Don't give out your account numbers, there will be a lot of hassle should an evil person get it. However you have a reasonable change of getting your money back in a couple years. (this is also why you get warning about some countries - a few will not cooperate with traces and so the money is lost)
Is that a US thing? In Europe, companies have their account numbers on their letter heads and websites, and people are quite comfortable giving out their account numbers.
https://www.quelle.de/service-hilfe/bezahlung-finanzierung/k...
1. Something electronic that kicks of the thing where I need to enter the “ID codes” from device or app; 2. Being present at the bank and having been ID’d;
One example of subjectivity is if, and this happens, a bug is found which can drastically increase the supply of coins beyond the intent of the creators; everyone comes together and removes those state transitions manually despite their objective validity. A more practical notion would be some type of "this transaction was fraud, someone has authority to reverse it." Of course, this is a hard tradeoff, but users should be able to make it.
The only thing they are better is providing security in an easier way.
The same attack on every desktop and laptop would be... significantly harder.
Yeah, it is totally great to have to set up a different account for every service, then having to do AML and KYC, and then having your account suspended for no apparent reason. So great that international transfers takes days and tens of dollars in fees, if they succeed at all. So great how a large part of the world‘s populace is denied access to the global financial system. Great as well how centralized it is, so things go down when there are technical problems at your bank. Absolutely awesome how Canada was able to freeze bank accounts of people who donated to the ”wrong“ cause.
They totally have it figured out, we should stop looking for alternatives. We already have the perfect system for the ages. Anybody who even tries is delusional.
I'll give you a little hint - https://en.wikipedia.org/wiki/Monopoly_on_violence