Why do you believe this has any relevance at all? People want to buy stuff, not exchange bill with serial number #abcxyz with stuff.
And from my example you can easily understand why your assertion is quite wrong to begin with.
Why do you believe this has any relevance at all? People want to buy stuff, not exchange bill with serial number #abcxyz with stuff.
And from my example you can easily understand why your assertion is quite wrong to begin with.
Because it solves the double spend problem [0] associated with digital currency without use of a centralized database.
I think that matters to people trying to avoid onerous capital controls or a government printing 31% of the money supply in a week [1]
[0]: https://en.wikipedia.org/wiki/Double-spending
[1]: https://www.bloomberg.com/news/articles/2019-02-05/venezuela...
I check for cool serial numbers fairly frequently but I couldn’t say I care about the exact bills. A five’s a five. That’s why currency is great.