パスワード的文字列を保管できるセキュリティキーがあると読んで見に行ったら蓮の花集合体恐怖症にはちょっとだけ厳しかった
Are there keys to store a bunch of strings
https://www.reddit.com/r/yubikey/comments/1ftpbje/are_there_keys_to_store_a_bunch_of_strings/
OnlyKeyOnlyKey Hardware Password Manager | One PIN to rememberThe only device that works everywhere to secure accounts, email, and communication online. Strong two-factor authentication and professional grade encryption. Use it to log into any device, application, or unlock encrypted drives.