Abracadoo / HumanKey
Acquaintance-first verification
Create a one-way HumanKey Acquaintance, share an Authenticator-compatible token, and verify the holder later by asking for their current code.
HK_TOTP_1Local vault
Encrypted vault
Active TOTP secrets are encrypted in local browser storage after unlock. Encrypted backups are passphrase-wrapped JSON.
Restoring an older encrypted backup may restore keys or records that were later deleted or forgotten locally.