> don’t we always have a ledger of the coin ids? Monero hides the sender, receiver and the transaction amount from the public. While it's not a perfect system

> don’t we always have a ledger of the coin ids? Monero hides the sender, receiver and the transaction amount from the public. While it's not a perfect system (ring signatures being the main weakness), it's extremely difficult to trace and you can for instance sell them on Kraken directly for cash.