Sign completed a $25.5 million strategic financing, with YZi Labs and IDG Capital assisting in the creation of a new infrastructure for "sovereign Blockchain".

The blockchain infrastructure project Sign has announced the completion of a $25.5 million strategic funding round, led by YZi Labs with participation from IDG Capital. This round of financing will drive Sign to expand its technological landscape and accelerate the construction of a global infrastructure for sovereign Blockchains, digital identity, and payment systems, laying the foundation for a trust network in the era of digital governance.

1. Project Background: From Blockchain Innovation to National Digital Infrastructure

Founded in 2021, Sign has been regarded as a “hidden superstar in blockchain infrastructure” by the industry. The core goal of the project is to create a blockchain underlying system that serves government agencies and the public sector, providing secure and verifiable infrastructure for key areas such as digital identity, payment settlement, and government services. Unlike traditional public chains, Sign focuses on the concept of “Sovereign Blockchain (” - it is not just a chain, but a national-level digital trust framework. Through a verifiable identity system and cross-system data interoperability, Sign aims to bring blockchain out of the crypto circle and into the core of national governance and the digital economy.

As of now, Sign has launched cooperation pilot programs in several countries in Asia and the Middle East, including Thailand, South Korea, and some Central Asian countries, with the goal of serving over 50 million users in its first full year of operation and becoming an important node in the global digital identity network.

2. Core Mechanism Analysis: Reconstructing Digital Trust with Security and Interoperability

The core architecture of Sign is based on a high-performance distributed ledger system, combined with zero-knowledge proof )ZK( and cross-chain interoperability protocols, to achieve multi-dimensional security and compliance in data collaboration. Its underlying technology employs Hyperledger Fabric, supplemented by self-developed consensus layer algorithms and a modular privacy framework, allowing Sign to provide verifiable data exchange for cross-departmental collaboration while ensuring privacy. This means that whether it is digital identification, cross-border payments, or government subsidy systems, real-time verification and high-trust data synchronization can be achieved on Sign, truly making “on-chain governance” a reality.

3. Financing Details and Execution Plan: YZi Labs as Lead Investor, IDG Capital Supporting

On October 21, 2025, Sign announced the completion of a $25.5 million strategic financing, led by YZi Labs and with participation from IDG Capital. This is the second round of large-scale funding that Sign has secured within a year, bringing its total financing amount to over $55 million. The funds will mainly be used for three directions:

1. Expand the technical team: Introduce experts in zero-knowledge proofs, cross-chain interoperability, and privacy computing to further strengthen R&D capabilities;
2. Global Layout: Establish localized teams in multiple countries and build cooperative channels with governments and compliance agencies;
3. Ecological Expansion: Collaborating with financial, governmental, and Web3 infrastructure partners to jointly promote the implementation of sovereign Blockchain applications.

CEO Xin Yan stated: “In the past few years, the cryptocurrency industry has made significant technological advances, but there is still a gap before it can reach true societal applications. Our mission is to make Blockchain a bridge of trust between the state and its citizens.”

4. Incentive and Cooperation System: Ecologically Driven Sovereign Network

Sign adopts a three-layer model of “technology openness + government collaboration + community participation” in ecological construction. Its network nodes are jointly maintained by authorized institutions, technology developers, and community contributors, ensuring the system's decentralization and credibility. At the same time, Sign promotes an incentive mechanism based on native Tokens, rewarding nodes and individuals who contribute to network security, data verification, and governance. This mechanism not only makes Sign a technological platform but also evolves into a national-level digital ecology with economic driving force.

5. Technical Innovations: Modular Architecture Integrating Privacy Computing and Cross-Chain Standards

The innovation of Sign lies in its underlying implementation of privacy protection + compliance tracking + multi-chain interoperability achieving a triple balance. Its zero-knowledge proof module can complete identification without exposing user privacy; the cross-chain gateway protocol )Cross-chain Gateway Protocol( allows for data and asset interaction between different national or industry chains. This “modular sovereign chain” architecture means that governments can use Sign to build national blockchain systems within their regulatory frameworks while still remaining interconnected with international digital currencies or the Web3 ecosystem.

6. Competitors and Comparison: The “Third Path” Between Public Chains and Enterprise Chains

In the field of sovereign Blockchain, Sign's positioning differs from traditional public chains and consortium chains. Compared to projects like Ripple and Conflux that focus on financial settlement or enterprise-level applications, Sign emphasizes the role of a “national-level verifiable infrastructure”. It possesses the openness and transparency of a public chain while meeting the strict requirements of regulatory authorities regarding data sovereignty and compliance, forming a “third path” between technological innovation and institutional security.

7. Strategic Recommendations and Risk Alerts: High Barrier Challenges in the Sovereign Track

For investors and developers, the sovereign Blockchain track that Sign operates in features both high barriers and high potential. On one hand, its collaboration with governments and institutions provides unprecedented opportunities for the implementation of Blockchain technology; on the other hand, the uncertainty of policy adjustments and regulatory pace may also affect project progress. It is recommended to pay attention to Sign's project implementation pace in the Asian and Middle Eastern markets, as well as whether it can occupy a dominant position in the formulation of cross-border digital identity standards.

8. Team and Future Outlook: Global Nodes in Digital Governance

The founding team of Sign brings together experts in cryptography, distributed systems, and public governance, who have studied at top institutions such as Harvard and Stanford, and have accumulated rich engineering experience at large technology companies. In the future, Sign plans to launch multiple national-level Blockchain pilot projects within 12 months and promote the standardization of interoperability between digital currency and identification systems, becoming the technological core of global digital governance infrastructure. Xin Yan stated: “We believe that the future of Blockchain does not only belong to finance, but to every country and every citizen.”

Note: The content of this article is for reference only for cryptocurrency users and does not constitute any investment advice. Please research independently and assess risks carefully before participating.