Casa
@CasaHODL
Casa helps you secure your bitcoin. For the long term.
Take self-custody of your BTC and other assets with an inheritance plan.
Support: help@team.casa
Joined October 2016
462 Following 47.7K Followers
Multi-vendor multisig means one bad key can't move funds on its own. Multisig alone does not repair a key with bad entropy.
If two of your three keys share the same entropy bug, they can share the same weakness.
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Bitcoin key generation depends on entropy: the randomness behind your seed.
When that randomness is weaker than expected, the seed is guessable no matter which device holds it or how long the phrase is.
July's Coldcard firmware disclosure made that concrete for a lot of bitcoiners. If you generated a seed on affected firmware and later moved it to a different wallet, the weakness moved with it.
Do you know where the randomness behind your seed came from?
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