To kick off DeFi Teller's series of crypto project reviews we picked one of the brightest and most unique - Polkadot. How does Polkadot work and how is it different from other blockchains? What are parachain auctions and how many parachains on Polkadot can there be? What is Substrate and why do we need it? All the main questions about Polkadot answered and the features of the project's architecture explained in simple terms.

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