KYB for non-traditional business structures in fintech

Curious how others are approaching KYB for clients operating with increasingly decentralized or non-traditional business structures, particularly in the Web3 space. The classic corporate hierarchy doesn't always map, and beneficial ownership can be opaque. Are bespoke solutions necessary, or are existing frameworks adapting effectively to identify ultimate control and AML red flags without stifling innovation? What's proving most challenging jurisdictionally?