S.D. Codified Laws § 51A-18-13 (2026)
A licensee shall employ software that analyzes data from publicly accessible distributed ledgers and traces addresses capable of sending or receiving virtual currency to identify risk indicators, including any address used to access or transfer virtual currency for fraudulent or other illicit purposes. The software must prevent the initiation of any transaction if, at the time of the transaction, the destination address is reasonably likely or known to be connected to fraudulent activity. The licensee shall block transfers to addresses associated with overseas platforms that do not permit access by users in the United States.
Source: SL 2026, ch 193 , § 13.