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The following details the architecture of Sygma.

The Sygma messaging protocol is able to transfer arbitrary data. This allows us to transfer not only ERC-20 tokens, but also ERC-721 (e.g. NFTs), in addition to something else we refer to as: Generic data. Generic data can be used to bridge governance proposals or voting actions, for example, or any other contract call by transferring calldata.

Currently, the Sygma protocol is compatible with EVM and Substrate-based networks, but is proven to be easily extended to other networks such as Cosmos-based chains (Tendermint) as well.

Sygma Bridging Flow Diagram