Zeng Jiajun is a builder and founder who created Elytro, a self-custodial ERC-4337 smart-contract wallet designed for AI agents, and Cleave, a no-liquidation derivatives protocol. Zeng Jiajun's Twitter Score is 113 out of 1000 (an Excellent rating) as of August 2026, ranking #5,982 (top 5%) among 483,944 tracked accounts.
Zeng Jiajun founded Elytro, previously known as Soul Wallet, which won the Ethereum Foundation Best Account Abstraction Hack at ETHBogotá in October 2022. The project raised $3M in March 2023 and received an Optimism Foundation grant that same month to build an ERC-4337 compatible wallet on Optimism. Elytro has stated it will not issue tokens or airdrops.
Zeng Jiajun also founded Cleave, a no-liquidation derivatives protocol whose testnet is live. Vitalik Buterin has publicly suggested that Cleave conduct formal verification before its mainnet launch.
Zeng Jiajun previously worked at ByteDance, where he worked on content-moderation systems, and was formerly at Meituan, which he has publicly stated he was fired from, before moving into Ethereum development. Zeng Jiajun has 11,892 followers as of August 2026 and has published 26,241 posts. He has been mentioned by 34 accounts a total of 50 times.
Zeng Jiajun's portfolio includes NEBRA.
Who follows Zeng Jiajun on X?
The accounts that follow Zeng Jiajun include 362 founders, 125 angel investors, 114 influencers and 6 VCs. Among his notable followers are vitalik.eth, Toly, Laura Shin, Joseph Lubin, Polymarket and Tarun Chitra.