Your Metal. Your Device. Your Rules. VaultMyStack is a private vault for tracking physical metal holdings, cost basis, and current value — with clean reports and free tools when you need them. Stay completely private? Everything lives only in this browser on this device. Nothing is sent to us. No account required. Back up or restore your data yourself, whenever you want. Or keep it effortless? Want the same vault available on every device, automatically? Create a free account with just an email — same tool, cloud-backed. We’ll only ever send you a login code, nothing more.