{"id":8118,"date":"2021-10-23T05:28:40","date_gmt":"2021-10-23T02:28:40","guid":{"rendered":"https:\/\/alfacash.blog\/?p=8118"},"modified":"2024-03-06T20:51:26","modified_gmt":"2024-03-06T17:51:26","slug":"dark-side-nfts-scams-money-branqueamento-poluicao","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/pt\/2021\/10\/23\/dark-side-nfts-scams-money-branqueamento-poluicao\/","title":{"rendered":"Lado escuro dos NFTs: golpes, lavagem de dinheiro e polui\u00e7\u00e3o"},"content":{"rendered":"<p>Tokens n\u00e3o Fung\u00edveis (NFTs) est\u00e3o em toda parte hoje em dia. Voc\u00ea pode ouvir sobre eles em cole\u00e7\u00f5es, mercados e at\u00e9 mesmo em jogos. S\u00e3o itens digitais \u00fanicos com pre\u00e7o subjetivo e vari\u00e1vel, desej\u00e1veis para colecionadores. E tamb\u00e9m desej\u00e1vel para criminosos? <strong>Bem, provavelmente sim. Acontece que os NFTs t\u00eam um lado negro.<\/strong><\/p>\n\n\n\n<p>Claro, a polui\u00e7\u00e3o potencial \u00e9 provavelmente a coisa mais discutida a respeito. Mas isso \u00e9 apenas a ponta do iceberg e, surpreendentemente, algo facilmente resolv\u00edvel (em teoria). Infelizmente, como a maioria das ferramentas deste mundo, <a href=\"https:\/\/alfacash.blog\/pt\/2021\/04\/11\/what-are-non-fungible-tokens-nfts-why-febre-ultimate-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">os NFTs<\/a> pode ser usado para o mal tamb\u00e9m. Vamos explorar esses usos ruins e como combat\u00ea-los.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dark-side-one-nfts-scams\"><strong>Lado escuro um: golpes de NFTs<\/strong><\/h2>\n\n\n\n<p>De acordo com a p\u00e1gina de an\u00e1lise <a href=\"https:\/\/nonfungible.com\/market\/history\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">N\u00e3o Fung\u00edvel<\/a>, mais de $2,1 bilh\u00f5es foram gastos em vendas de NFTs no total. Essa \u00e9 a figura perfeita para atrair golpistas de todos os tipos. Eles j\u00e1 desenvolveram tr\u00eas formas principais de roubar os fundos dos usu\u00e1rios e NFTs: personificar servi\u00e7os de suporte, fazer brindes falsos e at\u00e9 mesmo criar e promover projetos fraudulentos do zero.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-1024x682.jpg\" alt=\"Golpes de NFTs do lado negro\" class=\"wp-image-5919\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/scam-4126798_1280-1.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Vamos come\u00e7ar com os servi\u00e7os de suporte. Quando os usu\u00e1rios dos diferentes mercados NFT precisam de algum tipo de ajuda, eles podem entrar em contato com o suporte da plataforma. E eles costumam fazer isso <a href=\"https:\/\/alfacash.blog\/pt\/2021\/08\/26\/crypto-scammers-stealing-opensea-users-discord\/\" target=\"_blank\" rel=\"noreferrer noopener\">atrav\u00e9s do Discord<\/a>, que se tornou um centro para o mundo criptogr\u00e1fico. Membros leg\u00edtimos dessas plataformas est\u00e3o l\u00e1, <strong>mas os golpistas tamb\u00e9m est\u00e3o l\u00e1, esperando pelas v\u00edtimas<\/strong>.<\/p>\n\n\n\n<p>Em seguida, os golpistas enviam mensagens privadas e os fazem pensar que est\u00e3o ajudando. At\u00e9 que eles pe\u00e7am para compartilhar a tela para roubar as chaves privadas da v\u00edtima de um c\u00f3digo QR MetaMask. Eles esvaziaram muito <a href=\"https:\/\/alfacash.blog\/pt\/2021\/02\/03\/truques-dicas-como-escolher-primeiro-crypto-wallet\/\" target=\"_blank\" rel=\"noreferrer noopener\">carteiras<\/a> desta forma, incluindo os NFTs.<\/p>\n\n\n\n<p>\u00c9 por isso que mercados como o OpenSea <a href=\"https:\/\/www.theverge.com\/22683766\/nft-scams-theft-social-engineering-opensea-community-recovery\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">implementado<\/a> um bot\u00e3o SOS. Este permite que os usu\u00e1rios bloqueiem sua pr\u00f3pria conta se suspeitarem que est\u00e1 comprometida. MetaMask tamb\u00e9m tomou medidas ao desativar temporariamente seu recurso de sincroniza\u00e7\u00e3o de c\u00f3digo QR m\u00f3vel (explorado pelos golpistas). <\/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\">A forma como esse ataque est\u00e1 acontecendo \u00e9 que as pessoas est\u00e3o sendo instru\u00eddas a ir ao OpenSea Discord e postar seu t\u00edquete de suporte, os invasores est\u00e3o monitorando esses canais e entrando em contato com pessoas que se passam por suporte da OpenSea, munidas de informa\u00e7\u00f5es sobre sua solicita\u00e7\u00e3o de suporte. <a href=\"https:\/\/t.co\/m4NWyU1zea\">pic.twitter.com\/m4NWyU1zea<\/a><\/p>- Sean Bonner \u24cb (@seanbonner) <a href=\"https:\/\/twitter.com\/seanbonner\/status\/1430273734045143041?ref_src=twsrc%5Etfw\">24 de agosto de 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>Al\u00e9m desses, <strong>h\u00e1 alguma arrecada\u00e7\u00e3o de fundos da comunidade para as v\u00edtimas e alguns &quot;bots de resgate&quot; <\/strong>fazer ofertas baixas autom\u00e1ticas aos golpistas para recuperar as pe\u00e7as e devolv\u00ea-las aos propriet\u00e1rios originais.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-more-fake-promises\"><strong>Mais promessas falsas<\/strong><\/h3>\n\n\n\n<p>Por sua vez, o <a href=\"https:\/\/alfacash.blog\/pt\/2021\/02\/15\/fake-crypto-giveaways-discord-esperando-novas-vitimas\/\" target=\"_blank\" rel=\"noreferrer noopener\">brindes falsos<\/a> s\u00e3o cl\u00e1ssicos neste ponto. Os golpistas do NFT do lado negro oferecem uma suposta oferta, apenas se os participantes enviarem \u201cpequenas quantias\u201d primeiro. Claro, eles nunca pagam nada de volta. Os projetos de NFTs fraudulentos exigem mais trabalho, pois s\u00e3o p\u00e1ginas da web inteiras e at\u00e9 mesmo conceitos totalmente novos. A maneira mais f\u00e1cil para <a href=\"https:\/\/bolster.ai\/blog\/5-nft-scams-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">os golpistas<\/a> est\u00e1 replicando os mercados existentes (<a href=\"https:\/\/alfacash.blog\/pt\/2020\/10\/04\/malware-pode-roubar-cryptos-como-evitar-isso\/\" target=\"_blank\" rel=\"noreferrer noopener\">phishing<\/a>), como OpenSea ou Rarible. Assim, eles roubariam as chaves privadas das pessoas.<\/p>\n\n\n\n<p>Mas existe outra op\u00e7\u00e3o. <strong>Eles tamb\u00e9m podem prometer cunhar novos NFTs ou at\u00e9 mesmo criar um jogo ou plataforma DeFi que nunca vir\u00e1<\/strong>. Por exemplo, j\u00e1 falamos sobre o falso <a href=\"https:\/\/alfacash.blog\/pt\/2021\/06\/23\/new-nft-marvel-marketplace-could-be-classic-scam\/\" target=\"_blank\" rel=\"noreferrer noopener\">NFT Marvel Marketplace<\/a> que apareceu em junho. Eles prometeram criar NFTs com o tema da Marvel e lan\u00e7aram uma campanha de arrecada\u00e7\u00e3o de fundos para isso. Nesse momento, a p\u00e1gina nem existe mais e os investidores n\u00e3o recuperaram o dinheiro.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"479\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-1024x479.jpg\" alt=\"NFT-Marvel-Marketplace-scam\" class=\"wp-image-7541\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-1024x479.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-300x140.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-150x70.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-18x8.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-270x126.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-770x360.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-1086x508.jpg 1086w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-900x421.jpg 900w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-370x173.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-554x259.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-306x143.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-260x122.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot-87x41.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/06\/NFT-Marvel-Marketplace-incoming.-The-links-dont-work.-Source-screenshot.jpg 1251w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">NFT Marvel Marketplace \u201centrando\u201d. Os links n\u00e3o funcionam. Captura de tela da fonte<\/figcaption><\/figure><\/div>\n\n\n<p>Algo semelhante aconteceu com o projeto \u201c<a href=\"https:\/\/www.vice.com\/en\/article\/y3dyem\/investors-spent-millions-on-evolved-apes-nfts-then-they-got-scammed\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Macacos evolu\u00eddos<\/a>\u201d. Um desenvolvedor apelidado de \u201cEvil Ape\u201d prometeu fazer \u201cuma cole\u00e7\u00e3o de 10.000 NFTs \u00fanicos presos dentro de uma terra sem lei\u201d e inclu\u00ed-los em um jogo. N\u00e3o muito depois, eles desapareceram com mais de $2 milh\u00f5es de investidores. Ao menos, a comunidade se uniu para criar o \u201cFight Back Apes\u201d, um projeto leg\u00edtimo baseado no antigo.<\/p>\n\n\n\n<p>\u00c9 dif\u00edcil distinguir os projetos leg\u00edtimos dos golpes neste caso. Os autores de projetos leg\u00edtimos no mundo da criptomoeda costumam ser an\u00f4nimos (como <a href=\"https:\/\/alfacash.blog\/pt\/2020\/10\/15\/quem-satoshi-nakamoto-misterioso-bitcoin-criador\/\" target=\"_blank\" rel=\"noreferrer noopener\">Satoshi Nakamoto<\/a> ele mesmo). <strong>Portanto, \u00e9 muito importante fazer uma pesquisa profunda sobre cada projeto antes de investir<\/strong>e nunca aposte uma quantia que voc\u00ea n\u00e3o pode perder.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dark-side-two-money-laundering-with-nfts\"><strong>Lado escuro dois: lavagem de dinheiro com NFTs<\/strong><\/h2>\n\n\n\n<p>J\u00e1 falamos sobre o <a href=\"https:\/\/alfacash.blog\/pt\/2021\/05\/08\/top-5-mais-caro-nfts-vendido-data\/\" target=\"_blank\" rel=\"noreferrer noopener\">NFTs mais caros<\/a> j\u00e1 vendido. Como voc\u00ea deve saber, eles s\u00e3o vendidos por milh\u00f5es de d\u00f3lares por pe\u00e7a. Afinal, a arte \u00e9 subjetiva. \u00c9 prov\u00e1vel que a maioria dos compradores realmente aprecie nessa medida o valor dessas pe\u00e7as de arte digital. Mas n\u00e3o podemos dizer isso de todos. \u00c0s vezes, o \u00fanico prop\u00f3sito de comprar NFTs a pre\u00e7os t\u00e3o altos n\u00e3o \u00e9 outro sen\u00e3o a lavagem de dinheiro.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-1024x682.jpg\" alt=\"Dark-side-NFTs-Laundering\" class=\"wp-image-8123\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/money-5244058_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>AJ Woloszynski, da firma de contabilidade dos Estados Unidos EisenAmper, <a href=\"https:\/\/www.eisneramper.com\/non-fungible-tokens-money-laundering-flvs-blog-0821\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">explica isso<\/a> claramente:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cAlgu\u00e9m querendo &#039;limpar&#039; dinheiro sujo poderia teoricamente gerar (ou comprar) um NFT an\u00f4nimo; liste-o \u00e0 venda no blockchain; compr\u00e1-lo de si mesmo de uma carteira digital an\u00f4nima e n\u00e3o regulamentada com fundos il\u00edcitos; e, em seguida, reconhecer o dinheiro como fundos leg\u00edtimos da venda da obra de arte. \u201d<\/p>\n<\/blockquote>\n\n\n\n<p>Pelo menos, esse truque geraria 20% em impostos para ganhos de capital nos Estados Unidos. Aparentemente, as pessoas que usam criptomoedas para comprar NFTs ainda ter\u00e3o <a href=\"https:\/\/twitter.com\/SquawkCNBC\/status\/1372138868196130820\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">pagar impostos<\/a> neste pa\u00eds. <strong>No entanto, h\u00e1 outra maneira de sonegar impostos usando NFTs<\/strong>. Como foi descrito por <a href=\"https:\/\/cryptowhale.medium.com\/money-laundering-tutorial-how-to-launder-millions-with-nfts-7530b7079a78\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CryptoWhale<\/a>:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cA evas\u00e3o fiscal por meio de NFTs tamb\u00e9m pode ser facilmente alcan\u00e7ada por meio das mesmas estrat\u00e9gias empregadas com a arte f\u00edsica: criar onze NFTs, vender um a um amigo por $10.000, doar os outros dez por uma perda de $100.000. Mole-mole!&quot;<\/p>\n<\/blockquote>\n\n\n\n<p>\u00c9 exatamente por isso que os pa\u00edses <a href=\"https:\/\/alfacash.blog\/pt\/2021\/09\/19\/bitcoin-legal-currency-salvador-panama-ucrania-mais\/\" target=\"_blank\" rel=\"noreferrer noopener\">como o panam\u00e1<\/a> j\u00e1 est\u00e3o planejando seus pr\u00f3prios regulamentos para NFTs. Provavelmente, mercados populares como OpenSea, Rarible, Foundation ou Nifty Gateway <strong>come\u00e7ar\u00e1 a aplicar as mesmas medidas de verifica\u00e7\u00e3o que as trocas de criptografia<\/strong> (KYC \/ AML) eventualmente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dark-side-three-potential-pollution-on-nfts\"><strong>Lado escuro tr\u00eas: polui\u00e7\u00e3o potencial em NFTs<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/alfacash.blog\/pt\/2021\/05\/16\/faq-criptomoedas-poluicao-mudanca-climatica\/\" target=\"_blank\" rel=\"noreferrer noopener\">A polui\u00e7\u00e3o<\/a> que pode ser gerado por essas obras \u00e9 muito discutido nos dias de hoje. Algumas pessoas pensam que os NFTs t\u00eam apenas um lado negro porque s\u00e3o um desastre ambiental, mas isso est\u00e1 muito longe da verdade. Eles tamb\u00e9m n\u00e3o s\u00e3o perfeitos. O principal argumento contra os NFTs (e alguns criptomoedas) \u00e9 o alto uso de eletricidade necess\u00e1ria para emiti-los e verific\u00e1-los.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"597\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-1024x597.jpg\" alt=\"Polui\u00e7\u00e3o do lado escuro de NFTs\" class=\"wp-image-8124\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-1024x597.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-300x175.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-150x87.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-18x10.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-270x157.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-770x449.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-872x508.jpg 872w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-884x515.jpg 884w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-370x216.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-554x323.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-306x178.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-260x152.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280-87x51.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/cryptocurrency-3171920_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/alfacash.blog\/pt\/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 cunhar novas moedas. Isso oferece muita seguran\u00e7a para as redes 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><strong>Atualmente, a maioria dos NFTs s\u00e3o emitidos por meio de sistemas baseados em Ethereum, um blockchain PoW<\/strong> (ainda). De acordo com <a href=\"https:\/\/digiconomist.net\/ethereum-energy-consumption\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Digiconomista<\/a>, Ethereum usa 80,3 TWh por ano e tem uma pegada de carbono de 38,18 Mt (milh\u00f5es de toneladas) de CO2, \u201ccompar\u00e1vel \u00e0 pegada de carbono da Eslov\u00e1quia\u201d. Mas espere, porque as compara\u00e7\u00f5es v\u00e3o al\u00e9m disso.<\/p>\n\n\n\n<p>O setor banc\u00e1rio <a href=\"https:\/\/cryptowords.github.io\/bitcoin-and-energy-consumption-rebuttal\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">consome<\/a> cerca de 639 TWh anualmente. Considerando que 1 KWh <a href=\"https:\/\/blueskymodel.org\/kilowatt-hour\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">produz<\/a> aproximadamente 1 libra de di\u00f3xido de carbono (CO2), esta ind\u00fastria sozinha liberaria 319,5 Mt CO2 na atmosfera. A minera\u00e7\u00e3o de ouro consome cerca de 138,9 TWh por ano, o que se traduz em 69,4 Mt CO2. Os produtores de combust\u00edveis f\u00f3sseis ganham nada menos do que 923 <em>bilh\u00e3o<\/em> toneladas de CO2 [<a href=\"https:\/\/cdn.cdp.net\/cdp-production\/cms\/reports\/documents\/000\/002\/327\/original\/Carbon-Majors-Report-2017.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Carbon Disclosure Project<\/a>] Na verdade, apenas 100 dessas empresas emitem 70% de emiss\u00f5es globais de CO2.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-1024x576.jpg\" alt=\"bitcoin-tesla-green-energy\" class=\"wp-image-7315\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-1024x576.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-300x169.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-150x84.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-18x10.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-270x152.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-770x433.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-903x508.jpg 903w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-900x506.jpg 900w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-370x208.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-554x312.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-306x172.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-260x146.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280-87x49.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/05\/light-bulb-984551_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Al\u00e9m disso, nem todas as transa\u00e7\u00f5es em Ethereum t\u00eam a ver com NFTs. Eles ainda s\u00e3o uma pequena parte em compara\u00e7\u00e3o. Sem mencionar que este blockchain tem planos <a href=\"https:\/\/alfacash.blog\/pt\/2020\/11\/14\/ethereum-2-new-features-prices-more-ethereum-chains\/\" target=\"_blank\" rel=\"noreferrer noopener\">migrar<\/a> para a prova de aposta do sistema (<a href=\"https:\/\/alfacash.blog\/pt\/2021\/01\/24\/que-prova-de-aposta-pos-moedas-renda-passiva\/\" target=\"_blank\" rel=\"noreferrer noopener\">PoS<\/a>), que n\u00e3o requer energia. E falando sobre isso, <strong>existem (literalmente) centenas de outros mercados de NFTs baseados em sistemas PoS<\/strong> [<a href=\"https:\/\/cleannfts.org\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CleanNFTs<\/a>].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-are-nfts-that-bad\"><strong>Os NFTs s\u00e3o t\u00e3o ruins assim?<\/strong><\/h2>\n\n\n\n<p>Resposta curta: n\u00e3o. Os NFTs s\u00e3o uma ferramenta que pode ser usada por qualquer pessoa em todo o mundo, assim como as criptomoedas em geral (e dinheiro tradicional). Eles podem ser usados para o mal e para o bem. Em primeiro lugar, os NFTs s\u00e3o uma ferramenta muito valiosa para os artistas.<\/p>\n\n\n\n<p>Antes deles, a arte digital era muito dif\u00edcil de vender, na melhor das caixas. Os NFTs abriram as portas para <a href=\"https:\/\/alfacash.blog\/pt\/2021\/07\/27\/top-5-nfts-mais-estranho-cunhado-ate-data\/\" target=\"_blank\" rel=\"noreferrer noopener\">talentos em todo o mundo<\/a>. Al\u00e9m disso, essa tecnologia fornece uma camada adicional para os criadores: royalties. O propriet\u00e1rio pode ter o NFT, mas n\u00e3o tem os direitos autorais da obra em si. Assim, em v\u00e1rios casos, sempre que uma obra \u00e9 vendida, uma porcentagem dela vai automaticamente para a carteira do artista.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-1024x682.jpg\" alt=\"Artist-NFTs-wallet-Ethereum\" class=\"wp-image-8125\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/hands-1868562_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>E sim, eles tamb\u00e9m t\u00eam sido usados para o bem. <a href=\"https:\/\/cryptobriefing.com\/art-blocks-nfts-raise-23-5m-for-charity-august\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Por exemplo<\/a>, <strong>Art Blocks, uma plataforma de obras de arte program\u00e1veis em Ethereum,<\/strong> <strong>arrecadou $23,5 milh\u00f5es para caridade em agosto<\/strong>. Seus artistas est\u00e3o dispostos a doar algo entre 10% e 25% de seus ganhos. E isso n\u00e3o \u00e9 tudo. Iniciativas como <a href=\"https:\/\/www.nftforgood.org\/#\/home\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">NFT for Good<\/a> na Binance Smart Chain (BSC) permite que artistas e investidores usem os NFTs para ajudar outras pessoas.<\/p>\n\n\n\n<p>Os NFTs t\u00eam um lado negro, mas isso n\u00e3o \u00e9 tudo o que eles t\u00eam a oferecer. Principalmente, eles s\u00e3o uma ferramenta \u00fatil que nos permitiu descobrir um novo mundo de possibilidades.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Quer trocar BTC, ETH e outros tokens? Voc\u00ea consegue<\/em>&nbsp;<em>com seguran\u00e7a&nbsp;<\/em><em><a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">em Alfacash<\/a><\/em><em>! 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>Tokens n\u00e3o Fung\u00edveis (NFTs) est\u00e3o em toda parte hoje em dia. Mesmo nos setores criminosos? Acontece que os NFTs t\u00eam um lado negro.<\/p>","protected":false},"author":5,"featured_media":8127,"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":[50],"tags":[61,107,421,277,134,331,45],"class_list":{"0":"post-8118","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-analysis","8":"tag-cryptocurrencies","9":"tag-ethereum","10":"tag-money-laundering","11":"tag-nfts","12":"tag-phishing","13":"tag-pollution","14":"tag-scams"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/10\/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>Dark side of NFTs: scams, money laundering, and pollution - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"Non-Fungible Tokens (NFTs) are everywhere these days. Even in the criminal sectors? As it turns out, the NFTs have a dark side.\" \/>\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\/10\/23\/dark-side-nfts-scams-money-branqueamento-poluicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dark side of NFTs: scams, money laundering, and pollution\" \/>\n<meta property=\"og:description\" content=\"Non-Fungible Tokens (NFTs) are everywhere these days. Even in the criminal sectors? 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