C: Privacy coins (like Monero, Zcash) are designed to obscure transaction details, making tracing difficult.

D: Crypto-mixers (or tumblers) mix potentially identifiable cryptocurrency funds with others, obscuring the source.

“Privacy coins and mixing services are specifically cited as high ML/TF risk tools, enabling greater anonymity.”(CAMS 6th Edition, Cryptoassets ML/TF Risks; FATF, Virtual Assets Guidance)