Proofs are still stored on Keybase servers so if Keybase goes bust tomorrow it's all gone. For the record there is a way to encode Keybase-like proofs in plain

Proofs are still stored on Keybase servers so if Keybase goes bust tomorrow it's all gone. For the record there is a way to encode Keybase-like proofs in plain OpenPGP: https://tools.ietf.org/html/draft-vb-openpgp-linked-ids-01 https://tools.ietf.org/html/draft-vb-openpgp-linked-ids-01 for some reason Keybase decided to keep this validation centralized.