There are some instructions on Binance regarding the required documents via the following link:
Required Documents
1. A selfie video stating the preferred method of transfer of the deceased user’s assets.
2. A digital copy of the death certificate in PDF format or a corner-to-corner photo.
3. A digital copy of valid government-issued ID or passport belonging to the person in the above video in PDF format or a corner-to-corner photo.
4. A digital copy of the last will and testament and/or probate documents (i.e. Probate, Letters Testamentary, Letters of Administration, Affidavit for Collection or Small Estate Affidavit) in PDF format or a corner-to-corner photo.
https://support.binance.us/en/articles/10395308-collecting-funds-from-a-deceased-user-s-accountBut the most important question is who is entitled to inherit from the deceased's Binance account? I mean, if the deceased had a wife and children, they all have a share in the inheritance. But who is entitled to inherit the Binance account?