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Introduction to Composable Finance: Building the Infrastructure for cross-chain DeFi

Key Terms

ParachainA blockchain that connects to the Polkadot relay chain and inherits Polkadot’s shared security and interoperability with other parachains. Parachains are essentially shards. Polkadot will initially support 100 parachains.
Relay ChainThe main network that parachains plug into and where transactions are finalized.
SubstrateAn SDK that developers can use to build highly customizable blockchains. It is the primary SDK that developers use to build Polkadot parachains.
XCM/XCMPPolkadot’s cross-chain message-passing protocol. It allows communication between Kusama, Polkadot, and their parachains.
PalletsPallets are basically...