As governments move closer to adopting Central Bank Digital Currencies (CBDCs), the real challenge is no longer whether digital currencies will exist--it’s how they will be built and integrated into existing financial systems. Most current infrastructure was never designed for programmable money, real-time settlement, or seamless interoperability. Retrofitting these systems often leads to inefficiencies and limitations.

@Sign is approaching this problem from a completely different angle.
Instead of modifying legacy systems, SIGN is building a full-stack CBDC solution from the ground up, designed specifically for central banks and national-scale deployment. Its architecture is structured across two layers--Wholesale and Retail, which together form a complete and flexible digital currency system.
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