{"id":32313,"date":"2026-08-14T17:47:19","date_gmt":"2026-08-14T17:47:19","guid":{"rendered":"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/"},"modified":"2026-08-14T17:47:21","modified_gmt":"2026-08-14T17:47:21","slug":"adam-back-giro-post-cuantico-ethereum","status":"publish","type":"post","link":"https:\/\/investx.fr\/es\/noticias-cripto\/adam-back-giro-post-cuantico-ethereum\/","title":{"rendered":"Adam Back respalda el giro post-cu\u00e1ntico de Ethereum: una revoluci\u00f3n criptogr\u00e1fica sin precedentes"},"content":{"rendered":"\n<p><strong>Adam Back<\/strong>, una de las figuras m\u00e1s respetadas de la historia del <strong>Bitcoin<\/strong>, acaba de expresar su apoyo p\u00fablico a una decisi\u00f3n trascendental de <strong>Ethereum<\/strong>. Una se\u00f1al de peso que no ha pasado desapercibida en la comunidad cripto.<\/p>\n\n\n\n<p><strong>Ethereum<\/strong> abandona sus funciones de hash <strong>Poseidon<\/strong> personalizadas en favor de est\u00e1ndares criptogr\u00e1ficos consolidados \u2014 una transici\u00f3n directamente vinculada a la <strong>amenaza cu\u00e1ntica<\/strong>. Y cuando Back da su visto bueno, el mundo cripto presta atenci\u00f3n.<\/p>\n\n\n\n<p>Detr\u00e1s de este cambio t\u00e9cnico se esconde un reto fundamental: la <strong>resistencia a largo plazo de las blockchains<\/strong> frente a los <strong>ordenadores cu\u00e1nticos<\/strong>. He aqu\u00ed por qu\u00e9 esta decisi\u00f3n podr\u00eda redefinir los est\u00e1ndares de seguridad de toda la industria.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"por-que-adam-back-inventor-de-hashcash-tiene-tanto-peso-en-este-debate\">Por qu\u00e9 Adam Back, inventor de Hashcash, tiene tanto peso en este debate<\/h2>\n\n\n\n<p><strong>Adam Back<\/strong> no es un comentarista cualquiera. <strong>Inventor de Hashcash en 1997<\/strong> \u2014 el mecanismo de <strong><a href=\"https:\/\/investx.fr\/es\/aprender-criptomonedas\/blockchain\/pow-vs-pos\/\">prueba de trabajo<\/a><\/strong> que inspir\u00f3 directamente el sistema de miner\u00eda de <strong><a href=\"https:\/\/investx.fr\/es\/aprender-criptomonedas\/cripto\/bitcoin\/\">Bitcoin<\/a><\/strong> \u2014 es una de las escasas personalidades citadas en el whitepaper original de <strong>Satoshi Nakamoto<\/strong>. Actualmente CEO de <strong>Blockstream<\/strong>, sigue siendo una referencia absoluta en materia de <strong>criptograf\u00eda<\/strong> aplicada a los sistemas descentralizados.<\/p>\n\n\n\n<p>Su aprobaci\u00f3n del giro criptogr\u00e1fico de <strong>Ethereum<\/strong> est\u00e1, por tanto, lejos de ser trivial. <strong>Back<\/strong> ha elogiado p\u00fablicamente la decisi\u00f3n de la comunidad <strong>Ethereum<\/strong> de abandonar las funciones de hash <strong>Poseidon<\/strong> \u2014 concebidas inicialmente para optimizar las <strong>pruebas de conocimiento cero (ZK-proofs)<\/strong> \u2014 en favor de <strong>primitivas criptogr\u00e1ficas estandarizadas<\/strong> y mejor auditadas. Para un cypherpunk de su talla, la robustez criptogr\u00e1fica siempre prevalece sobre la optimizaci\u00f3n a corto plazo.<\/p>\n\n\n\n<p>Este respaldo entre comunidades es poco habitual. En un ecosistema donde <strong><a href=\"https:\/\/investx.fr\/es\/aprender-criptomonedas\/cripto\/bitcoin\/\">Bitcoin<\/a><\/strong> y <strong><a href=\"https:\/\/investx.fr\/es\/aprender-criptomonedas\/cripto\/ethereum\/\">Ethereum<\/a><\/strong> se enfrentan con frecuencia en cuestiones de filosof\u00eda y dise\u00f1o, ver a una figura tan emblem\u00e1tica del campo <strong>Bitcoin<\/strong> validar una decisi\u00f3n t\u00e9cnica de <strong>Ethereum<\/strong> constituye una se\u00f1al de madurez para el conjunto del sector.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"poseidon-abandonado-entendiendo-el-giro-criptografico-de-ethereum\">Poseidon abandonado: entendiendo el giro criptogr\u00e1fico de Ethereum<\/h2>\n\n\n\n<p>Las funciones de hash <strong>Poseidon<\/strong> hab\u00edan sido adoptadas por <strong>Ethereum<\/strong> por su eficiencia en los circuitos <strong>ZK<\/strong> \u2014 permit\u00edan generar pruebas criptogr\u00e1ficas con mayor rapidez y a menor coste. Sin embargo, su relativa juventud y su dise\u00f1o a medida planteaban un problema fundamental: <strong>un historial de auditor\u00edas insuficiente<\/strong> frente a adversarios con capacidad de c\u00f3mputo cu\u00e1ntico.<\/p>\n\n\n\n<p>La decisi\u00f3n de migrar hacia <strong>est\u00e1ndares criptogr\u00e1ficos consolidados<\/strong> \u2014 validados por a\u00f1os de investigaci\u00f3n acad\u00e9mica y auditor\u00edas independientes \u2014 responde a una l\u00f3gica de <strong>seguridad a largo plazo<\/strong>. Los <strong>ordenadores cu\u00e1nticos<\/strong>, aunque a\u00fan lejos de representar una amenaza operativa inmediata, avanzan a un ritmo que obliga a los protocolos a anticiparse desde ahora. El <strong>NIST (National Institute of Standards and Technology)<\/strong> finaliz\u00f3 en 2024 sus primeros <strong>est\u00e1ndares de criptograf\u00eda post-cu\u00e1ntica<\/strong>, acelerando la toma de conciencia en la industria.<\/p>\n\n\n\n<p>Para <strong>Ethereum<\/strong>, este cambio implica concesiones: las pruebas <strong>ZK<\/strong> podr\u00edan volverse temporalmente m\u00e1s costosas de generar. Pero la comunidad ha optado claramente por la <strong>resiliencia<\/strong> frente al rendimiento \u2014 un arbitraje que <strong>Back<\/strong>, como cript\u00f3grafo experimentado, considera manifiestamente acertado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"la-amenaza-cuantica-un-riesgo-sistemico-que-la-cripto-ya-no-puede-ignorar\">La amenaza cu\u00e1ntica: un riesgo sist\u00e9mico que la cripto ya no puede ignorar<\/h2>\n\n\n\n<p>La cuesti\u00f3n <strong>post-cu\u00e1ntica<\/strong> ha dejado de ser te\u00f3rica. <strong>Google, IBM y varios actores estatales<\/strong> invierten de forma masiva en el desarrollo de <strong>ordenadores cu\u00e1nticos<\/strong> capaces, a largo plazo, de romper los <strong>algoritmos de cifrado<\/strong> actuales \u2014 en particular las <strong><a href=\"https:\/\/investx.fr\/es\/aprender-criptomonedas\/blockchain\/\">curvas el\u00edpticas<\/a><\/strong> sobre las que se apoyan <strong>Bitcoin<\/strong> y <strong>Ethereum<\/strong> para proteger las <strong>firmas de transacciones<\/strong>.<\/p>\n\n\n\n<p>Un <strong>ordenador cu\u00e1ntico<\/strong> suficientemente potente podr\u00eda, en teor\u00eda, derivar una <strong>clave privada<\/strong> a partir de una <strong>clave p\u00fablica<\/strong> expuesta, comprometiendo miles de millones de d\u00f3lares en activos. Las direcciones reutilizadas o los fondos inactivos desde hace a\u00f1os ser\u00edan especialmente vulnerables. Es precisamente por ello que la migraci\u00f3n de <strong>Ethereum<\/strong> hacia <strong>primitivas post-cu\u00e1nticas<\/strong> se percibe como una decisi\u00f3n estrat\u00e9gica, y no como un mero ajuste t\u00e9cnico.<\/p>\n\n\n\n<p>El hecho de que una figura como <strong>Adam Back<\/strong> \u2014 cuya credibilidad se sustenta en d\u00e9cadas de trabajo criptogr\u00e1fico riguroso \u2014 valide p\u00fablicamente esta direcci\u00f3n lanza un mensaje claro a toda la industria: <strong>la resistencia cu\u00e1ntica ya no es una opci\u00f3n, es una necesidad<\/strong>. Otros protocolos, incluido el propio <strong>Bitcoin<\/strong>, deber\u00e1n tarde o temprano abordar una reflexi\u00f3n similar.<\/p>\n\n\n\n<div class=\"related-articles\">\n\n\n\n<h3 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"articulos-relacionados\">Art\u00edculos relacionados :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/investx.fr\/es\/noticias-cripto\/fondo-soberano-noruego-record-exposicion-bitcoin\/\">El fondo soberano noruego pulveriza su r\u00e9cord de exposici\u00f3n indirecta al Bitcoin<\/a><\/li>\n<li><a href=\"https:\/\/investx.fr\/es\/noticias-cripto\/bitcoin-roi-365-dias-territorio-negativo\/\">Bitcoin entra oficialmente en n\u00fameros rojos: el ROI a 365 d\u00edas cae en territorio negativo<\/a><\/li>\n<li><a href=\"https:\/\/investx.fr\/es\/noticias-cripto\/solana-alpenglow-finalidad-transacciones-150-ms\/\">Solana: la actualizaci\u00f3n Alpenglow reducir\u00e1 el tiempo de finalidad a 150 ms<\/a><\/li>\n<\/ul>\n\n\n\n<\/div>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Organization\", \"@id\": \"https:\/\/investx.fr#organization\", \"name\": \"InvestX\", \"url\": \"https:\/\/investx.fr\", \"logo\": {\"@type\": \"ImageObject\", \"@id\": \"https:\/\/investx.fr#logo\", \"url\": \"https:\/\/media.investx.fr\/wp-content\/uploads\/sites\/4\/logo.png\", \"width\": 600, \"height\": 60, \"caption\": \"InvestX\"}, \"sameAs\": [\"https:\/\/twitter.com\/investx_fr\", \"https:\/\/www.linkedin.com\/company\/investx\", \"https:\/\/t.me\/investxpro\"], \"description\": \"M\u00e9dia francophone de r\u00e9f\u00e9rence sur les cryptomonnaies, le trading et la finance digitale.\"}, {\"@type\": \"WebSite\", \"@id\": \"https:\/\/investx.fr#website\", \"url\": \"https:\/\/investx.fr\", \"name\": \"InvestX\", \"publisher\": {\"@id\": \"https:\/\/investx.fr#organization\"}, \"potentialAction\": {\"@type\": \"SearchAction\", \"target\": \"https:\/\/investx.fr\/?s={search_term_string}\", \"query-input\": \"required name=search_term_string\"}}, {\"@type\": \"WebPage\", \"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#webpage\", \"url\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/\", \"name\": \"Adam Back respalda el giro post-cu\u00e1ntico de Ethereum: una revoluci\u00f3n criptogr\u00e1fica sin precedentes\", \"description\": \"\", \"inLanguage\": \"es\", \"isPartOf\": {\"@id\": \"https:\/\/investx.fr#website\"}, \"breadcrumb\": {\"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#breadcrumb\"}, \"primaryImageOfPage\": {\"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#primaryimage\"}}, {\"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/investx.fr\/es\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Actualit\u00e9 Crypto\", \"item\": \"https:\/\/investx.fr\/es\/category\/actu-crypto\/\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Adam Back respalda el giro post-cu\u00e1ntico de Ethereum: una revoluci\u00f3n criptogr\u00e1fica sin precedentes\"}], \"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#breadcrumb\"}, {\"@type\": \"Person\", \"@id\": \"https:\/\/investx.fr\/auteurs\/lea#person\", \"name\": \"L\u00e9a\", \"url\": \"https:\/\/investx.fr\/auteurs\/lea\", \"worksFor\": {\"@type\": \"Organization\", \"name\": \"InvestX\", \"url\": \"https:\/\/investx.fr\"}}, {\"@type\": \"NewsArticle\", \"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#article\", \"isPartOf\": {\"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#webpage\"}, \"mainEntityOfPage\": {\"@id\": \"https:\/\/investx.fr\/es\/2026\/08\/14\/adam-back-giro-post-cuantico-ethereum\/#webpage\"}, \"headline\": \"Adam Back respalda el giro post-cu\u00e1ntico de Ethereum: una revoluci\u00f3n criptogr\u00e1fica sin precedentes\", \"description\": \"\", \"articleBody\": \"Adam Back respalda el giro post-cu\u00e1ntico de Ethereum: una revoluci\u00f3n criptogr\u00e1fica sin precedentes\\n\\nAdam Back, una de las figuras m\u00e1s respetadas de la historia del Bitcoin, acaba de expresar su apoyo p\u00fablico a una decisi\u00f3n trascendental de Ethereum. Una se\u00f1al de peso que no ha pasado desapercibida en la comunidad cripto.\\n\\nEthereum abandona sus funciones de hash Poseidon personalizadas en favor de est\u00e1ndares criptogr\u00e1ficos consolidados \u2014 una transici\u00f3n directamente vinculada a la amenaza cu\u00e1ntica\", \"wordCount\": 689, \"inLanguage\": \"es\", \"datePublished\": \"2026-08-14T17:47:21.314770Z\", \"dateModified\": \"2026-08-14T17:47:21.314770Z\", \"articleSection\": \"Actualit\u00e9 Crypto\", \"publisher\": {\"@id\": \"https:\/\/investx.fr#organization\"}, \"author\": {\"@id\": \"https:\/\/investx.fr\/auteurs\/lea#person\"}, \"about\": [{\"@type\": \"Thing\", \"name\": \"Bitcoin\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q131723\"}, {\"@type\": \"Thing\", \"name\": \"Ethereum\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q15765156\"}, {\"@type\": \"Thing\", \"name\": \"Blockchain\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q20514253\"}, {\"@type\": \"Thing\", \"name\": \"Defi\", \"sameAs\": \"https:\/\/www.wikidata.org\/wiki\/Q86697873\"}], \"isAccessibleForFree\": true}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Adam Back, inventor de Hashcash, respalda p\u00fablicamente el cambio criptogr\u00e1fico de Ethereum frente a la amenaza cu\u00e1ntica. Una se\u00f1al hist\u00f3rica para toda la industria.<\/p>\n","protected":false},"author":4,"featured_media":30552,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","faq_titre":"","questions_frequentes":"","custom_permalink":"noticias-cripto\/adam-back-giro-post-cuantico-ethereum"},"categories":[14,10],"tags":[],"class_list":["post-32313","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum","category-noticias-cripto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Adam Back aprueba el giro post-cu\u00e1ntico de Ethereum<\/title>\n<meta name=\"description\" content=\"Adam Back, inventor de Hashcash, respalda p\u00fablicamente el cambio criptogr\u00e1fico de Ethereum frente a la amenaza cu\u00e1ntica. 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