Crypto markets face weeks of deleveraging in the fallout from the crisis at digital-asset exchange FTX.com, a period of upheaval that could push Bitcoin down to $13,000, according to JPMorgan Chase & Co. strategists.Crypto markets face weeks of deleveraging in the fallout from the crisis at digital-asset exchange FTX.com, a period of upheaval that could push Bitcoin down to $13,000, according to JPMorgan Chase & Co. strategists.