Regulator · updated October 2, 2026
U.S. Department of the Treasury (incl. OFAC and FinCEN)
What is U.S. Treasury?
The U.S. Treasury Department sets sanctions through its Office of Foreign Assets Control (OFAC), which can list individuals, entities and crypto addresses, and anti-money-laundering rules for crypto businesses through FinCEN.
Official site: home.treasury.gov
Latest Basis Desk coverage
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US Treasury Moves to Block A7 Network and Its Global Sub-Agents
FinCEN proposes a total ban on transactions with the Russia-linked shadow banking network's sub-agents, which processed $17 billion in fiat and $179 billion in A7A5 stablecoin volume.
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US Treasury Moves to Sever Russia-Linked A7 Shadow Banking Network
FinCEN and OFAC targeted the multi-billion-dollar network, banning fund transmittals and sanctioning its Ruble-backed A7A5 crypto infrastructure.
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US Sanctions Tren de Aragua Network for $40.7M ATM Jackpotting Scheme
OFAC designated 10 individuals and seven crypto addresses tied to FBI fugitive Anibal Aguirre, who allegedly used stablecoins to launder stolen cash.
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Senator Blumenthal Urges DOJ and Treasury to Probe Tether Over Iran Financing
A Senate PSI report alleges 84% of sanctioned Iran-linked crypto wallets operated almost exclusively in USDT, calling for federal scrutiny of the stablecoin issuer.
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Tether Freezes Nearly $550M in Iran-Linked USD₮ as US Sanctions Tighten
The stablecoin issuer reports freezing $550 million in 2026 across wallets linked to the Central Bank of Iran following US Treasury actions.
Primary documents cited in our coverage
- Operation Economic Outcast Takes Unprecedented Action Against Sanctions Evasion Network Used by Iran — Primary document (discovered), October 2, 2026
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