;enjeu, am&eacute;liorant l&#8217;UX du staking et affinant les p&eacute;nalit&eacute;s de slashing (sanction des validateurs) ; et la r&eacute;introduction des timelocks dans les smart contracts. Avec cette modification, il est maintenant possible pour les d&eacute;veloppeurs d&rsquo;avoir facultativement une liste blanche d&#8217;op&eacute;rateurs autoris&eacute;s &agrave; avoir acc&egrave;s aux donn&eacute;es.<\/p><p>Autre grande nouveaut&eacute; attendue dans les prochaines semaines sur Tezos : le <strong>rollup compatible EVM<\/strong> <a href=\"https:\/\/www.etherlink.com\/\">Etherlink<\/a> pourrait &ecirc;tre activ&eacute; en mainnet en mars, avec une premi&egrave;re version courant juin 2024.\n<\/p><h2>Vers un retour des investisseurs gr&acirc;ce &agrave; l&rsquo;EVM ?<\/h2><p><span class=\"replacer\"><\/span><\/p><p>\nToutes ces nouveaut&eacute;s pourront-elles r&eacute;veiller la belle endormie ? &ldquo;Le but, dans les prochains mois, est de d&eacute;livrer ce rollup optimiste compatible EVM, qui va permettre de g&eacute;n&eacute;rer plus d&rsquo;utilisation, d&rsquo;attirer plus de liquidit&eacute;s et d&rsquo;ing&eacute;nieurs&rdquo;, indique <strong>C&eacute;dric Roche<\/strong>, directeur de l&rsquo;adoption et du support (France, Benelux, Allemagne) chez <a href=\"https:\/\/www.nomadic-labs.com\/\">Nomadic Labs<\/a>, les experts de la blockchain Tezos. Environ un millier de d&eacute;veloppeurs contribuent actuellement au projet, et les &eacute;quipes de Nomadic Labs sont r&eacute;put&eacute;es pour avoir en leur sein une trentaine de doctorants, notamment en cryptographie.<\/p><p>L&rsquo;objectif est de fournir des &#8220;<strong>frais de gaz plus stables&#8221;<\/strong> que sur les layers 2 d&rsquo;Ethereum, qui peuvent avoir tendance &agrave; augmenter &ldquo;drastiquement&rdquo; avec les pics de volume de transactions. &ldquo;Nous voulons aussi d&eacute;centraliser les s&eacute;quenceurs, qui sont aujourd&rsquo;hui centralis&eacute;s, ajoute C&eacute;dric Roche. Cela devrait apporter plus de s&eacute;curit&eacute;.&rdquo;<\/p><p>Si Tezos parvient &agrave; franchir toutes ces &eacute;tapes, il sera int&eacute;ressant de voir si cela dope la liquidit&eacute; et redonne de l&rsquo;app&eacute;tit aux investisseurs.<\/p><hr><p>Sources : Entretien, <a href=\"https:\/\/defillama.com\/chain\/Tezos\">Defillama<\/a>, <a href=\"https:\/\/research-development.nomadic-labs.com\/oxford-is-live.html\">Nomadic Labs<\/a>, <a href=\"https:\/\/www.coingecko.com\/fr\/pi%C3%A8ces\/tezos\">Coingecko<\/a>, <a href=\"https:\/\/opentezos.com\/tezos-basics\/history-of-amendments\/#oxford-2-proxfordy\">Open Tezos<\/a>.<\/p><hr><p>Sur le m&ecirc;me sujet :\n<\/p><ul>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/musee-dorsay-associe-tezos-adopte-nft\/\">Le Mus&eacute;e d&rsquo;Orsay s&rsquo;associe &agrave; Tezos et adopte les NFT<\/a><\/li>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/tezos-annonce-lactivation-de-mumbai-la-treizieme-mise-a-jour-de-son-protocole\/\">Tezos annonce l&rsquo;activation de&nbsp;Mumbai, la treizi&egrave;me mise &agrave; jour de son protocole<\/a><\/li>\n<li><a href=\"https:\/\/cryptonews.com\/fr\/news\/collections-nft-2023-chute-nft18\/\">Les recettes des collections NFT sont en chute de 62% par rapport &agrave; l&rsquo;ann&eacute;e pr&eacute;c&eacute;dente, selon NFT18<\/a><\/li>\n<\/ul><p><!-- notionvc: 669107d8-f7d2-42f1-8903-1c6dfbea9b20 --><\/p>","protected":false},"excerpt":{"rendered":"<p>La 15&#7497; mise &agrave; jour de la blockchain &agrave; preuve d&rsquo;enjeu (PoS) pr&eacute;voit l&rsquo;arriv&eacute;e des rollups compatibles EVM, cens&eacute;s doper une attractivit&eacute; &agrave; la tra&icirc;ne depuis plusieurs mois. Tezos, une blockchain qui cherche un second souffle Quel avenir pour Tezos, la blockchain &agrave; preuve d&rsquo;enjeu (POS, pour proof-of-stake), d&eacute;velopp&eacute;e en partie par des ing&eacute;nieurs fran&ccedil;ais [&hellip;]<\/p>\n","protected":false},"author":279,"featured_media":129864,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8,9],"tags":[70,85,266,705],"editors":[2550],"sponsored_companies":[],"class_list":["post-133090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoin-news","category-blockchain-news","tag-altcoins","tag-blockchain","tag-defi","tag-technologie","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>Tezos : La derni\u00e8re mise \u00e0 jour Oxford 2 peut-elle 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