Cryptocurrency-seed break card vault

Made a simple break-card to store your crypto-wallet 12/24 word seed. Design is based on the "launch code verification break cards" supposedly used in nuclear launch bunkers. Designed to fit with the empty spreadsheet card that comes with the Ledger Nano S hardware wallet.

Instructions:
Wrap the card you're planning to put inside in aluminum foil. This will prevent anyone from using a light source to look through it. It will also make it extremely hard to obtain the inside information usin