There is always some measure of trust involved in any transaction. The really hard problems of trust in transactions aren’t really about actual transfer of cur

There is always some measure of trust involved in any transaction. The really hard problems of trust in transactions aren’t really about actual transfer of currency but stuff related stuff like can I change my mind, am I getting what I think I paid for, etc. Bitcoin, at great resource cost, tries to solve the problem of trust that most people don’t actually have.