No...? Most crypto is pretty bad for tax evasion because the blockchain provides a permanent public record. There is pseudonymity which when done carefully can provide privacy, but crypto is primarily for digital transactions that get blocked (e.g., credit card companies banning adult content sellers).
I genuinely can't think of use cases other than tax evasion, and 'discrete' purchases.
Things may have changed, but for awhile it was the cheapest way to buy stuff online in high-risk legal markets like precious metals if you wanted the transaction to clear in under 30 minutes. CC have high fees in high risk markets, wires are expensive for some customers, ACH takes 1+ days. Crypto clears quickly and can't be reversed so some sellers discounted it significantly against credit.