Cryptocurrencies do not add anything to either beyond what was already done by cryptography.
> “bank accounts”
We already have bank accounts. In banks, hence the name. What’s the average transaction fee for the most popular cryptocurrency? By one of many metrics by which cryptocurrency fails even against the status quo.
“Not everyone” has a computer of any kind, not even a cellphone, not even of the not-smartphone variety.
Underbanked people more so than the general population.
And this group is also the most harmed by current cryptocurrency transaction fees — I’ve met someone (friend of a friend in Nairobi) for whom, assuming rent is paid monthly, current fees would raise their rental cost by 10%, and they’re already struggling.
- “bank accounts”
- a universal notary and authenticity service
These are building blocks for a number of applications.
Most order applications don’t make sense, but hey, everybody needs “bigdata” too