{"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-protocol-pickle-finance-cierpial-19m-hack-traci-wartosc","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/pl\/2020\/11\/22\/defi-protocol-pickle-finance-cierpial-19m-hack-traci-wartosc\/","title":{"rendered":"Protok\u00f3\u0142 DeFi Pickle Finance zosta\u0142 zhakowany $19.7M i straci\u0142 na warto\u015bci"},"content":{"rendered":"<p>Powinni\u015bmy przyzna\u0107, \u017ce ma\u0142y \u015bwiat DeFi jest do\u015b\u0107 dziki, a tu i \u00f3wdzie wci\u0105\u017c jest kilka oszustw i hack\u00f3w. Teraz z\u0142y obr\u00f3t jest dla Pickle Finance, platformy opartej na Ethereum do uprawy plon\u00f3w<strong> w\u0142a\u015bnie zosta\u0142 zhakowany, a 21 listopada zesz\u0142ego roku okradziono oko\u0142o 19,7 mln USD.<\/strong><\/p>\n\n\n\n<p>Tak narodzi\u0142a si\u0119 firma Pickle Finance <a href=\"https:\/\/alfacash.blog\/2020\/09\/22\/what-happened-september-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">ostatni wrzesie\u0144<\/a>, oferuj\u0105c swoim dostawcom p\u0142ynno\u015bci (farmerom plonowym) postawienie niekt\u00f3rych ETH i stablecoin\u00f3w, aby otrzyma\u0107 w nagrod\u0119 ich natywny token, PICKLE. Obiecany roczny zysk procentowy (APY) wzr\u00f3s\u0142 nawet do 1,432%, ale by\u0142oby to trudne z odkrytymi wadami.<\/p>\n\n\n\n<p>Wed\u0142ug <a href=\"https:\/\/picklefinance.medium.com\/pickle-was-hacked-and-there-has-been-a-loss-of-funds-414b99969c29\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">post na blogu<\/a> przez zesp\u00f3\u0142 Pickle Finance, kontraktem, kt\u00f3rego dotyczy problem, by\u0142 pDAI PickleJar, z kt\u00f3rego usuni\u0119to 19 759 355 DAI. Atak by\u0142 bardzo wyrafinowany i wykorzystany do pewnych b\u0142\u0119d\u00f3w projektowych, a zw\u0142aszcza do funkcji, kt\u00f3ra umo\u017cliwia bezpo\u015bredni\u0105 wymian\u0119 mi\u0119dzy s\u0142oikami (skarbcami).<\/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>Zaraz po ataku na <a href=\"https:\/\/alfacash.blog\/2020\/09\/09\/how-to-make-thousands-dollars-defi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Protok\u00f3\u0142 DeFi<\/a>, <strong>zesp\u00f3\u0142 po\u0142\u0105czy\u0142 si\u0142y z kilkoma hakerami z bia\u0142ych kapeluszy, aby rozwi\u0105za\u0107 spraw\u0119<\/strong>. Zaj\u0119\u0142o im d\u0142ugie godziny odkrycie i odtworzenie, jak dok\u0142adnie przeprowadzono atak, poniewa\u017c by\u0142 on bardzo z\u0142o\u017cony. O\u015bwiadczyli o tym:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u201ePierwszym krokiem by\u0142o przeprowadzenie in\u017cynierii wstecznej transakcji i sprawdzenie, czy uda nam si\u0119 napisa\u0107 kod replikuj\u0105cy atak. Po wielu godzinach zesp\u00f3\u0142 (obecnie licz\u0105cy obecnie ponad 10 os\u00f3b) w ko\u0144cu zorientowa\u0142 si\u0119, jak zosta\u0142 wykonany (\u2026) To by\u0142 bardzo skomplikowany atak i obejmowa\u0142 wiele element\u00f3w protoko\u0142u Pickle. Na razie nie wydaje si\u0119, aby jakiekolwiek inne fundusze by\u0142y zagro\u017cone \u201d.<\/p><\/blockquote>\n\n\n\n<p>Zespo\u0142owi uda\u0142o si\u0119 pomy\u015blnie za\u0142ata\u0107 luk\u0119. Jednak pytali <a href=\"https:\/\/alfacash.blog\/2020\/10\/07\/meet-best-performing-bold-platforms-yield-farming\/\" target=\"_blank\" rel=\"noreferrer noopener\">plon rolnik\u00f3w<\/a> wycofa\u0107 swoje \u015brodki z tego konkretnego s\u0142oika i zatrzyma\u0107 wp\u0142aty. Nie dotyczy\u0142o to innych s\u0142oik\u00f3w, wi\u0119c mo\u017cna ich bezpiecznie u\u017cywa\u0107.<\/p>\n\n\n\n<p>Pomimo wszystkich wysi\u0142k\u00f3w, <strong>Cena PICKLE ponios\u0142a konsekwencje, trac\u0105c oko\u0142o 65% swojej warto\u015bci<\/strong>. Od czasu incydentu troch\u0119 si\u0119 poprawi\u0142o, ale nadal jest poni\u017cej pierwotnej ceny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Wi\u0119cej hack\u00f3w<\/strong><\/h2>\n\n\n\n<p>Wcze\u015bniej protok\u00f3\u0142 po\u017cyczkowo-oszcz\u0119dno\u015bciowy DeFi Akropolis oparty na 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\">zosta\u0142 r\u00f3wnie\u017c zhakowany<\/a>. Atakuj\u0105cy wyprowadzi\u0142 2 mln USD w DAI ze swoich puli Ycurve i sUSD 12 listopada. Sta\u0142o si\u0119 to pomimo dw\u00f3ch audyt\u00f3w protoko\u0142u przeprowadzonych przez dwie r\u00f3\u017cne firmy. Najwyra\u017aniej haker znalaz\u0142 <a href=\"https:\/\/alfacash.blog\/2020\/10\/04\/malware-can-steal-cryptos-how-avoid-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">nie odkryte jeszcze exploity<\/a> w po\u017cyczkach b\u0142yskawicznych.<\/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>Obraz JohnArtsz z Pixabay<\/figcaption><\/figure><\/div>\n\n\n\n<p>Niestety, Pickle Finance i Akropolis nie s\u0105 same. <a href=\"https:\/\/alfacash.blog\/2020\/10\/29\/what-happened-october-in-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">Do ko\u0144ca pa\u017adziernika<\/a>, popularny Harvest Finance r\u00f3wnie\u017c zosta\u0142 zhakowany i tym razem z wy\u017csz\u0105 liczb\u0105: <strong>$24M zosta\u0142y wyprowadzone ze swoich skarbc\u00f3w USDC i USDT<\/strong>. Cena jego natywnego tokena, FARM, spad\u0142a o 62,2% i jeszcze si\u0119 nie poprawi\u0142a.<\/p>\n\n\n\n<p>Wygl\u0105da na to, \u017ce hacki DeFi staj\u0105 si\u0119 powszechne, szczeg\u00f3lnie w Ethereum. Ten blockchain <a href=\"https:\/\/alfacash.blog\/2020\/11\/14\/ethereum-2-new-features-prices-more-ethereum-chains\/\" target=\"_blank\" rel=\"noreferrer noopener\">jest w trakcie<\/a> zmieni\u0107 i ulepszy\u0107 ca\u0142y system, ale nadal b\u0119dziemy musieli poczeka\u0107 kilka lat, aby to zobaczy\u0107. &nbsp;&nbsp;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><em>Zdj\u0119cie wyr\u00f3\u017cnione autorstwa Andreasa G\u00f6llnera \/ Pixabay<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Chcesz handlowa\u0107 BTC, ETH i innymi tokenami? Mo\u017cesz to zrobi\u0107<\/em>\u00a0<em>bezpiecznie\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">na Alfacash<\/a>! I nie zapominaj, \u017ce rozmawiamy o tym i wielu innych rzeczach w naszych mediach spo\u0142eczno\u015bciowych.<br><br><\/em><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">\u015awiergot<\/a>\u00a0*\u00a0<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">Telegram<\/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>Po zaledwie dw\u00f3ch miesi\u0105cach zhakowano Pickle Finance, a $19.7M zosta\u0142 wyprowadzony z jego s\u0142oika DAI. Cena spad\u0142a i nie jest sama. <\/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\/pl\/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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