How to get a ransom without being caught? How to pay a drug/malware/CP dealer? How to receive a bribe without physical exchange/trail? Cash doesn’t work well

How to get a ransom without being caught? How to pay a drug/malware/CP dealer? How to receive a bribe without physical exchange/trail? Cash doesn’t work well for any of these use ases, while crypto (esp. Monero) is just perfect!