Hcash is a cryptocurrency that has managed to be in the first 20 in the cryptocurrency market capitalization list. Learn more watching.
The blockchains need all transactions to be recorded on the blockchain. Raiden network, similar to lightning network, uses payment channels to make payments off-chain, It's very interesting to see how it works.
Factom was created to build a more honest and transparent world. It has a very simple approach: create software that makes it impossible to change the past and point that software at places where it solves valuable business problems. Check out details on the video.
EOS is a project by the developer who build Bitshares and the person who build Steem along with other developers. This is the third project for Dan Larrimer. Dan had a lot of success with Steem and Bitshares.
Districts are marketplaces and communities that exist as decentralized autonomous organizations on the district0x Network. All internet citizens will be able to deploy districts to the network free of charge, forever.