Universal transaction signing with Portis
Universal transactions signing works with Portis as well. We've added a simple demo to our example repo.
To see it in action, you must checkout the repo and follow the instructions in the README.md file.
Universal transaction signing with Fortmatic
Fortmatic is an Ethereum wallet that lets developers build dApps without extensions or downloads. To see how universal transaction signing works with Fortmatic, head over to our example repo.