Steelwallet can be purchased at blockark.de. This is the same center punch style as Blockplate but slightly smaller and a fraction of a millimeter thicker. Appears to be by the Shift Crypto team, creators of the BitBox hardware wallet. Claims to protect “against fire, water, electrical-shocks, corrosion and pretty much any obstacles nature throws at it.”
Setup
Using the center punch went smoothly and quickly.
Heat Stress Test
Same as blockplate — highly readable.
Corrosion Stress Test
No data loss.
Crush Stress Test
No data loss.
