> Blockchains are useful for reducing the overhead due to lack of trust when you're working with other companies. That's an "is" statement, not a "could" state

> Blockchains are useful for reducing the overhead due to lack of trust when you're working with other companies. That's an "is" statement, not a "could" statement. Please show me, not a possibility, not a press release about a pilot scheme, but a present-day working example of this in practice as part of an industry.