{"id":2179,"date":"2021-07-21T13:02:16","date_gmt":"2021-07-21T11:02:16","guid":{"rendered":"https:\/\/www.api.parlonsfinance.fr\/?p=2179"},"modified":"2023-02-19T17:41:02","modified_gmt":"2023-02-19T16:41:02","slug":"cryptos-gros-plan-sur-lethereum","status":"publish","type":"post","link":"https:\/\/www.api.parlonsfinance.fr\/index.php\/2021\/07\/21\/cryptos-gros-plan-sur-lethereum\/","title":{"rendered":"Cryptos : gros plan sur l\u2019Ethereum"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">Dans notre premier article sur le tour du monde des cryptomonnaies, nous avions abord\u00e9 le sujet de la&nbsp;<a href=\"https:\/\/www.api.parlonsfinance.fr\/index.php\/2021\/07\/06\/parlons-cryptos-gros-plan-sur-la-blockchain-bitcoin\/\">Blockchain bitcoin<\/a>&nbsp;et de la mani\u00e8re dont elle a suscit\u00e9 de l\u2019int\u00e9r\u00eat pour toute une s\u00e9rie de technologies. Aujourd\u2019hui, nous vous proposons de plonger au c\u0153ur <span class=\"has-inline-color has-vivid-cyan-blue-color\">des altcoins<\/span> (les cryptomonnaies alternatives), et plus particuli\u00e8rement \u00e0 la<strong><span class=\"has-inline-color has-vivid-cyan-blue-color\"> <\/span><span class=\"has-inline-color has-vivid-red-color\">Blockchain Ethereum<\/span><\/strong>, la deuxi\u00e8me plus grosse capitalisation boursi\u00e8re sur le march\u00e9 des cryptos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><strong>Les origines d\u2019Ethereum<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">L\u2019Ethereum (ticker&nbsp;: \u00ab\u2009ETH\u2009\u00bb) est une blockchain publique, code ouvert ou \u00ab\u2009open source\u2009\u00bb, pr\u00e9sent\u00e9e en 2013 par le programmeur Vitalik Buterin. Celle-ci fonctionne gr\u00e2ce au consensus de la preuve de travail appel\u00e9 \u00ab\u2009proof-of-work\u2009\u00bb. <span class=\"has-inline-color has-vivid-cyan-blue-color\">La plateforme permet aux programmeurs de d\u00e9velopper des applications d\u00e9centralis\u00e9es, appel\u00e9es \u00ab\u2009DApps\u2009\u00bb<\/span> (constitu\u00e9es par l\u2019ensemble des contrats intelligents) dans un environnement de calcul, de programmation et de traitement informatique public et d\u00e9centralis\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">De son c\u00f4t\u00e9, le contrat intelligent est un programme autonome qui fonctionne sur la blockchain Ethereum. Lorsqu\u2019il est activ\u00e9, <span class=\"has-inline-color has-vivid-cyan-blue-color\">le contrat permet d\u2019ex\u00e9cuter automatiquement des op\u00e9rations pr\u00e9vues, sans intervention humaine<\/span>. Il est fr\u00e9quemment utilis\u00e9e dans des transactions financi\u00e8res, comme par exemple l\u2019application automatique de termes d\u2019une police d\u2019assurance, l\u2019\u00e9tablissement des baux de logement sans agent immobilier, ou encore lors de transferts d\u2019argent.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">En contrepartie, les personnes qui contribuent et mettent \u00e0 disposition de la blockchain leur puissance de calcul informatique per\u00e7oivent une r\u00e9mun\u00e9ration appel\u00e9e <span class=\"has-inline-color has-vivid-red-color\">\u00ab\u2009GAS\u2009\u00bb<\/span> (Gaz en fran\u00e7ais).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">Aujourd\u2019hui, l\u2019\u00e9cosyst\u00e8me Ethereum est florissant avec plus de <strong>3\u2009000 applications d\u00e9centralis\u00e9es<\/strong> aliment\u00e9es <\/span>par une forte communaut\u00e9. De plus, la cryptomonnaie native du r\u00e9seau (l\u2019<em>ethe<\/em>r) figure \u00e0 la premi\u00e8re place du classement des capitalisations boursi\u00e8res en altcoins, affichant un montant de plus de 200 milliards de dollars en juillet 2021.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><strong>Les promesses d\u2019Ethereum&nbsp;2.0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">Le succ\u00e8s de cette monnaie virtuelle implique \u00e9galement quelques contraintes. En effet, <span class=\"has-inline-color has-vivid-cyan-blue-color\">Le nombre grandissant d\u2019applications d\u00e9centralis\u00e9es sur la blockchain Ethereum contribue \u00e0 la lenteur du r\u00e9seau et augmente les frais de transactions.<\/span>&nbsp;Afin de r\u00e9gler ces probl\u00e8mes, plusieurs programmeurs (dont Vitalik Buterin) ont amorc\u00e9 un ensemble de mises \u00e0 jour visant \u00e0 augmenter la vitesse et am\u00e9liorer la s\u00e9curit\u00e9 du r\u00e9seau. Dans le cadre de ces mises \u00e0 niveau, ils offrent la possibilit\u00e9 aux d\u00e9tenteurs d\u2019ETH le droit de bloquer leurs fonds sur les plateformes d\u2019\u00e9change pour aider \u00e0 s\u00e9curiser le lancement du <span class=\"has-inline-color has-vivid-red-color\">nouveau r\u00e9seau Ethereum&nbsp;2.0<\/span>. En \u00e9change de leur participation, une r\u00e9compense est pr\u00e9vue au prorata des sommes d\u00e9pos\u00e9es, pour autant qu\u2019elles n\u2019ont pas \u00e9t\u00e9 retir\u00e9es avant un certain temps.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">Le graphique de prix, les statistiques de march\u00e9s pour l\u2019Ethereum&nbsp;2.0 seront similaires au march\u00e9 pr\u00e9c\u00e9dent. Cette nouvelle version d\u2019Ethereum remplacera le consensus de la preuve de travail ou \u00ab\u2009<em>proof-of-work<\/em>\u2009\u00bb par le consensus de <span class=\"has-inline-color has-vivid-red-color\">la preuve d\u2019enjeu ou \u00ab\u2009<em>proof-of-stake<\/em>\u2009\u00bb.<\/span>&nbsp;<\/p>\n\n\n\n<h5 class=\"has-black-color has-pale-cyan-blue-background-color has-text-color has-background wp-block-heading\"><em>Proof-of-stake = Le consensus de la preuve d\u2019enjeu (proof-of-stake) est un m\u00e9canisme qui demande \u00e0 l\u2019utilisateur (n\u0153uds du r\u00e9seau) de prouver la possession d\u2019une certaine quantit\u00e9 de cryptomonnaies concern\u00e9es \u00ab\u2009leur participation\u2009\u00bb afin de valider des blocs suppl\u00e9mentaires dans la cha\u00eene de bloc et de pr\u00e9tendre \u00e0 une r\u00e9compense.&nbsp;<\/em><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><strong>Bitcoin vs Ethereum&nbsp;: quelques similarit\u00e9s et diff\u00e9rences&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">Bien que les deux blockchains partagent plusieurs similarit\u00e9s, elles sont fondamentalement diff\u00e9rentes.&nbsp;En voici quelques nues&nbsp;:&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><span class=\"has-inline-color has-vivid-green-cyan-color\"><em>Similarit\u00e9s<\/em><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li>Les deux blockchains disposent d\u2019<span class=\"has-inline-color has-vivid-cyan-blue-color\">une cryptomonnaie native<\/span> utilisable comme moyen de paiement sur les diff\u00e9rentes plateformes d\u2019\u00e9change.&nbsp;<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li>Dans sa premi\u00e8re version, la blockchain Ethereum tout comme son \u00ab\u2009a\u00een\u00e9e\u2009\u00bb&nbsp;Bitcoin, utilise le consensus de la preuve de travail (cette caract\u00e9ristique est remplac\u00e9e par la preuve d\u2019enjeu dans sa mise \u00e0 jour&nbsp;Ethereum2.0).&nbsp;<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li><span class=\"has-inline-color has-vivid-cyan-blue-color\">Toutes les deux utilisent un syst\u00e8me d\u00e9centralis\u00e9 d\u2019ordinateurs<\/span> qui partagent un registre cumulatif des transactions \u2014 la blockchain.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li>Pour valider les transactions et s\u00e9curiser leur r\u00e9seau, <span class=\"has-inline-color has-vivid-cyan-blue-color\">elles s\u2019appuient sur les membres de leur communaut\u00e9<\/span> (les mineurs).&nbsp;<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><em><span class=\"has-inline-color has-vivid-red-color\">Diff\u00e9rences<\/span>&nbsp;<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li>Le nombre total de bitcoins est cap\u00e9 \u00e0 21 millions d\u2019unit\u00e9s. Ce nombre est <span class=\"has-inline-color has-vivid-cyan-blue-color\">illimit\u00e9 pour l\u2019Ethereum.<\/span><\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li>\u00c0 la diff\u00e9rence du Bitcoin dont le d\u00e9veloppement s\u2019est focalis\u00e9 sur l\u2019aspect purement mon\u00e9taire,<span class=\"has-inline-color has-vivid-cyan-blue-color\"> le r\u00e9seau Ethereum a vocation \u00e0 d\u00e9ployer des contrats intelligents (smartcontracts) et des applications d\u00e9centralis\u00e9es<\/span> appel\u00e9es \u00ab\u2009DApps\u2009\u00bb.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:17px\"><li><span class=\"has-inline-color has-vivid-cyan-blue-color\">Le temps de blocage pour valider une transaction est plus court sur l\u2019Ethereum<\/span> (quelques secondes) que sur le Bitcoin (quelques minutes).&nbsp;<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\"><strong>En r\u00e9sum\u00e9 <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:17px\">L\u2019Ethereum (ETH) est une blockchain publique et \u00ab\u2009open source\u2009\u00bb qui se caract\u00e9rise par le consensus de la preuve de travail (\u00ab\u2009proof-of-work\u2009\u00bb) dans sa premi\u00e8re version et par la preuve d\u2019enjeu (\u00ab\u2009proof-of-stake\u2009\u00bb) dans sa nouvelle version&nbsp;2.0. Elle permet aux programmeurs de d\u00e9velopper des applications d\u00e9centralis\u00e9es, appel\u00e9es \u00ab\u2009DApps\u2009\u00bb constitu\u00e9es par un ensemble des contrats intelligents. Aujourd\u2019hui, l\u2019\u00e9cosyst\u00e8me Ethereum est florissant avec plus de 3\u2009000&nbsp;applications aliment\u00e9es par une forte communaut\u00e9 et figure \u00e0 la premi\u00e8re place du classement des capitalisations boursi\u00e8res en altcoins.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article a \u00e9t\u00e9 r\u00e9dig\u00e9 par&nbsp;<a href=\"https:\/\/www.linkedin.com\/in\/mbomasi-jean-goy-222147b3\/?fbclid=IwAR2BahiDRL22ANvUQzr5MD5sDkzipN04bZYzeDUXA7x8RzMKSdtdYvlKPMA\" target=\"_blank\" rel=\"noreferrer noopener\">Jean Goy Mbomasi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans notre premier article sur le tour du monde des cryptomonnaies, nous avions abord\u00e9 le sujet de la&nbsp;Blockchain bitcoin&nbsp;et de la mani\u00e8re dont elle a suscit\u00e9 de l\u2019int\u00e9r\u00eat pour toute une s\u00e9rie de technologies. Aujourd\u2019hui, nous vous proposons de plonger au c\u0153ur des altcoins (les cryptomonnaies alternatives), et plus particuli\u00e8rement \u00e0 la Blockchain Ethereum, la [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":2180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[612,4],"tags":[191,222,306,582,192,5,109,272],"class_list":["post-2179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-parlons-crypto","category-nos-analyses","tag-bitcoin","tag-crypto","tag-cryptomonnaie","tag-cryptomonnaies","tag-ethereum","tag-finance","tag-trading","tag-wall-street"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dans notre premier article sur le tour du monde des cryptomonnaies, nous avions abord\u00e9 le sujet de la Blockchain bitcoin et de la mani\u00e8re dont elle a suscit\u00e9 de l\u2019int\u00e9r\u00eat pour toute une s\u00e9rie de technologies. 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