What is the meaning of Binance? Question to CZ

Hay, Hello.... @cz_binance & @binance
Finance and Binance are Rhyming Words.
If first alphabet of Finance gets replaced with B then we get Binance.
Please fill in the blank:
B for ______

Is it B for Binary? 🤔 #BNB #Binance #iesefosp#digitalशेती #sdbhosale https://t.co/cCbAqvvdOd

— SDBhosale । IESEFOSP (WFO) BEP20 Token (@iamsdbhosale) May 8, 2021