{"id":4720,"date":"2020-11-22T23:24:31","date_gmt":"2020-11-22T20:24:31","guid":{"rendered":"https:\/\/alfacash.blog\/?p=4720"},"modified":"2024-02-19T21:52:50","modified_gmt":"2024-02-19T18:52:50","slug":"defi-protocollo-sottaceto-finanza-sofferto-19m-hack-perde-valore","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/it\/2020\/11\/22\/defi-protocollo-sottaceto-finanza-sofferto-19m-hack-perde-valore\/","title":{"rendered":"Il protocollo DeFi Pickle Finance ha subito un hack $19.7M e perde valore"},"content":{"rendered":"<p>Dovremmo ammettere che il piccolo mondo DeFi \u00e8 piuttosto selvaggio e ci sono ancora alcune truffe e hack qua e l\u00e0. Ora la svolta negativa \u00e8 per Pickle Finance, una piattaforma basata su Ethereum per l&#039;agricoltura di rendimento<strong> appena stato violato, con circa 19,7 milioni di dollari americani rubati lo scorso 21 novembre.<\/strong><\/p>\n\n\n\n<p>Nasce Pickle Finance <a href=\"https:\/\/alfacash.blog\/2020\/09\/22\/what-happened-september-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">lo scorso settembre<\/a>, offrendo ai suoi fornitori di liquidit\u00e0 (yield farmers) di puntare su ETH e stablecoin per ottenere il suo token nativo, il PICKLE, come ricompensa. Il rendimento percentuale annuo promesso (APY) \u00e8 salito addirittura a 1,432%, ma sarebbe difficile con i suoi difetti scoperti.<\/p>\n\n\n\n<p>Secondo <a href=\"https:\/\/picklefinance.medium.com\/pickle-was-hacked-and-there-has-been-a-loss-of-funds-414b99969c29\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">un post sul blog<\/a> dal team di Pickle Finance, il pDAI PickleJar era il contratto interessato, da cui sono stati prosciugati 19.759.355 DAI. L&#039;attacco era molto sofisticato e faceva leva su alcuni difetti di progettazione e soprattutto su una funzionalit\u00e0 che consente lo scambio diretto tra Jars (vault).<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"665\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg\" alt=\"\" class=\"wp-image-4234\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-300x195.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-150x97.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-270x175.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-770x500.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-782x508.jpg 782w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-793x515.jpg 793w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-370x240.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-554x360.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-306x199.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-260x169.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-87x56.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Subito dopo l&#039;attacco al <a href=\"https:\/\/alfacash.blog\/2020\/09\/09\/how-to-make-thousands-dollars-defi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Protocollo DeFi<\/a>, <strong>il team ha unito le forze con alcuni hacker dal cappello bianco per risolvere la questione<\/strong>. Ci sono volute molte ore per scoprire e replicare esattamente come \u00e8 stato effettuato l&#039;attacco perch\u00e9 era molto complesso. Hanno dichiarato al riguardo:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>&quot;Il primo passo \u00e8 stato decodificare la transazione e vedere se siamo in grado di scrivere il codice per replicare l&#039;attacco. Dopo molte ore, il team (che ora conta pi\u00f9 di 10 persone) ha finalmente capito come \u00e8 stato eseguito (\u2026) Questo \u00e8 stato un attacco molto complicato e ha coinvolto molti componenti del protocollo Pickle. Al momento, non sembra che altri fondi siano a rischio \u201d.<\/p><\/blockquote>\n\n\n\n<p>Il team \u00e8 riuscito a correggere con successo la vulnerabilit\u00e0. Tuttavia, stavano chiedendo al <a href=\"https:\/\/alfacash.blog\/2020\/10\/07\/meet-best-performing-bold-platforms-yield-farming\/\" target=\"_blank\" rel=\"noreferrer noopener\">resa agricoltori<\/a> ritirare i propri fondi da quello specifico Jar e interrompere anche i depositi. Gli altri vasi non sono stati interessati, quindi possono essere utilizzati in sicurezza.<\/p>\n\n\n\n<p>Nonostante tutti gli sforzi, <strong>Il prezzo di PICKLE ha subito le conseguenze perdendo circa 65% del suo valore<\/strong>. Dall&#039;incidente, si \u00e8 leggermente ripreso, ma \u00e8 ancora al di sotto del prezzo originale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Altri hack<\/strong><\/h2>\n\n\n\n<p>Prima di questo, il protocollo di prestito e risparmio DeFi Akropolis, basato su Ethereum, <a href=\"https:\/\/akropolis.substack.com\/p\/delphi-savings-pool-exploit?r=1qvfn&amp;utm_campaign=post&amp;utm_medium=web&amp;utm_source=copy\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u00e8 stato anche violato<\/a>. L&#039;attaccante ha sottratto 2 milioni di USD in DAI dai pool Ycurve e sUSD il 12 novembre. Ci\u00f2 \u00e8 avvenuto nonostante i due audit nel protocollo da parte di due diverse societ\u00e0. Apparentemente, l&#039;hacker ha trovato <a href=\"https:\/\/alfacash.blog\/2020\/10\/04\/malware-can-steal-cryptos-how-avoid-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">exploit non ancora scoperti<\/a> nei prestiti flash.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"797\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg\" alt=\"\" class=\"wp-image-4726\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-300x233.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-150x117.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-15x12.jpg 15w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-231x180.jpg 231w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-662x515.jpg 662w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-653x508.jpg 653w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-370x288.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-554x431.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-306x238.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-315x245.jpg 315w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-257x200.jpg 257w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-87x67.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Foto di JohnArtsz da Pixabay<\/figcaption><\/figure><\/div>\n\n\n\n<p>Purtroppo, Pickle Finance e Akropolis non sono soli. <a href=\"https:\/\/alfacash.blog\/2020\/10\/29\/what-happened-october-in-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">Entro la fine di ottobre<\/a>, anche il popolare Harvest Finance \u00e8 stato violato, e quella volta con una cifra pi\u00f9 alta: <strong>$24M sono stati sottratti ai depositi USDC e USDT<\/strong>. Il prezzo del suo token nativo, FARM, \u00e8 crollato di 62.2% e non si \u00e8 ancora ripreso.<\/p>\n\n\n\n<p>Sembra che gli hack DeFi stiano diventando all&#039;ordine del giorno, specialmente su Ethereum. Questa blockchain <a href=\"https:\/\/alfacash.blog\/2020\/11\/14\/ethereum-2-new-features-prices-more-ethereum-chains\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00e8 nel processo<\/a> per cambiare e migliorare il suo intero sistema, ma dovremo ancora aspettare alcuni anni per vederlo. &nbsp;&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><em>Immagine in primo piano di Andreas G\u00f6llner \/ Pixabay<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Vuoi scambiare BTC, ETH e altri token? Puoi farlo<\/em>\u00a0<em>in modo sicuro\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">su Alfacash<\/a>! E non dimenticare che stiamo parlando di questo e di molte altre cose sui nostri social media.<br><br><\/em><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>\u00a0*\u00a0<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">Telegramma<\/a>\u00a0*\u00a0<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>\u00a0*<a href=\"https:\/\/www.facebook.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>\u00a0\u00a0*\u00a0<a href=\"https:\/\/vk.com\/alfacashcrypto\" target=\"_blank\" rel=\"noreferrer noopener\">Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Dopo appena due mesi, Pickle Finance \u00e8 stato violato e $19.7M \u00e8 stato sottratto dal suo DAI Jar. Il prezzo \u00e8 sceso e non \u00e8 solo. <\/p>","protected":false},"author":5,"featured_media":4724,"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":[47],"tags":[84,107,186,69,93,123],"class_list":{"0":"post-4720","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-market-trends-alfacash","8":"tag-defi","9":"tag-ethereum","10":"tag-hack","11":"tag-prices","12":"tag-tokens","13":"tag-yield-farming"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/pickled-gherkin-4757080_1280-scaled.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/it\/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>DeFi protocol Pickle Finance suffered a $19.7M hack and loses value - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"After barely two months around, Pickle Finance was hacked, and $19.7M was siphoned from its DAI Jar. 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