What is Consumer Token Issuance (CTO)? How does consumer token (CTO) work? CTO helps to raise funds for encryption based projects, but in a safe way to help investors avoid fraud. Issues related to consumer token issuance. Although this model has not been widely incorporated into the encrypted space, it is still a landmark part of the future of ConsenSys and a key player behind the Ethereum ecosystem. Therefore, the future of consumer token products is green.