So HolePunch is the company that is building this. I was scratching my head about why Tether would have it under their brand. If it was developed by Tether, looks like they are spinning it out to be its own company now -- HolePunch. That's good to see.
To be honest I was expecting a write-up and a code repository with an integration guide, but will listen to this one.
This tells about as much as they've shared, at least publicly:
P2P Node.js Engineer (Remote)
https://holepunch.recruitee.com/o/p2p-nodejs-engineer-remote
So HolePunch is the company that is building this. I was scratching my head about why Tether would have it under their brand. If it was developed by Tether, looks like they are spinning it out to be its own company now -- HolePunch. That's good to see.