Matthew Green was _insistent_ about making an altcoin. I believe can substantiate this with DKIM-signed emails by Google, if it's actually being refuted. He was especially concerned about difficulties monetizing any other path.
In particular, later I begged for access to the efficient SHA256 circuits which had been created and benchmarked as part of their publications, which were held back from publication with libsnark. ... so that I could begin working on applications of them with Bitcoin, only to be blown off.
> and that's all that is happened: talking. There is no code and
https://github.com/ElementsProject/elements sidechain right here.