By 31 July 2018 Binance Coin (BNB) Coin Burn

[byhuji]

Each quarter Binance uses 20% of profits to buy back and burn BNB, until 100MM BNB are burned.

Source

https://support.binance.com/hc/en-us/articles/115002205552-Binance-1st-Quarter-BNB-Burn-Event