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Harry Kalodner (💙,💙) (@hkalodner) — Twitter Score 155 out of 1000
Score generated by TwitterScore.io based on the popularity of this account in crypto space
jesse.base.eth
toly 🇺🇸
ZachXBT
Laura Shin
Anthony Pompliano 🌪
threadguy
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About Harry Kalodner (💙,💙)'s Twitter Score
Harry Kalodner is a blockchain researcher and engineer who co-founded Offchain Labs and Arbitrum, serving as CTO of Offchain Labs. Harry Kalodner's Twitter Score is 155 out of 1000 (an Excellent rating) as of July 2026, ranking #4,186 (top 5%) among 389,587 tracked accounts.
Harry Kalodner co-founded Offchain Labs, the development team behind the Arbitrum scaling protocol, and continues to serve as its CTO. Offchain Labs has raised $124M in capital and grown to more than 150 team members. The ARB token and Arbitrum DAO launched in 2023, transitioning the network to community governance.
Harry Kalodner has contributed to blockchain research beyond protocol development. He co-authored the BlockSci paper, presenting an open-source blockchain analysis platform, and co-authored a separate paper titled "When the cookie meets the blockchain," examining privacy risks associated with web payments made via cryptocurrencies. Both papers were published in 2017.
Harry Kalodner has accumulated 10,562 followers as of July 2026 and published 1,352 posts. He has been mentioned by 62 accounts, with 117 total mentions.
Who follows Harry Kalodner on X?
The accounts that follow Harry Kalodner include 430 founders, 138 angel investors, 210 influencers and 10 VCs. Among them are Toly, jesse.base.eth, ZachXBT, Laura Shin, Anthony Pompliano and Threadguy.
