Electronic cold storage meets secure printing.
they have combined currency-grade printing with secure NFC chips to create the easiest to use cold storage product.
The #Bitcoin #Note uses a multisig that combines a local encrypted key with a private key that you generate. The stored Bitcoin is only claimable when the holder cuts the note.
If you receive a note that you want to keep in cold storage, you can re-key it from entropy you generate. After expiration only the locally stored user generated private key can access the funds.
