{"id":834,"date":"2023-05-25T15:37:09","date_gmt":"2023-05-25T15:37:09","guid":{"rendered":"https:\/\/h17n.com\/fr\/?p=834"},"modified":"2023-05-25T15:37:09","modified_gmt":"2023-05-25T15:37:09","slug":"quest-ce-que-payjoin","status":"publish","type":"post","link":"https:\/\/h17n.com\/fr\/quest-ce-que-payjoin\/","title":{"rendered":"Qu&rsquo;est-ce que PayJoin ?"},"content":{"rendered":"<p>PayJoin (\u00e9galement connu sous le nom de \u00ab P2EP \u00bb ou \u00ab Pay-to-EndPoint \u00bb) est une technique d&rsquo;am\u00e9lioration de la confidentialit\u00e9 des transactions bitcoin. Il s&rsquo;agit d&rsquo;un type de transaction <a href=\"https:\/\/h17n.com\/fr\/coinjoin\/\" target=\"_blank\" rel=\"noopener\">CoinJoin<\/a> qui permet \u00e0 plusieurs utilisateurs de combiner leurs entr\u00e9es et sorties de bitcoins en une seule transaction, augmentant ainsi la confidentialit\u00e9 et la fongibilit\u00e9.<\/p>\n<p>Cependant, PayJoin va encore plus loin que les transactions CoinJoin traditionnelles en permettant \u00e0 seulement deux parties de participer \u00e0 la transaction, l&rsquo;exp\u00e9diteur et le destinataire. Cela signifie que la transaction n&rsquo;est pas visible sur la blockchain comme une transaction CoinJoin typique, o\u00f9 plusieurs parties participent. Au lieu de cela, elle appara\u00eet comme une transaction ordinaire entre deux parties, ce qui rend difficile pour les outils d&rsquo;analyse de la blockchain de retracer l&rsquo;origine et la destination des fonds.<\/p>\n<div class=\"action box\">\n<p>\u00c0 lire aussi : <a href=\"https:\/\/h17n.com\/fr\/coinjoin\/\" target=\"_blank\" rel=\"noopener\">Qu&rsquo;est-ce que CoinJoin ?<\/a><\/p>\n<\/div>\n<p>Dans une transaction PayJoin, l&rsquo;exp\u00e9diteur et le destinataire contribuent tous deux aux entr\u00e9es de la transaction, qui sont ensuite m\u00e9lang\u00e9es et r\u00e9parties entre les sorties. Il est ainsi difficile pour les observateurs ext\u00e9rieurs de d\u00e9terminer quelle sortie appartient \u00e0 quel participant, ce qui accro\u00eet la confidentialit\u00e9 de la transaction.<\/p>\n<h2>Comment fonctionne PayJoin ?<\/h2>\n<p>PayJoin fonctionne en permettant \u00e0 deux parties de collaborer \u00e0 la cr\u00e9ation d&rsquo;une transaction Bitcoin qui masque l&rsquo;origine et la destination des fonds en cours de transaction. Voici les \u00e9tapes de base impliqu\u00e9es dans une transaction PayJoin\u00a0:<\/p>\n<ul>\n<li>L&rsquo;exp\u00e9diteur initie la transaction et envoie une demande au destinataire pour qu&rsquo;il participe \u00e0 une transaction PayJoin.<\/li>\n<li>Le destinataire accepte de participer et g\u00e9n\u00e8re une adresse bitcoin unique, qu&rsquo;il partage avec l&rsquo;exp\u00e9diteur.<\/li>\n<li>L&rsquo;exp\u00e9diteur envoie des bitcoins \u00e0 l&rsquo;adresse du destinataire, et le destinataire contribue \u00e9galement \u00e0 la transaction.<\/li>\n<li>Les donn\u00e9es de l&rsquo;exp\u00e9diteur et du destinataire sont combin\u00e9es, et la transaction est construite de mani\u00e8re \u00e0 ce que les r\u00e9sultats ne puissent pas \u00eatre facilement attribu\u00e9s \u00e0 l&rsquo;un ou l&rsquo;autre des participants.<\/li>\n<li>La transaction est sign\u00e9e par les deux parties et les bitcoins sont envoy\u00e9s \u00e0 la destination convenue.<\/li>\n<li>La transaction PayJoin est diffus\u00e9e sur le r\u00e9seau Bitcoin et appara\u00eet comme une transaction normale entre deux parties.<\/li>\n<\/ul>\n<h2>Portefeuilles prenant en charge PayJoin<\/h2>\n<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\">\n<li class=\"woocommerce-text-align-center woocommerce-image-align-center do-quantity-buttons product type-product post-132 status-publish first instock product_cat-portefeuilles-mobiles has-post-thumbnail shipping-taxable product-type-external\">\n\t<a href=\"https:\/\/h17n.com\/fr\/portefeuilles-mobiles\/bluewallet\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"BlueWallet : un portefeuille Bitcoin\" srcset=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-300x300.jpg 300w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-1024x1024.jpg 1024w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-150x150.jpg 150w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-768x768.jpg 768w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-120x120.jpg 120w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-600x600.jpg 600w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet-100x100.jpg 100w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/bluewallet.jpg 1080w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">BlueWallet : un portefeuille Bitcoin<\/h2>\n            <div class=\"star-rating\" title=\"Pas encore not\u00e9\"><span style=\"width:0%\"><strong class=\"rating\">0<\/strong> sur 5<\/span><\/div>        <a href=\"https:\/\/h17n.com\/fr\/portefeuilles-mobiles\/bluewallet\/#reviews\" class=\"woocommerce-review-link\" rel=\"nofollow\">(0)<\/a>\n\n\n<\/a><a href=\"https:\/\/bluewallet.io\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_132\" data-quantity=\"1\" class=\"button product_type_external\" data-product_id=\"132\" data-product_sku=\"\" aria-label=\"D\u00e9couvrir BlueWallet\" rel=\"nofollow\">D\u00e9couvrir BlueWallet<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_132\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"woocommerce-text-align-center woocommerce-image-align-center do-quantity-buttons product type-product post-104 status-publish instock product_cat-portefeuilles-materiels has-post-thumbnail shipping-taxable product-type-external\">\n\t<a href=\"https:\/\/h17n.com\/fr\/portefeuilles-materiels\/coldcard\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/hodle-safe-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Coldcard : un portefeuille Bitcoin en air gap\" srcset=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/hodle-safe-300x300.jpg 300w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/hodle-safe-150x150.jpg 150w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/hodle-safe-100x100.jpg 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Coldcard : un portefeuille Bitcoin en air gap<\/h2>\n            <div class=\"star-rating\" title=\"Pas encore not\u00e9\"><span style=\"width:0%\"><strong class=\"rating\">0<\/strong> sur 5<\/span><\/div>        <a href=\"https:\/\/h17n.com\/fr\/portefeuilles-materiels\/coldcard\/#reviews\" class=\"woocommerce-review-link\" rel=\"nofollow\">(0)<\/a>\n\n\n\t<span class=\"price\"><span class=\"woocommerce-Price-amount amount\"><bdi><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>140.00<\/bdi><\/span><\/span>\n<\/a><a href=\"https:\/\/coldcard.com\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_104\" data-quantity=\"1\" class=\"button product_type_external\" data-product_id=\"104\" data-product_sku=\"\" aria-label=\"D\u00e9couvrir Coldcard\" rel=\"nofollow\">D\u00e9couvrir Coldcard<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_104\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"woocommerce-text-align-center woocommerce-image-align-center do-quantity-buttons product type-product post-88 status-publish instock product_cat-portefeuilles-bitcoin product_cat-portefeuilles-de-bureau has-post-thumbnail shipping-taxable product-type-external\">\n\t<a href=\"https:\/\/h17n.com\/fr\/portefeuilles-de-bureau\/wasabi\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Wasabi : un portefeuille Bitcoin open source\" srcset=\"https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-300x300.jpg 300w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-150x150.jpg 150w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-768x768.jpg 768w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-120x120.jpg 120w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-600x600.jpg 600w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi-100x100.jpg 100w, https:\/\/h17n.com\/fr\/wp-content\/uploads\/sites\/2\/2023\/02\/portefeuille-wasabi.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><h2 class=\"woocommerce-loop-product__title\">Wasabi : un portefeuille Bitcoin open source<\/h2>\n            <div class=\"star-rating\" title=\"Pas encore not\u00e9\"><span style=\"width:0%\"><strong class=\"rating\">0<\/strong> sur 5<\/span><\/div>        <a href=\"https:\/\/h17n.com\/fr\/portefeuilles-de-bureau\/wasabi\/#reviews\" class=\"woocommerce-review-link\" rel=\"nofollow\">(0)<\/a>\n\n\n<\/a><a href=\"https:\/\/wasabiwallet.io\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_88\" data-quantity=\"1\" class=\"button product_type_external\" data-product_id=\"88\" data-product_sku=\"\" aria-label=\"D\u00e9couvrir Wasabi\" rel=\"nofollow\">D\u00e9couvrir Wasabi<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_88\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n<p>PayJoin est un d\u00e9veloppement important pour la confidentialit\u00e9 des bitcoins, car il permet d&rsquo;accro\u00eetre la confidentialit\u00e9 sans exiger des utilisateurs qu&rsquo;ils sacrifient la commodit\u00e9 et la rapidit\u00e9 d&rsquo;une transaction bitcoin ordinaire. En outre, PayJoin peut contribuer \u00e0 am\u00e9liorer la <a href=\"https:\/\/bitcoins.net\/investing\/fungibility\" rel=\"nofollow noopener\" target=\"_blank\">fongibilit\u00e9 des bitcoins<\/a>. La fongibilit\u00e9 des bitcoins signifie que tous les bitcoins sont consid\u00e9r\u00e9s comme \u00e9gaux et ont la m\u00eame valeur, quel que soit l&rsquo;historique de leurs transactions ou leur origine. Cela permet \u00e0 une unit\u00e9 de bitcoin d&rsquo;\u00eatre interchangeable avec n&rsquo;importe quelle autre unit\u00e9 de bitcoin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PayJoin (\u00e9galement connu sous le nom de \u00ab P2EP \u00bb ou \u00ab Pay-to-EndPoint \u00bb) est une technique d&rsquo;am\u00e9lioration de la confidentialit\u00e9 des &#8230; <a title=\"Qu&rsquo;est-ce que PayJoin ?\" class=\"read-more\" href=\"https:\/\/h17n.com\/fr\/quest-ce-que-payjoin\/\" aria-label=\"En savoir plus sur Qu&rsquo;est-ce que PayJoin ?\">Lire plus<\/a><\/p>\n","protected":false},"author":6,"featured_media":837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[217,215],"tags":[],"class_list":["post-834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-confidentialite","category-technologie-du-bitcoin"],"_links":{"self":[{"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/posts\/834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/comments?post=834"}],"version-history":[{"count":3,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/posts\/834\/revisions"}],"predecessor-version":[{"id":840,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/posts\/834\/revisions\/840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/media\/837"}],"wp:attachment":[{"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/media?parent=834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/categories?post=834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/h17n.com\/fr\/wp-json\/wp\/v2\/tags?post=834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}