In a bold move, advocates for the cryptocurrency industry have filed a brief opposing the Securities and Exchange Commission's (SEC) proposed Consolidated Audit Trail (CAT). This database, which aims to track and monitor trading activity in the financial markets, has sparked concerns among advocates that it will inadvertently expose the identities of crypto wallet holders. With the potential to collect an overwhelming amount of personal data, the CAT has raised serious questions about privacy and the protection of investors' sensitive information.