Polygon Labs' chief legal and policy officer, Rebecca Rettig, has expressed her optimism for the future of crypto despite the challenges it faces. She believes that technical advancements, regulatory progress, and wider adoption are occurring, but acknowledges that there are still obstacles to overcome. One of the biggest challenges is making blockchain technology more accessible and understandable to a wider audience. The industry must work with regulators and policymakers to address the AML issue and provide viable solutions that align with regulatory goals. Despite these challenges, Rettig remains optimistic about the industry's potential with passionate builders leading the way.