Funding Round and Strategic Focus
YZi Labs, formerly known as Binance Labs, has led a strategic funding round for Sign, securing $25.5 million with participation from IDG Capital. This investment brings Sign's total funding to over $55 million, bolstering its efforts in sovereign blockchain infrastructure. The company plans to utilize these funds to enhance talent acquisition in areas like ZK proofs and Hyperledger, expand its local teams, and forge national partnerships to accelerate cryptocurrency adoption at a country level.
Sign's Mission and Technology
Sign is dedicated to architecting blockchain ecosystems specifically designed for governments. Their core technology includes enterprise-grade ledgers based on Hyperledger Fabric, privacy-enhancing zero-knowledge proofs for compliance, and interoperability solutions to connect different blockchain networks. These technologies are applied in practical use cases such as token airdrops, national digital currency prototypes, and the stabilization of their native SIGN token through buybacks. CEO Xin Yan emphasizes the need to bridge crypto's technological capabilities with real-world adoption, stating, "The crypto industry is currently rich in technology but poor in adoption. Investors and our team believe it’s time to unite and tackle the biggest hurdle: engaging with countries." Yan's strategic vision is to deploy "progressive solutions that benefit nations while respecting existing regulations," positioning Sign as a key player in regulatory-compliant blockchain implementation.
Market Position and Competitive Landscape
Sign aims to achieve first-mover status in the implementation of nationwide digital currencies, positioning itself ahead of competitors like Ripple and Solana. The company is actively expanding its ecosystem in Asia and the Middle East, focusing on regulatory compliance. This latest funding round is expected to accelerate Sign's expansion, particularly in strengthening its technical team with expertise in ZK proofs and Hyperledger, and in building localized teams and national partnerships. Sign has already established a presence in Thailand and South Korea, with plans to engage with markets in Central Asia and the Middle East.
According to Blockworks, YZi Labs led a $25.5 million strategic funding round for digital infrastructure firm Sign, with participation from IDG Capital. Including its previous seed and Series A rounds, Sign has now raised over $55 million in total financing.…
— Wu Blockchain (@WuBlockchain) October 21, 2025
Broader Implications for Crypto Adoption
In a crypto landscape increasingly focused on utility over speculation, Sign's emphasis on sovereign ambitions highlights a significant shift. The company's strategy to engage directly with nation-states and navigate regulatory frameworks is seen as a crucial step towards broader cryptocurrency adoption. With global scrutiny on digital assets, Sign's approach could redefine how countries integrate blockchain technology, potentially transforming wary governments into adopters of digital currencies and related blockchain solutions. The recent investment from YZi Labs, marking their post-Binance debut, underscores the strategic importance of Sign's mission in the evolving digital asset space.