MatrixDock contributed the following description of XAUm:

Matrixdock Gold (XAUm) is a standardized token deployed on multiple chains, with a 1:1 peg to 1 troy oz. fine weight of high grade LBMA gold. The total supply of XAUm will always be equal to the amount of underlying assets stored in highly secured and reputable vaults.

Zellic conducted a security assessment for MatrixDock from July 16th to July 21st, 2025. During this engagement, Zellic reviewed XAUm's code for security vulnerabilities, design issues, and general weaknesses in security posture.