Key Path — Trezor Forbidden

Last updated: March 2025 – reflects Trezor firmware v24.08+ and Trezor Suite v24.x.

The "Forbidden Key Path" error typically arises when third-party wallet interfaces—such as Electrum, Exodus, or Mycelium—attempt to access cryptocurrency addresses using non-standard derivation paths. For example, an early version of a multi-asset wallet might attempt to use a Bitcoin path for a new altcoin, or use a "raw" path that doesn't adhere to BIP-44 standards. trezor forbidden key path

For power users, the solution is to run a secondary software wallet (e.g., Electrum or Sparrow) connected to your Trezor but limited to non-critical funds when experimenting with exotic paths. Last updated: March 2025 – reflects Trezor firmware v24

None of the above. You’ve just encountered one of Trezor’s most misunderstood but essential security features: the mechanism. trezor forbidden key path