# mainnet

> `const` **mainnet**: [`Chain`](/reference/filoz/synapse-core/chains/interfaces/chain/)

Defined in: [packages/synapse-core/src/chains.ts:73](https://github.com/FilOzone/synapse-sdk/blob/9fa121f392b920db0aaef2c03e5379b268015189/packages/synapse-core/src/chains.ts#L73)

Filecoin Mainnet

Compatible with Viem