Hello,
I created an electrum 2/3 multisig Wallet on an air-gapped device.
The three seeds are geographically distributed.
I want to verify that I have well written the three seeds.
I have to create a "fake" transaction on electrum then sign it with the first key then export the PSBT then sign it with the second seed ? What about the third seed to check it's correct ?
Is there any other solution to check I own the correct seeds ?
Make sure to back up your 3 xpubs as well. In case you lose one of your seeds, if you don't have all the 3 xpubs, you will not be able to recover your keys, even if 2 out of 3 seeds are needed to sign transactions.