{"id":88286,"date":"2022-09-21T12:16:00","date_gmt":"2022-09-21T12:16:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=88286"},"modified":"2023-06-26T11:07:34","modified_gmt":"2023-06-26T11:07:34","slug":"vitalik-buterin-propose-de-developper-des-solutions-de-couche-3-pour-accelerer-levolutivite-du-secteur-crypto","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/vitalik-buterin-propose-de-developper-des-solutions-de-couche-3-pour-accelerer-levolutivite-du-secteur-crypto\/","title":{"rendered":"Vitalik Buterin propose de d\u00e9velopper des solutions de couche 3 pour acc\u00e9l\u00e9rer l&rsquo;\u00e9volutivit\u00e9 du secteur crypto"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Le cofondateur d&rsquo;Ethereum (ETH), <strong>Vitalik Buterin<\/strong>, s&rsquo;int&eacute;resse de pr&egrave;s &agrave; l&rsquo;avenir du secteur crypto. Alors que les solutions de couche 2 (L2) sont toujours en d&eacute;veloppement, Buterin a apport&eacute; sa contribution aux discussions sur les solutions de couche 3 (L3), en faisant valoir que celles-ci pourraient servir un ou plusieurs objectifs diff&eacute;rents, laissant l&rsquo;&eacute;volutivit&eacute; aux L2.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/88267\/221665\/0a045c0163.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/88267\/221665\/responsive-images\/0a045c0163___media_library_original_900_600.jpg 900w, https:\/\/cimg.co\/news\/88267\/221665\/responsive-images\/0a045c0163___media_library_original_720_480.jpg 720w, https:\/\/cimg.co\/news\/88267\/221665\/responsive-images\/0a045c0163___media_library_original_600_400.jpg 600w, https:\/\/cimg.co\/news\/88267\/221665\/responsive-images\/0a045c0163___media_library_original_300_200.jpg 300w\" sizes=\"100vw\" width=\"900\" class=\"content-img\"><figcaption>Vitalik Buterin. Source: capture video, ETHWORLD \/ YouTube<\/figcaption><\/figure><p>Pour rappel, la couche 1 est la blockchain de base, Ethereum lui-m&ecirc;me est une cha&icirc;ne L1. Les solutions L2 sont construites au-dessus de ces blockchains pour r&eacute;duire leur charge on-chain.<\/p><p>Dans un billet de blog intitul&eacute; \u00ab\u00a0<i>What kind of layer 3s make sense<\/i>\u00ab\u00a0, Buterin a <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/vitalik.ca\/general\/2022\/09\/17\/layer_3.html\">&eacute;crit<\/a> :<\/p><blockquote><p>\u00ab\u00a0Si nous pouvons construire un protocole L2 qui s&rsquo;ancre dans L1 pour la s&eacute;curit&eacute; et &nbsp;l&rsquo;&eacute;volutivit&eacute;, alors nous pouvons s&ucirc;rement am&eacute;liorer la scalabilit&eacute; en construisant un protocole L3 qui s&rsquo;ancre dans L2 pour la s&eacute;curit&eacute; et ajouter un autre niveau d&rsquo;&eacute;volutivit&eacute; par-dessus ?\u00a0\u00bb.<\/p><\/blockquote><p>Il a toutefois averti que ces concepts ne sont pas aussi simples qu&rsquo;ils en ont l&rsquo;air et que certains &eacute;l&eacute;ments de conception ne sont pas empilables et ne peuvent donner \u00ab\u00a0un coup de pouce &agrave; l&rsquo;&eacute;volutivit&eacute; qu&rsquo;une seule fois.\u00a0\u00bb<\/p><p>D&rsquo;autres probl&egrave;mes peuvent &eacute;galement surgir, y compris, mais sans se limiter &agrave; la disponibilit&eacute; des donn&eacute;es et la d&eacute;pendance &agrave; la bande passante L1 pour les retraits d&rsquo;urgence.<\/p><p>Les L3, cependant, ne sont pas une invention de Buterin, et le sujet a d&eacute;j&agrave; fait l&rsquo;objet de nombreuses discussions. Selon M. Buterin, des id&eacute;es plus r&eacute;centes, comme celle <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/medium.com\/starkware\/fractal-scaling-from-l2-to-l3-7fe238ecfb4f\">propos&eacute;e<\/a> par la startup blockchain <strong>StarkWare<\/strong>, se concentrent davantage sur l&rsquo;attribution de r&ocirc;les diff&eacute;rents aux L2 et aux L3, au lieu d&rsquo;une simple op&eacute;ration de superposition :<\/p><blockquote><p>\u00ab\u00a0Cette approche est peut &ecirc;tre une excellente id&eacute;e &#8211; si elle est ex&eacute;cut&eacute;e de la bonne mani&egrave;re\u00a0\u00bb.<\/p><\/blockquote><p>Alors que la mise &agrave; l&rsquo;&eacute;chelle peut &ecirc;tre rel&eacute;gu&eacute;e aux L2, les L3 pourraient &ecirc;tre utilis&eacute;s pour :<\/p><ul><li>des fonctionnalit&eacute;s personnalis&eacute;es, par exemple la confidentialit&eacute; ;<\/li><li>la mise &agrave; l&rsquo;&eacute;chelle personnalis&eacute;e ;<\/li><li>une mise &agrave; l&rsquo;&eacute;chelle faiblement fiable (<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/ethereum.org\/en\/developers\/docs\/scaling\/validium\/#:~:text=and%20layer%202.-,What%20is%20validium%3F,transactions%20off%20the%20Ethereum%20Mainnet.\">les validiums<\/a> &#8211; une solution de mise &agrave; l&rsquo;&eacute;chelle qui utilise la disponibilit&eacute; des donn&eacute;es hors cha&icirc;ne et le calcul con&ccedil;u pour am&eacute;liorer le d&eacute;bit en traitant les transactions hors du Mainnet Ethereum).<\/li><\/ul><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"700\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/88267\/221667\/starkware.jpeg\" data-srcset=\"https:\/\/cimg.co\/news\/88267\/221667\/responsive-images\/starkware___media_library_original_700_421.jpeg 700w, https:\/\/cimg.co\/news\/88267\/221667\/responsive-images\/starkware___media_library_original_600_360.jpeg 600w, https:\/\/cimg.co\/news\/88267\/221667\/responsive-images\/starkware___media_library_original_300_180.jpeg 300w\"><figcaption>Source: StarkWare<\/figcaption><\/figure><p>Selon M. Buterin, ces objectifs semblent \u00ab\u00a0fondamentalement raisonnable\u00a0\u00bb, mais il fait valoir que des complications subsistent, telles que : une structure &agrave; trois couches est-elle le bon moyen d&rsquo;atteindre ces objectifs ? Le fait est, sugg&egrave;re-t-il, que de nombreux r&ocirc;les qui pourraient &ecirc;tre attribu&eacute;s aux L3 pourraient peut-&ecirc;tre &ecirc;tre accomplis au niveau L2, tandis que d&rsquo;autres questions pourraient &ecirc;tre r&eacute;solues par une approche diff&eacute;rente.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"961\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/88267\/221668\/vitalik-buterin-layer-3-diag1.jpg\" data-srcset=\"https:\/\/cimg.co\/news\/88267\/221668\/responsive-images\/vitalik-buterin-layer-3-diag1___media_library_original_961_341.jpg 961w, https:\/\/cimg.co\/news\/88267\/221668\/responsive-images\/vitalik-buterin-layer-3-diag1___media_library_original_900_319.jpg 900w, https:\/\/cimg.co\/news\/88267\/221668\/responsive-images\/vitalik-buterin-layer-3-diag1___media_library_original_720_255.jpg 720w, https:\/\/cimg.co\/news\/88267\/221668\/responsive-images\/vitalik-buterin-layer-3-diag1___media_library_original_600_212.jpg 600w, https:\/\/cimg.co\/news\/88267\/221668\/responsive-images\/vitalik-buterin-layer-3-diag1___media_library_original_300_106.jpg 300w\"><figcaption>Source: vitalik.ca<\/figcaption><\/figure><p>Par cons&eacute;quent, Buterin estime que,<\/p><blockquote><p>\u00ab\u00a0Une architecture de mise &agrave; l&rsquo;&eacute;chelle &agrave; trois couches qui consiste &agrave; empiler le m&ecirc;me sch&eacute;ma de mise &agrave; l&rsquo;&eacute;chelle sur lui-m&ecirc;me ne fonctionne g&eacute;n&eacute;ralement pas bien. Les rollups sur les rollups, o&ugrave; la m&ecirc;me technologie est utilis&eacute;e, ne donnent pas de r&eacute;sultats satisfaisants. En revanche, une architecture &agrave; trois couches, o&ugrave; la deuxi&egrave;me et la troisi&egrave;me couche ont des objectifs diff&eacute;rents, peut fonctionner.\u00a0\u00bb<\/p><\/blockquote><p>Et bien que ce ne soit pas la meilleure solution &agrave; long terme, les validiums sur les rollups \u00ab\u00a0ont un sens\u00a0\u00bb, a-t-il ajout&eacute;. Les <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/ethereum.org\/en\/developers\/docs\/scaling\/#:~:text=on%20layer%202.-,Rollups,secured%20by%20native%20Ethereum%20security.\">rollups<\/a> sont une solution de mise &agrave; l&rsquo;&eacute;chelle qui permet &agrave; la transaction d&rsquo;&ecirc;tre ex&eacute;cut&eacute;e en dehors de la cha&icirc;ne, apr&egrave;s quoi les donn&eacute;es sont envoy&eacute;es &agrave; L1 o&ugrave; le consensus est atteint.<\/p><p>Pendant ce temps, la mise &agrave; niveau de la blockchain \u00ab\u00a0the Merge\u00a0\u00bb (la fusion) a eu lieu le 15 septembre, d&eacute;clenchant la transition de la blockchain d&rsquo;un m&eacute;canisme de consensus Proof-of-Work (PoW) &agrave; un m&eacute;canisme de Proof-of-Stake (PoS).<\/p><p>Si le cours de la cryptomonnaie a bri&egrave;vement augment&eacute; dans les jours pr&eacute;c&eacute;dant l&rsquo;&eacute;v&eacute;nement, ETH a chut&eacute; de 18,8 % dans les six jours qui ont suivi la fusion. Il se n&eacute;gocie actuellement &agrave; 1 350 USD, soit une baisse de 2 % en un jour et de 15,5 % en une semaine.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"692\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/88267\/221670\/screenshot-2022-09-21-at-11-14-37-ethereum-price-in-usd-eth-live-price-chart-news-coingecko.jpg\" data-srcset=\"https:\/\/cimg.co\/news\/88267\/221670\/responsive-images\/screenshot-2022-09-21-at-11-14-37-ethereum-price-in-usd-eth-live-price-chart-news-coingecko___media_library_original_692_631.jpg 692w, https:\/\/cimg.co\/news\/88267\/221670\/responsive-images\/screenshot-2022-09-21-at-11-14-37-ethereum-price-in-usd-eth-live-price-chart-news-coingecko___media_library_original_600_547.jpg 600w, https:\/\/cimg.co\/news\/88267\/221670\/responsive-images\/screenshot-2022-09-21-at-11-14-37-ethereum-price-in-usd-eth-live-price-chart-news-coingecko___media_library_original_300_273.jpg 300w\"><figcaption>Evolution du prix d&rsquo;ETH sur 7 jours. Source: coingecko.com<\/figcaption><\/figure><h3><strong>Suivez nos liens d&rsquo;affili&eacute;s:<\/strong><\/h3><ul><li><strong>Pour acheter des cryptomonnaies en Zone SEPA, Europe et citoyens fran&ccedil;ais<\/strong>, visitez <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.coinhouse.com\/r\/179207\">Coinhouse<\/a>&nbsp;<\/li><li><strong>Pour acheter des cryptomonnaies au Canada<\/strong>, visitez <a target=\"_blank\" rel=\"noopener noreferrer sponsored nofollow\" href=\"https:\/\/rapi.cryptonews.com\/ext\/bitbuy\/fr\">Bitbuy<\/a><\/li><li><strong>Pour g&eacute;n&eacute;rer des int&eacute;r&ecirc;ts gr&acirc;ce &agrave; vos bitcoins<\/strong>, allez sur le site de <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/blockfi.mxuy67.net\/kqG6x\">BlockFi<\/a><\/li><li><strong>Pour s&eacute;curiser ou stocker vos cryptomonnaies<\/strong>, procurez-vous les portefeuilles <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/shop.ledger.com\/?r=12b53b98a1c0&amp;tracker=CN-FR\">Ledger<\/a> ou <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/shop.trezor.io\/?offer_id=82&amp;aff_id=1814\">Trezor<\/a><\/li><li><strong>Pour transiger vos cryptos de fa&ccedil;on anonyme<\/strong>, installez l&rsquo;application <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/go.nordvpn.net\/aff_c?offer_id=252&amp;aff_id=54152&amp;url_id=14818\">NordVPN<\/a><\/li><\/ul><p><strong>Pour investir dans le minage de cryptomonnaies ou les masternodes:<\/strong><\/p><ul><li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/feel-mining.com\/?tracking=1ED831AFAB\">Feel Mining<\/a><\/li><li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.just-mining.com\/register?sponsor=aNJ7nRa0m3qvgi6LkMXAZX506\">Just Mining<\/a><\/li><\/ul><p><strong>Pour accumuler des cryptos en jouant :<\/strong><\/p><ul><li>Au poker sur la plateforme de jeux <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/coinpoker.com\/crypto\">CoinPoker<\/a><\/li><li>&Agrave; un fantasy football mondial sur la plateforme <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/sorare.pxf.io\/c\/2102999\/902742\/12209\">Sorare<\/a><\/li><\/ul><p>Restez inform&eacute; gr&acirc;ce &agrave; <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.getrevue.co\/profile\/CryptonewsFR\"><strong>notre newsletter hebdomadaire gratuite<\/strong><\/a><strong> <\/strong>et &agrave; nos r&eacute;seaux sociaux:<\/p><ul><li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/twitter.com\/cryptonews_FR\"><strong>Twitter<\/strong><\/a><strong>&nbsp;<\/strong><\/li><li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/t.me\/cryptonews_FR\"><strong>Telegram<\/strong><\/a><\/li><li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.linkedin.com\/company\/11745115\"><strong>LinkedIn<\/strong><\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Le cofondateur d&rsquo;Ethereum (ETH), Vitalik Buterin, s&rsquo;int&eacute;resse de pr&egrave;s &agrave; l&rsquo;avenir du secteur crypto. Alors que les solutions de couche 2 (L2) sont toujours en d&eacute;veloppement, Buterin a apport&eacute; sa contribution aux discussions sur les solutions de couche 3 (L3), en faisant valoir que celles-ci pourraient servir un ou plusieurs objectifs diff&eacute;rents, laissant l&rsquo;&eacute;volutivit&eacute; aux [&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":[74,51,466,49],"editors":[2550],"sponsored_companies":[],"class_list":["post-88286","post","type-post","status-publish","format-standard","hentry","category-ethereum-news","category-news","tag-crypto","tag-ethereum","tag-scalabilite","tag-vitalik-buterin","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vitalik Buterin 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