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Serai
Serai is a decentralization execution layer whose validators form multisig wallets for various connected networks, offering secure decentralized custody of foreign assets to applications built on it.
Serai is exemplified by Serai DEX, an automated-market-maker (AMM) decentralized exchange, allowing swapping BTC, ETH, USDC, DAI, and XMR. It is the premier application of Serai.
Substrate
Serai is based on Substrate, a blockchain framework offering a robust infrastructure.
Smart Contracts
Serai offers WASM-based smart contracts. All applications are built over these contracts, enabling composable interactions within a mutual layer. These contracts are primarily written in ink!, a framework for building contracts in Rust.
Initially, smart contract deployment will not be enabled. Solely Serai DEX will be available, due to the variety of economic considerations around securing the multisig. Serai may expand in the future with more explicitly added applications, each with tailored economic models, or may enable arbitrary contract deployment. At this time, we solely plan for Serai DEX's availabiliy.
Application Calls
Applications, such as Serai DEX, may be called via calling their relevant smart contracts. At a low level, this is done via specifying the address of the contract being interacted with, along with SCALE-encoded calldata.