Coldcard Mk4 v5.2.0: Seed Vault, PSBTv2 & More

"Seed Vault enables storage of multiple secrets into the COLDCARD’s encrypted settings for easy recall and later use. They are encrypted with a key based on your seed (using AES-256-CTR), but are not themselves stored in the Secure Elements."

https://www.nobsbitcoin.com/coldcard-mk-v5-2-0/