Could I for example buy a ColdCard, keep the seed safe for 30 years. By then ColdCard is dead and not working. Can I use a different future wallet with the same seed to have access again? What if ColdCard goes out of business.
You could generate a seed phrase and an address with your computer using Electrum
https://electrum.org/#home
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That was my first wallet back in the day
Would this be considered a paper wallet?
In some ways yes, I guess
Play around with Electrum and familiarize yourself with it
You’ll learn a lot
Bookmarked. Added to my todo list for bitcoin related tasks to complete. 😄
