An in depth article provided by the CTO and co-founder of Ultrain - Ning Li,  gpoimg forward there would be a series of articles that elaborate on the topics of various technologies of Blockchain 3.0; including consensus, virtual machines, smart contracts, world state, sharding, state channeling, and the marginal benefits of the private asset.

Please read the full article at： https://medium.com/ultrain-chain/evolution-of-blockchain-the-past-the-presence-and-the-future-3f1b44d36b54