{"id":2128,"date":"2021-02-23T11:30:25","date_gmt":"2021-02-23T09:30:25","guid":{"rendered":"https:\/\/walloftraders.com\/blog\/?p=2117"},"modified":"2023-02-07T11:02:36","modified_gmt":"2023-02-07T10:02:36","slug":"quest-ce-que-ethereum-smart-contracts-applications-decentralisees","status":"publish","type":"post","link":"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/","title":{"rendered":"Qu&rsquo;est-ce que Ethereum (ETH)? Smart Contracts et Applications D\u00e9centralis\u00e9es"},"content":{"rendered":"\n<p class=\"has-very-dark-black-color has-text-color\">D\u00e9but\u00e9 en 2014 par Vitalik Buterin et lanc\u00e9 en 2015, Ethereum est une <a href=\"https:\/\/walloftraders.com\/blog\/notre-top-5-crypto-de-2023\/\">blockchain de crypto-monnaies<\/a> open source d\u00e9centralis\u00e9e. Il apporte la fonctionnalit\u00e9 de Smart Contract. En termes simples, il s&rsquo;agit d&rsquo;une plateforme informatique et d&rsquo;un syst\u00e8me d&rsquo;exploitation open source. Il utilise Ether comme crypto monnaie par d\u00e9faut de la plateforme.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Tout d\u00e9veloppeur peut <a href=\"http:\/\/ethereum.org\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">cr\u00e9er et publier des applications sur cette blockchain<\/a>. Ethereum est livr\u00e9 avec un langage de programmation (Solidity) et une plateforme. L&rsquo;\u00e9ther peut \u00eatre consid\u00e9r\u00e9 comme le sang qui circule autour du corps d&rsquo;Ethereum. L&rsquo;\u00e9ther, comme toute autre crypto monnaie \u00e9changeable, peut \u00eatre trad\u00e9 sur le march\u00e9 de la crypto monnaie et sur le march\u00e9 des changes, le Forex. Il est \u00e9galement utilis\u00e9 pour ex\u00e9cuter des applications et mon\u00e9tiser le travail sur la plateforme Ethereum.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.assetsdelivery.com\/compings_v2\/pedrosek\/pedrosek1710\/pedrosek171000004.jpg\" alt=\"Crypto-monnaie Ethereum\"\/><\/figure><\/div>\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/#Quest-ce_que_Ethereum_Les_Smart_Contracts\" >Qu&rsquo;est-ce que Ethereum : Les Smart Contracts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/#Quest-ce_que_Ethereum_classique\" >Qu&rsquo;est-ce que Ethereum classique<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/#Minage_et_Staking\" >Minage et Staking<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/#Holding_et_Trading\" >Holding et Trading<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"qu-est-ce-que-ethereum-les-smart-contracts\"><span class=\"ez-toc-section\" id=\"Quest-ce_que_Ethereum_Les_Smart_Contracts\"><\/span>Qu&rsquo;est-ce que Ethereum : Les Smart Contracts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">En tant que plateforme, il permet de cr\u00e9er et d&rsquo;ex\u00e9cuter des smart contracts et des applications d\u00e9centralis\u00e9es sans fraude ni contr\u00f4le ni interf\u00e9rence de tiers. Avec Ether, les smart contracts effectuent automatiquement les transactions et toutes les autres actions convenues par les deux parties. Par cons\u00e9quent, les utilisateurs peuvent effectuer des transactions s\u00fbres et fiables entre eux.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.assetsdelivery.com\/compings_v2\/thodonal\/thodonal2008\/thodonal200801323.jpg\" alt=\"Contrat intelligent sur Ethereum \"\/><\/figure><\/div>\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Les smart contracts sont auto-ex\u00e9cutables et ils suivent les commandes \u00e0 la lettre. Lorsqu&rsquo;on leur demande d&rsquo;effectuer un certain paiement, ils ne font rien d&rsquo;autre que cela. Ils sont immuables l\u00e0 et m\u00eame l&rsquo;auteur ne peut pas le changer. Ils forment des contrats complexes difficiles \u00e0 obtenir. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"qu-est-ce-que-ethereum-classique\"><span class=\"ez-toc-section\" id=\"Quest-ce_que_Ethereum_classique\"><\/span>Qu&rsquo;est-ce que Ethereum classique<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Comme de nombreuses jeunes entreprises, Ethereum a subi des activit\u00e9s malveillantes lorsque des fonds d&rsquo;une valeur de 50 millions de dollars ont \u00e9t\u00e9 vol\u00e9s. Ce sont des fonds qui avaient \u00e9t\u00e9 lev\u00e9s sur la plateforme en 2016. Tout est survenu lorsque Ethereum a d\u00e9velopp\u00e9 une DAO (organisation autonome d\u00e9centralis\u00e9e) qui permettait aux utilisateurs de d\u00e9poser de l&rsquo;argent et d&rsquo;obtenir des retours en fonction des investissements r\u00e9alis\u00e9s par DAO.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Les d\u00e9cisions sur DAO \u00e9taient prises par toute la communaut\u00e9 et d\u00e9centralis\u00e9es. Quelqu&rsquo;un a trouv\u00e9 une faille et a vol\u00e9 de l&rsquo;argent au syst\u00e8me. Cela a conduit \u00e0 la scission et \u00e0 l&rsquo;avancement d&rsquo;Ethereum en deux blockchains distinctes, Ethereum Classic qui est l&rsquo;original et Ethereum. Le nouveau \u00e9tait plus r\u00e9sistant contre d&rsquo;\u00e9ventuelles attaques de logiciels malveillants.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"minage-et-staking\"><span class=\"ez-toc-section\" id=\"Minage_et_Staking\"><\/span>Minage et Staking<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Si quelqu&rsquo;un envisage de gagner de l&rsquo;argent avec Ethereum, il le peut. Tout comme Bitcoin, n&rsquo;importe qui peut gagner de l&rsquo;argent gr\u00e2ce au minage. Le minage est un processus dans lequel les op\u00e9rateurs informatiques se font concurrence pour r\u00e9soudre un probl\u00e8me de calcul. Un extrait r\u00e9ussi ajoute un nouveau bloc \u00e0 la blockchain. Ces blocs permettent de cr\u00e9er des applications d\u00e9centralis\u00e9es. Les mineurs sont r\u00e9compens\u00e9s par des jetons Ether.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.assetsdelivery.com\/compings_v2\/nexusplexus\/nexusplexus1906\/nexusplexus190600383.jpg\" alt=\"L'essence de la crypto-monnaie\"\/><\/figure><\/div>\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Ethereum peut \u00eatre stak\u00e9 pour faire un profit. Le staking signifie \u00eatre un validateur pour v\u00e9rifier les transactions en mettant votre Ether comme garantie appel\u00e9e collat\u00e9ral. En tant que validateur, vous stockez des donn\u00e9es, traitez des transactions et ajoutez de nouveaux blocs \u00e0 la blockchain. Lorsque les utilisateurs paient pour initier des actions dans la blockchain, on gagne un petit pourcentage des frais pay\u00e9s dans Ether.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"holding-et-trading\"><span class=\"ez-toc-section\" id=\"Holding_et_Trading\"><\/span>Holding et Trading<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">L&rsquo;achat et la d\u00e9tention sont un moyen populaire de faire du profit sur n&rsquo;importe quelle crypto monnaie. On peut acheter Ethereum lorsqu&rsquo;il est sous-\u00e9valu\u00e9. On surveillera le march\u00e9 et attendra que la valeur augmente avant de le vendre. L&rsquo;achat et la d\u00e9tention peuvent prendre des mois ou des ann\u00e9es en fonction de ses d\u00e9sirs et de ses objectifs de profit. Pour un investissement \u00e0 long terme dans Ethereum, il est conseill\u00e9 de stocker ses jetons sur un portefeuille hors \u00e9change. Ce portefeuille est plus s\u00e9curis\u00e9.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Comme mentionn\u00e9 pr\u00e9c\u00e9demment, Ethereum est tradable sur le march\u00e9 de la crypto monnaie et sur le march\u00e9 des changes. C&rsquo;est la deuxi\u00e8me plus grande crypto monnaie apr\u00e8s Bitcoin. Il faudra choisir un courtier, qui prend en charge l&rsquo;achat et la vente, mais on devra investir du temps pour \u00e9tudier le march\u00e9 avant de passer au trading en direct.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Pour \u00e9changer Ethereum, vous pouvez utiliser <a href=\"http:\/\/walloftraders.com\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">la meilleure plateforme de trading gratuite pour le Smart Trading avanc\u00e9 et le Copy Trading<\/a>. Et c&rsquo;est 100% gratuit gr\u00e2ce au programme des courtiers Binance.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Il est \u00e0 noter qu&rsquo;Ethereum est un investissement sp\u00e9culatif, on peut perdre son argent. Les gens qui y investissent devraient investir de l&rsquo;argent qu&rsquo;ils peuvent facilement perdre. Ethereum est avantageux du fait qu&rsquo;il est liquide, pr\u00e9sentant un risque d&rsquo;inflation plus faible. \u00c9tant nouveau, il peut voir des fluctuations impr\u00e9visibles des prix et de la volatilit\u00e9 qui peuvent apporter des gains en retour.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Nous esp\u00e9rons que vous avez aim\u00e9 cet article sur Ethereum. Vous pouvez le partager et publier un commentaire. Nous r\u00e9pondrons \u00e0 toutes les questions.<\/p>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\">Pour en apprendre plus sur les principales crypto monnaies, vous pouvez lire nos autres articles  sur <a href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-le-bitcoin\/\">Bitcoin<\/a>, <a href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-binance-coin-bnb\/\">Binance Coin<\/a>, <a href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-polkadot-dot-un-web-pour-toutes-les-blockchains\/\">Polkadot<\/a>, <a href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-cardano-ada-la-blockchain-open-source\/\">Cardano<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p class=\"has-very-dark-black-color has-text-color\"><em>Cet article n&rsquo;est pas un conseil d&rsquo;investissement. Faites vos propres recherches avant d&rsquo;investir sur le march\u00e9 des crypto monnaies.<\/em><\/p>\n\n\n\n<div class=\"swp_social_panel swp_horizontal_panel swp_flat_fresh  swp_default_full_color swp_individual_full_color swp_other_full_color scale-100  scale-\" data-min-width=\"1100\" data-float-color=\"#ffffff\" data-float=\"none\" data-float-mobile=\"none\" data-transition=\"slide\" data-post-id=\"2128\" ><div class=\"nc_tweetContainer swp_share_button swp_twitter\" data-network=\"twitter\"><a class=\"nc_tweet swp_share_link\" rel=\"nofollow noreferrer noopener\" target=\"_blank\" href=\"https:\/\/twitter.com\/intent\/tweet?text=Qu%27est-ce+que+Ethereum+%28ETH%29%3F+Smart+Contracts+et+Applications+D%C3%A9centralis%C3%A9es&url=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F&via=WallOfTraders\" data-link=\"https:\/\/twitter.com\/intent\/tweet?text=Qu%27est-ce+que+Ethereum+%28ETH%29%3F+Smart+Contracts+et+Applications+D%C3%A9centralis%C3%A9es&url=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F&via=WallOfTraders\"><span class=\"swp_count swp_hide\"><span class=\"iconFiller\"><span class=\"spaceManWilly\"><i class=\"sw swp_twitter_icon\"><\/i><span class=\"swp_share\">Tweetez<\/span><\/span><\/span><\/span><\/a><\/div><div class=\"nc_tweetContainer swp_share_button swp_facebook\" data-network=\"facebook\"><a class=\"nc_tweet swp_share_link\" rel=\"nofollow noreferrer noopener\" target=\"_blank\" href=\"https:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F\" data-link=\"https:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F\"><span class=\"swp_count swp_hide\"><span class=\"iconFiller\"><span class=\"spaceManWilly\"><i class=\"sw swp_facebook_icon\"><\/i><span class=\"swp_share\">Partagez<\/span><\/span><\/span><\/span><\/a><\/div><div class=\"nc_tweetContainer swp_share_button swp_linkedin\" data-network=\"linkedin\"><a class=\"nc_tweet swp_share_link\" rel=\"nofollow noreferrer noopener\" target=\"_blank\" href=\"https:\/\/www.linkedin.com\/cws\/share?url=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F\" data-link=\"https:\/\/www.linkedin.com\/cws\/share?url=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F\"><span class=\"swp_count swp_hide\"><span class=\"iconFiller\"><span class=\"spaceManWilly\"><i class=\"sw swp_linkedin_icon\"><\/i><span class=\"swp_share\">Partagez<\/span><\/span><\/span><\/span><\/a><\/div><div class=\"nc_tweetContainer swp_share_button swp_pinterest\" data-network=\"pinterest\"><a rel=\"nofollow noreferrer noopener\" class=\"nc_tweet swp_share_link noPop\" href=\"https:\/\/pinterest.com\/pin\/create\/button\/?url=https%3A%2F%2Fwalloftraders.com%2Fblog%2Fquest-ce-que-ethereum-smart-contracts-applications-decentralisees%2F\" onClick=\"event.preventDefault(); \r\n\t\t\t\t\t\t\tvar e=document.createElement('script');\r\n\t\t\t\t\t\t\te.setAttribute('type','text\/javascript');\r\n\t\t\t\t\t\t\te.setAttribute('charset','UTF-8');\r\n\t\t\t\t\t\t\te.setAttribute('src','\/\/assets.pinterest.com\/js\/pinmarklet.js?r='+Math.random()*99999999);\r\n\t\t\t\t\t\t\tdocument.body.appendChild(e);\r\n\t\t\t\t\t\t\" ><span class=\"swp_count swp_hide\"><span class=\"iconFiller\"><span class=\"spaceManWilly\"><i class=\"sw swp_pinterest_icon\"><\/i><span class=\"swp_share\">Enregistrer<\/span><\/span><\/span><\/span><\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9but\u00e9 en 2014 par Vitalik Buterin et lanc\u00e9 en 2015, Ethereum est une blockchain de crypto-monnaies open source d\u00e9centralis\u00e9e. Il apporte la fonctionnalit\u00e9 de Smart Contract. En termes simples, il s&rsquo;agit d&rsquo;une plateforme informatique et d&rsquo;un syst\u00e8me d&rsquo;exploitation open source. Il utilise Ether comme crypto monnaie par d\u00e9faut de la plateforme. Tout d\u00e9veloppeur peut &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Qu&rsquo;est-ce que Ethereum (ETH)? Smart Contracts et Applications D\u00e9centralis\u00e9es\" class=\"read-more button\" href=\"https:\/\/walloftraders.com\/blog\/quest-ce-que-ethereum-smart-contracts-applications-decentralisees\/#more-2128\" aria-label=\"Plus sur Qu&rsquo;est-ce que Ethereum (ETH)? Smart Contracts et Applications D\u00e9centralis\u00e9es\">Lire plus<\/a><\/p>\n","protected":false},"author":2,"featured_media":4391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[188],"tags":[],"class_list":["post-2128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crypto-monnaies","masonry-post","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce que Ethereum (ETH)? Smart Contracts et Applications D\u00e9centralis\u00e9es<\/title>\n<meta name=\"description\" content=\"Qu&#039;est-ce que Ethereum? 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