Polkadot is a collection of multiple, heterogeneous blockchains, the main purpose of Polkadot is to connect currently separate blockchains. Through Polkadot, communication and data transfer between different blockchains can take place. The Polkadot project was founded in 2015 and is led by the famous Dr. Gavin Wood, one of the founders of Ether and the creator of the Ether Yellow Book, who left Ether to start his own technology company, Parity. Polkadot is a project managed by Parity. DOT is the native token of the Polkadot platform and is mainly used to: manage the platform; operate the network; create blockchains by bonding together DOT; and pay for messaging fees.