{"id":7126,"date":"2021-04-11T21:37:00","date_gmt":"2021-04-11T18:37:00","guid":{"rendered":"https:\/\/alfacash.blog\/?p=7126"},"modified":"2024-02-19T21:51:56","modified_gmt":"2024-02-19T18:51:56","slug":"quels-sont-des-jetons-non-fongibles-nfts-pourquoi-guide-ultime-de-la-fievre","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/fr\/2021\/04\/11\/quels-sont-des-jetons-non-fongibles-nfts-pourquoi-guide-ultime-de-la-fievre\/","title":{"rendered":"Que sont les jetons non fongibles (NFT) et pourquoi la fi\u00e8vre? Guide ultime!"},"content":{"rendered":"<p>Les jetons non fongibles (NFT) r\u00e9sonnent tr\u00e8s fort ces derniers temps. Beaucoup d&#039;artistes, de c\u00e9l\u00e9brit\u00e9s et m\u00eame d&#039;entreprises ont d\u00e9j\u00e0 le leur <strong>Les NFT, qui sont, en termes simples, des jetons \u00e0 collectionner et th\u00e9matiques.<\/strong> Comme si une carte Pok\u00e9mon avait un b\u00e9b\u00e9 avec une crypto-monnaie, plus ou moins.<\/p>\n\n\n\n<p>Mais commen\u00e7ons ici par le mot \u00abfongible\u00bb. Fondamentalement, cela signifie qu&#039;un objet (num\u00e9rique ou physique) peut \u00eatre d\u00e9pens\u00e9 car il ne fonctionne pas uniquement par lui-m\u00eame. L&#039;argent, quel qu&#039;il soit, en est un excellent exemple. Peut-\u00eatre que vous avez deux dollars, et peut-\u00eatre que vous pouvez les \u00e9changer contre un hamburger. Si votre ami a aussi deux dollars, il peut les \u00e9changer contre un autre hamburger, ou contre vos deux dollars, car c&#039;est pareil.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-1024x640.jpg\" alt=\"\u00c9tats-Unis-Top-Crypto-Users\" class=\"wp-image-6875\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-1024x640.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-300x188.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-150x94.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-270x169.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-770x481.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-813x508.jpg 813w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-824x515.jpg 824w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-370x231.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-554x346.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-306x191.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-260x163.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280-87x54.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/dollar-4932316_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Les dollars sont fongibles: chaque unit\u00e9 est la m\u00eame que l&#039;autre, et chaque unit\u00e9 (ou unit\u00e9s) est \u00e9changeable contre des choses plus utiles ou souhaitables. Comme un hamburger. Ou un jeu vid\u00e9o, ou une maison, ou un tableau de Picasso (si vous en avez assez). <a href=\"https:\/\/alfacash.blog\/2021\/02\/24\/what-is-bitcoin-theres-not-just-one-of-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bitcoin (BTC)<\/a> et d&#039;autres crypto-monnaies fonctionnent exactement comme des dollars car elles sont fongibles. \u00c0 pr\u00e9sent, <strong>Les NFT sont construits avec la m\u00eame technologie, mais ils ne sont pas du tout d\u00e9pensables (fongibles).<\/strong><\/p>\n\n\n\n<p>Ce serait le tableau de Picasso (ou d&#039;un autre artiste) en version num\u00e9rique, par exemple. Ce sont des objets num\u00e9riques uniques avec un prix subjectif et variable, souhaitable pour les collectionneurs. Les NFT sont <a href=\"https:\/\/alfacash.blog\/2020\/08\/18\/what-is-cryptocurrency-why-should-care-reasons\/\" target=\"_blank\" rel=\"noreferrer noopener\">cryptomonnaies<\/a>, en quelque sorte, mais ce n&#039;est pas de l&#039;argent. Au lieu de cela, ils fonctionnent comme une preuve d\u00e9finitive de l&#039;unicit\u00e9 et de la propri\u00e9t\u00e9. C&#039;est un nouveau type d&#039;art.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Qu&#039;est-ce qui rend les NFT pr\u00e9cieux?<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"1024\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-425x1024.jpg\" alt=\"Jeune-Fille-Fleur-Picasso\" class=\"wp-image-7131\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-425x1024.jpg 425w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-124x300.jpg 124w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-62x150.jpg 62w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-637x1536.jpg 637w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-849x2048.jpg 849w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-5x12.jpg 5w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-75x180.jpg 75w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-214x515.jpg 214w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-211x508.jpg 211w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-153x370.jpg 153w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-193x466.jpg 193w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-102x245.jpg 102w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-83x200.jpg 83w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-126x305.jpg 126w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-28x67.jpg 28w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Young-Girl-with-a-Flower-Basket-by-Picasso.-Public-domain.-scaled.jpg 1061w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><figcaption>Jeune fille avec un panier de fleurs par Picasso. Domaine public.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Revenons ici \u00e0 Picasso pour un moment. \u00c0 un tableau en particulier: \u00abFillette \u00e0 la corbeille fleurie\u00bb (Jeune fille \u00e0 la corbeille de fleurs, 1905). Cette peinture <a href=\"https:\/\/www.cnbc.com\/amp\/2018\/05\/08\/rockefeller-picasso-sells-for-115-million-including-fees.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">a \u00e9t\u00e9 vendu<\/a> pour $115m au collectionneur David Nahmad en 2018. Comme vous pouvez le voir maintenant, nous pouvons en copier une photo \/ image juste ici. Vous pouvez l&#039;appr\u00e9cier.<\/p>\n\n\n\n<p>Et pas seulement vous: tout le monde avec Internet peut le voir en une seule recherche. Ils peuvent m\u00eame imprimer l&#039;image et l&#039;accrocher dans leur salon s&#039;ils le souhaitent. Alors, pourquoi Nahmad paierait des millions pour une image qui appartient aux yeux de tout le monde? Vous connaissez probablement d\u00e9j\u00e0 la r\u00e9ponse, non?<\/p>\n\n\n\n<p><strong>C&#039;est parce que nous n&#039;avons pas la peinture \u00aboriginale\u00bb, nous n&#039;avons acc\u00e8s qu&#039;\u00e0 des copies num\u00e9riques ou physiques<\/strong>. Nous n&#039;avons pas exactement ce qui a \u00e9t\u00e9 peint il y a plus d&#039;un si\u00e8cle par un peintre l\u00e9gendaire (et mort). Sa valeur est toujours subjective: certains peuvent penser que \u00abFillette \u00e0 la corbeille fleurie\u00bb ne vaut pas plus que les peintures et toiles utilis\u00e9es, tandis que d&#039;autres paieraient plus de $115m pour l&#039;avoir. Le monde de l&#039;art est comme \u00e7a.<\/p>\n\n\n\n<p>Les NFT ne sont pas diff\u00e9rents. Regardez l&#039;image ci-dessous maintenant. C&#039;est une composition num\u00e9rique de l&#039;artiste Beeple, surnomm\u00e9e \u00abTous les jours: les 5000 premiers jours\u00bb. Il l&#039;a enregistr\u00e9 comme NFT et, le mois dernier, <a href=\"https:\/\/onlineonly.christies.com\/s\/beeple-first-5000-days\/beeple-b-1981-1\/112924\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">il a \u00e9t\u00e9 vendu<\/a> pour plus de $69m chez Christie&#039;s (la m\u00eame maison de vente aux ench\u00e8res qui a vendu \u00abJeune fille avec un panier de fleurs\u00bb, soit dit en passant).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"880\" height=\"550\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple.jpg\" alt=\"\" class=\"wp-image-7133\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple.jpg 880w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-300x188.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-150x94.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-270x169.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-770x481.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-813x508.jpg 813w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-824x515.jpg 824w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-370x231.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-554x346.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-306x191.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-260x163.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/Everydays-by-Beeple-87x54.jpg 87w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><figcaption>\u00abTous les jours: les 5000 premiers jours\u00bb par Beeple. Source: Christie&#039;s.<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ok, mais le propri\u00e9taire n&#039;a qu&#039;une copie num\u00e9rique sans valeur, non?<\/strong><\/h3>\n\n\n\n<p>Dans le cas des Picasso, Nahmad (le propri\u00e9taire) a l&#039;objet physique unique que nous ne pouvons tous avoir. C&#039;est pourquoi c&#039;est si pr\u00e9cieux, non? Cependant, dans le cas des Beeple&#039;s, le propri\u00e9taire, qui a pay\u00e9 plus de $69m pour cette composition purement num\u00e9rique, qu&#039;est-ce qu&#039;ils ont? N&#039;ont-ils pas la m\u00eame copie num\u00e9rique sans valeur que nous tous?<\/p>\n\n\n\n<p>C&#039;est l&#039;astuce des NFT et pourquoi tout le monde est si impatient de les avoir. <strong>Les NFT fournissent la preuve de l&#039;unicit\u00e9 et de la propri\u00e9t\u00e9 d&#039;objets num\u00e9riques que nous ne pouvions pas imaginer avoir auparavant<\/strong>. L&#039;\u0153uvre est enregistr\u00e9e sur un <a href=\"https:\/\/alfacash.blog\/2020\/08\/30\/dummies-what-is-blockchain-how-it-works\/\" target=\"_blank\" rel=\"noreferrer noopener\">blockchain<\/a> sous la forme d&#039;un jeton unique en son genre qui ne peut \u00eatre d\u00e9pens\u00e9, divis\u00e9 ou copi\u00e9. Le propri\u00e9taire de celui-ci ne peut que l&#039;acheter, le stocker et le vendre (souvent \u00e0 un prix plus \u00e9lev\u00e9), comme il le ferait avec une peinture dans le monde physique.<\/p>\n\n\n\n<p>Seulement que les NFT peuvent \u00eatre plus que des peintures. Ils sont num\u00e9riques, apr\u00e8s tout. Ainsi, les possibilit\u00e9s sont presque infinies: tweets, gifs, chansons, chats, punks, terres virtuelles, cartes, <a href=\"https:\/\/alfacash.blog\/2021\/01\/29\/gamestop-dogecoin-reddit-how-profit-with-meme\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e8mes<\/a>. Vous pouvez en voir des copies, mais il n&#039;y aura qu&#039;un seul propri\u00e9taire de \u00abl&#039;original\u00bb. Derri\u00e8re les rideaux de l&#039;\u0153uvre \u00e0 elle seule, un NFT ressemble \u00e0 ceci <a href=\"https:\/\/etherscan.io\/token\/0x06012c8cf97bead5deae237070f9587f8e7a266d?a=273723#inventory\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">sur une blockchain<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"569\" height=\"351\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan.jpg\" alt=\"NFTs-blockchain-CryptoKitties-Ethereum\" class=\"wp-image-7134\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan.jpg 569w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-300x185.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-150x93.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-270x167.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-370x228.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-554x342.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-306x189.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-260x160.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/CryptoKitty-273723.-Source-Etherscan-87x54.jpg 87w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><figcaption>CryptoKitty #273723. Source: Etherscan<\/figcaption><\/figure><\/div>\n\n\n\n<p>Et, bon, nous avons d\u00e9j\u00e0 parl\u00e9 des propri\u00e9taires, mais il y a encore quelque chose \u00e0 dire sur les artistes. Avant les NFT, l&#039;art num\u00e9rique \u00e9tait tr\u00e8s difficile \u00e0 vendre dans le meilleur des cas. D\u00e9sormais, cette technologie fournit une couche suppl\u00e9mentaire aux cr\u00e9ateurs: <a href=\"https:\/\/consensys.net\/blog\/blockchain-explained\/can-nfts-crack-royalties-and-give-more-value-to-artists\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">redevance<\/a>. Le propri\u00e9taire peut avoir le NFT mais n&#039;a pas le droit d&#039;auteur de l&#039;\u0153uvre en soi. Donc, dans plusieurs cas, <strong>chaque fois qu&#039;une \u0153uvre est vendue, un pourcentage de celle-ci va automatiquement dans le portefeuille de l&#039;artiste<\/strong>. Cool, non? Picasso n&#039;avait pas \u00e7a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quels artistes \/ c\u00e9l\u00e9brit\u00e9s \/ entreprises ont d\u00e9j\u00e0 des NFT?<\/strong><\/h2>\n\n\n\n<p>La r\u00e9ponse est tr\u00e8s longue ici. Selon <a href=\"https:\/\/coinranking.com\/nfts\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Co-classement<\/a>, il y a environ 567 156 NFT avec un volume d&#039;\u00e9change de plus de $94m au cours des 30 derniers jours - uniquement sur les march\u00e9s d\u00e9centralis\u00e9s, ce qui exclut les choses sur Christie&#039;s et similaires.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video controls src=\"https:\/\/cdn.vox-cdn.com\/thumbor\/4WGrO2VV8xBoLuX3FGknj7xG2Qw=\/0x0:1400x1400\/320x213\/filters:focal(588x588:812x812):gifv():no_upscale()\/cdn.vox-cdn.com\/uploads\/chorus_image\/image\/68837730\/poptart1redrainbowfix_1.0.gif\"><\/video><figcaption>L&#039;artiste Chris Torres a vendu son m\u00e8me populaire Nyan Cat en tant que NFT pour plus de $600k. Source: Application Fondation<\/figcaption><\/figure>\n\n\n\n<p>Des march\u00e9s comme Nifty Gateway (nifty \/ nifties est une autre fa\u00e7on d&#039;appeler les NFT) comptent plus de 2000 \u0153uvres qui varient de $200 \u00e0 des millions. Pendant ce temps, les offres chez OpenSea peuvent commencer avec quelques dollars (en crypto-monnaies). Les jeux et objets de collection populaires sont <strong>CryptoKitties, CryptoPunks, Sorare, Decentraland, Dieux d\u00e9cha\u00een\u00e9s<\/strong>, <strong>Sorts de la Gen\u00e8se, RarePepe, Rarible<\/strong>, et beaucoup plus.<\/p>\n\n\n\n<p>Quant aux artistes et c\u00e9l\u00e9brit\u00e9s impliqu\u00e9s jusqu&#039;\u00e0 pr\u00e9sent, <a href=\"https:\/\/alfacash.blog\/2021\/03\/31\/what-happened-march-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">nous pouvons mentionner<\/a> Chris Torres (cr\u00e9ateur de Nyan Cat), <a href=\"https:\/\/www.inputmag.com\/culture\/linkin-park-mike-shinoda-happy-endings-nft-interview\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mike Shinoda<\/a> (Linkin Park), Andrea Bonaceto (avec Sophia the Robot), Lindsay Lohan, Kings of Leon, Jack Dorsey, Elon Musk, Paris Hilton, Grimes, 3LAU, Steve Aoki, Shawn Mendes et un grand nombre d&#039;athl\u00e8tes et d&#039;\u00e9quipes sportives. Seule la plateforme <a href=\"https:\/\/sorare.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Si rare<\/a> a 126 clubs de football licenci\u00e9s avec leurs propres cartes num\u00e9riques uniques (NFT).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Comment \u00e9mettre, acheter et vendre des NFT?<\/strong><\/h2>\n\n\n\n<p>Vous n&#039;avez pas besoin d&#039;\u00eatre d\u00e9veloppeur pour cr\u00e9er votre propre NFT et le mettre en vente presque gratuitement sur un march\u00e9. Cela ne signifie pas que votre NFT nouveau-n\u00e9 a une valeur r\u00e9elle, mais vous pouvez le faire quand m\u00eame. Les investisseurs potentiels appr\u00e9cieront les \u0153uvres d&#039;art, les avantages exclusifs dans une entreprise et les choses uniques en g\u00e9n\u00e9ral.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"514\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-1024x514.jpg\" alt=\"NFTs-guide-fi\u00e8vre-oeuvres d&#039;art\" class=\"wp-image-7135\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-1024x514.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-300x150.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-150x75.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-18x9.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-270x135.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-770x386.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-1013x508.jpg 1013w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-900x451.jpg 900w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-370x186.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-554x278.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-306x153.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-260x130.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280-87x44.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/fantasy-2701633_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Cela pourrait \u00eatre un NFT. Image de <a href=\"https:\/\/pixabay.com\/users\/kellepics-4893063\/?utm_source=link-attribution&amp;utm_medium=referral&amp;utm_campaign=image&amp;utm_content=2701633\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Stefan Keller<\/a> \/ Pixabay<\/figcaption><\/figure><\/div>\n\n\n\n<p>La premi\u00e8re \u00e9tape consiste \u00e0 choisir une blockchain et une plate-forme.<a href=\"https:\/\/alfacash.blog\/2021\/03\/08\/bitcoin-ethereum-go-bullish-again-new-investments\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Ethereum<\/a> est toujours le plus populaire, et <strong>des march\u00e9s comme OpenSea, Rarible et Mintable vous permettent de connecter votre portefeuille ETH<\/strong> et envoyez vos cr\u00e9ations pour les transformer en NFT. Sur d&#039;autres march\u00e9s, comme Nifty Gateway et Makersplace, les cr\u00e9ateurs doivent postuler au pr\u00e9alable.<\/p>\n\n\n\n<p>Bien s\u00fbr, si vous \u00eates effectivement un d\u00e9veloppeur et \/ ou que vous souhaitez le faire directement, vous pouvez v\u00e9rifier les normes pour cr\u00e9er des NFT dans chaque blockchain et en s\u00e9lectionner une pour partir de z\u00e9ro. Sur Ethereum, nous avons <a href=\"https:\/\/eips.ethereum.org\/EIPS\/eip-721\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ERC-721<\/a> et ERC-1155, sur EOS, nous avons les normes SimpleAssets et dGoods, et dans Tron est TRC-721. On Counterparty est encore plus simple, avec une interface conviviale pour cr\u00e9er <a href=\"https:\/\/counterparty.io\/get-started\/#create-token\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">actifs personnalis\u00e9s<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.alfa.cash\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">Acheter et vendre<\/a> est plus simple. <strong>Il vous suffit de connecter votre portefeuille \u00e0 la place de march\u00e9 que vous pr\u00e9f\u00e9rez,<\/strong> choisissez la pi\u00e8ce que vous souhaitez et participez \u00e0 la vente aux ench\u00e8res ou \u00e0 la vente directe. Pour le revendre, vous pouvez \u00e9galement le faire sur le m\u00eame march\u00e9 en recevant des offres ou en \u00e9tablissant un prix. Tout cela d\u00e9pend, bien s\u00fbr, du type de NFT que vous souhaitez ou poss\u00e9dez.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"441\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-1024x441.jpg\" alt=\"NFTs-marketplace-OpenSea-ETH\" class=\"wp-image-7136\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-1024x441.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-300x129.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-150x65.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-18x8.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-270x116.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-770x332.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-1170x504.jpg 1170w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-900x388.jpg 900w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-370x159.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-554x239.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-306x132.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-260x112.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot-87x37.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/OpenSea-NFT-market.-Screenshot.jpg 1348w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Place de march\u00e9 OpenSea NFT. Capture d&#039;\u00e9cran.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Par exemple, si vous souhaitez acheter du travail de Beeple, vous le trouverez dans Nifty Gateway. Mais si tu veux quelque chose par <a href=\"https:\/\/makersplace.com\/gviotto_\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Gabriel Viotto<\/a>, vous le trouverez sur Makersplace. Il vous suffit de suivre vos artistes pr\u00e9f\u00e9r\u00e9s pour d\u00e9couvrir leurs NFT ou d&#039;explorer diff\u00e9rentes marketplaces pour trouver vos favoris. Vous pouvez \u00e9galement attendre <a href=\"https:\/\/twitter.com\/alfacash_crypto\/status\/1341317184560181248\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">plus de cadeaux<\/a> sur Alfacash!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Les NFT sont-ils mauvais pour l&#039;environnement et le changement climatique?<\/strong><\/h2>\n\n\n\n<p>Cela peut \u00eatre un <a href=\"https:\/\/www.alfa.cash\/bitcoin.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">papier blanc<\/a>, mais nous pouvons le r\u00e9sumer un peu. La vraie r\u00e9ponse est que cela d\u00e9pend fortement de la mani\u00e8re dont les nifties sont \u00e9mis (qui s&#039;applique \u00e9galement \u00e0 tous les cryptos). Voyons voir: <a href=\"https:\/\/nonfungible.com\/blog\/ecological-impact-nfts\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">l&#039;argument principal<\/a> contre les NFT (et certains cryptos) <strong>est la forte utilisation de l&#039;\u00e9lectricit\u00e9 n\u00e9cessaire pour les \u00e9mettre et les v\u00e9rifier.<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/alfacash.blog\/2020\/08\/25\/cryptocurrency-mining-dummies-how-works\/\" target=\"_blank\" rel=\"noreferrer noopener\">Extraction de crypto-monnaie<\/a> avec le syst\u00e8me Proof-of-Work (PoW) utilise volontairement beaucoup d&#039;\u00e9lectricit\u00e9 pour r\u00e9soudre des probl\u00e8mes math\u00e9matiques complexes avant d&#039;\u00e9mettre de nouvelles pi\u00e8ces. Cela offre beaucoup de s\u00e9curit\u00e9 aux r\u00e9seaux blockchain, mais l&#039;inconv\u00e9nient, encore une fois, est la forte utilisation de l&#039;\u00e9nergie. Si cette \u00e9nergie est produite avec des combustibles fossiles, cela signifie plus de contamination de l&#039;air et plus de r\u00e9chauffement climatique.<\/p>\n\n\n\n<p>Certains rapports alarmants peuvent mentionner que <a href=\"https:\/\/alfacash.blog\/2020\/11\/25\/how-to-start-bitcoin-cryptos-5-steps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bitcoin<\/a> (et les NFT) consomment plus d&#039;\u00e9nergie que des pays comme la Su\u00e8de, l&#039;Ukraine ou les Pays-Bas. Cependant, ils oublient de mentionner des choses importantes telles que \u00abla quantit\u00e9 d&#039;\u00e9lectricit\u00e9 consomm\u00e9e chaque ann\u00e9e par les appareils domestiques toujours allum\u00e9s mais inactifs aux \u00c9tats-Unis \u00e0 elle seule pourrait alimenter le r\u00e9seau Bitcoin pendant 1,5 an\u00bb, ou le fait que Bitcoin (et probablement l&#039;ensemble des cryptos ) ne repr\u00e9sente que 0,57% de la production totale d&#039;\u00e9lectricit\u00e9 [<a href=\"https:\/\/cbeci.org\/cbeci\/comparisons\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CBECI<\/a> par Cambridge].<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"759\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-1024x759.jpg\" alt=\"NFTs-environnement-changement-climatique\" class=\"wp-image-7137\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-1024x759.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-300x222.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-150x111.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-16x12.jpg 16w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-243x180.jpg 243w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-695x515.jpg 695w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-685x508.jpg 685w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-370x274.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-554x411.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-306x227.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-330x245.jpg 330w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-260x193.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280-87x65.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/bitcoin-3091789_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Image par mohamed Hassan de Pixabay<\/figcaption><\/figure><\/div>\n\n\n\n<p>D&#039;ailleurs, selon la firme <a href=\"https:\/\/coinshares.com\/assets\/resources\/Research\/bitcoin-mining-network-june-2019-fidelity-foreword.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CoinShares<\/a>, <strong>plus de 74% de l&#039;exploitation mini\u00e8re Bitcoin utilisent des sources d&#039;\u00e9nergie renouvelables,<\/strong> comme l&#039;hydro\u00e9lectrique, le solaire et la g\u00e9othermie. Donc, dans ce cas, Bitcoin et les cryptos (y compris les NFT) ne seraient pas contaminants. De plus, nous pouvons mentionner que toutes les blockchains \u00e9mettant des NFT ne fonctionnent pas avec les syst\u00e8mes PoW. EOS, Tron et <a href=\"https:\/\/alfacash.blog\/2020\/11\/14\/ethereum-2-new-features-prices-more-ethereum-chains\/\" target=\"_blank\" rel=\"noreferrer noopener\">bient\u00f4t Ethereum<\/a>, utilisez Proof-of-Stake (<a href=\"https:\/\/alfacash.blog\/2021\/01\/24\/what-proof-of-stake-pos-coins-passive-income\/\" target=\"_blank\" rel=\"noreferrer noopener\">PoS<\/a>) plut\u00f4t. Ce syst\u00e8me ne n\u00e9cessite pas d&#039;\u00e9nergie pour fonctionner. \u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Puis-je entendre des chansons sur les NFT pour mieux comprendre?<\/strong><\/h2>\n\n\n\n<p>Comme vous pouvez le deviner, la r\u00e9ponse est oui. Elon Musk a fait une chanson sur les NFT et il la vend comme NFT. Mais la vraie chanson amusante sp\u00e9cialement con\u00e7ue pour comprendre les NFT a \u00e9t\u00e9 faite par l&#039;\u00e9quipe de l&#039;\u00e9mission <strong>Saturday Night Live (SNL) dans le style d&#039;Eminem<\/strong>. On peut en finir avec \u00e7a pour le moment!<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">c&#039;est quoi un NFT <a href=\"https:\/\/t.co\/BcFylopM63\">pic.twitter.com\/BcFylopM63<\/a><\/p>- Samedi soir en direct - SNL (@nbcsnl) <a href=\"https:\/\/twitter.com\/nbcsnl\/status\/1376032888764960769?ref_src=twsrc%5Etfw\">28 mars 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Voulez-vous \u00e9changer Bitcoin et d&#039;autres jetons? Tu peux le faire<\/em>\u00a0<em>sans encombre\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">sur Alfacash<\/a>! Et n&#039;oubliez pas que nous parlons de cela et de beaucoup d&#039;autres choses sur nos m\u00e9dias sociaux.<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00e9l\u00e9gramme<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.facebook.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.instagram.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Instagram<\/a> * <a href=\"https:\/\/www.youtube.com\/channel\/UCOl4fdRHj8AseQ5b6z9udaw\" target=\"_blank\" rel=\"noreferrer noopener\">Youtube<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/vk.com\/alfacashcrypto\" target=\"_blank\" rel=\"noreferrer noopener\">Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Derni\u00e8rement, les jetons non fongibles (NFT) sont un tel boom. Ce sont de l&#039;art, des chats, des punks, des chansons et plus encore. Vous pouvez facilement les comprendre ici!<\/p>","protected":false},"author":5,"featured_media":7140,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[48],"tags":[209,63,308,107,277,93],"class_list":{"0":"post-7126","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-learn","8":"tag-art","9":"tag-celebrities","10":"tag-collectibles","11":"tag-ethereum","12":"tag-nfts","13":"tag-tokens"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/nft-scaled.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/fr\/author\/isabel\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are Non-fungible tokens (NFTs) and why the fever? Ultimate guide!<\/title>\n<meta name=\"description\" content=\"Lately, the Non-fungible tokens (NFTs) are such a boom. They&#039;re art, cats, punks, songs and more. You can easily understand them here!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alfacash.blog\/fr\/2021\/04\/11\/quels-sont-des-jetons-non-fongibles-nfts-pourquoi-guide-ultime-de-la-fievre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are Non-fungible tokens (NFTs) and why the fever? Ultimate guide!\" \/>\n<meta property=\"og:description\" content=\"Lately, the Non-fungible tokens (NFTs) are such a boom. They&#039;re art, cats, punks, songs and more. 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