Yes and no. You can trace every transaction back to day 0, so it is possible to know which other bitcoin wallet(s) the money was transferred to. If the thief ho

Yes and no. You can trace every transaction back to day 0, so it is possible to know which other bitcoin wallet(s) the money was transferred to. If the thief however only uses the stolen BTC to pay for non-identifying services (i.e. internet hosting), it will be very hard to find them.