https://keyoxide.org/
Is all the best ideas of keybase. Basically if you trust someone has control over multiple different accounts you can also trust their pgp key.
https://news.ycombinator.com/item?id=26758099 ; blockcerts.org, blockcerts-verifier-js, ILP ledger addresses
> Holder, Issuer, Subject, Verifier, Verifiable Data Registry
https://news.ycombinator.com/item?id=26758099 ; blockcerts.org, blockcerts-verifier-js, ILP ledger addresses