Sign - Sovereign Infrastructure for Global Nations

Xin Yan is the Co-founder and CEO of Sign, a blockchain technology company leading the industry in token distribution and verifiable credentials, now focused on building blockchain infrastructure for nations and enterprises. He began his career as a hardware engineer before becoming a crypto venture capitalist, and now leads Sign's vision to build national-scale blockchain infrastructure.

Why you should listen

The core offering of Sign Global is built around the Sign Protocol — a multi-chain attestation framework that allows users to submit, verify and manage on-chain attestations of real-world or digital claims. This is an infrastructure layer for trust, identity and verification across "Web 3" ecosystems, designed to reduce reliance on centralised authorities by making attestations transparent and accessible. 

In addition to the protocol itself, Sign Global offers tools and services built atop that infrastructure. For example, they highlight developer-friendly integrations that span multiple blockchain networks (Solana, Aptos, TON, others), and features including "TokenTable" and "EthSign" (contract signing tools) as components of their stack. 

Finally, from a business reach perspective, Sign served over 50 million users and facilitated more than US$2 billion in digital-asset transactions via its platform. 

Supporting links

Fidelity Crypto Careers 

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