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Polkadot's ecosystem is a network of independent "parachains" — purpose-built blockchains that plug into a shared relay chain for pooled security, built using the Substrate framework. Its canary network, Kusama, lets teams test high-risk changes before deploying to the main network.

How it works

  1. Transaction on a parachain
  2. Relay chain validates it
  3. Cross-chain message if needed
  4. Shared security finalizes block
TickerDOT
CategorySmart Contracts
Market dataPolkadot on CoinGecko

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