Joe Coll is a crypto advisor and co-founder of WITNESS, an onchain R&D company focused on digital ownership and verification whose protocol operates across Ethereum, Optimism, and Base. Joe's Twitter Score is 264 out of 1000 (an Excellent rating) as of July 2026, ranking #1,424 (top 0.5%) among 531,432 tracked accounts.
Joe co-founded WITNESS, which raised a $3.5 million seed round led by Haun Ventures with participation from Coinbase Ventures and angel investors. Joe previously worked at Framework Ventures before moving into his current advisory role.
Joe is an advisor to Maven 11 Capital, where his background spans blockchain and DeFi, including involvement in various DeFi protocols. Joe's account, @0x_Osprey, has accumulated 11,256 followers as of July 2026 across 17,733 posts. Joe has been mentioned by 66 accounts a total of 101 times.
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The accounts that follow Joe include 905 founders, 292 angel investors, 337 influencers and 7 VCs, among them Toly, jesse.base.eth, Laura Shin, Stani, Chris Burniske and Mert.