According to Odaily, a memorandum released by the U.S. Securities and Exchange Commission's (SEC) Crypto Assets Special Working Group on April 22, 2025, reveals a proposal submitted by Perkin Law Firm, El Salvador's National Digital Assets Commission (CNAD), and former Goldman Sachs partner Heather Shemilt. The proposal suggests a cross-border regulatory sandbox collaboration aimed at fostering regulatory innovation in the digital asset sector. This initiative offers the SEC an opportunity to collaborate with international regulatory bodies, utilizing real-world data to support the development and optimization of the U.S. digital asset regulatory framework.