jac0xb (@jacobdotsol) — Twitter Score 87 out of 1000

Jac0xb is a Solana engineer and open-source protocol builder who created Lighthouse, an assertion protocol designed to protect users from wallet-drain attacks and simulation-spoofing on Solana. Jac0xb's Twitter Score is 87 out of 1000 (a Good rating) as of September 2026, ranking #8,824 (top 5%) among 487,551 tracked accounts.

Jac0xb works at Fin, formerly known as TipLink, as an engineer. Per its December 2025 announcement, Fin raised a $17 million Series A led by Pantera Capital, with participation from Sequoia and Samsung Next. Jac0xb previously worked at TipLink before the company rebranded to Fin.

Jac0xb founded Lighthouse, an open-source protocol built on Solana that lets developers embed assertions into transactions, guarding against wallet-drain exploits and spoofed simulations. Beyond building, Jac0xb has been an active voice in the Solana community on topics spanning NFTs, wallet security, and broader ecosystem developments. Jac0xb's account has published 15,956 posts and has 9,590 followers as of September 2026.

Jac0xb has been mentioned by 37 accounts, with 63 total mentions across the platform.

Who follows Jac0xb on X?

The accounts that follow Jac0xb include 288 founders, 61 angel investors and 183 influencers, among them Toly, Solana, Kyle Samani, Mert, Tarun Chitra and Matthew Graham.