{"id":111834,"date":"2025-10-27T09:16:10","date_gmt":"2025-10-27T09:16:10","guid":{"rendered":"https:\/\/investx.fr\/pt\/?p=111834"},"modified":"2025-10-27T09:16:11","modified_gmt":"2025-10-27T09:16:11","slug":"vitalik-buterin-vs-fundador-da-solana-o-que-esta-por-tras-deste-confronto","status":"publish","type":"post","link":"https:\/\/investx.fr\/pt\/noticias-cripto\/vitalik-buterin-vs-fundador-da-solana-o-que-esta-por-tras-deste-confronto\/","title":{"rendered":"Vitalik Buterin vs. Fundador da Solana : O que est\u00e1 por tr\u00e1s deste confronto ?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"confronto-no-topo-entre-vitalik-buterin-e-yakovenko\">Confronto no topo entre Vitalik Buterin e Yakovenko<\/h2>\n\n\n\n<p>A quest\u00e3o da <strong>seguran\u00e7a das Layer-2 do Ethereum<\/strong> cristaliza atualmente as tens\u00f5es entre os dois ecossistemas dominantes do mercado cripto. Com mais de <strong>35 mil milh\u00f5es de d\u00f3lares bloqueados<\/strong> em redes como <strong>Arbitrum, <a href=\"https:\/\/investx.fr\/pt\/investir-criptomoedas\/coinbase\/programa-vip\/\">Base<\/a>, Optimism e Worldchain<\/strong>, o que est\u00e1 em causa vai muito al\u00e9m de um simples debate t\u00e9cnico. Os argumentos apresentados por Buterin e Yakovenko tocam os pr\u00f3prios fundamentos da descentraliza\u00e7\u00e3o e da confian\u00e7a nos protocolos <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/blockchain\/\">blockchain<\/a>.<\/p>\n\n\n\n<p>O timing desta controv\u00e9rsia n\u00e3o \u00e9 casual. Enquanto o <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/cripto\/ethereum\/\">Ethereum<\/a> regista uma descida de 25% no primeiro semestre de 2025 contra 19,1% para Solana, a <strong>batalha pela domina\u00e7\u00e3o dos smart contracts intensifica-se.<\/strong> O r\u00e1cio SOL\/ETH mostra ali\u00e1s uma sobreperformance do Solana de <strong>26,2%<\/strong> em janeiro, antes do mercado baixista afetar ambos os ativos. Esta din\u00e2mica alimenta naturalmente as cr\u00edticas \u00e0 viabilidade do modelo multi-camadas do Ethereum.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"vitalik-buterin-defende-a-heranca-de-seguranca-das-l2\">Vitalik Buterin defende a heran\u00e7a de seguran\u00e7a das L2<\/h2>\n\n\n\n<p>Vitalik Buterin martela o seu argumento principal : as Layer-2 do Ethereum beneficiam de uma <strong>prote\u00e7\u00e3o intr\u00ednseca contra ataques de 51%<\/strong>. No seu racioc\u00ednio, mesmo que uma maioria de validadores colaborasse ou sofresse um bug de software, n\u00e3o poderia validar blocos inv\u00e1lidos nem roubar os ativos dos utilizadores. Esta garantia de finalidade prov\u00e9m diretamente da camada base Ethereum, <strong>protegida por mais de um milh\u00e3o de validadores ativos.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Regular reminder:<br><br>A key property of a blockchain is that even a 51% attack *cannot make an invalid block valid*. This means even 51% of validators colluding (or hit by a software bug) cannot steal your assets.<br><br>However, this property does not carry over if you start trusting\u2026<\/p>&mdash; vitalik.eth (@VitalikButerin) <a href=\"https:\/\/twitter.com\/VitalikButerin\/status\/1982274694708691212?ref_src=twsrc%5Etfw\">October 26, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>O cofundador do Ethereum reconhece todavia uma <strong>limita\u00e7\u00e3o t\u00e9cnica significativa<\/strong>. Quando os utilizadores come\u00e7am a confiar no conjunto de validadores para fun\u00e7\u00f5es que a blockchain n\u00e3o controla diretamente, a prote\u00e7\u00e3o esbate-se. Neste cen\u00e1rio, 51% dos validadores poderiam teoricamente conspirar para fornecer m\u00e1s respostas sem recurso poss\u00edvel para os utilizadores.<\/p>\n\n\n\n<p>Esta nuance na argumenta\u00e7\u00e3o de Buterin revela <strong>a complexidade do modelo de seguran\u00e7a das L2.<\/strong> A arquitetura assenta num equil\u00edbrio delicado entre a descentraliza\u00e7\u00e3o da camada base e os mecanismos de confian\u00e7a necess\u00e1rios ao funcionamento das solu\u00e7\u00f5es de escalabilidade. Compreender esta distin\u00e7\u00e3o torna-se crucial para avaliar os riscos ligados \u00e0s posi\u00e7\u00f5es em diferentes L2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"yakovenko-aponta-as-falhas-estruturais\">Yakovenko aponta as falhas estruturais<\/h2>\n\n\n\n<p><strong>Anatoly Yakovenko<\/strong> adota uma posi\u00e7\u00e3o radicalmente diferente. Segundo ele, a afirma\u00e7\u00e3o de que as L2 herdam a seguran\u00e7a do Ethereum constitui um <strong>erro fundamental.<\/strong> Compara diretamente o <strong>Wormhole ETH no <a href=\"https:\/\/investx.fr\/pt\/aprender-criptomoedas\/cripto\/solana\/\">Solana<\/a> com o ETH na Base<\/strong>, afirmando que ambos apresentam riscos similares no pior cen\u00e1rio, enquanto geram receitas equivalentes para os stakers da camada 1 do Ethereum.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The promise of L2s != the reality of L2s. <br><br>The complexity and attack surface of the code needed for a full L2 is so large that it\u2019s impossible to guarantee that it\u2019s bug free and performant and feature complete.  <br><br>Because of this L2s currently all have an upgrade multisig which\u2026<\/p>&mdash; toly \ud83c\uddfa\ud83c\uddf8 (@aeyakovenko) <a href=\"https:\/\/twitter.com\/aeyakovenko\/status\/1982527988010029228?ref_src=twsrc%5Etfw\">October 26, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>O cofundador do Solana identifica <strong>tr\u00eas problemas estruturais principais<\/strong>.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Primeiro, as <strong>bases de c\u00f3digo complexas das L2 criam superf\u00edcies de ataque consider\u00e1veis<\/strong>, tornando as auditorias completas praticamente imposs\u00edveis.<\/li>\n\n\n\n<li>Segundo, os <strong>acordos multisig permitem a movimenta\u00e7\u00e3o de fundos sem consentimento expl\u00edcito<\/strong> se os signat\u00e1rios colaborarem ou forem comprometidos.<\/li>\n\n\n\n<li>Terceiro, os mecanismos de processamento off-chain <strong>centralizam o controlo,<\/strong> contradizendo os princ\u00edpios de descentraliza\u00e7\u00e3o blockchain.<\/li>\n<\/ol>\n\n\n\n<p>Yakovenko vai mais longe ao sugerir que uma <strong>limita\u00e7\u00e3o t\u00e9cnica fundamental<\/strong> impede as L2 de alcan\u00e7ar as propriedades de seguran\u00e7a desejadas. A sua pergunta ret\u00f3rica sobre os cinco anos de desenvolvimento sem resolu\u00e7\u00e3o completa destas quest\u00f5es levanta um ponto pertinente para o ecossistema. Com <strong>129 redes L2<\/strong> verificadas segundo o L2Beat, mais 29 n\u00e3o verificadas, a prolifera\u00e7\u00e3o parece <strong>alimentar a inefici\u00eancia em vez da inova\u00e7\u00e3o.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"a-fragmentacao-ameaca-o-ecossistema-ethereum\">A fragmenta\u00e7\u00e3o amea\u00e7a o ecossistema Ethereum ?<\/h2>\n\n\n\n<p>A explos\u00e3o do n\u00famero de Layer-2 coloca agora uma quest\u00e3o existencial para o Ethereum. Esta multiplica\u00e7\u00e3o cria uma <strong>fragmenta\u00e7\u00e3o da liquidez e da experi\u00eancia do utilizador<\/strong> que poder\u00e1 <strong>enfraquecer o ecossistema<\/strong> face a blockchains monol\u00edticas como o Solana. As iniciativas em curso, nomeadamente a amostragem da disponibilidade dos dados e o sequenciamento partilhado, visam atenuar estes riscos de centraliza\u00e7\u00e3o.<\/p>\n\n\n\n<p>O mercado parece hesitar sobre a viabilidade a longo prazo do modelo multi-camadas. A performance relativa do Solana no in\u00edcio de 2025 reflete talvez uma mudan\u00e7a de sentimento dos investidores institucionais. Os gestores de carteiras cripto analisam agora minuciosamente os compromissos entre escalabilidade, seguran\u00e7a e descentraliza\u00e7\u00e3o antes de alocar capital.<\/p>\n\n\n\n<p>Para os programadores e protocolos DeFi, a escolha da Layer-2 torna-se estrat\u00e9gica. Cada rede <strong>apresenta caracter\u00edsticas distintas<\/strong> em termos de custos de transa\u00e7\u00e3o, velocidade de finalidade e garantias de seguran\u00e7a. Esta diferencia\u00e7\u00e3o t\u00e9cnica influencia diretamente a ado\u00e7\u00e3o das aplica\u00e7\u00f5es e, por consequ\u00eancia, o valor bloqueado em cada plataforma.<\/p>\n\n\n\n<p>Compre facilmente os seus ETH e SOL na <a href=\"https:\/\/investx.fr\/pt\/investir-criptomoedas\/exchange\/bitget\/review\/\">Bitget<\/a> com alguns cliques. Otimize tamb\u00e9m os seus ganhos com o <strong>robot gratuito IA GetAgent<\/strong> que automatiza as suas negocia\u00e7\u00f5es e tente ganhar at\u00e9 <strong>6200 USDT<\/strong> com a <strong>nossa <a href=\"https:\/\/investx.fr\/go-bitget\/charles\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">oferta exclusiva aqui :<\/a><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"900\" height=\"200\" src=\"https:\/\/investx.fr\/pt\/wp-content\/uploads\/sites\/2\/2025\/10\/Banniere-Bitget-PT2.png\" alt=\"Banniere Bitget 2\" class=\"wp-image-110570\" srcset=\"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2025\/10\/Banniere-Bitget-PT2.png 900w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2025\/10\/Banniere-Bitget-PT2-300x67.png 300w, https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/2\/2025\/10\/Banniere-Bitget-PT2-768x171.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><strong>Sobre o mesmo assunto :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/bitcoin-e-criptomoedas-eventos-importantes-desta-semana\/\">Bitcoin e criptomoedas : Principais eventos a acompanhar esta semana<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/solana-acima-dos-200-e-ate-onde-pode-ir-esta-semana\/\">Solana ultrapassa os 200$ : At\u00e9 onde pode chegar esta semana ?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/investx.fr\/pt\/noticias-cripto\/altcoins-sinal-forte-antecipa-explosao-no-mercado-cripto\/\">Altcoins : Influenciador cripto revela o sinal que far\u00e1 tudo disparar<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Vitalik Buterin e Anatoly Yakovenko em confronto sobre a robustez das solu\u00e7\u00f5es Layer-2 da Ethereum. A disputa destaca desafios cr\u00edticos na escalabilidade blockchain.<\/p>\n","protected":false},"author":32,"featured_media":111833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":""},"categories":[45,6],"tags":[],"class_list":["post-111834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain-noticias","category-noticias-cripto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vitalik Buterin enfrenta fundador da Solana : Entenda o debate<\/title>\n<meta name=\"description\" content=\"Vitalik Buterin defende seguran\u00e7a da camada 2 da Ethereum contra cr\u00edticas de Yakovenko, num debate t\u00e9cnico agitado no ecossistema cripto.\" \/>\n<meta name=\"robots\" content=\"index, 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