{"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":"what-are-non-fungible-tokens-nfts-why-febre-ultimate-guide","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/pt\/2021\/04\/11\/what-are-non-fungible-tokens-nfts-why-febre-ultimate-guide\/","title":{"rendered":"O que s\u00e3o tokens n\u00e3o fung\u00edveis (NFTs) e por que a febre? Guia definitivo!"},"content":{"rendered":"<p>Tokens n\u00e3o fung\u00edveis (NFTs) est\u00e3o ressonando muito recentemente. Muitos artistas, celebridades e at\u00e9 empresas j\u00e1 t\u00eam seus pr\u00f3prios <strong>NFTs, que s\u00e3o, em termos simples, tokens colecion\u00e1veis e tem\u00e1ticos.<\/strong> Como se um card Pok\u00e9mon tivesse um beb\u00ea com uma criptomoeda, mais ou menos.<\/p>\n\n\n\n<p>Mas vamos come\u00e7ar aqui com a palavra \u201cfung\u00edvel\u201d. Basicamente, significa que um objeto (digital ou f\u00edsico) pode ser gasto porque n\u00e3o funciona sozinho. O dinheiro, seja qual for, \u00e9 um grande exemplo. Talvez voc\u00ea tenha dois d\u00f3lares e talvez possa troc\u00e1-los por um hamb\u00farguer. Se o seu amigo tamb\u00e9m tiver dois d\u00f3lares, ele pode troc\u00e1-los por outro hamb\u00farguer, ou pelos seus dois d\u00f3lares, porque \u00e9 tudo a mesma coisa.<\/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=\"Principais usu\u00e1rios criptogr\u00e1ficos dos EUA\" 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>Os d\u00f3lares s\u00e3o fung\u00edveis: cada unidade \u00e9 igual \u00e0 outra, e cada unidade (ou unidades) pode ser trocada por coisas mais \u00fateis ou desej\u00e1veis. Como um hamb\u00farguer. Ou um videogame, ou uma casa, ou uma pintura de Picasso (se voc\u00ea tiver o suficiente). <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> e outras criptomoedas funcionam exatamente como d\u00f3lares porque s\u00e3o fung\u00edveis. Agora, <strong>Os NFTs s\u00e3o constru\u00eddos com a mesma tecnologia, mas n\u00e3o podem ser gastos (fung\u00edveis).<\/strong><\/p>\n\n\n\n<p>Seriam a pintura de Picasso (ou de outro artista) em vers\u00e3o digital, por exemplo. S\u00e3o itens digitais \u00fanicos com pre\u00e7o subjetivo e vari\u00e1vel, desej\u00e1veis para colecionadores. NFTs s\u00e3o <a href=\"https:\/\/alfacash.blog\/2020\/08\/18\/what-is-cryptocurrency-why-should-care-reasons\/\" target=\"_blank\" rel=\"noreferrer noopener\">criptomoedas<\/a>, mais ou menos, mas eles n\u00e3o s\u00e3o dinheiro. Em vez disso, eles funcionam como prova definitiva de exclusividade e propriedade. \u00c9 um novo tipo de arte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>O que torna os NFTs valiosos?<\/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=\"Jovem-Flor-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>Jovem com uma cesta de flores de Picasso. Dom\u00ednio p\u00fablico.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Voltemos a Picasso aqui por um momento. Para uma pintura em particular: \u201cFillette \u00e0 la corbeille fleurie\u201d (Rapariga com um cesto de flores, 1905). Essa pintura <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\">foi vendido<\/a> para $115m para o colecionador David Nahmad em 2018. Como voc\u00ea pode ver agora, podemos copiar uma foto \/ imagem dele bem aqui. Voc\u00ea pode apreciar isso.<\/p>\n\n\n\n<p>E n\u00e3o s\u00f3 voc\u00ea: qualquer pessoa com Internet pode ver com uma \u00fanica pesquisa. Eles podem at\u00e9 imprimir a imagem e pendur\u00e1-la na sala de estar, se quiserem. Ent\u00e3o, por que Nahmad pagaria milh\u00f5es por uma imagem que pertence aos olhos de todos? Provavelmente voc\u00ea j\u00e1 sabe a resposta, certo?<\/p>\n\n\n\n<p><strong>\u00c9 porque n\u00e3o temos a pintura \u201coriginal\u201d, s\u00f3 temos acesso \u00e0s c\u00f3pias digitais ou f\u00edsicas<\/strong>. N\u00e3o temos exatamente o que foi pintado h\u00e1 mais de um s\u00e9culo por um pintor lend\u00e1rio (e morto). O seu valor \u00e9 sempre subjetivo: alguns podem pensar que \u201cFillette \u00e0 la corbeille fleurie\u201d n\u00e3o vale mais do que as pinturas e telas utilizadas, enquanto outros pagariam mais de $115m para t\u00ea-lo. O mundo da arte \u00e9 assim.<\/p>\n\n\n\n<p>NFTs n\u00e3o s\u00e3o diferentes. Olhe a imagem abaixo agora. \u00c9 uma composi\u00e7\u00e3o digital do artista Beeple, apelidada de \u201cEverydays: the first 5000 days\u201d. Ele o registrou como um NFT e, no m\u00eas passado, <a href=\"https:\/\/onlineonly.christies.com\/s\/beeple-first-5000-days\/beeple-b-1981-1\/112924\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">foi vendido<\/a> por mais de $69m na Christie&#039;s (a mesma casa de leil\u00f5es que vendeu \u201cYoung Girl with a Flower Basket\u201d, ali\u00e1s).<\/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>\u201cEverydays: the first 5000 days\u201d, de Beeple. Fonte: Christie&#039;s.<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ok, mas o dono s\u00f3 tem uma c\u00f3pia digital sem valor, certo?<\/strong><\/h3>\n\n\n\n<p>No caso do de Picasso, Nahmad (o propriet\u00e1rio) tem o objeto f\u00edsico \u00fanico que todos n\u00f3s n\u00e3o podemos ter. \u00c9 por isso que \u00e9 t\u00e3o valioso, certo? Por\u00e9m, no caso dos Beeple&#039;s, o dono, que pagou mais de $69m por essa composi\u00e7\u00e3o meramente digital, o que eles t\u00eam? Eles n\u00e3o t\u00eam a mesma c\u00f3pia digital in\u00fatil que todos n\u00f3s?<\/p>\n\n\n\n<p>Esse \u00e9 o truque dos NFTs e porque todo mundo est\u00e1 t\u00e3o ansioso para t\u00ea-los. <strong>Os NFTs fornecem prova de exclusividade e propriedade em objetos digitais que n\u00e3o poder\u00edamos imaginar ter antes<\/strong>. A obra de arte est\u00e1 registrada em um <a href=\"https:\/\/alfacash.blog\/2020\/08\/30\/dummies-what-is-blockchain-how-it-works\/\" target=\"_blank\" rel=\"noreferrer noopener\">blockchain<\/a> na forma de um token \u00fanico que n\u00e3o pode ser gasto, dividido ou copiado. O dono dele s\u00f3 pode compr\u00e1-lo, armazen\u00e1-lo e vend\u00ea-lo (muitas vezes por um pre\u00e7o mais alto), como faria com uma pintura no mundo f\u00edsico.<\/p>\n\n\n\n<p>S\u00f3 que os NFTs podem ser mais do que pinturas. Afinal, eles s\u00e3o digitais. Ent\u00e3o, as possibilidades s\u00e3o quase infinitas: tweets, gifs, m\u00fasicas, gatos, punks, terras virtuais, cartas, <a href=\"https:\/\/alfacash.blog\/2021\/01\/29\/gamestop-dogecoin-reddit-how-profit-with-meme\/\" target=\"_blank\" rel=\"noreferrer noopener\">memes<\/a>. Voc\u00ea pode ver as c\u00f3pias deles, mas haver\u00e1 apenas um propriet\u00e1rio do \u201coriginal\u201d. Atr\u00e1s das cortinas do pr\u00f3prio trabalho, um NFT se parece com este <a href=\"https:\/\/etherscan.io\/token\/0x06012c8cf97bead5deae237070f9587f8e7a266d?a=273723#inventory\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">em um 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. Fonte: Etherscan<\/figcaption><\/figure><\/div>\n\n\n\n<p>E, bem, j\u00e1 conversamos sobre os propriet\u00e1rios, mas ainda h\u00e1 algo a dizer sobre os artistas. Antes dos NFTs, era muito dif\u00edcil vender arte digital no melhor dos casos. Agora, essa tecnologia fornece uma camada adicional para os criadores: <a href=\"https:\/\/consensys.net\/blog\/blockchain-explained\/can-nfts-crack-royalties-and-give-more-value-to-artists\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">royalties<\/a>. O propriet\u00e1rio pode ter o NFT, mas n\u00e3o tem os direitos autorais da obra em si. Ent\u00e3o, em v\u00e1rios casos, <strong>cada vez que uma obra \u00e9 vendida, uma porcentagem vai automaticamente para a carteira do artista<\/strong>. Legal certo? Picasso n\u00e3o tinha isso.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quais artistas \/ celebridades \/ empresas j\u00e1 possuem NFTs?<\/strong><\/h2>\n\n\n\n<p>A resposta \u00e9 muito longa aqui. De acordo com <a href=\"https:\/\/coinranking.com\/nfts\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Coinranking<\/a>, existem cerca de 567.156 NFTs com um volume de negocia\u00e7\u00e3o de mais de $94m nos \u00faltimos 30 dias - apenas em mercados descentralizados, o que exclui coisas na Christie&#039;s e similares.<\/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>O artista Chris Torres vendeu seu popular meme Nyan Cat como um NFT por mais de $600k. Fonte: Foundation App<\/figcaption><\/figure>\n\n\n\n<p>Mercados como o Nifty Gateway (nifty \/ nifties \u00e9 outra maneira de chamar NFTs) contam com mais de 2.000 trabalhos que variam de $200 a milh\u00f5es. Enquanto isso, os lances na OpenSea podem come\u00e7ar com alguns d\u00f3lares (em criptomoedas). Jogos populares e colecion\u00e1veis s\u00e3o <strong>CryptoKitties, CryptoPunks, Sorare, Decentraland, Gods Unchained<\/strong>, <strong>Feiti\u00e7os do G\u00eanesis, RarePepe, Rarible<\/strong>, e muitos mais.<\/p>\n\n\n\n<p>Quanto aos artistas e celebridades envolvidos at\u00e9 agora, <a href=\"https:\/\/alfacash.blog\/2021\/03\/31\/what-happened-march-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">podemos mencionar<\/a> Chris Torres (criador do 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 (junto com Sophia the Robot), Lindsay Lohan, Kings of Leon, Jack Dorsey, Elon Musk, Paris Hilton, Grimes, 3LAU, Steve Aoki, Shawn Mendes e um monte de atletas e equipes esportivas. Apenas a plataforma <a href=\"https:\/\/sorare.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">T\u00e3o raro<\/a> tem 126 clubes de futebol licenciados com seus pr\u00f3prios cart\u00f5es digitais exclusivos (NFTs).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Como emitir, comprar e vender NFTs?<\/strong><\/h2>\n\n\n\n<p>Voc\u00ea n\u00e3o precisa ser um desenvolvedor para criar seu pr\u00f3prio NFT e list\u00e1-lo quase de gra\u00e7a no mercado. Isso n\u00e3o significa que seu NFT rec\u00e9m-nascido tenha algum valor real, mas voc\u00ea pode fazer isso de qualquer maneira. Os potenciais investidores apreciar\u00e3o obras de arte, benef\u00edcios exclusivos em um neg\u00f3cio e coisas \u00fanicas em geral.<\/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-fever-artworks\" 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>Isso pode ser um NFT. Imagem por <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>A primeira etapa \u00e9 escolher um blockchain e uma plataforma.<a href=\"https:\/\/alfacash.blog\/2021\/03\/08\/bitcoin-ethereum-go-bullish-again-new-investments\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Ethereum<\/a> ainda \u00e9 o mais popular, e <strong>mercados como OpenSea, Rarible e Mintable permitem que voc\u00ea conecte sua carteira ETH<\/strong> e envie suas cria\u00e7\u00f5es para transform\u00e1-las em NFTs. Em outros mercados, como Nifty Gateway e Makersplace, os criadores precisam se inscrever com anteced\u00eancia.<\/p>\n\n\n\n<p>Claro, se voc\u00ea realmente \u00e9 um desenvolvedor e \/ ou deseja fazer isso diretamente, voc\u00ea pode verificar os padr\u00f5es para construir NFTs em cada blockchain e selecionar um para come\u00e7ar do zero. Em Ethereum, temos <a href=\"https:\/\/eips.ethereum.org\/EIPS\/eip-721\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ERC-721<\/a> e ERC-1155, no EOS temos os padr\u00f5es SimpleAssets e dGoods, e no Tron est\u00e1 o TRC-721. On Counterparty \u00e9 ainda mais f\u00e1cil, com uma interface amig\u00e1vel para criar <a href=\"https:\/\/counterparty.io\/get-started\/#create-token\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ativos personalizados<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.alfa.cash\/pt\" target=\"_blank\" rel=\"noreferrer noopener\">Comprar e vender<\/a> \u00e9 mais simples. <strong>Voc\u00ea s\u00f3 precisa conectar sua carteira ao mercado de sua prefer\u00eancia,<\/strong> escolha a pe\u00e7a que deseja e participe do leil\u00e3o ou venda direta. Para revender, voc\u00ea tamb\u00e9m pode fazer no mesmo mercado, recebendo lances ou estabelecendo um pre\u00e7o. Tudo isso depende, \u00e9 claro, do tipo de NFT que voc\u00ea deseja ou possui.<\/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>Mercado OpenSea NFT. Captura de tela.<\/figcaption><\/figure><\/div>\n\n\n\n<p>Por exemplo, se voc\u00ea quiser comprar um trabalho de Beeple, voc\u00ea o encontrar\u00e1 no Nifty Gateway. Mas se voc\u00ea quiser algo por <a href=\"https:\/\/makersplace.com\/gviotto_\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Gabriel viotto<\/a>, voc\u00ea o encontrar\u00e1 no Makersplace. Voc\u00ea s\u00f3 precisa seguir seus artistas favoritos para descobrir seus NFTs ou explorar diferentes mercados para encontrar seus favoritos. Voc\u00ea tamb\u00e9m pode esperar por <a href=\"https:\/\/twitter.com\/alfacash_crypto\/status\/1341317184560181248\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">mais brindes<\/a> em Alfacash!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Os NFTs s\u00e3o ruins para o meio ambiente e as mudan\u00e7as clim\u00e1ticas?<\/strong><\/h2>\n\n\n\n<p>Isso pode ser um todo <a href=\"https:\/\/www.alfa.cash\/bitcoin.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">papel branco<\/a>, mas podemos resumir um pouco. A verdadeira resposta \u00e9 que depende muito da forma como os anos noventa s\u00e3o emitidos (o que tamb\u00e9m se aplica a todos os criptomoedas). Vamos ver: <a href=\"https:\/\/nonfungible.com\/blog\/ecological-impact-nfts\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">o argumento principal<\/a> contra NFTs (e alguns criptos) <strong>\u00e9 o alto uso de eletricidade necess\u00e1ria para emiti-los e verific\u00e1-los.<\/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\">Minera\u00e7\u00e3o de criptomoeda<\/a> com o sistema Proof-of-Work (PoW) usa propositalmente muita eletricidade para resolver problemas matem\u00e1ticos complexos antes de emitir novas moedas. Isso oferece muita seguran\u00e7a para as redes de blockchain, mas a desvantagem, novamente, \u00e9 o alto uso de energia. Se essa energia for produzida com combust\u00edveis f\u00f3sseis, isso significa mais contamina\u00e7\u00e3o do ar e mais aquecimento global.<\/p>\n\n\n\n<p>Alguns relat\u00f3rios alarmantes podem mencionar que <a href=\"https:\/\/alfacash.blog\/2020\/11\/25\/how-to-start-bitcoin-cryptos-5-steps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bitcoin<\/a> (e NFTs) consomem mais energia do que pa\u00edses como Su\u00e9cia, Ucr\u00e2nia ou Holanda. No entanto, eles se esquecem de mencionar coisas importantes como &quot;a quantidade de eletricidade consumida todos os anos por dispositivos dom\u00e9sticos sempre ligados, mas inativos, apenas nos EUA, poderiam alimentar a rede Bitcoin por 1,5 anos&quot;, ou o fato de que Bitcoin (e provavelmente todos os criptos ) representa apenas 0,57% da produ\u00e7\u00e3o total de eletricidade [<a href=\"https:\/\/cbeci.org\/cbeci\/comparisons\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CBECI<\/a> por 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-ambiente-mudan\u00e7a clim\u00e1tica\" 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>Imagem de mohamed Hassan do Pixabay<\/figcaption><\/figure><\/div>\n\n\n\n<p>Al\u00e9m disso, de acordo com a empresa <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>mais de 74% de minera\u00e7\u00e3o Bitcoin usa fontes de energia renov\u00e1veis,<\/strong> como hidrel\u00e9trica, solar e geot\u00e9rmica. Portanto, nesse caso, Bitcoin e cryptos (incluindo NFTs) n\u00e3o seriam contaminantes. Al\u00e9m disso, podemos mencionar que nem todos os blockchains que emitem NFTs funcionam com sistemas PoW. EOS, Tron e <a href=\"https:\/\/alfacash.blog\/2020\/11\/14\/ethereum-2-new-features-prices-more-ethereum-chains\/\" target=\"_blank\" rel=\"noreferrer noopener\">em breve Ethereum<\/a>, use a prova de aposta (<a href=\"https:\/\/alfacash.blog\/2021\/01\/24\/what-proof-of-stake-pos-coins-passive-income\/\" target=\"_blank\" rel=\"noreferrer noopener\">PoS<\/a>) em vez de. Este sistema n\u00e3o requer energia para funcionar. \u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Posso ouvir m\u00fasicas sobre NFTs para melhor compreens\u00e3o?<\/strong><\/h2>\n\n\n\n<p>Como voc\u00ea pode imaginar, a resposta \u00e9 sim. Elon Musk fez uma m\u00fasica sobre NFTs e est\u00e1 vendendo como NFT. Mas a m\u00fasica realmente engra\u00e7ada especialmente projetada para entender os NFTs foi feita pela equipe do show <strong>Saturday Night Live (SNL) no estilo de Eminem<\/strong>. Podemos terminar com isso por enquanto!<\/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\">o que diabos \u00e9 um NFT <a href=\"https:\/\/t.co\/BcFylopM63\">pic.twitter.com\/BcFylopM63<\/a><\/p>- Saturday Night Live - SNL (@nbcsnl) <a href=\"https:\/\/twitter.com\/nbcsnl\/status\/1376032888764960769?ref_src=twsrc%5Etfw\">28 de mar\u00e7o de 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>Quer trocar Bitcoin e outros tokens? Voc\u00ea consegue<\/em>\u00a0<em>com seguran\u00e7a\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">em Alfacash<\/a>! E n\u00e3o esque\u00e7a que estamos falando sobre isso e muitas outras coisas em nossas redes sociais.<\/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\">Telegrama<\/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>Ultimamente, os tokens n\u00e3o fung\u00edveis (NFTs) est\u00e3o crescendo. Eles s\u00e3o arte, gatos, punks, can\u00e7\u00f5es e muito mais. Voc\u00ea pode entend\u00ea-los facilmente aqui!<\/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\/pt\/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\/pt\/2021\/04\/11\/what-are-non-fungible-tokens-nfts-why-febre-ultimate-guide\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\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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