There is only a small group of countries that will not be able to participate in the testnet, which they are:
Republic of China, Japan, Canada, Bosnia, Ethiopia, Iraq, Sri Lanka, Syria, Trinidad and Tobago, Tunisia, Vanuatu, Yemen, Afghanistan, Burundi, Central African Republic, Democratic Republic of Congo, Eritrea, Republic of Ghuinea, Libya, Myanmar, Somalia, Sudan.
Do you plan to participate in the Testnet of NOIA?
RE: Maximizing the NOIA Protocol to Earn Money While Using the Internet