A host of blockchain - based start - ups are allowing consumers to profit from sharing their data . Such companies are adopting and connecting sellers of personal data with potential buyers , using cryptocurrencies . One example start - up , CoverUs , pays consumers a small fee to engage with preventative health care , collecting health data in the process . The general model is to connect sellers (us) with buyers, using crypto as the exchange medium. Another , Encrypgen , looks to provide a blockchain - based platform where individuals can sell DNA data . According to some experts , the advantage of using blockchain for this purpose is that data ca n't be resold on the secondary market , allowing individuals to retain control of who has access to their data .
A host of blockchain - based start - ups are allowing consumers to profit from sharing their data . Such companies are adopting and connecting sellers of personal data with potential buyers , using cryptocurrencies . One example start - up , CoverUs , pays consumers a small fee to engage with preventative health care , collecting health data in the process . Another , Encrypgen , looks to provide a blockchain - based platform where individuals can sell DNA data . According to some experts , the advantage of using blockchain for this purpose is that data ca n't be resold on the secondary market , allowing individuals to retain control of who has access to their data .