Secure your bitcoin.
The Punchplate III enables you to record one 24 word bitcoin recovery phrase(BIP39) as well as an 8 letter note, quickly and permanently with the provided marker and punch tool. Instructions include easy to follow illustrations.
A FREE punch tool and orange marker are included with every order!
Material: Stainless Steel
Dimensions: 3.4" x 1.7" x .071"
So how does it work?
The first 4 letters of each word are encoded in a clockwise pattern starting from the top triangle, one word per column. The words in the BIP39 word list are unique after 4 characters only requiring you to have the first 4 letters of each word to recover. The Punchplate III has an 8 character note section to help identify the card.