Biography
About
I'm Sujith, a security researcher at Spearbit and the CISO / security advisor of protocols, including Superform and LI.FI. I have over a decade of professional Web3 experience and 3 years in security, having worked with over 25 protocols in 2024. I am passionate about infrastructure security, from the consensus layer to message bridges. Before joining Spearbit full-time, I was the founding engineer of two startups, Superform ($180M+ in TVL) and Streams.
Audit clientele includes Berachain, Optimism Interop, Relay Protocol, Variational Finance, Monad, Blast, ZkSync, LI.FI, Decent, Drips, SuperSushi Samurai, DistrictOne, Omni-X, Centrifuge, Tea.xyz, Paintswap, Bitcorn, Sweep n' Flip, Byzantine Finance, Fantom and Angles.
CTF
- Solved four problems during the Remedy 2025 CTF (placed 2nd).
- Got
FIRST BLOOD
during the 2023 paradigm CTF solving the enterprise blockchains problem (placed 6th). - Broke Socket protocol's data layer during the surge competition in 2023 and bagged $27,000 from their CTF (placed 1st).
OSS + Bug Bounty
- Major contributor to the Uniswap MMA (github.com/MultiMessageAggregation/multibridge) project, working alongside the Uniswap Foundation.
- Major contributor to Pigeon, a cross-chain test suite. (github.com/exp-table/pigeon).
- Wrote EIP-6170 (eips.ethereum.org/EIPS/eip-6170) to streamline the bridge interface.
- Reported
4
vulnerabilities to Hyperlane via Immunefi from 2022 to 2024 - Reported bugs in relay protocol (responsible disclosure, though the project has no bug bounty)
Hackathons
- Won at EthOnline (2022) for building an PoS (Point of Sale) system in solidity.
- Won EthGlobal NYC (2023) for building an execution layer aggregator using Hyperlane.
Audit contest
- Achieved 1st place in the Cork Protocol competition on Cantina.
Top competitions
View allContest | Position | Date | Payout |
---|---|---|---|
incentive-contracts | 5 / 152 | January 2024 | $5,468 |
curvance | 24 / 224 | February 2024 | $2,724 |
opal-contracts | 15 / 183 | February 2024 | $1,018 |
zetachain-protocol | 36 / 335 | August 2024 | $492 |
Soon | 15 / 450 | December 2024 | $438 |
Private reviews
View allEngagement | Project title | Timeframe | Researchers |
---|---|---|---|
Centrifuge | Centrifuge RWA Protocol Audit Summary | October 2023 - October 2023 | |
Drips | drips-monorepo | July 2024 - July 2024 | |
Omni X | omnix-multisender | May 2024 - June 2024 | |
Bitcorn | bitcorn-oft[69d1ec] | December 2024 - December 2024 | |
Bitcorn | bitcorn-oft | November 2024 - November 2024 |
Security portfolio
Title | Description |
---|---|
Li.Fi Protocol | Private audit reports |
Relay Protocol | Invalid message hash issue |
Hyperlane | Permanent DoS |
Hyperlane [Immunefi] | Relayer overpaying gas |
Hyperlane [Immunefi] | Relayer ignoring acknowledgement cost |
Hyperlane [Immunefi] | 32-length tree depth DoS issue |
Socket.tech | Permanent DoS Of Data Layer |
Socket.tech | Random packet signing issue |