Hari (@hrkrshnn) — Twitter Score 147 out of 1000

Hari is a smart contract security entrepreneur and Ethereum compiler expert who co-founded Cantina and Spearbit, serving as CEO of both. Hari's Twitter Score is 147 out of 1000 (an Excellent rating) as of August 2026, ranking #3,893 (top 1%) among 483,944 tracked accounts.

Hari previously worked at the Ethereum Foundation, where he contributed to building the Solidity language, joining in 2020. He is recognized as a leading expert in the Ethereum compiler and the Ethereum Virtual Machine. His open-source work includes projects such as Rust bindings for Solidity's AST, reflecting deep technical engagement with EVM tooling.

Hari co-founded Cantina, which describes itself as an AI-native security platform for identifying, prioritizing, and resolving vulnerabilities across development and production. Cantina's services span smart contract audits, bug bounty programs, security competitions, incident response, and managed detection and response. The platform reports more than 9,000 researchers onboarded, over 200 projects secured, and more than $100 billion in assets secured, with clients including EigenLayer, Coinbase, Uniswap, Aave, and Optimism, among others. Spearbit operates as an elite curated network of security experts available exclusively through Cantina. Hari has 12,742 followers as of August 2026 and has published 4,951 posts, and has been mentioned by 51 accounts a total of 103 times.

Hari's portfolio includes Phylax Systems.

Who follows Hari on X?

The accounts that follow Hari include 499 founders, 132 angel investors and 121 influencers. Among them are Cobie, Toly, Hayden Adams, Kyle Samani, Mert and Joseph Lubin.