In 2009, in the blockchain 1.0 era, Bitcoin featured decentralized digital currency. In 2015, in the blockchain 2.0 era, Ethereum featured smart contracts. In 2016，Genaro proposed the blockchain 3.0 concept, blockchain plus storage. Only when a blockchain is able to store and analyse big data in the real world can Decentralized Applications be as useful asInternet Applications.
Indorse Keynote - Decentralized Professional Network