Brazil's government and central bank have unveiled proposals to curb illicit use of Bitcoin and stablecoins by tightening KYC, reporting and oversight requirements. The measures aim to disrupt criminal activity but could raise compliance costs for exchanges, P2P platforms and stablecoin issuers.

South Korean regulators fined Dunamu, operator of the Upbit exchange, 35.2 billion won (about US$24 million) for breaches of anti-money laundering and customer verification rules. The penalty highlights growing enforcement pressure on crypto exchanges and raises questions about compliance across the industry.

Brazil’s central bank issued new rules on Nov 10, 2025, extending anti-money‑laundering and counter‑terrorism financing standards to virtual‑asset service providers. The move raises compliance costs and could reshape local exchange activity and DeFi access.

Cryptomus, operated by Xeltox Enterprises Ltd., has been fined C$176.96 million by Canada's FINTRAC for failing to report thousands of large transactions linked to fraud and illicit activities, marking one of the most significant AML enforcement actions in the country.

Recent developments in US cryptocurrency regulation include FinCEN's proposal to label crypto mixer transactions as primary money laundering concerns, CFTC's initiatives to regulate digital asset markets and tackle fraud, and the Federal Reserve's research on tokenization and its financial impacts.

New U.S. legislation focuses on integrating strict anti-money laundering protections in cryptocurrency regulations, addressing national security concerns highlighted by Senator Elizabeth Warren and supported by bipartisan lawmakers.