Blockchain Commons is using v3 tor authentication for remote clients controlling a full node created using our Bitcoin Standup project (currently only macOS but more platforms coming): https://github.com/BlockchainCommons/Bitcoin-Standup

Docs at:

https://github.com/BlockchainCommons/Bitcoin-Standup#tor-v3-authentication-using-standup-and-fullynoded

Video demonstrating securing remote connection of a full node to the iOS wallet Fully Noded: https://youtu.be/pSm2VftTCBI

More details on v3 authentication at:

https://github.com/AnarchoTechNYC/meta/wiki/Connecting-to-an-authenticated-Onion-service#connecting-to-authenticated-version-3-onion-services

— Christopher Allen