Or how many times it's been used in funding terrorism, money laundering and other illegal activity? If the answer is the food, rent etc. the fiat is probably more famous than infamous.
I don't usually have any cash except when I want to buy some weed. I don't think I have used cash for a legal purchase this year.
Sure I must have, but for many years now most people use debit and credit cards for legal purchases. It helps you avoid having change. Cash is for drug dealers.
The state agrees with you. Which is why China is insisting on cashless payments to have complete surveillance over the transactional activity in the country.
We don't even hae to have anyone insist on it. We just prefer it. I hated having all the loose change. I use to throw out any coins less than a quarter.