Stratum V2 is a standardized protocol for pooled mining. It reduces the size and frequency of data transfers and prevents hashrate hijacking by encrypting communication channels between pools and proxies/miners. Finally, it in...

Stratum V2 documentation can be found at stratumprotocol.org. Meanwhile, a simulation and proxy can be found on github.

Stratum V2 data transfers are 2-3 times more efficient than V1, decreasing data loads for miners and pools. V2 also eliminates the incentive for empty block mining. Authenticated encryption with associated data (AEAD) is used ...

You can follow our guide to connect to the nearest Stratum V2 endpoint.

Yes, Stratum V2 is free and open-source.

You can find a 1:1 Stratum V2 -> Stratum V1 translation proxy here.