[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › Mnemonic

```ts
type Mnemonic = string &
  Brand<"Trimmed"> &
  Brand<"MinLength1"> &
  Brand<"Mnemonic">;
```

Defined in: [packages/common/src/Type.ts:5855](https://github.com/evoluhq/evolu/blob/f9257a718488bcc2c10afa2edb761c0eee5f5410/packages/common/src/Type.ts#L5855)

A valid English BIP39 mnemonic.