API KEY is a function that provides specific users (developers) to access their own BigONE account.(https://developer.big.one)
Enter your Asset PIN in「Settings-API KEY」to get the API key of your account. For security reasons, please keep your API key and do not leak it to anyone!
Enter your Asset PIN to request a new API key, this will invalidate all old API keys.
If you do not need to use the API key, please ignore the feature.