The U.S. Treasury imposed sanctions on two cryptocurrency mixers accused of laundering ransomware proceeds for foreign actors. The step reinforces Washington’s clampdown on illicit financial flows in digital assets. Analysts said exchanges and DeFi platforms must upgrade compliance systems to avoid exposure. The action aligns with growing global scrutiny on privacy tools used for cross-border transfers. Regulators warned users about possible transaction delays and fee hikes as heightened anti-money-laundering protocols take effect across crypto networks.