Robert Habermeier, Polkadot co-founder, gives an overview of Polkadot—a scalable and interoperable blockchain platform for a decentralised web.

https://polkadot.network

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https://github.com/paritytech/polkadot

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https://riot.im/app/#/room/#polkadot-watercooler:matrix.org

More Polkadot resources: https://github.com/w3f/Web3-wiki/wiki...