Polkadot X Cosmos
summary
Polkadot and Cosmos claim interoperable multi-chain futures and show concrete mechanics: both networks have ~17 million blocks, Polkadot runs ~297 validators with a 16-validator nominator selection while Kusama serves as a production canary, and parachain auctions grant two‑year leases. Polkadot uses Wasm runtimes and a sharded relay with collators and random validator assignment; asynchronous backing increases throughput, XCM and the XCM executor enable cross‑chain calls, and a trustless Ethereum bridge testnet plus a Composable/Centor proof‑of‑concept exist.
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chapters (12)
- 0:00Polkadot and Cosmos intro
- 1:36Origins and principles
- 3:01Polkadot multi-chain
- 4:05Polkadot vs Cosmos
- 6:55Securing parachains
- 8:21Validator sets and staking
- 10:33Consensus mechanisms
- 12:01Building blockchains with Cosmos SDK and Polkadot SDK
- 13:50WebAssembly and FRAME in Polkadot SDK
- 15:38Governance and upgrades
- 17:24IBC and XCM
- 19:52Use cases and collaboration
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