{"id":634,"date":"2024-07-27T11:06:15","date_gmt":"2024-07-27T09:06:15","guid":{"rendered":"https:\/\/vaubanlabs.com\/?p=634"},"modified":"2024-07-27T11:06:18","modified_gmt":"2024-07-27T09:06:18","slug":"web3deaaz-layer","status":"publish","type":"post","link":"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/27\/web3deaaz-layer\/","title":{"rendered":"\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/i0.wp.com\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg?resize=500%2C500&#038;ssl=1\" alt=\"\" class=\"wp-image-638\" style=\"width:246px;height:auto\" srcset=\"https:\/\/i0.wp.com\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg?w=500&amp;ssl=1 500w, https:\/\/i0.wp.com\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg?resize=100%2C100&amp;ssl=1 100w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n<p style=\"font-size:16px\">Bienvenue dans notre s\u00e9rie quotidienne o\u00f9 nous explorons l&rsquo;univers du Web3, une lettre \u00e0 la fois. Aujourd&rsquo;hui, nous continuons avec la lettre \u00ab\u00a0L\u00a0\u00bb pour \u00ab\u00a0Layer\u00a0\u00bb, notamment Layer 2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Layer \ud83d\udcca<\/h3>\n\n\n\n<p style=\"font-size:16px\">Dans le contexte des blockchains, un <strong>Layer<\/strong> fait r\u00e9f\u00e9rence \u00e0 une couche de protocole distincte qui ajoute des fonctionnalit\u00e9s ou am\u00e9liore les performances du r\u00e9seau principal. Les couches sont g\u00e9n\u00e9ralement class\u00e9es en <strong>Layer 1<\/strong> et <strong>Layer 2<\/strong>, chaque couche ayant un r\u00f4le sp\u00e9cifique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Layer 1 (L1) \ud83d\udccb<\/h3>\n\n\n\n<p style=\"font-size:16px\"><strong>Layer 1<\/strong> est la blockchain principale, comme Bitcoin ou <a href=\"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/20\/web3deaaz-ethereum\/\">Ethereum<\/a>. C&rsquo;est la couche fondamentale o\u00f9 toutes les transactions sont enregistr\u00e9es et valid\u00e9es. Cependant, en raison de la popularit\u00e9 croissante et de l&rsquo;augmentation des transactions, les blockchains Layer 1 peuvent devenir congestionn\u00e9es, entra\u00eenant des temps de transaction plus longs et des frais plus \u00e9lev\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Layer 2 (L2) \ud83d\udcc9<\/h3>\n\n\n\n<p style=\"font-size:16px\"><strong>Layer 2<\/strong> est une solution de mise \u00e0 l&rsquo;\u00e9chelle construite au-dessus de la blockchain Layer 1. Elle vise \u00e0 am\u00e9liorer la vitesse et la capacit\u00e9 des transactions en r\u00e9duisant la charge sur la blockchain principale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fonctionnement d&rsquo;un Layer 2<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Transactions Off-Chain<\/strong> : Les transactions sont trait\u00e9es hors de la blockchain principale, r\u00e9duisant ainsi la congestion.<\/li>\n\n\n\n<li><strong>Regroupement des Transactions<\/strong> : Les transactions sont regroup\u00e9es et ensuite ajout\u00e9es \u00e0 la blockchain Layer 1 en tant qu&rsquo;unit\u00e9 unique, ce qui am\u00e9liore l&rsquo;efficacit\u00e9.<\/li>\n\n\n\n<li><strong>Interop\u00e9rabilit\u00e9<\/strong> : Ces solutions sont con\u00e7ues pour interagir de mani\u00e8re transparente avec la blockchain Layer 1, assurant la s\u00e9curit\u00e9 et l&rsquo;int\u00e9grit\u00e9 des transactions.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cas d&rsquo;Utilisation : Ethereum et ses Solutions Layer 2<\/h3>\n\n\n\n<p style=\"font-size:16px\"><a href=\"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/20\/web3deaaz-ethereum\/\">Ethereum<\/a>, \u00e9tant l&rsquo;une des blockchains les plus utilis\u00e9es, a connu des probl\u00e8mes de congestion. Pour y rem\u00e9dier, plusieurs solutions Layer 2 ont \u00e9t\u00e9 d\u00e9velopp\u00e9es :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Optimistic Rollups<\/strong> : Ils regroupent plusieurs transactions en un seul lot, qui est ensuite valid\u00e9 sur la blockchain principale. Exemples : Optimism, Arbitrum.<\/li>\n\n\n\n<li><strong>ZK-Rollups (Zero-Knowledge Rollups)<\/strong> : Utilisent des preuves cryptographiques pour valider les lots de transactions hors cha\u00eene, r\u00e9duisant ainsi la charge sur Ethereum. Exemples : zkSync, Loopring.<\/li>\n\n\n\n<li><strong>State Channels<\/strong> : Permettent aux utilisateurs de faire plusieurs transactions hors cha\u00eene, ne soumettant que le r\u00e9sultat final \u00e0 la blockchain Layer 1. Exemples : Raiden Network.<\/li>\n\n\n\n<li><strong>Plasma<\/strong> : Cr\u00e9e des sous-cha\u00eenes li\u00e9es \u00e0 la blockchain principale, permettant des transactions rapides et \u00e9conomiques. Exemple : OMG Network.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Avantages d&rsquo;un Layer 2<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>D\u00e9congestion<\/strong> : En d\u00e9chargeant les transactions de la blockchain principale, Layer 2 r\u00e9duit la congestion et am\u00e9liore les temps de transaction.<\/li>\n\n\n\n<li><strong>R\u00e9duction des Co\u00fbts<\/strong> : Les frais de transaction sont consid\u00e9rablement r\u00e9duits car les transactions sont regroup\u00e9es avant d&rsquo;\u00eatre ajout\u00e9es \u00e0 la blockchain principale.<\/li>\n\n\n\n<li><strong>Scalabilit\u00e9<\/strong> : Il permet \u00e0 la blockchain de g\u00e9rer un plus grand nombre de transactions par seconde, augmentant ainsi la capacit\u00e9 globale du r\u00e9seau.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Exemple Pratique<\/h3>\n\n\n\n<p style=\"font-size:16px\">Supposons que vous souhaitiez effectuer plusieurs transactions Ethereum rapidement et \u00e0 faible co\u00fbt. En utilisant une solution Layer 2 comme Optimism, vos transactions seront trait\u00e9es hors cha\u00eene. Elles sont ensuite ajout\u00e9es \u00e0 Ethereum en tant que lot unique, r\u00e9duisant ainsi les frais et les d\u00e9lais.<\/p>\n\n\n\n<p style=\"font-size:16px\">En r\u00e9sum\u00e9, les solutions Layer 2 sont essentielles pour am\u00e9liorer la scalabilit\u00e9 et l&rsquo;efficacit\u00e9 des blockchains, en particulier pour des r\u00e9seaux populaires comme Ethereum. Elles jouent un r\u00f4le crucial dans l&rsquo;\u00e9volution de l&rsquo;\u00e9cosyst\u00e8me Web3.<\/p>\n\n\n\n<p style=\"font-size:16px\">Rendez-vous demain pour d\u00e9couvrir la lettre \u00ab\u00a0M\u00a0\u00bb et un nouveau terme du Web3 ! \ud83d\ude80<\/p>\n\n\n\n<p style=\"font-size:16px\">D\u00e9couvrez tous les secrets de la blockchain dans nos guides : <a href=\"https:\/\/vaubanlabs.com\/index.php\/boutique\/\">https:\/\/vaubanlabs.com\/index.php\/boutique\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bienvenue dans notre s\u00e9rie quotidienne o\u00f9 nous explorons l&rsquo;univers du Web3, une lettre \u00e0 la fois. Aujourd&rsquo;hui, nous continuons avec la lettre \u00ab\u00a0L\u00a0\u00bb pour \u00ab\u00a0Layer\u00a0\u00bb, notamment Layer 2. Layer \ud83d\udcca<\/p>\n<p><a href=\"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/27\/web3deaaz-layer\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\">\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":638,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca - VaubanLabs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/27\/web3deaaz-layer\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca - VaubanLabs\" \/>\n<meta property=\"og:description\" content=\"Bienvenue dans notre s\u00e9rie quotidienne o\u00f9 nous explorons l&rsquo;univers du Web3, une lettre \u00e0 la fois. Aujourd&rsquo;hui, nous continuons avec la lettre \u00ab\u00a0L\u00a0\u00bb pour \u00ab\u00a0Layer\u00a0\u00bb, notamment Layer 2. Layer \ud83d\udccaContinue reading\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vaubanlabs.com\/index.php\/2024\/07\/27\/web3deaaz-layer\/\" \/>\n<meta property=\"og:site_name\" content=\"VaubanLabs\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-27T09:06:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-27T09:06:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vaubanlabs.com\/wp-content\/uploads\/2024\/07\/Layer-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Olivier Favard\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@vaubanlabs\" \/>\n<meta name=\"twitter:site\" content=\"@vaubanlabs\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivier Favard\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/\"},\"author\":{\"name\":\"Olivier Favard\",\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/#\\\/schema\\\/person\\\/42eec2c966748b47c5c41145b1136481\"},\"headline\":\"\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca\",\"datePublished\":\"2024-07-27T09:06:15+00:00\",\"dateModified\":\"2024-07-27T09:06:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/\"},\"wordCount\":576,\"publisher\":{\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/vaubanlabs.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/Layer-1.jpeg?fit=500%2C500&ssl=1\",\"articleSection\":[\"Blockchain\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/\",\"url\":\"https:\\\/\\\/vaubanlabs.com\\\/index.php\\\/2024\\\/07\\\/27\\\/web3deaaz-layer\\\/\",\"name\":\"\ud83c\udf10\ud83d\udd24 #Web3DeA\u00e0Z : L comme Layer et Layer 2 \ud83d\udcca - 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