July 31, 2026·Bearish·critical issue

Coldcard Warns: Cross-Chain Seed Imports Compromised

Coldcard has issued a security warning that seeds generated on its devices and imported into other blockchain wallets, such as Ethereum, should be considered compromised. Users are urged to move funds immediately. The exact affected device versions are still being determined.

Detected & updated continuously · Source: Nebula

Mentioned

@COLDCARDwallet

Sources

@BTChip

PSA if you generated a seed on Coldcard and imported it elsewhere to use with another blockchain (such as ETH) consider it compromised and move your funds asap. Exact versions/devices are still being investigated but better safe than rekt