for b) centralized stores of value such as PayPal also offer instantaneous global transfer (at least among PayPal accounts). And Bitcoin current is not even instantaneous.
As far as "easily confiscated" this is not true for fiat currencies.
If you hold your cash in fiat currencies and use an account such as PayPal to hold small amounts for actual (even global) transactions, it's practically superior to Bitcoin.
As far as "easily confiscated" this is not true for fiat currencies.
If you hold your cash in fiat currencies and use an account such as PayPal to hold small amounts for actual (even global) transactions, it's practically superior to Bitcoin.