The notion that any "Web" technology (i.e. user-facing publication, sharing, & discussion) needs to be coupled with a fraught¹ payment system seems like a fundamentally contentious issue, mostly introduced by people who stand to profit from the success of those payment systems regardless of benefit to Web users.

¹ Regulatory issues, cut-and-run scams, and so on. Some blockchain services have turned out to be securities regulation violations. Some have turned out to be outright frauds where the issuers have just run away with "invested" money. In any event, nobody should today be relying on any blockchain service when creating forums or other services intended for the general public.