you can stamp numbers too you know.. the real problem is that some pros warned about is cold welding. every method has its own cons
Discussion
Stamped on a sheet of metal is probably best IMO
Lots of creative ways to store a seed phrase though
I’m telling ya. , just tattoo them backwards on your butt in white ink, so they can only be read under a black light in the mirror
To avoid cold welding just lube the washers