Deep Blue contributed the following description of Extended ERC20:

Deep Blue is a stablecoin issuance company that is launching its first stablecoin, DBUSD. A USD fiat backed 1:1 stablecoin. Deep Blue is based out of Jersey in the Channel Islands and has been given consent to issue by the JFSC. Additionally, the company is working with a large global network of key industry partners including CEXs, protocols and chains to build out a strong ecosystem of users and partners.

Zellic conducted a security assessment for Deep Blue from October 17th to October 18th. During this engagement, Zellic reviewed Extended ERC20's code for security vulnerabilities, design issues, and general weaknesses in security posture.