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.
The link will open a new window. Click the menu and down arrow to download the file.
Podcasts available on
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
If you enjoyed the show please subscribe to the Crypto Conversation and give us a 5-star rating and a positive review in whatever podcast app you are using.
Disclaimer: Any educational content, market commentary, research, analysis, forecasts, coaching, training, or opinions provided by independent third parties do not represent the views of Plus500. Plus500 provides self-trading execution-only services and does not provide asset management nor investment, financial, legal, or tax advice. Plus500 accepts no responsibility or liability for any decisions made or losses incurred as a result of reliance on information, research, educational materials, coaching, or services provided by third parties.





