smart
Jim Posen (@jimpo_potamus) — Twitter Score 73 out of 1000
Great
73Ranked #11,100 of 485,005 crypto accounts tracked by TwitterScore.io
jesse.base.eth
vitalik.eth
Balaji
Fred Ehrsam
Udi Wertheimer
Georgios Konstantopoulos
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About Jim Posen's Twitter Score
Jim Posen is a software engineer and cryptographer who co-founded Irreducible, the company behind the Binius zero-knowledge proof system, which announced it was shutting down in November 2025. Jim Posen's Twitter Score is 73 out of 1000 (a Good rating) as of August 2026, ranking #11,100 (top 5%) among 485,005 tracked accounts.
Jim Posen co-founded Irreducible, which developed the Binius zero-knowledge proof system and raised a $24M Series A co-led by Paradigm and Bain Capital Crypto. Despite that backing, the company announced its closure in November 2025. Previously, Jim Posen worked at Coinbase as a tech lead on the Payments team, where he was an early engineer and helped establish the Protocol team there.
Jim Posen currently maintains Binius64, continuing work in the zero-knowledge proof space. Jim Posen has published 405 posts on the platform and has been mentioned by 50 accounts a total of 80 times.
Who follows Jim Posen on X?
The accounts that follow Jim Posen include 238 founders, 63 angel investors, 58 influencers and 1 VCs, among them Balaji, jesse.base.eth, vitalik.eth, Fred Ehrsam, Udi Wertheimer and Georgios Konstantopoulos.
