OFAC screening for blockchain gaming

How blockchain game economies stay compliant when tokens and items move between players.

TL;DR

TL;DR: Blockchain games that let players trade or withdraw value must screen counterparty wallets against the SDN List, because a payout to a blocked wallet violates OFAC regardless of intent.

Game economies are real economies

A blockchain game with tradeable tokens and items is running a real value transfer system. OFAC (the Office of Foreign Assets Control) regulates those transfers, and its strict liability standard means the game operator can be penalized for a payment to a blocked party even without knowledge. Civil penalties start at $356,000 per violation.

Which flows need a check

The flows that matter are item or token sales, marketplace settlement, and withdrawals or earnings payouts. The 50 Percent Rule extends blocks to entities 50 percent or more owned by a blocked person, so when the recipient is a guild or studio, the check should resolve ownership, not only compare the wallet string.

Screening inside the game loop

agentmail, the screening API at sanctionsai.dev, fits the game's payout path: one HTTP call under 100 ms returns clean (ALLOW) or flagged (BLOCK), checking 947 OFAC-listed crypto wallets and 19,218 SDN names across 16 jurisdictions, synced hourly. A flagged wallet is held for review instead of paid, keeping the economy open while blocking the risk.