This might be true for a service with a basic setup of providing the same address for deposits. If they did it the right way, they would provide a unique addres

This might be true for a service with a basic setup of providing the same address for deposits. If they did it the right way, they would provide a unique address each time. Such a list of addresses is only known to the key holder unless they were to share it. https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki https://github.com/bitcoin/bips/blob/master/bip-0032.mediawi...