Bitcoin is the first cryptocurrency. It has an open source that no one owns or controls. Its transactions and emissions are regulated by an extensive peer-to-peer network. The cryptocurrency uses a single database distributed on the network, included in a decentralized peer-to-peer network that uses an electronic digital signature and is supported by a proof-of-work protocol to ensure the security and legitimacy of the funds put into circulation.

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Bitcoin

Jamie Dimon, Nov 2015: "You’re wasting your time with Bitcoin!"

http://fortune.com/video/2015/11/04/jamie-dimon-youre-wasting-your-time-with-bitcoin/…

BTC + 1000% since then

Update: +13,000% since then.