Willi’s Recovery Seed Plate can be purchased via bitcointalk.org. This is a very straightforward stainless steel plate measuring 100 x 100 x 4 millimeters. It’s quite hefty.

Willi claims the plate will protect your seed phrase from:

  • water
  • fire
  • corrosion
  • mechanical damage
  • other hazards


No problems to report here - very simple setup.

Heat Stress Test

Plenty of discoloration but no data loss.

Corrosion Stress Test

Some surface pitting, but fully legible data and template.

Crush Stress Test

No data loss, no surprises.