{"id":31536,"date":"2019-05-14T13:40:00","date_gmt":"2019-05-14T13:40:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=31536"},"modified":"2023-06-26T11:06:39","modified_gmt":"2023-06-26T11:06:39","slug":"10-choses-essentielles-a-savoir-sur-le-bitcoin-3471","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/exclusives\/10-choses-essentielles-a-savoir-sur-le-bitcoin-3471\/","title":{"rendered":"10 choses essentielles \u00e0 savoir sur le Bitcoin"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><sub>Photo: iStock \/ Tsokur<\/sub><\/p><p>Si vous vous int&eacute;ressez au Bitcoin et cherchez &agrave; comprendre comment &ccedil;a marche exactement, voici une bonne fa&ccedil;on de commencer avec ces <b>10 choses essentielles &agrave; savoir<\/b> sur la plus c&eacute;l&egrave;bre des cryptomonnaies.<\/p><ul><li><b>Bitcoin a seulement 10 ans<\/b><br>\nC&rsquo;est le 31 octobre 2008 que <a href=\"https:\/\/cryptonews.com\/fr\/exclusives\/satoshi-nakamoto-le-mysterieux-createur-du-bitcoin-2151\/\"><b>Satoshi Nakamoto<\/b><\/a>, l&rsquo;inventeur du Bitcoin publie son livre blanc proposant la cr&eacute;ation d&rsquo;un &ldquo;syst&egrave;me de paiement &eacute;lectronique de pair &agrave; pair&rdquo;. Le 3 janvier 2009 le bloc &ldquo;Genesis&rdquo; est cr&eacute;&eacute; suite &agrave; la premi&egrave;re transaction qui est effectu&eacute;e entre Satoshi Nakamoto et <b>Hal Finney<\/b>. C&rsquo;est la naissance du r&eacute;seau Bitcoin et de la premi&egrave;re <a href=\"https:\/\/cryptonews.com\/fr\/tags\/blockchain\/\">blockchain<\/a>.<\/li><li><b>On ne sait pas qui a invent&eacute; le Bitcoin<\/b><br>\nOn sait qui a invent&eacute; le Bitcoin dans la mesure o&ugrave; on conna&icirc;t le nom de l&rsquo;inventeur, Satoshi Nakamoto, mais on ne sait pas pour autant qui se cache derri&egrave;re ce pseudonyme. Qui est-il? Un Am&eacute;ricain d&rsquo;origine japonaise? Un groupe d&rsquo;informaticiens? Une femme? Personne ne le sait vraiment et si les hypoth&egrave;ses sont nombreuses, aucune n&rsquo;a &eacute;t&eacute; valid&eacute;e &agrave; ce jour.<\/li><li><b>Bitcoin n&rsquo;appartient &agrave; personne<\/b><br>\nContrairement aux monnaies d&rsquo;&Eacute;tat et &agrave; la plupart des cryptomonnaies, le Bitcoin n&rsquo;appartient &agrave; aucune entit&eacute;. Bitcoin est un protocole informatique dont les r&egrave;gles de fonctionnement ont &eacute;t&eacute; d&eacute;finies &agrave; sa cr&eacute;ation et qui &ldquo;vit&rdquo; d&eacute;sormais de fa&ccedil;on ind&eacute;pendante. Quand des am&eacute;liorations du protocole sont sugg&eacute;r&eacute;es, <a href=\"https:\/\/github.com\/bitcoin\/bips\" target=\"_blank\" rel=\"noopener\">Bitcoin Improvement Proposals<\/a> (BIP), elles doivent faire le consensus au sein de la communaut&eacute; Bitcoin, form&eacute;e des d&eacute;veloppeurs et des mineurs notamment.<\/li><li><b>Il n&rsquo;y aura jamais plus de 21 millions de bitcoins<\/b><br>\nLe nombre d&rsquo;unit&eacute;s de Bitcoin qui sera jamais &eacute;mises (min&eacute;es) est limit&eacute; &agrave; 21 millions. Il n&rsquo;y a en aura jamais plus et c&rsquo;est vers 2140 qu&rsquo;on devrait atteindre ce chiffre. <\/li><li><b>Le Bitcoin repose sur la blockchain<\/b><br>\n&ldquo;La blockchain est une technologie de stockage et de transmission d&rsquo;informations, transparente, s&eacute;curis&eacute;e, et fonctionnant sans organe central de contr&ocirc;le&rdquo; (d&eacute;finition de Blockchain France). En cr&eacute;ant Bitcoin, Satoshi Nakamoto a aussi cr&eacute;&eacute; la premi&egrave;re blockchain de l&rsquo;histoire.<\/li><li><b>Le prix du Bitcoin n&rsquo;est fix&eacute; par personne<\/b><br>\nLa valeur du Bitcoin est d&eacute;termin&eacute;e par l&rsquo;int&eacute;r&ecirc;t que le public lui porte. Elle repose donc uniquement sur l&rsquo;offre et la demande. Pour conna&icirc;tre le cours du Bitcoin en temps r&eacute;el, utilisez notre <a href=\"https:\/\/cryptonews.com\/fr\/price-tracker\/\">tracker de prix<\/a>.<\/li><li><b>Bitcoin n&rsquo;est pas anonyme<\/b><br>\nContrairement &agrave; ce que certains croient parfois, Bitcoin n&rsquo;est pas une cryptomonnaie 100% anonyme. On parle plut&ocirc;t de &ldquo;pseudonymat&rdquo;. Pour se procurer des Bitcoins sur une plateforme r&eacute;gul&eacute;e comme <a href=\"https:\/\/cryptonews.com\/fr\/reviews\/coinbase\/\">Coinbase<\/a>, il faut en effet fournir des informations personnelles et r&eacute;pondre &agrave; la politique du <i>Know Your Customer<\/i> (KYC). Si les transactions sont transparentes et publiques, il est impossible d&rsquo;acheter des Bitcoin sur ces exchanges r&eacute;gul&eacute;s de fa&ccedil;on anonyme.<\/li><li><b>Les Bitcoins sont cr&eacute;&eacute;s par le minage<\/b><br>\n<a href=\"https:\/\/cryptonews.com\/fr\/exclusives\/qu-est-ce-que-le-minage-1787\/\">Le minage<\/a> est le processus informatique par lequel les transactions entre les utilisateurs du r&eacute;seau Bitcoin sont v&eacute;rifi&eacute;es et enregistr&eacute;es sur la blockchain. Tous les mineurs sont en comp&eacute;tition et essaient simultan&eacute;ment de r&eacute;soudre un &ldquo;puzzle informatique&rdquo;. Toutes les dix minutes environ un nouveau bloc est cr&eacute;&eacute;, le mineur qui a trouv&eacute; la solution au puzzle est alors r&eacute;compens&eacute; pour son travail (comme un mineur d&rsquo;or qui recevrait une partie de l&rsquo;or qu&rsquo;il a min&eacute;) par une quantit&eacute; de bitcoins d&eacute;finie (12,5 au moment d&rsquo;&eacute;crire ces lignes).<\/li><li><b>Le Bitcoin n&rsquo;a pas de fronti&egrave;res<\/b><br>\nLe r&eacute;seau Bitcoin ne reconna&icirc;t aucune fronti&egrave;re et circule librement via le protocole internet (TCP\/IP), <a href=\"https:\/\/cryptonews.com\/fr\/news\/bitcoin-over-satellite-one-step-closer-to-everyone-2532\/\">les satellites<\/a> et m&ecirc;me les <a href=\"https:\/\/cryptonews.com\/fr\/news\/these-devs-found-a-way-to-send-crypto-in-times-of-disasters-1938\/\">ondes radio<\/a>. <\/li><li><b>Le Bitcoin est divisible <\/b><br>\nPas besoin d&rsquo;acheter un Bitcoin entier, on peut en acheter seulement des fractions. Chaque Bitcoin est ainsi divisible jusqu&rsquo;&agrave; la huiti&egrave;me d&eacute;cimale, soit 0,00000001 BTC. On appelle cette unit&eacute; un <a href=\"https:\/\/cryptonews.com\/fr\/exclusives\/qu-est-ce-qu-un-satoshi-2588\/\">satoshi<\/a>. <\/li><\/ul><p>Pour en apprendre plus sur le Bitcoin, n&rsquo;h&eacute;sitez pas &agrave; <a href=\"https:\/\/cryptonews.com\/fr\/guides\/bitcoin\/\">consulter notre guide<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Photo: iStock \/ TsokurSi vous vous int&eacute;ressez au Bitcoin et cherchez &agrave; comprendre comment &ccedil;a marche exactement, voici une bonne fa&ccedil;on de commencer avec ces 10 choses essentielles &agrave; savoir sur la plus c&eacute;l&egrave;bre des cryptomonnaies. Bitcoin a seulement 10 ans C&rsquo;est le 31 octobre 2008 que Satoshi Nakamoto, l&rsquo;inventeur du Bitcoin publie son livre [&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":[2,4],"tags":[44,656,85,45,62,64,179],"editors":[400],"sponsored_companies":[],"class_list":["post-31536","post","type-post","status-publish","format-standard","hentry","category-exclusives","category-opinions","tag-bitcoin","tag-bitcoin-minage","tag-blockchain","tag-btc","tag-minage","tag-minage-bitcoin","tag-satoshi-nakamoto","editors-david-nathan"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>10 choses essentielles \u00e0 savoir sur le Bitcoin<\/title>\n<meta name=\"description\" content=\"Voici 10 choses \u00e0 savoir pour comprendre 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