Anyone can participate in the private sale of DUA, except for nationals and residents in the following jurisdictions:
- Afghanistan
- Belarus
- Burundi
- Central African Republic
- Democratic People's Republic of Korea (DPRK – North Korea)
- Democratic Republic of the Congo
- Guinea
- Guinea-Bissau
- Iran
- Iraq
- Libya
- Myanmar (Burma)
- Nicaragua
- Russia
- Somalia
- South Sudan
- Sudan
- Syria
- Ukraine
- United States
- Venezuela
- Yemen
- Zimbabwe
