KEYSTONE

metal plates in the nature of safes for use in physical storage of information, namely, cryptocurrency passphrase seed storage system; Metal plates in the nature of safes for use in physical storage of information, namely, metal plates featuring fields for writing passphrase information; Metal boxes for storing physical plates displaying passcodes; Strongboxes for storing physical plates displaying passcodes

Recorded computer software for creating, authenticating, and authorizing digital and cryptographic signatures associated with cryptocurrency transactions; Security appliances, namely, computer hardware for delivering secure cryptocurrency payment transactions; cryptocurrency hardware wallet