Then you can use Bitcoin Lightning, a micropayments network layered on top of Bitcoin, and settled on-chain. There are solutions to these things, it's still just an early market.
Oh yeah, that technological marvel/crutch when every single participant must lock permanently a big sums of tokens in advance to each other, and then the system will solve that little easy CS problem called "traveling salesman" in realtime on millions of paths and clients simultaneously. That one? Amazing and really enticing proposal but I'll stick with predatory mastecard for now, tyvm.