Earlier quoted context omitted.
Anything involving a clearing house.
Such as?
- Art transactions: registry of origin and property transfers for any object (with authenticated certificate), currently done by lawyers & auction houses (costly, inefficient, painful, near-impossible in some cases involving war/expropriation because records were destroyed at some point)
- International shipping: INCOTERMS, currently handled through various specialized intermediaries (costly, inefficient, painful)
- Registry of operations over the life of a company (creation/address change/acquisitions/foreclosure), currently done by national commerce courts & accredited local newspapers (costly, inefficient, painful)
- Wills: self-authentication of one's will preventing repudiation attempts by third parties, currently done by lawyers and witnesses (costly, inefficient, painful)
- Escrow accounts for service providers (ex freelancers) through multisig wallets, currently done by intermediary platforms (costly, inefficient)