{"id":9171,"date":"2016-08-26T17:56:20","date_gmt":"2016-08-26T16:56:20","guid":{"rendered":"https:\/\/www.riskinsight-wavestone.com\/?p=9171"},"modified":"2019-12-31T10:17:58","modified_gmt":"2019-12-31T09:17:58","slug":"blockchain-lillustration-dun-monde-change","status":"publish","type":"post","link":"https:\/\/www.riskinsight-wavestone.com\/en\/2016\/08\/blockchain-lillustration-dun-monde-change\/","title":{"rendered":"La Blockchain ou l\u2019illustration d\u2019un monde qui change"},"content":{"rendered":"<p>Les technologies de rupture sont celles qui permettent l\u2019expression d\u2019une grande innovation. Et les grandes innovations &#8211; celles qui modifient profond\u00e9ment la soci\u00e9t\u00e9 &#8211; proc\u00e8dent de la rencontre entre la technologie et un \u00e9tat de la soci\u00e9t\u00e9 particuli\u00e8rement r\u00e9ceptif.<\/p>\n<p>Le parall\u00e8le assez syst\u00e9matique qui est \u00e9tabli entre les pr\u00e9misses de l\u2019Internet grand public et la p\u00e9riode actuelle d\u2019effervescence autour de <strong>la <em>Blockchain<\/em> est r\u00e9v\u00e9lateur de ce que nombreux pressentent comme la prochaine r\u00e9volution num\u00e9rique<\/strong>, disruption des transactions en \u00e9cho \u00e0 la disruption de l\u2019information incarn\u00e9e par Internet. Ce changement \u00e9tant rendu possible par la distribution de la confiance et,<em> in fine<\/em>, une d\u00e9sinterm\u00e9diation plus ou moins importante des \u00e9changes de tout type.<\/p>\n<p>Cette confiance distribu\u00e9e qui singularise <strong>la <em>Blockchain<\/em> porte en creux une promesse d\u2019horizontalisation de la soci\u00e9t\u00e9<\/strong>. En fonction des choix de gouvernance, publics et priv\u00e9s, nationaux et internationaux, qui seront faits, on pourrait assister \u00e0 une red\u00e9finition assez profonde de mod\u00e8les commerciaux et institutionnels qu\u2019on pensait immuables.<\/p>\n<h2>La <em><b>Blockchain<\/b><\/em> ou la r\u00e9ponse technologique au d\u00e9port de confiance<\/h2>\n<p>En tant que technologie, <strong>la <em>Blockchain<\/em> apporte une r\u00e9ponse nouvelle \u00e0 la d\u00e9centralisation de registres et \u00e0 l\u2019automatisation de contrats<\/strong>, et en corollaire suscite naturellement des questionnements ayant trait \u00e0 sa s\u00e9curisation et aux conditions de sa mise en \u0153uvre \u00e0 grande \u00e9chelle. Ce qui n\u2019est ni plus ni moins l\u2019histoire naturelle des technologies \u00e9mergentes\u00a0: des espoirs plus ou moins exag\u00e9r\u00e9s et des obstacles \u00e0 surmonter.<\/p>\n<p>Originellement<strong> la <em>Blockchain<\/em> est la technologie sous-jacente \u00e0 l\u2019\u00e9change de bitcoins.<\/strong> Elle fut donc \u00e0 ce titre le premier moyen de r\u00e9aliser des transactions financi\u00e8res ind\u00e9pendamment de l\u2019intervention des banques. Le contexte, post crise financi\u00e8re de 2008 a son importance car l\u2019initiative a rencontr\u00e9 son public et ses usages \u00e0 la faveur d\u2019un climat de perte de confiance envers les institutions financi\u00e8res traditionnelles. Ce qu\u2019on observe aujourd\u2019hui c\u2019est <strong>un report de la confiance<\/strong>, traditionnellement acquise aux institutions, vers des communaut\u00e9s d\u2019utilisateurs\/fournisseurs, dans un<strong> mouvement d\u2019horizontalisation de la soci\u00e9t\u00e9<\/strong>. Le succ\u00e8s des plateformes en tout genre est un signal fort de ce mouvement. En effet, la confiance n\u00e9cessaire avant de r\u00e9aliser une transaction sur l\u2019une de ces plateformes est d\u00e9sormais davantage conditionn\u00e9e par les retours d\u2019exp\u00e9rience de la communaut\u00e9, via les syst\u00e8mes de notation g\u00e9n\u00e9ralis\u00e9s entre pairs, que par les autres formes de garanties.<\/p>\n<p>Cependant, se pose toujours la question de la fiabilit\u00e9 de ce mod\u00e8le de confiance communautaire. C\u2019est dans cette question que se niche la nouveaut\u00e9 de la proposition de valeur de<strong> la <em>Blockchain<\/em> et peut-\u00eatre l\u2019\u00e9tape post plateformes<\/strong>\u00a0: fiabilit\u00e9 et auditabilit\u00e9 distribu\u00e9e via le consensus pour un mod\u00e8le purement pair \u00e0 pair. D\u00e8s lors que sont r\u00e9solues ces questions, la disparition des tiers devient th\u00e9oriquement envisageable.<\/p>\n<p>L<strong>\u2019immensit\u00e9 du champ d\u2019application<\/strong> de la <em>Blockchain<\/em> ne suppose pas pour autant qu\u2019on puisse y recourir pour tout et n\u2019importe quoi et surtout sans se poser la question du mod\u00e8le \u00e0 adopter et de la forme de gouvernance \u00e0 mettre en \u0153uvre. Ainsi, tous les usages ne n\u00e9cessitent pas de recourir \u00e0 la \u00ab\u00a0preuve de travail\u00a0\u00bb, qui implique une communaut\u00e9 importante et impose un co\u00fbt \u00e9nerg\u00e9tique plus que substantiel.<\/p>\n<h2>Des promesses et des possibles<\/h2>\n<p>Dans le secteur marchand, les promesses d\u2019automatisation laissent entrevoir des <strong>perspectives de r\u00e9duction des co\u00fbts et de fluidit\u00e9<\/strong> de certaines transactions dont pourraient b\u00e9n\u00e9ficier in fine les consommateurs, mais qui supposent \u00e9galement des acteurs commerciaux une capacit\u00e9 de <strong>transformation importante<\/strong>. On pense in\u00e9vitablement au secteur des services financiers, d\u00e9j\u00e0 fortement chahut\u00e9 par la concurrence des <strong><em>fintechs<\/em><\/strong>. Au-del\u00e0 du seul sujet des crypto-monnaies, pour les banques, l\u2019objectif consiste aujourd\u2019hui \u00e0 s\u2019approprier la technologie, sans impl\u00e9menter le mod\u00e8le largement distribu\u00e9 sous-tendu par le <em>bitcoin<\/em>, afin d\u2019en tirer des b\u00e9n\u00e9fices concurrentiels\u00a0: offrir aux clients des services \u00e0 valeur ajout\u00e9e, par exemple des transferts d\u2019argent ou de titres quasi-imm\u00e9diats, moins chers puisque sans intervention humaine dans le processus, et d\u00e9fendre ainsi sa position de tiers et son avantage comp\u00e9titif. Il en va de m\u00eame pour les assureurs qui \u00e9tudient opportun\u00e9ment les gains potentiels qu\u2019offriraient la <em>Blockchain<\/em> gr\u00e2ce \u00e0 l\u2019ex\u00e9cution automatique de contrats d\u2019assurance, ou encore la r\u00e9ponse qui pourrait \u00eatre apport\u00e9e aux probl\u00e9matiques de d\u00e9sh\u00e9rence. On pourrait ainsi \u00e9tablir une liste infinie de secteurs et d\u2019usages concern\u00e9s, sans compter les usages qui \u00e9mergeront demain et dont nous n\u2019avons pas encore id\u00e9e.<\/p>\n<p>La plupart des exp\u00e9rimentations en cours portent sur des<strong> <em>Blockchains<\/em> \u00ab\u00a0priv\u00e9es\u00a0\u00bb<\/strong> donc relativement en rupture avec le mod\u00e8le originel de la <em>Blockchain bitcoin<\/em>. Ces exp\u00e9rimentations vont apporter du recul sur le sujet et les investissements colossaux qui sont consentis actuellement vont sans doute permettre de se forger des convictions, si ce n\u2019est voir un acteur ou un mod\u00e8le s\u2019imposer. Les diff\u00e9rentes piste \u00e9tudi\u00e9es et exp\u00e9riment\u00e9es actuellement sont prometteuses, elles t\u00e9moignent d\u2019une consid\u00e9rable \u00e9nergie collective sur le sujet et laissent entrevoir des promesses de gains tant pour les entreprises que pour les consommateurs. Pour autant, la promesse de d\u00e9sinterm\u00e9diation \u00ab\u00a0absolue\u00a0\u00bb ou l\u2019uberisation des plateformes n\u2019en sera pas forc\u00e9ment la r\u00e9sultante.<\/p>\n<p>Dans le secteur non-marchand, \u00a0l\u2019<strong>\u00c9tat<\/strong> se trouve tout \u00e0 la fois dans une position de potentiel <strong>utilisateur<\/strong>,<strong> promoteur, ma\u00eetre d\u2019\u0153uvre<\/strong> et <strong>r\u00e9gulateur<\/strong> de la <em>Blockchain<\/em>.<\/p>\n<ul>\n<li><strong>Utilisateur<\/strong> dans le cadre d\u2019<strong>automatisations de m\u00e9canismes transactionnels<\/strong> complexes et co\u00fbteux, on peut notamment penser \u00e0 des usages pour l\u2019administration fiscale, mais \u00e9galement pour tout ce qui rel\u00e8ve de l\u2019acc\u00e8s aux droits.<\/li>\n<li><strong>Promoteur<\/strong> dans l<strong>\u2019accompagnement des initiatives<\/strong> publiques et priv\u00e9es, soutien \u00e0 un \u00e9cosyst\u00e8me fran\u00e7ais dynamique.<\/li>\n<li><strong>Ma\u00eetre d\u2019\u0153uvre et r\u00e9gulateur<\/strong> d\u2019une future <em>Blockchain<\/em> publique, porteur d\u2019un mod\u00e8le fonctionnel de <strong>gouvernance \u00e0 l\u2019\u00e9chelle nationale et internationale.<\/strong><\/li>\n<\/ul>\n<p>La soci\u00e9t\u00e9 civile n\u2019est pas en reste qui trouve dans la <em>Blockchain<\/em> <strong>un moyen id\u00e9al<\/strong> de mettre en \u0153uvre de nombreux <strong>projets collaboratifs<\/strong> n\u00e9s du mod\u00e8le des communaut\u00e9s et donc nativement adh\u00e9rents au concept de confiance distribu\u00e9e. Le vaste domaine de l\u2019\u00e9change de biens et services entre particuliers pourrait parfaitement op\u00e9rer un glissement d\u2019un mod\u00e8le commercial de type plateforme vers un mod\u00e8le purement associatif tendant vers un co\u00fbt minimal pour l\u2019usager\/membre. Reste \u00e0 savoir si le consomm\u2019acteur, s\u00e9duit par ce mod\u00e8le, serait pr\u00eat \u00e0 consentir u<strong>ne exp\u00e9rience transactionnelle plus d\u00e9pouill\u00e9e<\/strong>. On a du mal \u00e0 projeter un parcours client tr\u00e8s riche dans ce type de mod\u00e8le, sauf \u00e0 tabler sur une communaut\u00e9 de d\u00e9veloppeurs d\u00e9vou\u00e9e, ce qui n\u2019est au demeurant pas exclu. Par ailleurs<strong>, il semble complexe de projeter un usage massif<\/strong> ou d\u2019\u00e9largir le concept \u00e0 une activit\u00e9 n\u00e9cessitant une prise en charge des risques. L\u2019autre principale promesse de la <em>Blockchain<\/em> \u00e0 la soci\u00e9t\u00e9 civile concerne toutes les possibilit\u00e9s relatives \u00e0 une expression <strong>d\u00e9mocratique<\/strong> plus directe, notamment via les syst\u00e8mes de <strong>votes<\/strong> qui sont explor\u00e9s par diff\u00e9rent pays actuellement. Plus proche encore, on songe aux pol\u00e9miques qui ont pu na\u00eetre sur la fiabilit\u00e9 et la l\u00e9gitimit\u00e9 des syst\u00e8mes de p\u00e9titions en lignes et on peut tout \u00e0 fait imaginer le r\u00f4le positif que pourrait jouer une impl\u00e9mentation <em>Blockchain<\/em> d\u2019un syst\u00e8me de p\u00e9tition pour garantir \u00e0 la fois la p\u00e9tition et les p\u00e9titionnaires.<\/p>\n<p>La <em>Blockchain<\/em> pr\u00e9sente donc un<strong> int\u00e9r\u00eat \u00e0 la fois pour la sph\u00e8re priv\u00e9e et la sph\u00e8re publique,<\/strong> reste \u00e0 d\u00e9terminer s\u2019il s\u2019agira en cible d\u2019une <em>Blockchain<\/em> et de ses instanciations ou de la coexistence de diff\u00e9rents mod\u00e8les.<\/p>\n<h2>Une innovation de rupture qui se cherche un mod\u00e8le de gouvernance<\/h2>\n<p>Ce rapide et non-exhaustif tour d\u2019horizon permet de mesurer l\u2019\u00e9tendue et la profondeur des implications de l\u2019av\u00e8nement des <em>Blockchains<\/em>. Guy Kawasaki, \u00e9minent sp\u00e9cialiste de l\u2019innovation, rappelait fort justement dans son intervention \u00e0 la TED Conf\u00e9rence de Berkeley en 2014 les caract\u00e9ristiques d\u2019une grande innovation, entendons par l\u00e0 de celles qui changent le monde\u00a0:<\/p>\n<ul>\n<li><strong>Profondeur ;<\/strong><\/li>\n<li><strong>Intelligence ;<\/strong><\/li>\n<li><strong>Globalit\u00e9 ;<\/strong><\/li>\n<li><strong><em>Empowerment <\/em>;<\/strong><\/li>\n<li><strong>\u00c9l\u00e9gance.<\/strong><\/li>\n<\/ul>\n<p>\u00c0 coup s\u00fbr les <em>Blockchains<\/em> sont porteuses de ces attributs. Il est certain \u00e9galement, que la multiplicit\u00e9 des opportunit\u00e9s ne trouvera \u00e0 s\u2019exprimer concr\u00e8tement, que dans une configuration o\u00f9 acteurs priv\u00e9s et publics s\u2019emparent du sujet dans une approche<strong> ouverte et pluridisciplinaire<\/strong>. De l\u00e0 pourront \u00e9merger un ou plusieurs mod\u00e8les de gouvernance qui permettront aux nouveaux usages <strong>de s\u2019\u00e9panouir pour le b\u00e9n\u00e9fice du plus grand nombre.<\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les technologies de rupture sont celles qui permettent l\u2019expression d\u2019une grande innovation. Et les grandes innovations &#8211; celles qui modifient profond\u00e9ment la soci\u00e9t\u00e9 &#8211; proc\u00e8dent de la rencontre entre la technologie et un \u00e9tat de la soci\u00e9t\u00e9 particuli\u00e8rement r\u00e9ceptif. Le&#8230;<\/p>\n","protected":false},"author":1232,"featured_media":9173,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"page-templates\/tmpl-one.php","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3223,36],"tags":[2686,3316,95],"coauthors":[2688],"class_list":["post-9171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-next-gen-it-security","category-cybersecurity-digital-trust","tag-blockchain","tag-blockchain-security","tag-innovation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La Blockchain ou l\u2019illustration d\u2019un monde qui change - RiskInsight<\/title>\n<meta name=\"description\" content=\"La Blockchain apporte une r\u00e9ponse nouvelle \u00e0 la d\u00e9centralisation de registres et \u00e0 l\u2019automatisation de contrats, et suscite des questionnements\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La Blockchain ou l\u2019illustration d\u2019un monde qui change - RiskInsight\" \/>\n<meta property=\"og:description\" content=\"La Blockchain apporte une r\u00e9ponse nouvelle \u00e0 la d\u00e9centralisation de registres et \u00e0 l\u2019automatisation de contrats, et suscite des questionnements\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/\" \/>\n<meta property=\"og:site_name\" content=\"RiskInsight\" \/>\n<meta property=\"article:published_time\" content=\"2016-08-26T16:56:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-12-31T09:17:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.riskinsight-wavestone.com\/wp-content\/uploads\/2016\/08\/blockchain.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"565\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Anne.GAUTRENEAU@wavestone.fr\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anne.GAUTRENEAU@wavestone.fr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/\"},\"author\":{\"name\":\"Anne.GAUTRENEAU@wavestone.fr\",\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/en\/#\/schema\/person\/f9b1268d853cedc3cdd1e66b7a5e69df\"},\"headline\":\"La Blockchain ou l\u2019illustration d\u2019un monde qui change\",\"datePublished\":\"2016-08-26T16:56:20+00:00\",\"dateModified\":\"2019-12-31T09:17:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/\"},\"wordCount\":1528,\"publisher\":{\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.riskinsight-wavestone.com\/2016\/08\/blockchain-lillustration-dun-monde-change\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.riskinsight-wavestone.com\/wp-content\/uploads\/2016\/08\/blockchain.jpg\",\"keywords\":[\"blockchain\",\"blockchain security\",\"Innovation\"],\"articleSection\":[\"Cloud &amp; 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