Seems like virtue signalling from an over-controlling project maintainer with a grudge against blockchains. Can you make a coherent case for why a legitimate and licit application of crypto should not be allowed on your source hosting platform? To give an example of a legitimate and licit application: Endaoment.
> We will exercise discretion when applying this rule. If you believe that your use-case for cryptocurrency or blockchain is not plagued by these social problems, you may ask for permission to host it on SourceHut, or appeal its removal, by contacting support.