FTX’s crypto derivatives exchange LedgerX instructed customers to make local wire transfers through Signature bank instead of the firm’s usual banking partner, Silvergate bankBloomberg reported that LedgerX users will have to send wire transfers via Signature bank beginning Wednesday.LedgerX remains one of the few remaining solvent entities from Sam Bankman-Fried’s crypto empire. FTX’s crypto derivatives exchange LedgerX directed customers to make local wire transfers through Signature bank instead of the firm’s former banking partner, Silvergate bank.