0xJeff is an independent researcher, investor, and author focused on the intersection of Web3, AI, and DeFi, known for sharing insights drawn from over 200 conversations with founders and builders. 0xJeff's Twitter Score is 298 out of 1000 (an Excellent rating) as of July 2026, ranking #1,198 (top 0.5%) among 389,587 tracked accounts.
0xJeff began his career in traditional finance, working in private equity and venture capital before entering the Web3 space in 2021 to explore DeFi. He was previously affiliated with Spartan Group. In 2023, he transitioned to working as an independent researcher and investor, building a small multidisciplinary team around his work.
0xJeff publishes on Substack, where his writing includes series such as No BS AI and The After Hour, covering developments at the crossroads of Web3, AI, and decentralized finance. His account has accumulated 80,716 followers as of July 2026 and 9,804 posts. 0xJeff has been mentioned by 188 accounts, with 420 total mentions.
Who follows 0xJeff on X?
The accounts that follow 0xJeff include 1,003 founders, 231 angel investors, 823 influencers and 21 VCs, among them Erik Voorhees, Ansem, Laura Shin, Threadguy, Andrew Kang and smolting wassie, verse.