[s-phi-nl]

A paragraph from the previous essay by the OP comes to mind:

> Less sardonically, there is a lesson here: systems which intermediate between cultures are useful. Intermediating between cultures is a thing the world urgently needs and is extremely prepared to pay for.

https://www.bitsaboutmoney.com/archive/financial-systems-tak...

I don't think decentralized currency will actually solve the issues travelers have with this, at least without reproducing much of the infrastructure already in place for traditional currencies.