0 sats \ 0 replies \ @siggy47 31 Jan 2023 \ on: Metal seed phrase backup bitcoin
I can tell you that a friend of mine bought metal plates from a manufacturer I can't recall now. They were the type that uses a metal punch to mark individual letters. He discovered that the ink used to mark the squares and letters began wearing off before he had even finished punching out his seed words.
Caveat emptor