{"id":3848,"date":"2018-07-04T09:32:46","date_gmt":"2018-07-04T07:32:46","guid":{"rendered":"https:\/\/www.triapdl.fr\/?p=3848"},"modified":"2022-09-08T11:37:23","modified_gmt":"2022-09-08T09:37:23","slug":"decouvrez-blockchain-prochaine-filiere-de-developpement-pays-de-loire","status":"publish","type":"post","link":"https:\/\/www.triapdl.fr\/decouvrez-blockchain-prochaine-filiere-de-developpement-pays-de-loire\/","title":{"rendered":"D\u00e9couvrez la Blockchain, la prochaine fili\u00e8re de d\u00e9veloppement en Pays de la Loire"},"content":{"rendered":"<h3 class=\"entry-title\">La blockchain est une technologie de stockage et de transmission d\u2019informations, transparente et s\u00e9curis\u00e9e qui fonctionne sans organe central de contr\u00f4le (<em>d\u00e9finition de <a href=\"https:\/\/blockchainfrance.net\/\" target=\"_blank\" rel=\"noopener noreferrer\">Blockchain France<\/a><\/em>).<span id=\"more-161\"><\/span><\/h3>\n<p>Une blockchain, publique ou priv\u00e9e, constitue une base de donn\u00e9es qui contient l\u2019historique de tous les \u00e9changes effectu\u00e9s entre ses utilisateurs depuis sa cr\u00e9ation. Cette base de donn\u00e9es est partag\u00e9e par ses diff\u00e9rents utilisateurs, sans interm\u00e9diaire, ce qui permet \u00e0 chacun de v\u00e9rifier la validit\u00e9 de la cha\u00eene.<\/p>\n<h4>La premi\u00e8re blockchain est apparue en 2008 avec la monnaie num\u00e9rique <strong>bitcoin<\/strong>, d\u00e9velopp\u00e9e par Satoshi Nakamoto, un nom d\u2019emprunt, dont personne n\u2019a jusqu\u2019ici perc\u00e9 l\u2019identit\u00e9. Aujourd\u2019hui de nombreux acteurs (entreprises, gouvernements, etc) envisagent l\u2019utilisation de la technologie blockchain pour d\u2019autres cas que la monnaie num\u00e9rique.<\/h4>\n<h3><b>Comment \u00e7a marche ?<\/b><\/h3>\n<p>Toute blockchain publique fonctionne n\u00e9cessairement avec une monnaie ou un\u00a0<a href=\"https:\/\/blockchainfrance.net\/2018\/05\/22\/comprendre-les-tokens\/\" target=\"_blank\" rel=\"noopener noreferrer\">token<\/a>\u00a0(jeton) programmable, le Bitcoin est un exemple de monnaie programmable. Les transactions effectu\u00e9es entre les utilisateurs du r\u00e9seau sont regroup\u00e9es par blocs. Chaque bloc est valid\u00e9 par les noeuds du r\u00e9seau appel\u00e9s les \u201cmineurs\u201d, selon des techniques qui d\u00e9pendent du type de blockchain. Dans la blockchain du bitcoin cette technique est appel\u00e9e le \u201cProof-of-Work\u201d, preuve de travail, et consiste en la r\u00e9solution de probl\u00e8mes algorithmiques.<\/p>\n<p>Une fois le bloc valid\u00e9, il est horodat\u00e9 et ajout\u00e9 \u00e0 la cha\u00eene de blocs. La transaction est alors visible pour le r\u00e9cepteur ainsi que l\u2019ensemble du r\u00e9seau.<\/p>\n<p>&nbsp;<\/p>\n<h3><b>Le potentiel de la blockchain<\/b><\/h3>\n<p>Le caract\u00e8re d\u00e9centralis\u00e9 de la blockchain, coupl\u00e9 avec sa s\u00e9curit\u00e9 et sa transparence, promet un \u00e9ventail d&rsquo;applications, qui peuvent se classer en 3\u00a0cat\u00e9gories :<\/p>\n<ul>\n<li>Les applications pour le transfert d\u2019actifs (utilisation mon\u00e9taire, mais pas uniquement : titres, votes, actions, obligations\u2026).<\/li>\n<li>Les applications de la blockchain en tant que registre : elle assure ainsi une meilleure tra\u00e7abilit\u00e9 des produits et des actifs.<\/li>\n<li>Les\u00a0<a href=\"https:\/\/blockchainfrance.net\/2016\/01\/28\/applications-smart-contracts\/\" target=\"_blank\" rel=\"noopener noreferrer\">smart contracts<\/a>\u00a0: il s\u2019agit de programmes autonomes qui ex\u00e9cutent automatiquement les conditions et termes d\u2019un contrat, sans n\u00e9cessiter d\u2019intervention humaine une fois d\u00e9marr\u00e9s.<\/li>\n<\/ul>\n<p>Les champs d\u2019exploitation sont immenses :\u00a0banques,\u00a0assurance,\u00a0sant\u00e9 et industrie pharmaceutique,\u00a0supply chain\u00a0de nombreux secteurs (agroalimentaire, luxe, commerce international, distribution, vins, a\u00e9ronautique, automobile\u2026),\u00a0industrie musicale,\u00a0\u00e9nergie,\u00a0immobilier,\u00a0vote\u2026<\/p>\n<p>La blockchain offre surtout\u00a0la voie d\u2019un nouveau web, un web d\u00e9centralis\u00e9, et d\u2019une nouvelle \u00e9conomie num\u00e9rique, la\u00a0token \u00e9conomie&#8230;<\/p>\n<h3><\/h3>\n<ul>\n<li>Si vous \u00eates un particulier, <strong>Blockchain\u00a0France<\/strong> a con\u00e7u le\u00a0<strong>MOOC Blockchain, une formation 100% en ligne\u00a0pour tout public<\/strong>, pour comprendre le fonctionnement, les usages et les enjeux de la blockchain :\u00a0<a href=\"http:\/\/www.moocblockchain.com\/17\/mooc-blockchain-particuliers\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.moocblockchain.com\/17\/mooc-blockchain-particuliers<\/a><\/li>\n<li>Si la blockchain vous int\u00e9resse\u00a0<strong>pour votre entreprise<\/strong>,\u00a0<a href=\"http:\/\/blockchainpartner.fr\/\" target=\"_blank\" rel=\"noopener noreferrer\">Blockchain Partner<\/a>, n\u00e9 de la fusion entre Blockchain France et Labo Blockchain,\u00a0vous accompagne \u00e0 travers un\u00a0<strong>trip\u00f4le d\u2019expertises :\u00a0<a href=\"http:\/\/blockchainpartner.fr\/strategie\/\" target=\"_blank\" rel=\"noopener noreferrer\">formation et conseil<\/a>\u00a0;\u00a0<a href=\"http:\/\/blockchainpartner.fr\/developpement\/\" target=\"_blank\" rel=\"noopener noreferrer\">d\u00e9veloppement technique<\/a>\u00a0;\u00a0<a href=\"http:\/\/blockchainpartner.fr\/compliance\/\" target=\"_blank\" rel=\"noopener noreferrer\">compliance<\/a><\/strong>.<\/li>\n<\/ul>\n<h5>R\u00e9f\u00e9rences<\/h5>\n<ol>\n<li><a href=\"https:\/\/blockchainfrance.net\/decouvrir-la-blockchain\/c-est-quoi-la-blockchain\/\" target=\"_blank\" rel=\"noopener noreferrer\">Qu\u2019est-ce que la blockchain\u00a0?<\/a><\/li>\n<li><a href=\"https:\/\/www.agence-api.fr\/article\/nantes-future-place-forte-de-la-blockchain?security_key=bac5f6af09efa3437d0261b8b996f01a\" target=\"_blank\" rel=\"noopener noreferrer\">Nantes, future place forte de la blockchain ?<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>La blockchain est une technologie de stockage et de transmission d\u2019informations, transparente et s\u00e9curis\u00e9e qui fonctionne sans organe central de [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":10561,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}},"_links_to":"","_links_to_target":""},"categories":[22,18],"tags":[29,81,72,85],"jetpack_publicize_connections":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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