There has been quite a lot of interesting developments in the world of unambiguous representation of data - mostly all kinds of addresses of network services.
We have URIs
ssh://user@example.com:22/
We have multiformats
/dns4/example.com/tcp/22/
This one - proquint, (2009) stands out, as it proposes a high-density data encoding for long numbers such as credit card numbers, memory or IP addresses:
127.0.0.1 lusab-babad
63.84.220.193 gutih-tugad
This 2020 publication looks at some of the past proposals, including proquint, for word-based encoding of long cryptographic keys and hashes.
https://www.cambridgeclarion.org/14.html
As in:
67B4 007A FFFD = walnut barley onion lizard fifty friday
We see a lot of similar schemes in the cryptocurrency walled, where they mostly originate from Bitcoin BIP-39 standard:
