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 .
A host of blockchain-based start-ups are allowing consumers to profit from selling their data. Such companies are adopting models connecting sellers of personal data with potential buyers, using cryptocurrencies. One example start-up, CoverUs, pays users a small amount 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 can't be resold on the secondary market, allowing individuals to retain control of who has access to their information.