{"id":14492,"date":"2025-09-22T13:45:43","date_gmt":"2025-09-22T11:45:43","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=14492"},"modified":"2025-09-22T13:45:46","modified_gmt":"2025-09-22T11:45:46","slug":"proof-of-personhood-humain-blockchain","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/proof-of-personhood-humain-blockchain\/","title":{"rendered":"Proof-of-Personhood : prouver que vous \u00eates humain sur une blockchain"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14492\" class=\"elementor elementor-14492\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e93f12b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e93f12b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9ad6a05\" data-id=\"9ad6a05\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53c46f6 elementor-widget elementor-widget-text-editor\" data-id=\"53c46f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Avec la mont\u00e9e en puissance de l\u2019intelligence artificielle et des bots automatis\u00e9s, la fronti\u00e8re entre activit\u00e9 humaine et activit\u00e9 g\u00e9n\u00e9r\u00e9e par des machines devient de plus en plus floue. Sur la blockchain, ce probl\u00e8me prend une dimension encore plus critique. Les bots sont capables de participer \u00e0 des votes dans des DAO, de manipuler des airdrops ou encore d\u2019exploiter des failles \u00e9conomiques dans des protocoles DeFi.<\/p><p class=\"p1\">Face \u00e0 cette menace, un concept \u00e9merge : le Proof-of-Personhood. Son objectif est simple en apparence, mais complexe dans la mise en \u0153uvre : garantir qu\u2019une adresse blockchain correspond bien \u00e0 une personne r\u00e9elle et unique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8d38b54 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8d38b54\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a38c0ef\" data-id=\"a38c0ef\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7333bdc elementor-widget elementor-widget-heading\" data-id=\"7333bdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est-ce que le Proof-of-Personhood ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1eddbeb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1eddbeb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0091f8d\" data-id=\"0091f8d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c104f1b elementor-widget elementor-widget-text-editor\" data-id=\"c104f1b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Le Proof-of-Personhood (PoP) est une approche visant \u00e0 prouver l\u2019humanit\u00e9 d\u2019un utilisateur, sans r\u00e9v\u00e9ler son identit\u00e9 r\u00e9elle. Contrairement \u00e0 la v\u00e9rification classique via carte d\u2019identit\u00e9 ou passeport, il cherche \u00e0 \u00e9tablir un \u00e9quilibre entre confidentialit\u00e9 et unicit\u00e9. Autrement dit, vous n\u2019\u00eates pas oblig\u00e9 de dire qui vous \u00eates, mais vous devez prouver que vous \u00eates un \u00eatre humain unique.<\/p><p class=\"p1\">Diff\u00e9rentes m\u00e9thodes ont \u00e9t\u00e9 explor\u00e9es pour atteindre ce r\u00e9sultat. Certaines reposent sur des interactions physiques, comme la v\u00e9rification biom\u00e9trique ou la participation \u00e0 des \u00e9v\u00e9nements r\u00e9els. D\u2019autres privil\u00e9gient les preuves cryptographiques, avec des technologies comme les <a href=\"https:\/\/www.blog.bim.finance\/en\/zero-knowledge-proofs-comprendre-en-5-min\/\"><b>Zero-Knowledge Proofs (ZK Proofs)<\/b><\/a> qui permettent de prouver une information (\u00eatre humain et unique) sans r\u00e9v\u00e9ler les donn\u00e9es sous-jacentes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d72c56b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d72c56b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c9cdf21\" data-id=\"c9cdf21\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b6653a elementor-widget elementor-widget-heading\" data-id=\"2b6653a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les premiers projets et exp\u00e9rimentations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a8e6d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a8e6d3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-51d5825\" data-id=\"51d5825\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-43db869 elementor-widget elementor-widget-image\" data-id=\"43db869\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/fastly.restofworld.org\/uploads\/2023\/07\/Worldcoin-Hong-Kong-7-scaled.jpg?w=800&#038;ssl=1\" title=\"\" alt=\"Worldcoin tente de mettre en place le Proof-of-Personhood\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Worldcoin tente de mettre en place le Proof-of-Personhood<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab10408 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ab10408\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-200809c\" data-id=\"200809c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cab26a9 elementor-widget elementor-widget-text-editor\" data-id=\"cab26a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Plusieurs projets blockchain ont d\u00e9j\u00e0 tent\u00e9 d\u2019int\u00e9grer une forme de Proof-of-Personhood. Le plus connu reste <a href=\"https:\/\/www.blog.bim.finance\/en\/world-network-ex-worldcoin-une-identite-numerique-universelle-au-coeur-de-la-blockchain\/\"><b>Worldcoin<\/b><\/a>, lanc\u00e9 par Sam Altman (OpenAI). Ce projet utilise un appareil appel\u00e9 <i>Orb<\/i> pour scanner l\u2019iris des utilisateurs et g\u00e9n\u00e9rer une identit\u00e9 num\u00e9rique unique. L\u2019id\u00e9e est d\u2019\u00e9viter les doublons et de garantir que chaque humain ne dispose que d\u2019une seule identit\u00e9 sur le r\u00e9seau.<\/p><p class=\"p1\">Cependant, cette approche soul\u00e8ve des d\u00e9bats intenses sur la confidentialit\u00e9 et la centralisation. D\u2019autres initiatives plus d\u00e9centralis\u00e9es cherchent des alternatives. Par exemple, certains protocoles exp\u00e9rimentent avec des syst\u00e8mes d\u2019attestation communautaire, o\u00f9 l\u2019humanit\u00e9 d\u2019un individu est valid\u00e9e par d\u2019autres humains d\u00e9j\u00e0 reconnus, un peu comme un r\u00e9seau de confiance distribu\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-150bfed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"150bfed\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5fd6a23\" data-id=\"5fd6a23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9ef6095 elementor-widget elementor-widget-heading\" data-id=\"9ef6095\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Les enjeux pour la blockchain et la soci\u00e9t\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5f3cf15 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f3cf15\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-277989c\" data-id=\"277989c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7e22bf elementor-widget elementor-widget-text-editor\" data-id=\"c7e22bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Le Proof-of-Personhood pourrait devenir une brique essentielle de l\u2019\u00e9cosyst\u00e8me blockchain. Dans la gouvernance d\u00e9centralis\u00e9e, il permettrait de s\u2019assurer que chaque vote provient d\u2019une personne r\u00e9elle et non d\u2019un bot contr\u00f4lant des milliers d\u2019adresses. Dans la DeFi, il pourrait limiter les abus li\u00e9s aux airdrops ou aux m\u00e9canismes d\u2019incitation. Plus largement, il pourrait ouvrir la voie \u00e0 une nouvelle forme d\u2019identit\u00e9 num\u00e9rique universelle, respectueuse de la vie priv\u00e9e.<\/p><p class=\"p1\">Mais le chemin est sem\u00e9 d\u2019emb\u00fbches. Comment concilier la n\u00e9cessit\u00e9 de prouver son humanit\u00e9 avec le respect total de l\u2019anonymat ? Comment \u00e9viter la centralisation des donn\u00e9es biom\u00e9triques dans les mains de quelques entreprises ? Ces questions sont encore loin d\u2019avoir trouv\u00e9 une r\u00e9ponse d\u00e9finitive.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-784adac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"784adac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6d7088d\" data-id=\"6d7088d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e81f2e3 elementor-widget elementor-widget-heading\" data-id=\"e81f2e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Une technologie encore en qu\u00eate d\u2019\u00e9quilibre<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6ad9143 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6ad9143\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-86205a0\" data-id=\"86205a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6bbf832 elementor-widget elementor-widget-text-editor\" data-id=\"6bbf832\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Le Proof-of-Personhood est \u00e0 la crois\u00e9e des chemins. D\u2019un c\u00f4t\u00e9, il offre une solution prometteuse pour redonner confiance dans les interactions num\u00e9riques et limiter les d\u00e9rives li\u00e9es aux bots. De l\u2019autre, il pose des dilemmes \u00e9thiques et techniques qui n\u00e9cessitent une approche collective, transparente et respectueuse des droits fondamentaux.<\/p><p class=\"p1\">\u00c0 mesure que la blockchain et l\u2019intelligence artificielle s\u2019entrelacent, la capacit\u00e9 \u00e0 distinguer l\u2019humain de la machine deviendra cruciale. Le Proof-of-Personhood pourrait bien \u00eatre la cl\u00e9 pour construire un Internet d\u00e9centralis\u00e9 o\u00f9 la confiance ne d\u00e9pend plus d\u2019institutions centrales, mais d\u2019une preuve universelle de notre humanit\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dbf41f9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dbf41f9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a3521e2\" data-id=\"a3521e2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8909e12 elementor-widget elementor-widget-text-editor\" data-id=\"8909e12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Sources<\/strong> :<\/p><ul><li><a href=\"https:\/\/world.org\/\">Worldcoin<\/a><\/li><li><a href=\"https:\/\/www.blog.bim.finance\/en\/zero-knowledge-proofs-comprendre-en-5-min\/\">Zero-Knowledge Proofs (ZK Proofs) &#8211; BIM Blog<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Alors que l\u2019IA et les bots se multiplient, la blockchain cherche une solution pour garantir qu\u2019un utilisateur est bien un \u00eatre humain. Le Proof-of-Personhood ouvre la voie \u00e0 une nouvelle forme de confiance num\u00e9rique.<\/p>","protected":false},"author":18,"featured_media":14500,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[46,7],"tags":[],"ppma_author":[145],"class_list":["post-14492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-be-early","category-blockchain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Proof-of-Personhood : prouver que vous \u00eates humain sur une blockchain - BIM Blog<\/title>\n<meta name=\"description\" content=\"Le Proof-of-Personhood pourrait r\u00e9soudre un probl\u00e8me cl\u00e9 : distinguer les humains des bots sur la blockchain.\" \/>\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.blog.bim.finance\/en\/proof-of-personhood-humain-blockchain\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Proof-of-Personhood : prouver que vous \u00eates humain sur une blockchain - 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