I see this around the crypto world a lot lately (notably for Substrate/Polkadot addresses): base58 https://tools.ietf.org/id/draft-msporny-base58-01.html https:

I see this around the crypto world a lot lately (notably for Substrate/Polkadot addresses): base58 https://tools.ietf.org/id/draft-msporny-base58-01.html https://tools.ietf.org/id/draft-msporny-base58-01.html Seems to have the same idea of "human-read-write without visually identical characters" but with an expanded set for shorter string length.