{"id":11215,"date":"2025-01-24T13:29:50","date_gmt":"2025-01-24T12:29:50","guid":{"rendered":"https:\/\/web3factory.net\/fr\/posts\/"},"modified":"2025-02-13T00:04:18","modified_gmt":"2025-02-12T23:04:18","slug":"metamask","status":"publish","type":"post","link":"https:\/\/web3factory.net\/fr\/posts\/metamask\/","title":{"rendered":"MetaMask"},"content":{"rendered":"<span class=\"simplefavorite-button\" data-postid=\"11215\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"box-shadow:none;-webkit-box-shadow:none;-moz-box-shadow:none;\"><label class=\"favoritebtn\"><i aria-hidden=\"true\" class=\"fas fa-bookmark favoritesize\"><\/i><span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\u200e\u200e \u200e \u200e Ajouter \u00e0 ma list\u200ee \u200e \u200e <\/span><\/label><\/span>\n<h2 class=\"wp-block-heading\" id=\"h-installation\"><strong>Installation<\/strong><\/h2>\n\n\n\n<p>Pour d\u00e9buter avec <span tabindex='0' class='glossary-item-container'>MetaMask<span class='glossary-item-hidden-content'><span class='glossary-item-header'>MetaMask<\/span> <span class='glossary-item-description'>Un portefeuille Ethereum populaire et une extension de navigateur pour interagir avec les dApps.<\/span><\/span><\/span>, rendez-vous sur le site officiel metamask.io ou directement sur le Chrome Web Store. Apr\u00e8s avoir v\u00e9rifi\u00e9 que vous \u00eates sur le site authentique, cliquez sur le bouton d&rsquo;installation pour votre navigateur. Une fois l&rsquo;extension install\u00e9e, \u00e9pinglez-la \u00e0 votre barre de navigation pour un acc\u00e8s rapide.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXd_Dhpf8wYYdW8yR9wSzAmtfY_T0GI4C34r1g5Sjnndpud9W1gTHs4zX1x5lpeCzrrvzn7e3AVafzKCe38CO9DBnHSVqE8z3vCpH5faBoTksZ78AXYgQQvx58DnA2hiQjA1rDVCAQ?key=gJvm-DYuJgPz7lswmRmLL17h\" alt=\"\"\/><\/figure>\n\n\n\n<p>La premi\u00e8re utilisation vous demandera de cr\u00e9er un nouveau portefeuille ou d&rsquo;en importer un existant. Pour cr\u00e9er un nouveau portefeuille, vous devrez d\u00e9finir un mot de passe fort pour d\u00e9verrouiller votre portefeuille. MetaMask vous pr\u00e9sentera ensuite une phrase de r\u00e9cup\u00e9ration de 12 mots qu&rsquo;il est crucial de sauvegarder de mani\u00e8re s\u00e9curis\u00e9e, id\u00e9alement sur papier et jamais en format num\u00e9rique.<\/p>\n\n\n\n<p>La validation de votre phrase de r\u00e9cup\u00e9ration est une \u00e9tape obligatoire. MetaMask vous demandera de r\u00e9organiser les mots dans le bon ordre pour confirmer que vous les avez bien sauvegard\u00e9s. Cette \u00e9tape est essentielle car cette phrase est votre unique moyen de r\u00e9cup\u00e9rer votre portefeuille en cas de perte d&rsquo;acc\u00e8s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-navigation-et-interface\"><strong>Navigation et Interface<\/strong><\/h2>\n\n\n\n<p>L&rsquo;interface principale de MetaMask se compose de plusieurs \u00e9l\u00e9ments essentiels. En haut, vous trouverez le s\u00e9lecteur de r\u00e9seau qui vous permet de basculer entre Ethereum et les autres r\u00e9seaux compatibles. Votre adresse publique est affich\u00e9e juste en dessous, avec la possibilit\u00e9 de la copier rapidement. Si vous ne savez pas ce qu&rsquo;est une adresse, nous avons <a href=\"https:\/\/web3factory.net\/fr\/posts\/adresses-et-wallets\/\">un article pour vous.<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcZD-uFNaUHbLVyYqJtu0dU0tw6jrhfAZvdbPu_5abKsRdMFHYsteIEotNi63M5Dz5b-b2ffmFXecJ-Du4QIvc8QrWvXo4GbnMiU6KLmXYtCsm1C2iFC3haIQWSoavo_gKcphAuaA?key=gJvm-DYuJgPz7lswmRmLL17h\" alt=\"\"\/><\/figure>\n\n\n\n<p>La zone centrale affiche votre solde principal en ETH ainsi que vos autres tokens. Le bouton d&rsquo;achat vous permet d&rsquo;acheter des cryptomonnaies directement via les partenaires de MetaMask. Les boutons Envoyer et \u00c9changer permettent respectivement d&rsquo;effectuer des transferts et des \u00e9changes de tokens.<\/p>\n\n\n\n<p>Les param\u00e8tres de MetaMask sont accessibles via l&rsquo;ic\u00f4ne en haut \u00e0 droite. Cette section vous permet de g\u00e9rer vos comptes, vos connexions aux sites, vos r\u00e9seaux personnalis\u00e9s, et vos pr\u00e9f\u00e9rences g\u00e9n\u00e9rales comme la devise d&rsquo;affichage ou les estimations de gas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gestion-des-actifs\"><strong>Gestion des Actifs<\/strong><\/h2>\n\n\n\n<p>La gestion des tokens dans MetaMask commence par leur ajout \u00e0 votre interface. Pour les tokens standard, MetaMask les d\u00e9tecte souvent automatiquement. Pour ajouter manuellement un <span tabindex='0' class='glossary-item-container'>token<span class='glossary-item-hidden-content'><span class='glossary-item-header'>Token<\/span> <span class='glossary-item-description'>Un actif num\u00e9rique \u00e9mis sur une blockchain qui repr\u00e9sente divers services publics, droits ou titres.<\/span><\/span><\/span>, utilisez la fonction \u00ab\u00a0Importer des jetons\u00a0\u00bb et entrez l&rsquo;adresse du contrat du token. V\u00e9rifiez toujours que vous ajoutez le bon token en comparant l&rsquo;adresse du contrat avec des sources fiables.<\/p>\n\n\n\n<p>Pour recevoir des cryptomonnaies, il suffit de partager votre adresse publique MetaMask. Vous pouvez la copier directement depuis l&rsquo;interface ou afficher le QR code correspondant. Assurez-vous toujours d&rsquo;\u00eatre sur le bon r\u00e9seau avant de recevoir des fonds.<\/p>\n\n\n\n<p>L&rsquo;envoi de cryptomonnaies requiert une attention particuli\u00e8re. Commencez par s\u00e9lectionner le bon r\u00e9seau, puis cliquez sur \u00ab\u00a0Envoyer\u00a0\u00bb. Entrez l&rsquo;adresse du destinataire avec pr\u00e9caution, v\u00e9rifiez le montant et le token que vous envoyez. MetaMask vous montrera une estimation des frais de gas, que vous pouvez ajuster selon vos besoins de rapidit\u00e9 de transaction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gestion-des-reseaux\"><strong>Gestion des R\u00e9seaux<\/strong><\/h2>\n\n\n\n<p>MetaMask permet d&rsquo;interagir avec de nombreux r\u00e9seaux compatibles EVM. Le r\u00e9seau principal Ethereum est configur\u00e9 par d\u00e9faut, mais vous pouvez ajouter d&rsquo;autres r\u00e9seaux populaires comme Polygon, BNB Smart Chain, ou Avalanche. Pour ajouter un nouveau r\u00e9seau, utilisez la fonction \u00ab\u00a0Ajouter un r\u00e9seau\u00a0\u00bb dans les param\u00e8tres.<\/p>\n\n\n\n<p>La configuration d&rsquo;un nouveau r\u00e9seau n\u00e9cessite plusieurs informations : le nom du r\u00e9seau, l&rsquo;URL RPC, l&rsquo;ID de cha\u00eene, le symbole de la monnaie native, et l&rsquo;explorateur de blocs. Ces informations sont g\u00e9n\u00e9ralement disponibles sur les sites officiels des r\u00e9seaux concern\u00e9s. V\u00e9rifiez toujours que vous utilisez des sources fiables pour ces donn\u00e9es.<\/p>\n\n\n\n<p>MetaMask facilite \u00e9galement la gestion des frais de gas sur diff\u00e9rents r\u00e9seaux. Chaque r\u00e9seau a ses propres sp\u00e9cificit\u00e9s en termes de co\u00fbts et de rapidit\u00e9 de transaction. Adaptez vos param\u00e8tres de gas en fonction du r\u00e9seau utilis\u00e9 et de l&rsquo;urgence de vos transactions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-interaction-avec-les-dapps\"><strong>Interaction avec les DApps<\/strong><\/h2>\n\n\n\n<p>L&rsquo;utilisation des applications d\u00e9centralis\u00e9es avec MetaMask est simple mais requiert de la vigilance. Lorsqu&rsquo;un site demande \u00e0 se connecter \u00e0 votre portefeuille, MetaMask affiche une fen\u00eatre de confirmation d\u00e9taillant les permissions demand\u00e9es. Lisez attentivement ces permissions avant d&rsquo;accepter la connexion.<\/p>\n\n\n\n<p>Les signatures de messages sont fr\u00e9quentes dans l&rsquo;\u00e9cosyst\u00e8me Web3. MetaMask affiche clairement le contenu du message \u00e0 signer et son origine. Prenez le temps de lire et comprendre ce que vous signez. Une signature peut autoriser des actions <span tabindex='0' class='glossary-item-container'>futures<span class='glossary-item-hidden-content'><span class='glossary-item-header'>Futures<\/span> <span class='glossary-item-description'>Contrat d'achat ou de vente d'un actif \u00e0 un prix pr\u00e9d\u00e9termin\u00e9 dans le futur.<\/span><\/span><\/span> sur vos actifs, il est donc crucial d&rsquo;\u00eatre vigilant.<\/p>\n\n\n\n<p>Pour les interactions avec les smart contracts, MetaMask vous montre un aper\u00e7u d\u00e9taill\u00e9 de la transaction. V\u00e9rifiez toujours le montant, les tokens impliqu\u00e9s, et les frais de gas. Si quelque chose vous semble inhabituel, prenez le temps de comprendre avant de confirmer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-securite\"><strong>S\u00e9curit\u00e9<\/strong><\/h2>\n\n\n\n<p>La s\u00e9curit\u00e9 dans MetaMask repose sur plusieurs niveaux. Le premier est votre mot de passe qui d\u00e9verrouille l&rsquo;extension. Le second est votre phrase de r\u00e9cup\u00e9ration, qu&rsquo;il ne faut jamais partager ni stocker num\u00e9riquement. Activez \u00e9galement la d\u00e9connexion automatique apr\u00e8s une p\u00e9riode d&rsquo;inactivit\u00e9 dans les param\u00e8tres.<\/p>\n\n\n\n<p>La gestion des connexions aux sites web est importante pour votre s\u00e9curit\u00e9. Consultez r\u00e9guli\u00e8rement la liste des sites connect\u00e9s dans les param\u00e8tres et d\u00e9connectez ceux que vous n&rsquo;utilisez plus. V\u00e9rifiez \u00e9galement les autorisations de d\u00e9pense accord\u00e9es aux diff\u00e9rents contrats et r\u00e9voquez celles qui ne sont plus n\u00e9cessaires.<\/p>\n\n\n\n<p>En cas de suspicion de compromission, agissez rapidement. Cr\u00e9ez imm\u00e9diatement un nouveau portefeuille et transf\u00e9rez vos fonds. Ne r\u00e9utilisez jamais une phrase de r\u00e9cup\u00e9ration qui pourrait \u00eatre compromise. MetaMask propose \u00e9galement une fonction de verrouillage rapide en cas d&rsquo;urgence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-optimisation-et-maintenance\"><strong>Optimisation et Maintenance<\/strong><\/h2>\n\n\n\n<p>Pour une utilisation optimale de MetaMask, effectuez r\u00e9guli\u00e8rement quelques op\u00e9rations de maintenance. Mettez \u00e0 jour l&rsquo;extension d\u00e8s qu&rsquo;une nouvelle version est disponible. Nettoyez votre historique de transactions et vos connexions aux sites. V\u00e9rifiez et ajustez vos param\u00e8tres de gas par d\u00e9faut selon l&rsquo;\u00e9volution des r\u00e9seaux.<\/p>\n\n\n\n<p>La personnalisation de votre exp\u00e9rience MetaMask passe par plusieurs r\u00e9glages. Configurez votre devise pr\u00e9f\u00e9r\u00e9e pour l&rsquo;affichage des montants, organisez vos comptes avec des noms explicites, et param\u00e9trez les r\u00e9seaux que vous utilisez le plus fr\u00e9quemment. Ces petits ajustements rendront votre utilisation quotidienne plus fluide et efficace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tout comprendre au wallet decentralis\u00e9 Metamask<\/p>\n","protected":false},"author":43,"featured_media":13025,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[111,84],"tags":[],"class_list":["post-11215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchains","category-defi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v23.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MetaMask - Web3Factory<\/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:\/\/web3factory.net\/fr\/posts\/metamask\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MetaMask\" \/>\n<meta property=\"og:description\" content=\"Tout comprendre au wallet decentralis\u00e9 Metamask\" \/>\n<meta property=\"og:url\" content=\"https:\/\/web3factory.net\/fr\/posts\/metamask\/\" \/>\n<meta property=\"og:site_name\" content=\"Web3Factory\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-24T12:29:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-12T23:04:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/web3factory.net\/wp-content\/uploads\/2025\/01\/Metamask-1_22_11zon.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1842\" \/>\n\t<meta property=\"og:image:height\" content=\"992\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Nalimboi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@w3bfactory\" \/>\n<meta name=\"twitter:site\" content=\"@w3bfactory\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nalimboi\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/\"},\"author\":{\"name\":\"Nalimboi\",\"@id\":\"https:\/\/preprod.web3factory.net\/fr\/#\/schema\/person\/49787d867f876324652b8dc56e8a9735\"},\"headline\":\"MetaMask\",\"datePublished\":\"2025-01-24T12:29:50+00:00\",\"dateModified\":\"2025-02-12T23:04:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/\"},\"wordCount\":1116,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/preprod.web3factory.net\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/web3factory.net\/wp-content\/uploads\/2025\/01\/Metamask-1_22_11zon.webp\",\"articleSection\":[\"Blockchains\",\"DeFi\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/web3factory.net\/fr\/posts\/metamask\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/\",\"url\":\"https:\/\/web3factory.net\/fr\/posts\/metamask\/\",\"name\":\"MetaMask - 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