When you look back at the history of the crypto ecosystem, there will be two dates that standout:
October 31, 2008: The day Satoshi Nakamoto published the Bitcoin whitepaper.
July 30, 2015: The day Ethereum was launched.
The importance of these two protocols is pretty self-explanatory. First, Bitcoin introduced the concept of decentralized money and blockchain technology to the mainstream. Meanwhile, Ethereum successfully deployed smart contracts, which empowered developers worldwide to create decentralized applications.

Read more about the evolution here:
https://medium.com/@Qtum/why-qtum-is-the-real-evolution-of-bitcoin-766130f94f38

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