When in 2019 we were working on payment system there was no known solutions for “meta transactions”. Now, in 2022, there are a few widely used meta transaction solutions. Crypto community (building on top of EVM compatible chains) has reached some consensus on minimal interoperability solution for meta transactions support on smart contracts level.
This proposal describes how we could implement support for EIP2771 with minimal changes of our smart contracts, services and node itself.
Add wintun.dll to zip archive with windows release
supervisor or node itself doesn't actually work without WinTun on windows, it looks justified to bundle it as well.