[rtpg]

This is an interesting angle. The important thing to note is the "I owe you $10" piece of paper is worth roughly $10 when it comes from a trusted source.

I think if I wrote that it might not be worth the full $10 in "publicly traded" circumstances.

There's an interesting exercise in how bank-like you can become before you need to register as a financial institution.

[Dylan16807]

Though that trust is mostly based in how big a pile of money you have, and how stable it seems to be, even if you act nothing like a bank.