{"id":32461,"date":"2020-03-06T06:00:00","date_gmt":"2020-03-06T06:00:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=32461"},"modified":"2023-06-26T11:06:55","modified_gmt":"2023-06-26T11:06:55","slug":"c-est-quoi-un-fork-5803","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/exclusives\/c-est-quoi-un-fork-5803\/","title":{"rendered":"C&#8217;est quoi un fork?"},"content":{"rendered":"<p>Dans le domaine de l&rsquo;ing&eacute;nierie, un fork (ou &laquo;&nbsp;fourche&nbsp;&raquo; en fran&ccedil;ais) se produit lorsque les d&eacute;veloppeurs d&rsquo;un logiciel, &agrave; partir d&rsquo;une copie du code source, commencent un d&eacute;veloppement ind&eacute;pendant sur celui-ci. Ainsi, une version distincte du logiciel est s&eacute;par&eacute;e et cr&eacute;&eacute;e.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5e6\/19a81394ff.jpg\" alt=\"iStock:AntonioGuillem\" srcset=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5e6\/19a81394ff.jpg 300w, https:\/\/cimg.co\/w\/articles-attachments\/2\/5e6\/19a81394ff.jpg 600w, https:\/\/cimg.co\/w\/articles-attachments\/3\/5e6\/19a81394ff.jpg 720w, https:\/\/cimg.co\/w\/articles-attachments\/4\/5e6\/19a81394ff.jpg 900w, https:\/\/cimg.co\/w\/articles-attachments\/0\/5e6\/19a81394ff.jpg 1254w\" sizes=\"100vw\"><\/figure><p>AntonioGuillem<\/p><p>Le projet <strong>Linux<\/strong> d&eacute;finit le code source d&rsquo;un logiciel comme &eacute;tant&nbsp;: &laquo;&nbsp;la version d&rsquo;un logiciel telle qu&rsquo;elle est &eacute;crite &agrave; l&rsquo;origine (c&rsquo;est-&agrave;-dire tap&eacute;e via un ordinateur) par un humain en caract&egrave;res alphanum&eacute;riques lisibles &raquo;.<\/p><p>Dans le cas de <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/fr\/tags\/bitcoin\/\"><strong>Bitcoin<\/strong><\/a>, le code source est ouvert, vous avez s&ucirc;rement d&eacute;j&agrave; entendu le terme &laquo;&nbsp;open-source&nbsp;&raquo;. Cela signifie que tout le monde peut acc&eacute;der au code source, le modifier, le partager.<\/p><p>Je vous vois venir et non, vous ne pouvez pas modifier le code source de Bitcoin comme bon vous semble. Par contre, il est possible pour vous de copier le code source de Bitcoin et de le modifier pour cr&eacute;er votre propre version de Bitcoin, une copie de Bitcoin en somme. Il vous faudra donc convaincre la communaut&eacute; que votre version est meilleure que celle existante et dans ce cas, il est possible qu&rsquo;un fork soit adopt&eacute;. Personne ne poss&egrave;de le r&eacute;seau Bitcoin, de la m&ecirc;me mani&egrave;re que personne ne poss&egrave;de la technologie qui se cache derri&egrave;re le courrier &eacute;lectronique.<\/p><p>Bitcoin est contr&ocirc;l&eacute; par tous les utilisateurs de Bitcoin dans le monde entier. Alors que les d&eacute;veloppeurs am&eacute;liorent le logiciel, ils ne peuvent pas forcer un changement dans le protocole Bitcoin car tous les utilisateurs sont libres de choisir le logiciel et la version qu&#8217;ils utilisent. Afin de rester compatibles entre eux, tous les utilisateurs doivent utiliser des logiciels respectant les m&ecirc;mes r&egrave;gles. Bitcoin ne peut fonctionner correctement qu&#8217;avec un consensus complet entre la majorit&eacute; des utilisateurs.<\/p><p><strong>Lire aussi&nbsp;: <\/strong><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/fr\/exclusives\/attaque-des-51-prendre-le-contr-le-du-reseau-2174\/\"><strong>Attaque des 51%<\/strong><\/a><\/p><p>Il existe deux classifications de forks&nbsp;: les forks accidentels et les forks intentionnels.&nbsp;<br>En effet, si deux mineurs produisent un bloc valide quasi-simultan&eacute;ment, alors un fork accidentel se produira. Ce fork s&rsquo;arr&ecirc;tera lorsque les blocs suivants seront valid&eacute;s et que l&rsquo;une des deux cha&icirc;nes deviendra plus grande que l&rsquo;autre. Le r&eacute;seau abandonnera donc les blocs qui ne composent pas la cha&icirc;ne la plus longue et ces blocs seront dits &laquo;&nbsp;orphelins&nbsp;&raquo;.<\/p><p>Par ailleurs, les forks peuvent &ecirc;tre intentionnels et vouloir faire &eacute;voluer les r&egrave;gles de gouvernance d&rsquo;une cha&icirc;ne de blocs. Nous connaissons deux types de forks intentionnels&nbsp;:<\/p><ul><li>Les hard forks&nbsp;: une modification radicale du protocole qui requiert que l&rsquo;ensemble des n&oelig;uds et utilisateurs adoptent la derni&egrave;re version. Un hard fork &eacute;merge lorsque la majorit&eacute; des n&oelig;uds de la derni&egrave;re version d&rsquo;une cha&icirc;ne de blocs refuse la version actuelle, ce qui provoque une divergence permanente.<\/li><li>Les soft forks&nbsp;: une non-application d&rsquo;une ou plusieurs r&egrave;gles suivies par les utilisateurs r&eacute;cemment mis-&agrave;-jour.<\/li><\/ul><p>Les soft forks et les hard forks sont fondamentalement similaires car lorsque le code existant d&rsquo;une cha&icirc;ne de blocs est modifi&eacute;, une ex-version est maintenue sur le r&eacute;seau tandis qu&rsquo;une nouvelle a &eacute;t&eacute; cr&eacute;&eacute;e. Lors d&rsquo;un soft fork, uniquement une cha&icirc;ne de blocs sera valide tandis que dans le cas d&rsquo;un hard fork, l&rsquo;ancienne et la nouvelle version de la cha&icirc;ne de blocs cohabitent c&ocirc;te &agrave; c&ocirc;te, ce qui implique que le code source doit &ecirc;tre mis-&agrave;-jour pour &ecirc;tre ex&eacute;cuter via les r&egrave;gles nouvellement &eacute;tablies.<\/p><p>Les deux types de forks fondent une rupture, mais seul le hard fork produit deux cha&icirc;nes de blocs quand un soft fork n&rsquo;est cens&eacute; n&rsquo;en produire qu&rsquo;une.<\/p><p>&Eacute;tant donn&eacute; les diff&eacute;rences de s&eacute;curit&eacute; entre les hard forks et les soft forks, la quasi-majorit&eacute; des utilisateurs et des d&eacute;veloppeurs revendiquent des hard forks, m&ecirc;me lorsqu&rsquo;un soft fork semble suffisant.<\/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 :<\/strong><\/p><ul><li>Au poker sur la plateforme de jeux <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/coinpoker.com\/crypto\">CoinPoker<\/a><\/li><li>&Agrave; un fantasy football mondial sur la plateforme <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/sorare.pxf.io\/c\/2102999\/902742\/12209\">Sorare<\/a><\/li><\/ul><p>Restez inform&eacute; gr&acirc;ce &agrave; <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.getrevue.co\/profile\/CryptonewsFR\"><strong>notre newsletter hebdomadaire gratuite<\/strong><\/a><strong> <\/strong>et &agrave; nos r&eacute;seaux sociaux:<\/p><ul><li><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/twitter.com\/cryptonews_FR\"><strong>Twitter<\/strong><\/a><strong>&nbsp;<\/strong><\/li><li><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/t.me\/cryptonews_FR\"><strong>Telegram<\/strong><\/a><\/li><li><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.linkedin.com\/company\/11745115\"><strong>LinkedIn<\/strong><\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Dans le domaine de l&rsquo;ing&eacute;nierie, un fork (ou &laquo;&nbsp;fourche&nbsp;&raquo; en fran&ccedil;ais) se produit lorsque les d&eacute;veloppeurs d&rsquo;un logiciel, &agrave; partir d&rsquo;une copie du code source, commencent un d&eacute;veloppement ind&eacute;pendant sur celui-ci. Ainsi, une version distincte du logiciel est s&eacute;par&eacute;e et cr&eacute;&eacute;e.AntonioGuillemLe projet Linux d&eacute;finit le code source d&rsquo;un logiciel comme &eacute;tant&nbsp;: &laquo;&nbsp;la version d&rsquo;un logiciel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,2],"tags":[],"editors":[1512],"sponsored_companies":[],"class_list":["post-32461","post","type-post","status-publish","format-standard","hentry","category-features","category-exclusives","editors-boris-nedeltchev"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C&#039;est quoi un fork?<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez ce qu&#039;est un fork dans l&#039;univers des cryptomonnaies\" \/>\n<meta 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