Microsoft Envisions a Blockchain-Based Bounty System to Catch Pirates 

A new paper published by Microsoft’s research department proposes to tackle piracy with a blockchain-based bounty system titled “Argus.” The system allows volunteers to report piracy in exchange for a reward. It uses the Ethereum blockchain and is transparent, practical, and secure, while limiting abusive reports and errors.

Source: Microsoft Envisions a Blockchain-Based Bounty System to Catch Pirates * TorrentFreak