Which Blockchain technology platforms do you think show the most promise?

Overall, it is still early in the development of blockchain platforms and, for the most part, they have not achieved widespread adoption by consumers in any meaningful sense. That being said, I think Bitcoin has clearly won the "store of value" use case and I think the implementation of lightning gives it some more transactional/development promise. I think ETH has most of the developer mindshare which is always a good indication of future promise. EOS just launched and clearly has the money to attract developers ($4.1B) but we shall see where it goes. On the lesser known front, I love the team at 0x (ZRX) and am bullish on privacy coins like Monero (XMR) and Zcash (ZEC). I also think Augur (REP) has a ton of potential and a strong team.