The SEC’s recent report to Congress on the impact of technological advances in securities markets isn’t merely a catalog of tech developments; it’s an inventory of how these tools alter the market’s fundamental mechanics—and, yes, its regulatory challenges. If the 20th century markets were defined by floor traders, telephone orders, and paper filings, the 21st century has swiftly evolved into a digital arena dominated by algorithms, blockchain, and AI. The upshot? We’re witnessing a market that’s faster, more accessible, and potentially more transparent, but also laden with new regulatory wrinkles. Let’s examine what the SEC has to say about this digital transformation and its implications for legal compliance, investor protection, and, well, market stability.