We're completely serious and have already raised some money (doing a blockchain fundraiser right now to get the rest to open our first market). We're operating as an extrajurisdictional company. De-anonymization is a risk, though we are taking a lot of measures to prevent that and, well, obviously we are OK with the risk.
This is basically the only way someone can actually help sex workers. Disclose your identity and do what we're doing and they come after you.