COTI, a Layer 2 privacy blockchain, has been invited to participate in the Digital Shekel Challenge, an initiative commissioned by the Bank of Israel. This challenge aims to explore the potential of digital currencies and their applications within the financial ecosystem. COTI's involvement signifies a growing interest in privacy-centric blockchain solutions for national digital currencies. The initiative will likely examine various aspects of digital currency implementation, including security, privacy, and scalability. This development highlights the increasing integration of blockchain technology in traditional financial systems.