In this talk, Qi gave a brief introduction to cryptocurrency/blockchain. First, he presented a brief history of Bitcoin and discussed why Bitcoin is becoming popular and some of the narratives of Bitcoin advantages. He also explained how cryptocurrency achieves these advantages. Finally, he outlined the state-of-the-art of blockchain and future trends, also mentioning QuarkChain together.
https://medium.com/quarkchain-official/qi-zhou-ceo-of-quarkchain-gave-a-talk-at-the-university-of-washington-to-introduction-to-15a9e0ae5e52