Consensys halts releases North Korean-linked consultant

Consensys, the blockchain software company behind the widely used MetaMask crypto wallet, temporarily halted product releases after discovering a consultant working under a false identity had ties to North Korea and had accessed its systems for approximately one month. The company's investigation concluded that no user assets, data, or security were compromised.

The individual, who used the alias Tyler Knapp and the GitHub handle "imyugioh," was introduced to Consensys through an established third-party service provider and worked as a consultant, not a direct employee. According to public GitHub records and internal communications, the consultant contributed code to core MetaMask platform features, including sections handling connections to third-party fiat payment providers, between March 9 and April 2026. Upon discovering the threat, Consensys immediately terminated the individual's access, suspended all product releases, and launched an investigation.

Matt Corva, general counsel for Consensys, stated that the company's security protocols quickly identified the threat. He confirmed the investigation found no evidence of misappropriated assets or data, no deployment of...