Sign： Blockchain Infrastructure Powering Digital Nations
Update: 2025-10-16
Description
We speak with Xin Yan, Co-Founder of Sign, the company building sovereign blockchain infrastructure for global nations. Sign’s technology stack spans a sovereign blockchain, onchain identity system, and digital asset distribution platform, enabling governments to adopt blockchain at national scale while maintaining regulatory control, compliance, and access to global liquidity.Xin discusses how Sign has already served 50 million users and distributed over 2 billion dollars in digital assets, leveraging privacy preserving zero knowledge proofs, smart permission frameworks, and interoperability across EVM, Solana, Aptos, and TON. The conversation explores real world use cases from stablecoin accounts and border control to universal basic income, and how Sign’s community driven “Orange Dynasty” movement is bringing crypto for all.
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