{"id":13990,"date":"2024-07-19T10:14:00","date_gmt":"2024-07-19T08:14:00","guid":{"rendered":"https:\/\/satochip.io\/quest-ce-que-la-bip39\/"},"modified":"2024-08-28T10:56:14","modified_gmt":"2024-08-28T08:56:14","slug":"bip39","status":"publish","type":"post","link":"https:\/\/satochip.io\/fr\/bip39\/","title":{"rendered":"Qu&rsquo;est-ce que la BIP39 ?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:104%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:50px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Bitcoin Improvement Proposal #39 &#8211; BIP39<\/h2><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\"><p><span class=\"notion-enable-hover\" data-token-index=\"0\">Introduction<br \/>\n<\/span><\/p><\/h3><\/div><div class=\"fusion-text fusion-text-1 fusion-text-no-margin\" style=\"--awb-margin-bottom:25px;\"><p>Si vous avez d\u00e9j\u00e0 lu notre article sur le <a href=\"https:\/\/satochip.io\/fr\/quest-ce-que-la-bip32\/\" target=\"_blank\" rel=\"noopener\"> Bitcoin Improvment Protocol 32 (ou BIP 32)<\/a>\ud83d\udd17, vous savez d\u00e9j\u00e0 que, depuis cette mise \u00e0 jour, il est possible de g\u00e9n\u00e9rer plusieurs adresses avec un seul portefeuille et de les restaurer en une seule fois.<\/p>\n<p>La seule petite difficult\u00e9 est que, jusqu&rsquo;\u00e0 l&rsquo;introduction du BIP39, la restauration du portefeuille \u00e9tait complexe, car la cl\u00e9 priv\u00e9e est une (tr\u00e8s) longue s\u00e9quence de caract\u00e8res qu&rsquo;un humain ne peut pas apprendre par c\u0153ur. Le risque de confondre un caract\u00e8re avec un autre est \u00e9galement plus \u00e9lev\u00e9 qu&rsquo;avec l&rsquo;utilisation de mots plus courants.<\/p>\n<p>Mais gr\u00e2ce \u00e0 la mise \u00e0 jour de <strong>BIP39<\/strong>, ce probl\u00e8me appartient d\u00e9sormais au pass\u00e9.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Les contributeurs et l&rsquo;histoire de la BP39<\/h3><\/div><div class=\"fusion-text fusion-text-2 fusion-text-no-margin\" style=\"--awb-margin-bottom:25px;\"><p>La mise \u00e0 jour da BIP39 a \u00e9t\u00e9 publi\u00e9e en septembre 2013 et est le r\u00e9sultat d&rsquo;une proposition faite par M<strong>arek Palatinus, Pavol Rusnak, Aaron Voisine, Sean Bowe<br \/>\n.<\/strong><br \/>\nPour info, Marek Palatinus est connu sous le nom de \u00ab Slush \u00bb, le cr\u00e9ateur de la toute premi\u00e8re pool de mining Bitcoin appel\u00e9 \u00ab Slush Pool \u00bb. Aujourd&rsquo;hui rebaptis\u00e9e \u00ab <a href=\"https:\/\/braiins.com\/pool\" target=\"_blank\" rel=\"noopener\">Braiins pool<\/a> \u00bb, cette pool a extrait plus de 1 million de BTC depuis 2010.<\/p>\n<p>Quant \u00e0 Pavol Rusnak, plus connu sous le nom de \u00ab Stick \u00bb, avec \u00ab Slush \u00bb, il est le cofondateur de <a href=\"https:\/\/trezor.io\/\" target=\"_blank\" rel=\"noopener\">Trezor<\/a>, l&rsquo;un des portefeuilles mat\u00e9riels les plus embl\u00e9matiques du march\u00e9.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Quelles sont les nouveaut\u00e9s de BIP39 ?<\/h3><\/div><div class=\"fusion-text fusion-text-3 fusion-text-no-margin\" style=\"--awb-margin-bottom:25px;\"><p>La mise \u00e0 jour de BIP39 a apport\u00e9 la mise en place de <strong><a href=\"https:\/\/satochip.io\/fr\/quest-ce-quune-seedphrase\/\" target=\"_blank\" rel=\"noopener\">seedphrases<\/a><\/strong> \ud83d\udd17, compos\u00e9es de 12 ou 24 mots et permettant de restaurer facilement un portefeuille bitcoin. Il est beaucoup plus facile de se souvenir ou de sauvegarder une cha\u00eene de mots qu&rsquo;une cha\u00eene de caract\u00e8res alphanum\u00e9riques totalement al\u00e9atoires.<\/p>\n<p>Quelles sont les principales diff\u00e9rences entre une phrase de 12 mots et une autre compos\u00e9e de 24 mots ?<\/p>\n<p>L&rsquo;entropie utilis\u00e9e pour g\u00e9n\u00e9rer la seed peut \u00eatre un nombre al\u00e9atoire de 128 ou 256 bits.<br \/>\nSi le portefeuille que vous utilisez utilise une entropie de 128 bits, votre seedphrase aura une longueur de 12 mots. Si l&rsquo;entropie est de 256 bits, votre seedphrase aura une longueur de 24 mots.<\/p>\n<p>Vous pouvez lire sur Internet que les phrases de 24 mots sont plus s\u00fbres que celles de 12 mots, et c&rsquo;est assez logique. Mais en fait, l&rsquo;utilisation d&rsquo;une phrase de 24 mots est totalement facultative et il n&rsquo;y a aucune raison particuli\u00e8re d&rsquo;utiliser une seedphrase de plus de 12 mots.<\/p>\n<p>Si vous n&rsquo;\u00eates pas s\u00fbr que votre seedphrase est correctement g\u00e9n\u00e9r\u00e9e, vous pouvez ajouter un niveau de s\u00e9curit\u00e9 suppl\u00e9mentaire en utilisant une passphrase. Si vous ne savez pas ce qu&rsquo;est une passphrase, consultez <a href=\"https:\/\/satochip.io\/fr\/quest-ce-quune-passphrase-et-comment-lutiliser\/\" target=\"_blank\" rel=\"noopener\"><strong>notre article<\/strong><\/a> \ud83d\udd17!<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Une liste de 2048 mots<\/h3><\/div><div class=\"fusion-text fusion-text-4 fusion-text-no-margin\" style=\"--awb-margin-bottom:25px;\"><p>La seedphrase est un concept essentiel \u00e0 ma\u00eetriser si vous voulez commencer \u00e0 g\u00e9rer vos propres fonds. Encore une fois, il y a un <a href=\"https:\/\/satochip.io\/fr\/quest-ce-quune-seedphrase\/\" target=\"_blank\" rel=\"noopener\"><strong>article sp\u00e9cifique<\/strong><\/a> \ud83d\udd17expliquant ce qu&rsquo;est une seedphrase dans notre Satochip Academy, n&rsquo;h\u00e9sitez pas \u00e0 le consulter si vous voulez \u00eatre certain de bien comprendre ce concept. Surtout si vous avez des doutes sur la mani\u00e8re de sauvegarder votre portefeuille en toute s\u00e9curit\u00e9.<\/p>\n<p>Comment se compose une seedphrase ? Nous avons dit plus haut qu&rsquo;une phrase mn\u00e9motechnique &#8211; ou seedphrase &#8211; peut \u00eatre compos\u00e9e de 12 ou 24 mots. Mais ces mots sont-ils tri\u00e9s d&rsquo;une mani\u00e8re ou d&rsquo;une autre ?<\/p>\n<p>En l&rsquo;occurrence, oui. En langue anglaise, seuls 2048 mots du dictionnaire r\u00e9pondent aux crit\u00e8res de la mise \u00e0 jour BIP39 et peuvent donc \u00eatre utilis\u00e9s dans une phrase mn\u00e9motechnique. Ces mots partagent des caract\u00e9ristiques similaires. Ainsi, chacun des 2048 mots commence par une s\u00e9quence unique de 4 lettres.<\/p>\n<p>Les mots qui se ressemblent, comme \u00ab woman \u00bb et \u00ab women \u00bb, sont exclus de la liste afin de r\u00e9duire le risque d&rsquo;erreur et de faciliter la sauvegarde de votre seedphrase. Vous pouvez trouver toutes les fonctionnalit\u00e9s r\u00e9gissant cette s\u00e9quence de mots sur ce lien <a href=\"https:\/\/github.com\/bitcoin\/bips\/blob\/master\/bip-0039.mediawiki#Wordlist\"><strong>Github <\/strong><\/a> \ud83d\udd17.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h3 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Pas seulement pour Bitcoin<\/h3><\/div><div class=\"fusion-text fusion-text-5 fusion-text-no-margin\" style=\"--awb-margin-bottom:25px;\"><p>La mise \u00e0 jour BIP39 a constitu\u00e9 une avanc\u00e9e majeure pour le protocole Bitcoin. Depuis la mise \u00e0 jour, il est beaucoup plus facile de sauvegarder et restaurer son portefeuille. En fait, cette mise \u00e0 jour est si importante que toutes les blockchains ont d\u00e9cid\u00e9 d&rsquo;utiliser le m\u00eame concept.<\/p>\n<p>C&rsquo;est pourquoi votre portefeuille Ethereum, ou toute autre blockchain EVM, utilise \u00e9galement des seedphrases BIP39.<\/p>\n<p>Sachant cela, vous pouvez utiliser une seule seedphrase (et \u00e9ventuellement sa passphrase) pour acc\u00e9der \u00e0 un portefeuille Bitcoin mais aussi \u00e0 votre portefeuille Ethereum ou toute autre L2 comme Polygon, Arbitrum ou m\u00eame certains projets altcoins comme Doge, Litecoin etc&#8230;<\/p>\n<p>Votre <a href=\"https:\/\/satochip.io\/fr\/product\/satochip\/\" target=\"_blank\" rel=\"noopener\">portefeuille mat\u00e9riel Satochip<\/a> \ud83d\udd17est enti\u00e8rement compatible avec BIP39. L&rsquo;utilisation d&rsquo;une seule carte vous donne acc\u00e8s \u00e0 un grand nombre de blockchains et de jetons. Il suffit de l&rsquo;initialiser avec une seedphrase de 12 ou 24 mots, et vous serez op\u00e9rationnel en une minute.<\/p>\n<p>Nous esp\u00e9rons que cet article vous a \u00e9t\u00e9 utile et n&rsquo;oubliez pas de consulter tous les autres articles de la <a href=\"https:\/\/satochip.io\/fr\/academy\/\" target=\"_blank\" rel=\"noopener\">Satochip Academ<\/a>y\ud83d\udd17 !<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-padding-top:5px;--awb-padding-right:20px;--awb-padding-bottom:5px;--awb-padding-left:20px;--awb-overflow:hidden;--awb-bg-color:rgba(255,255,255,0.05);--awb-bg-color-hover:rgba(255,255,255,0.05);--awb-bg-size:cover;--awb-border-radius:20px 20px 20px 20px;--awb-width-large:66.666666666667%;--awb-margin-top-large:20px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-social-links fusion-social-links-1\" 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!<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":13974,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"class_list":["post-13990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-satochip-academy-fr"],"_links":{"self":[{"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/posts\/13990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/comments?post=13990"}],"version-history":[{"count":0,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/posts\/13990\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/media\/13974"}],"wp:attachment":[{"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/media?parent=13990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/categories?post=13990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/satochip.io\/fr\/wp-json\/wp\/v2\/tags?post=13990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}