Ethereum today is where bitcoin was in 2010 – raw infrastructure, lack of developers, and plenty of skeptics.

The creators behind the interplanetary file system (IPFS) hope that in 10 years, the majority of the world's data is stored and distributed with their technology.

What 21 has here is a small step for bitcoin mining, but a giant leap for the internet of things.

"A bitcoin miner in every device and in every hand."