“For example, a brain wave or body heat emitted from the user when the user performs the task provided by an information or service provider, such as viewing advertisement or using certain internet services, can be used in the mining process.”
To implement the process, a server provides a task to a user’s device, which is communicatively coupled to the server. A special sensor then indicates body activity of the individual, while a cryptocurrency system verifies whether or not the body activity data satisfies the conditions set by the cryptocurrency system. Ultimately, the system awards cryptocurrency to the user whose body activity data is verified. -Full Report
European patent office website