Setup:
- Sparrow as the wallet organizer (unsure of technical term)
- ColdCard as signer 1 (using updated firmware and software generated seed)
- BitBox signing device as signer 2 with software generated seed
- Both keys use a 13th word (passphrase)
- Descriptor string stored securely separate from keys
- Backup seed phrases stored securely separately
- Both devices require a password (separete from passphrase) to unlock
What I am mostly conerned with is if 1 device gets comprimised in the same way the bugged ColdCards did, I would still be able to spend from the multi-sig wallet correct?
Even if BOTH devices were compromized but my passphrase was unknown to the atacker, i would STILL be able to spend from the multi-sig correct?
This feels like a pretty solid set up, I have gotten here since barely avoiding the Coldcard attack recently. I still think the Colcard device is a good device so I don't really want to get rid of it, but adding an additional device to the mix seems like a good solution.
Thoughts?
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