# Variable: CUSTOM\_2FA\_TOKEN\_EXPIRATION\_MS

> `const` **CUSTOM\_2FA\_TOKEN\_EXPIRATION\_MS**: `300000` = `300000`

Defined in: [packages/bitbadgesjs-sdk/src/core/builders/custom-2fa.ts:183](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/builders/custom-2fa.ts#L183)

5-minute default 2FA token lifetime. Mirrors the FE constant
`CUSTOM_2FA_TOKEN_EXPIRATION_MS` in
`bitbadges-frontend/src/bitbadges-api/utils/custom-2fa-protocol.ts`.