If, however, the funds don’t end up being recovered and the exchange gets shut down (as we’ve seen with Mt. Gox, QuadrigaCX, BTC-E, Cryptsy, Celsius and so many others), I would recommend classifying tokens lost on FTX as worthless investment losses, and taking a capital loss in the year that it is determined that the tokens are deemed worthless.
How to Report FTX Crypto Losses on Your Taxes
