LONDON (Reuters) – After major crypto exchange FTX filed for U.S. bankruptcy protection on Friday, the crypto industry is bracing for further fallout. Some of FTX’s investors have said they are writing their investment down to zero. Other crypto firms may be exposed to FTX by having held tokens on the exchange or by owning FTX’s native token, FTT, which plunged around 94% last week. While the extent of the contagion across crypto markets remains unclear, here are some firms who have given information about their exposure to FTX. BINANCE Binance Chief Executive Changpeng Zhao sparked concerns a…