{"id":77233,"date":"2022-04-29T05:00:00","date_gmt":"2022-04-29T05:00:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=77233"},"modified":"2023-06-26T11:07:10","modified_gmt":"2023-06-26T11:07:10","slug":"here-is-how-bip-199-could-kill-bitcoin-according-to-andreas-antonopoulos-fr","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/here-is-how-bip-199-could-kill-bitcoin-according-to-andreas-antonopoulos-fr\/","title":{"rendered":"Les avertissements d&#8217;Andreas Antonopoulos concernant l&#8217;impact du BIP-199 sur Bitcoin (BTC)"},"content":{"rendered":"<p><strong>Andreas Antonopoulos<\/strong>, &eacute;ducateur, auteur et entrepreneur Bitcoin (BTC), a fait part de son inqui&eacute;tude concernant les cons&eacute;quences de la proposition d&#8217;am&eacute;lioration du Bitcoin (<i>Bitcoin Improvement Proposal<\/i>, BIP) 119 qui, selon lui, pourrait &#8221; tuer &#8221; le Bitcoin.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/77130\/185884\/adobestock-297754917-min.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/77130\/185884\/responsive-images\/adobestock-297754917-min___media_library_original_1182_788.jpg 1182w, https:\/\/cimg.co\/news\/77130\/185884\/responsive-images\/adobestock-297754917-min___media_library_original_900_600.jpg 900w, https:\/\/cimg.co\/news\/77130\/185884\/responsive-images\/adobestock-297754917-min___media_library_original_720_480.jpg 720w, https:\/\/cimg.co\/news\/77130\/185884\/responsive-images\/adobestock-297754917-min___media_library_original_600_400.jpg 600w, https:\/\/cimg.co\/news\/77130\/185884\/responsive-images\/adobestock-297754917-min___media_library_original_300_200.jpg 300w\" sizes=\"100vw\" width=\"1182\" class=\"content-img\"><figcaption>Source: Adobe\/Siarhei<\/figcaption><\/figure><p>Propos&eacute;e par <strong>Jeremy Rubin<\/strong>, d&eacute;veloppeur Bitcoin et fondateur de l&#8217;organisation de recherche et de d&eacute;veloppement Bitcoin <strong>Judica<\/strong>, la BIP-119, &eacute;galement connue sous le nom de <i>CheckTemplateVerify<\/i> (CTV), est un &ldquo;soft fork&rdquo; qui vise &agrave; permettre de nouveaux cas d&#8217;utilisation du r&eacute;seau Bitcoin en ajoutant un type de &#8220;covenant&#8221;.<\/p><p>Un covenant est similaire &agrave; ce que l&#8217;on appelle un contrat intelligent sur la blockchain Ethereum (ETH). En termes simples, un covenant est un m&eacute;canisme qui permettrait aux utilisateurs d&#8217;appliquer des conditions sur la fa&ccedil;on dont les BTC dans un portefeuille peuvent &ecirc;tre transf&eacute;r&eacute;s &agrave; l&#8217;avenir.<\/p><p>&Agrave; l&#8217;heure actuelle, la programmabilit&eacute; de Bitcoin est largement limit&eacute;e au niveau de base des transactions. Par exemple, en utilisant Bitcoin Script, un programmeur peut restreindre ce qui peut &ecirc;tre fait avant qu&#8217;une transaction soit effectu&eacute;e. De m&ecirc;me, &agrave; l&#8217;aide d&#8217;un timelock, il est possible de fixer un d&eacute;lai sp&eacute;cifique avant qu&#8217;une transaction ne puisse &ecirc;tre r&eacute;alis&eacute;e.<\/p><p>Covenant vise &agrave; apporter plus de programmabilit&eacute; &agrave; Bitcoin en permettant aux programmeurs de contr&ocirc;ler la fa&ccedil;on dont les bitcoins peuvent &ecirc;tre d&eacute;pens&eacute;s &agrave; l&#8217;avenir. Gr&acirc;ce &agrave; Covenant, il sera possible de mettre certaines adresses sur une liste blanche ou noire, ce qui limitera l&#8217;endroit o&ugrave; les BTC pourront &ecirc;tre d&eacute;pens&eacute;s, m&ecirc;me pour la personne qui poss&egrave;de la cl&eacute; de ces bitcoins.<\/p><h2>Des cons&eacute;quences inattendues<\/h2><span class=\"replacer\"><\/span><p>Alors que l&#8217;auteur du BIP-119 affirme que la proposition comprend essentiellement des engagements simples, Antonopoulos a fait valoir que la proposition pourrait potentiellement entra&icirc;ner des cons&eacute;quences inattendues ou involontaires.<\/p><p>Plus pr&eacute;cis&eacute;ment, Antonopoulos estime qu&rsquo;elle pourrait &ldquo;tuer&rdquo; Bitcoin si elle apporte un soutien aux clauses r&eacute;cursives. On parle de clause r&eacute;cursive lorsqu&#8217;un programmeur limite non seulement la prochaine transaction, mais aussi impose une limite de telle sorte qu&#8217;elle limite la transaction suivante, qui limite la transaction suivante, etc.<\/p><p>Cela cr&eacute;erait des d&eacute;fis tr&egrave;s importants pour Bitcoin. Par exemple, en utilisant une alliance r&eacute;cursive, un programmeur pourrait limiter la liste des adresses o&ugrave; les BTC pourraient &ecirc;tre envoy&eacute;s &agrave; l&#8217;avenir. De cette fa&ccedil;on, ce BTC sp&eacute;cifique ne serait plus fongible et se distinguerait des autres bitcoins qui peuvent &ecirc;tre envoy&eacute;s &agrave; tout le monde, cr&eacute;ant ainsi une nouvelle cat&eacute;gorie de BTC.<\/p><p>De plus, lorsque les utilisateurs ont la possibilit&eacute; de mettre certaines adresses sur liste noire, il est fort probable que les gouvernements et les r&eacute;gulateurs interviennent et commencent &agrave; interdire certaines adresses.<\/p><blockquote><p>&#8220;Et alors vous vous retrouverez essentiellement avec PayPal, mais pas tr&egrave;s &eacute;volutif&#8221;, a d&eacute;clar&eacute; Antonopoulos.&nbsp;<\/p><\/blockquote><p>Il convient de noter qu&#8217;il s&#8217;agit du sc&eacute;nario le plus pessimiste. N&eacute;anmoins, il y a plus de controverse autour de la proposition.<\/p><p>De son c&ocirc;t&eacute;, Rubin affirme que le BIP-119 est pr&ecirc;t et a demand&eacute; que sa mise en &oelig;uvre soit r&eacute;alis&eacute;e via le processus d&#8217;essai rapide : les mineurs auraient alors trois ou quatre mois pour signaler leur soutien &agrave; la proposition. Pendant cette p&eacute;riode, si plus de 95 % des mineurs votent en faveur de la proposition au cours d&#8217;une p&eacute;riode de deux semaines, celle-ci sera activ&eacute;e.<\/p><p>Toutefois, pour qu&#8217;une proposition soit mise en &oelig;uvre, elle doit b&eacute;n&eacute;ficier d&#8217;un soutien massif de la part des utilisateurs, des d&eacute;veloppeurs, des portefeuilles et des exchanges, et pas seulement des mineurs. Et si une proposition est adopt&eacute;e sans le soutien de toutes ces cat&eacute;gories, elle pourrait m&ecirc;me entra&icirc;ner un hard fork.<\/p><p>Pour l&#8217;instant, la proposition ne semble pas b&eacute;n&eacute;ficier d&#8217;un soutien massif de la part de toutes ces cat&eacute;gories, &eacute;galement connues sous le nom de circonscriptions de consensus, a d&eacute;clar&eacute; M. Antonopoulos.&nbsp;<\/p><p>Il a ajout&eacute; que la proposition doit &eacute;galement faire l&#8217;objet de tests, de r&eacute;visions et d&#8217;audits approfondis avant d&#8217;&ecirc;tre mise en &oelig;uvre.<\/p><p>Faisant &eacute;cho &agrave; ce point de vue, <strong>Adam Back<\/strong>, cofondateur de la soci&eacute;t&eacute; de technologie blockchain <strong>Blockstream<\/strong>, a d&eacute;clar&eacute; que la proposition devait &ecirc;tre examin&eacute;e en profondeur. Il a &eacute;galement fait valoir que les d&eacute;veloppeurs devraient envisager d&#8217;autres alternatives avant d&#8217;aller de l&#8217;avant.<\/p><p>&#8220;Il est d&eacute;cevant de voir quelqu&#8217;un tenter de contourner ou d&#8217;ignorer l&#8217;examen ou tout autre raisonnement&#8221;, a-t-il <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/twitter.com\/adam3us\/status\/1517178805831577600\">tweet&eacute;<\/a>. Back a d&eacute;clar&eacute; qu&#8217;il y a &#8220;de multiples alternatives qui ont &eacute;t&eacute; propos&eacute;es sur la dev-list&#8221;.<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/adam3us\/status\/1517179103387996160\"><\/oembed><\/figure><p>De m&ecirc;me, <strong>Matt Corallo<\/strong>, &eacute;galement cofondateur de Blockstream et ing&eacute;nieur open source chez <strong>Block\/Spiral<\/strong>, <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/twitter.com\/TheBlueMatt\/status\/1477818570394329090?s=20\">estime<\/a> que la pression exerc&eacute;e sur le BIP-119 est &#8220;mauvaise &agrave; presque tous les &eacute;gards&#8221;. &#8220;Au lieu d&#8217;une ing&eacute;nierie collaborative, on a l&#8217;impression que c&#8217;est &#8220;j&#8217;ai construit &ccedil;a, faisons-le&#8221; tout en ignorant tout retour d&#8217;information&#8221;, a-t-il &eacute;crit.<\/p><p>Rubin a toutefois <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/rubin.io\/bitcoin\/2022\/04\/17\/next-steps-bip119\/\">&eacute;num&eacute;r&eacute;<\/a> un certain nombre de raisons pour lesquelles il pense que la proposition est valable. Parmi les avantages les plus notables, la proposition am&eacute;liorerait la programmabilit&eacute; de Bitcoin, permettant aux paiements d&#8217;&ecirc;tre programm&eacute;s pour une date sp&eacute;cifique ou plusieurs dates.<\/p><h3><strong>Suivez nos liens d&#8217;affili&eacute;s:<\/strong><\/h3><ul><li><strong>Pour acheter des cryptomonnaies en Zone SEPA, Europe et citoyens fran&ccedil;ais<\/strong>, visitez <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.coinhouse.com\/r\/179207\">Coinhouse<\/a><\/li><li><strong>Pour acheter des cryptomonnaies au Canada<\/strong>, visitez <a target=\"_blank\" rel=\"noopener  sponsored nofollow\" href=\"https:\/\/rapi.cryptonews.com\/ext\/bitbuy\/fr\">Bitbuy<\/a><\/li><li><strong>Pour g&eacute;n&eacute;rer des int&eacute;r&ecirc;ts gr&acirc;ce &agrave; vos bitcoins<\/strong>, allez sur le site de <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/blockfi.mxuy67.net\/kqG6x\">BlockFi<\/a><\/li><li><strong>Pour s&eacute;curiser ou stocker vos cryptomonnaies<\/strong>, procurez-vous les portefeuilles <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/shop.ledger.com\/?r=12b53b98a1c0&amp;tracker=CN-FR\">Ledger<\/a> ou <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/shop.trezor.io\/?offer_id=82&amp;aff_id=1814\">Trezor<\/a><\/li><li><strong>Pour transiger vos cryptos de fa&ccedil;on anonyme<\/strong>, installez l&#8217;application <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/go.nordvpn.net\/aff_c?offer_id=252&amp;aff_id=54152&amp;url_id=14818\">NordVPN<\/a><\/li><\/ul><p><strong>Pour investir dans le minage de cryptomonnaies ou les masternodes:<\/strong><\/p><ul><li><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/feel-mining.com\/?tracking=1ED831AFAB\">Feel Mining<\/a><\/li><li><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.just-mining.com\/register?sponsor=aNJ7nRa0m3qvgi6LkMXAZX506\">Just Mining<\/a><\/li><\/ul><p><strong>Pour accumuler des cryptos en jouant 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href=\"https:\/\/www.linkedin.com\/company\/11745115\"><strong>LinkedIn<\/strong><\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Andreas Antonopoulos, &eacute;ducateur, auteur et entrepreneur Bitcoin (BTC), a fait part de son inqui&eacute;tude concernant les cons&eacute;quences de la proposition d&#8217;am&eacute;lioration du Bitcoin (Bitcoin Improvement Proposal, BIP) 119 qui, selon lui, pourrait &#8221; tuer &#8221; le Bitcoin.Source: Adobe\/SiarheiPropos&eacute;e par Jeremy Rubin, d&eacute;veloppeur Bitcoin et fondateur de l&#8217;organisation de recherche et de d&eacute;veloppement Bitcoin Judica, la [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,1],"tags":[44,85,127,155],"editors":[2550],"sponsored_companies":[],"class_list":["post-77233","post","type-post","status-publish","format-standard","hentry","category-bitcoin-news","category-news","tag-bitcoin","tag-blockchain","tag-communaute","tag-transactions","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les avertissements d&#039;Andreas Antonopoulos concernant l&#039;impact du BIP-199 sur Bitcoin (BTC)<\/title>\n<meta name=\"description\" content=\"Les inqui\u00e9tudes d&#039;Andreas Antonopoulos concernant les cons\u00e9quences de la proposition d&#039;am\u00e9lioration du Bitcoin 119 sont-elles fond\u00e9es ?\" \/>\n<meta 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