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Encryption used to be inlined into FROST. When writing the documentation, I realized it was decently hard to review. It also was antagonistic to other hosted DKG algorithms by not allowing code re-use. Encryption is now a standalone module, providing clear boundaries and reusability. Additionally, the DKG protocol itself used to use the ciphersuite's specified hash function (with an HKDF to prevent length extension attacks). Now, RecommendedTranscript is used to achieve much more robust transcripting and remove the HKDF dependency. This does add Blake2 into all consumers yet is preferred for its security properties and ease of review.
Serai
Serai is a new DEX, built from the ground up, initially planning on listing Bitcoin, Ethereum, Monero, DAI, and USDC, offering a liquidity pool trading experience. Funds are stored in an economically secured threshold multisig wallet.
Layout
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docs: Documentation on the Serai protocol. -
crypto: A series of composable cryptographic libraries built around theff/groupAPIs achieving a variety of tasks. These range from generic infrastructure, to our IETF-compliant FROST implementation, to a DLEq proof as needed for Bitcoin-Monero atomic swaps. -
coins: Various coin libraries intended for usage in Serai yet also by the wider community. This means they will always support the functionality Serai needs, yet won't disadvantage other use cases when possible. -
processor: A generic chain processor to process data for Serai and process events from Serai, executing transactions as expected and needed. -
contracts: Smart Contracts implementing Serai's functionality. -
substrate: Substrate crates used to instantiate the Serai network.