Metex Exchange only lists blockchain native metal backed tokens that are full reserve. This means that each listed metal token is 100% backed by physical metal at all times.
Please check with each token issuer as to their specific processes related to; minting, burning, auditing, physical redemption etc etc
AUS Gold Standard – Managed by Ainslie Wealth
AGS Silver Standard – Managed by Ainslie Wealth
MxPt Platinum – Managed by Metex Corp
MxPd Palladium – Managed by Metex Corp