Not necessarily disclosure. A court could probably demand that the owner enter his password and engage in a transaction with the FBI / with the court / some co

Not necessarily disclosure. A court could probably demand that the owner enter his password and engage in a transaction with the FBI / with the court / some court-appointed escrow. One might argue that by transferring the money they would incriminate themselves e.g. by demonstrating that they control it, but I do not think that would matter in terms of seizing the money.