Two unproven startups just raised a combined $65 million to test out real-world use cases of blockchain in energy: Grid+ and Power Ledger.

Blockchain for energy is starting to get traction, and there's actual money flowing into the space. So what do these companies actually do?

In this episode, Shayle Kann talks with Scott Clavenna about the ideas, strategies and risks behind each of these startups. Then we talk about the heady world of ICOs -- initial coin offerings -- and why so much capital is flowing into this market all at once.

This is an update to our previous conversation on blockchain and energy. Listen to that episode for a primer on blockchain.

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