The Challenge for the 2017 edition focuses on blockchain.
In particular, we are looking for participants to come up with an innovative concept for an application based on blockchain technologies that shows how the principle of secure, public ledgers can be used to disrupt conventional business models.
Think broad, your concept can address business applications as diverse as health, education, government services, Property, Digital Rights, the Internet of Things, etc. You should base your application developments on existing blockchain platforms (Bitcoin, Ethereum, Multichain, etc.).