If I use one seed across multiple chains, does compromising it expose every account derived from it?

Potentially yes. If wallets on several chains derive their private keys from the same underlying recovery seed, theft of that seed can expose each compatible account, even if the assets are on separate networks.

The answer

Potentially yes. If wallets on several chains derive their private keys from the same underlying recovery seed, theft of that seed can expose each compatible account, even if the assets are on separate networks.

What to do next

Treat a compromised multi-chain seed as an incident affecting all derived accounts and migrate supported assets to independently generated secure backups.

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Trezor hardware wallet

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Frequently asked questions

Does every network use identical derivation paths?

No. Separate chains and wallet software can use different derivation standards and account indexes.

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