Blockchain for enterprise is about accounting (internally) and long-tail revenue streams (externally).

Middle

Integration with partners. Data standards emerging, reflecting that certain data is in fact, commodity. - And not genesis/custom as one would like to think. And at least that uniqueness doesn't live on chain.

Event-driven Software Architecture

The blockchain is an event log.

Event-storming (Brandolino) offers good advice here.

Wardley Map

Blockchain is an innovation that has moved from Genesis, nearing Commodity in about 15 years. The impact to existing value streams, especially regarding data, will be substantial.