One of the most important properties of Zcash is "selective disclosure." Effectively, you can audit and perform proofs-of-solvency with the same security as in

One of the most important properties of Zcash is "selective disclosure." Effectively, you can audit and perform proofs-of-solvency with the same security as in other cryptocurrencies. But yes, if someone on the inside "steals" the money, nobody will figure out where it went.