pubkey: https://gist.github.com/rudolph9/bd672dc6d50a51a7d3f5352a918.. https://gist.github.com/rudolph9/bd672dc6d50a51a7d3f5352a918.... It’s not theoretical, i

pubkey: https://gist.github.com/rudolph9/bd672dc6d50a51a7d3f5352a918.. https://gist.github.com/rudolph9/bd672dc6d50a51a7d3f5352a918.... It’s not theoretical, it’s widely used and mature technology