The Sign (SIGN) project team, originating from the original EthSign team, core members' public information is as follows:

👨‍💼 Core founder

- Xin Yan (闫欣) — CEO & Co-founder

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- Background in Electronic Engineering, early miner, crypto VC

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- Established EthSign (the predecessor of Sign) in 2020

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- Responsible for strategy and global partnerships (Middle East, Southeast Asia)

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- Potter Li — Co-founder

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- Technical lead, former chief engineer of a Silicon Valley blockchain startup

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- Specializing in cross-chain and zero-knowledge proofs (zk-Attestation)

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- Jack Xu (Jack X) — CTO & Co-founder

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- USC Blockchain Lecturer

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- Former Fidelity, General Motors Software Engineer

🔧 Core Team Members

- Claire Ma — Product Head

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- Ziqi Jerry Zhou — Product

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- Russell Sumarli — Business Development

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- Timothy M. Lee — COO

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- Ethan Lippman — Product Manager

💰 Investors (Strong Endorsement)

- Sequoia Capital, YZi Labs (formerly Binance Labs), Circle

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- Animoca Brands etc.

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- Total Funding: ~28.65 million USD

✅ Summary

- Strong Team Background: Technology + Product + Business Complete, Silicon Valley/Big Company Experience

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- Solid Track: On-chain Certification, Signatures, Identity (DID)