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Polkadot is a sharded heterogeneous multi-chain architecture which enables external networks as well as customised layer one "parachains" to communicate, creating an interconnected internet of blockchains. The cryptocurrency uses proof ofShow more [+] stake.The protocol was created by the Ethereum co-founder Gavin Wood and is developed by Parity Technologies.In June 2021, Coinbase added Polkadot to its cryptocurrency trading platform.Polkadot's first token sale closed on October 27, 2017 raising a total of 485,331 ETH (Ether, the currency of the Ethereum blockchain).
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