Digital gold has emerged as an alternative to invest directly in gold while avoiding many of the challenges of owing physical gold or other gold assets in traditional financial markets. Digital gold offers a number of benefits compared to its physical counterparts, including high scalability, interoperability and programmability. In addition, digital gold is an attractive instrument for gold investment. They can be traded at any time with low fees and easy storage. The emerging industry of DeFi (Decentralized Finance) will unlock more opportunities for digital gold derivatives.