I like the approach. Learn the basics, get comfortable, and then you can decide what hardware to include in your quorum. I personally would never let a device provide me with a key -- my preferred method is to select the seed words at random and then use a tool to calculate the final checksum word.
I wanna level up my BTC security by going multi-sig and giving a bunch of keys (probably in the form of steel seedQRs) to my family members. My plan for getting comfortable with multisig is to use a single SeedSigner and have 3 private keys put onto a paper seedQR, and have xpubs (I’m aware that you need to safeguard all m xpubs) in some other form (also QR?). I’m going to test 2 or 3 multisig on testnet via Sparrow. While this will teach me the mechanisms of sending and receiving with multisig it might not be what I necessarily go with. To elaborate: I understand that not trusting a single manufacturer is recommended for your setup.
1. For my real life setup should I generate private keys + xpubs with other devices like Coldcard, Fountain Passport, etc?
2. Should I not have n (n of m multisig) keys generated from devices by the same manufacturer?
3. How does my learning approach sound?
nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 nostr:npub1rxysxnjkhrmqd3ey73dp9n5y5yvyzcs64acc9g0k2epcpwwyya4spvhnp8 nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl
Discussion
Can you use a single seedQR with multiple multisig quorums without giving up privacy? I guess the basic question here is: can you generate multiple xpubs from a single seed?