CORE VALUES
We pledge to always uphold the highest standards of transparency, trust and talent to ensure that our clients can feel confident in the security services we offer to be the absolute best across the ecosystem.
LEADERSHIP
Meet our team. From building the Solidity compiler and improving the Ethereum Virtual Machine (EVM) to securing the cloud, our backgrounds converge with a shared mission: an unwavering dedication to scaling web3 security.
HariHarikrishnan Mulackal is a cofounder of Spearbit and well-known as one of the best code optimizers in the world of Solidity. Coming from the Ethereum Foundation (joined in 2020), he is a leading expert in the Ethereum compiler and Ethereum Virtual Machine. With a background in mathematics, Hari formerly worked for the Ethereum Foundation building the Solidity language, and has given numerous technical talks and participated in panel discussions at top blockchain industry conferences.
AlexAlex Beregszaszi is a cofounder of Spearbit and possesses a deep level of expertise in the Solidity programming language, the Ethereum Virtual Machine and Ethereum. Since 2015 he was an early contributor to and co-lead of the Solidity team at the Ethereum Foundation, as well as being lead of Ipsilon and Ethereum WebAssembly research teams. Alex has delivered numerous presentations at top industry conferences.
Jake LangJake Lang is a cofounder of Spearbit. Previously, starting 2016, he worked at Ethereum on the Ethereum WebAssembly team (now known as Ipsilon) and has contributed to various improvements to the Ethereum Virtual Machine. He has a background in operating systems, compiler engineering, and cloud security.
Jake LynchJake Lynch is a cofounder of Spearbit. Since 2017, Jake has spent his career in crypto researching protocols, economics and working as an investor.
LSRs
Our Lead Security Researchers are the absolute best in their fields. Rest assured - you’re in great hands.
@alpo
Protocol eng at Osmosis. Helped find and fix multiple live $100M+ security bugs.
Book on Cantina
@axicAlex Beregszaszi
Co-founder of Spearbit and Cantina. Researcher in Ipsilon.xyz. Former co-lead of the Solidity team.
Book on Cantina
@chris
Smart contract and protocol engineer since 2017 with a focus on testing, correctness and security
Book on Cantina
@cmichelChristoph Michel
smart contract security researcher since early 2021, having audited most major DeFi protocols
Book on Cantina
@dmitriiahyh
Independent researcher, LSR Spearbit, top 10 combined C4+Sherlock+Cantina
Book on Cantina
@D-NiceDenis Miličević
Smelted by TradFi, forged for a decade in the fires of blockchain and DeFi.
Book on Cantina
@gumb0Andrei Maiboroda
Researching and developing in Ipsilon team @ EF. Interested in all things Ethereum Execution Layer.
Book on Cantina
@hjorthjortRikard Hjort
Lead security researcher at Spearbit.
Web3 security auditor, formal verifier and Urbit enthusiast
Book on Cantina
@IAm0x520x52
You build it, I break it. Helping to secure $250+ million across 100+ protocols.
Book on Cantina
@jtragliaJustin Traglia
A security researcher interested in cryptography, scaling, and MEV
Book on Cantina
@lonelySloth
hunting bugs since 2019. 3M+ in bounties. zk proofs/circuits, go, rust, c++, solidity, etc
Book on Cantina
@optimumsecOptimum
LSR at Spearbit, Indie researcher. Previously security researcher for a top tier auditing firm.
Book on Cantina
@rodiazet
Programmer, mathematician, researcher. Member of ipsilon EF research team. In ecosystem since 2014.
Book on Cantina
@Saw-mon-and-NatalieSaw-mon and Natalie
Interested to review projects with innovative ideas using higher level mathematics and cryptography.
Book on Cantina
@sorpaasWei Tang
Ethereum and Polkadot core dev.
Author of EIP-2200, SputnikVM, and Frontier.
Book on Cantina
@StErMi
I like to push myself over my limits and always raise the bar of my knowledge and skills.
Book on Cantina
@xmxanuelManuel
Security Researcher | curious, yet I will not forget to pause and ponder
Book on Cantina