YZi Labs, formerly known as Binance Labs, has led a $25.5 million strategic investment round in Sign, a blockchain company specializing in token distribution and verifiable digital credentials. This follows an initial $16 million investment in December 2024, bringing Sign's total funding to over $55 million across seed, Series A, and strategic rounds.
Founded in 2021, Sign has grown to serve over 50 million users and 200 projects through products like EthSign and TokenTable, which have processed billions in token transactions. The company's omni-chain attestation protocol supports national-scale applications, including Sign Pass, an on-chain "Green Card" developed with the Government of Sierra Leone.
With the new capital, Sign will expand its focus on sovereign blockchain infrastructure, including partnerships with BNB Chain to develop compliant infrastructure for national stablecoins, positioning BNB Chain as a settlement layer. Sign's whitepaper, Sovereign Infrastructure for Global Nations (S.I.G.N.), outlines plans to deliver blockchain-based public services to 40 million people within a year.
CEO Xin Yan stated, "The crypto industry is rich in technology but poor in adoption. Our mission is to build digital infrastructure for sovereign nations, covering money systems, credentials, and governance." The funding will also fuel team growth, with hires in Hyperledger Fabric, zero-knowledge proofs, and interoperability, and establish local teams in countries like Thailand, South Korea, and regions in Central Asia and the Middle East.
YZi Labs' partner Dana H. added, "Sign's work on BNB Chain is redefining blockchain's role in society. From enterprises to entire nations, this evolution is what digital sovereignty truly means." Sign aims to implement national-level digital currency systems ahead of competitors like Ripple and Solana.
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