{"id":92528,"date":"2026-07-20T15:46:09","date_gmt":"2026-07-20T15:46:09","guid":{"rendered":"https:\/\/www.europesays.com\/korea\/92528\/"},"modified":"2026-07-20T15:46:09","modified_gmt":"2026-07-20T15:46:09","slug":"metamask-hired-suspected-north-korean-dev-flagged-months-earlier-2","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/korea\/92528\/","title":{"rendered":"MetaMask hired suspected North Korean dev flagged months earlier"},"content":{"rendered":"<p>A North Korean dev and suspected mole who worked on MetaMask\u2019s core wallet code for a whole month was reportedly flagged by a Lazarus Group security page almost a year ago.<\/p>\n<p>The developer was reportedly hired by MetaMask\u2019s parent firm, Consensys, as a consultant while posing under the alias \u201cTyler Knapp.\u201d He <a href=\"https:\/\/www.dropsitenews.com\/p\/consensys-metamask-crypto-wallet-hired-north-korean-hacker\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">reportedly<\/a> made GitHub contributions to MetaMask\u2019s wallet until he was ousted by the company in April.\u00a0<\/p>\n<p>However, DeFi security analyst Zun <a href=\"https:\/\/x.com\/Zun2025\/status\/2078832571765665910?s=20\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">claims<\/a> that Knapp had already been flagged on a public Lazarus Group operative tracking site back in September 2025.\u00a0<\/p>\n<p>The <a href=\"https:\/\/www.lazarus.group\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">page<\/a>, <a href=\"https:\/\/securityalliance.org\/our-work\/lazarus-group\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">run<\/a> by the Security Alliance, creates profiles for known remote Democratic People\u2019s Republic of Korea (DPRK) IT workers in the hopes that it will help companies to identify them before they\u2019re hired.\u00a0<\/p>\n<p><a href=\"https:\/\/protos-media.s3.eu-west-2.amazonaws.com\/wp-content\/uploads\/2026\/07\/20120725\/Screenshot-2026-07-20-at-12.06.51.png\" data-lbwps-width=\"2331\" data-lbwps-height=\"1115\" data-lbwps-srcsmall=\"https:\/\/protos-media.s3.eu-west-2.amazonaws.com\/wp-content\/uploads\/2026\/07\/20120725\/Screenshot-2026-07-20-at-12.06.51.png\" rel=\"nofollow noopener\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"490\" src=\"https:\/\/www.europesays.com\/korea\/wp-content\/uploads\/2026\/07\/1784562369_200_Screenshot-2026-07-20-at-12.06.51-1024x490.png\" alt=\"\" class=\"wp-image-129257\"  \/><\/a>MetaMask\u2019s North Korean developer is listed on the Lazarus Group site.<\/p>\n<p>Read more: <a href=\"https:\/\/protos.com\/crypto-has-become-kim-jong-uns-lifeline-and-russias-secret-weapon\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Crypto has become Kim Jong-Un\u2019s lifeline \u2014 and Russia\u2019s secret weapon<\/a><\/p>\n<p>On the Lazarus Group site, Knapp <a href=\"https:\/\/www.lazarus.group\/team\/mauro-liu\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">appears<\/a> under the name \u201cMauro Liu.\u201d He also appears to have worked for Web3 game firm MagicCraft in 2022, and DeFi product firm Napier Finance in 2023.\u00a0<\/p>\n<p>His other listed firms include Ankr, Pickle Finance, Harmoney, Gamerse, Clover Network, DEPO, Sifu Vision, Oxytocin, Tomodachi, and Blueberry.\u00a0<\/p>\n<p>He\u2019s linked to MetaMask through the GitHub username \u201cimyugioh.\u201d\u00a0<\/p>\n<p>Zun claims MetaMask hired him as a developer without a \u201cproper background check that would have caught him.\u201d<\/p>\n<p>Consensys says North Korea dev didn\u2019t steal any assets<\/p>\n<p>DropSite <a href=\"https:\/\/www.dropsitenews.com\/p\/consensys-metamask-crypto-wallet-hired-north-korean-hacker\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">reports<\/a>, based on internal Slack messages, that Knapp was also contributing to code involving the conversion of crypto and fiat currency by third-party payment firms.<\/p>\n<p>Consensys\u2019s General Counsel, Matt Corva, told DropSite, that Knapp \u201cwas introduced to us through an existing relationship with a reputable third-party service provider.\u201d<\/p>\n<p>They said, \u201cVery quickly after being introduced, we discovered the threat, followed our security protocols, immediately terminated any access and launched a comprehensive investigation that confirmed there was no misappropriation of assets or data, no malicious code deployed, and no impact to user safety and security.\u201d<\/p>\n<p>Last April, a North Korean mole called \u201cMoo\u201d was <a href=\"https:\/\/protos-media.s3.eu-west-2.amazonaws.com\/wp-content\/uploads\/2026\/04\/07181408\/Protos-Artwork-SolanaNK.jpg\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" data-lbwps-width=\"1920\" data-lbwps-height=\"1080\" data-lbwps-srcsmall=\"https:\/\/protos-media.s3.eu-west-2.amazonaws.com\/wp-content\/uploads\/2026\/04\/07181408\/Protos-Artwork-SolanaNK.jpg\">named<\/a> by crypto sleuth ZachXBT and was fired from Solana-based DEX Stabble.\u00a0<\/p>\n<p>The firm subsequently encouraged all of its users to withdraw all their funds.\u00a0<\/p>\n<p>Moo, real name Keisuke Watanabe, was, by its own admission, employed by Stabble for a whole year.\u00a0<\/p>\n<p>Got a tip? Send us an email securely via\u00a0<a href=\"https:\/\/leaks.protos.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Protos Leaks<\/a>. For more informed news and investigations, follow us on\u00a0<a href=\"https:\/\/twitter.com\/protos\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">X<\/a>,\u00a0<a href=\"https:\/\/bsky.app\/profile\/protos.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Bluesky<\/a>, and\u00a0<a href=\"https:\/\/news.google.com\/publications\/CAAqJAgKIh5DQklTRUFnTWFnd0tDbkJ5YjNSdmN5NWpiMjBvQUFQAQ\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Google News<\/a>, or subscribe to our\u00a0<a href=\"https:\/\/youtube.com\/protosmedia\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">YouTube<\/a>\u00a0channel.<\/p>\n<p>\t\t\t<script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"A North Korean dev and suspected mole who worked on MetaMask\u2019s core wallet code for a whole month&hellip;\n","protected":false},"author":2,"featured_media":92529,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[48014,2339,31,48015,34],"class_list":["post-92528","post","type-post","status-publish","format-standard","has-post-thumbnail","category-north-korea","tag-consensys","tag-dprk","tag-korea","tag-metamask","tag-north-korea"],"_links":{"self":[{"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/posts\/92528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/comments?post=92528"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/posts\/92528\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/media\/92529"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/media?parent=92528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/categories?post=92528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/korea\/wp-json\/wp\/v2\/tags?post=92528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}