# Consensys Says North Korea-Linked Developer Worked on MetaMask Core Code for About a Month

A contractor using the alias "Tyler Knapp" entered through a third-party provider and touched code supporting crypto-to-fiat conversions before access was revoked, with no funds or data reported lost.

- Published: 2026-07-21T05:29:38.700Z
- Canonical: https://polylog.news/crypto/2026-07-21/consensys-says-north-korea-linked-developer-worked-on-metama
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Polylog editors](https://polylog.news), [Crypto Briefing](https://cryptobriefing.com/consensys-north-korean-developer-metamask/)

Consensys, the company behind the MetaMask wallet, disclosed that a developer linked to North Korea worked on MetaMask code for about a month before being identified. The contractor operated under the false identity "Tyler Knapp," used the…

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