# Interface: Chain

Defined in: [packages/bitbadgesjs-sdk/src/transactions/messages/common.ts:84](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/transactions/messages/common.ts#L84)

Chain represents the base chain's chainID.

## Properties

### chain

> **chain**: [`SupportedChain`](https://docs.bitbadges.io/sdk/reference/enumerations/supported-chain)

Defined in: [packages/bitbadgesjs-sdk/src/transactions/messages/common.ts:87](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/transactions/messages/common.ts#L87)

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### chainId

> **chainId**: `number`

Defined in: [packages/bitbadgesjs-sdk/src/transactions/messages/common.ts:85](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/transactions/messages/common.ts#L85)

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### cosmosChainId

> **cosmosChainId**: `string`

Defined in: [packages/bitbadgesjs-sdk/src/transactions/messages/common.ts:86](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/transactions/messages/common.ts#L86)