Sigma Prime

Sigma Prime

Info security and blockchain system design

Overview

Sigma Prime provides information security, blockchain expertise, and system design to help clients operate securely and efficiently in high-risk and dynamic environments, such as cryptocurrencies and distributed ledgers. A core effort is Lighthouse, an open-source Ethereum 2.0 client written in Rust, which Sigma Prime founded and maintains; the team is heavily involved in Ethereum 2.0 engineering and research. Lighthouse implements the Ethereum 2.0 specification as a Rust-based client that participates in the network’s consensus. Overall, Sigma Prime aims to influence how people use computers to cooperate and communicate by advancing secure, scalable blockchain and system design.

About Sigma Prime

Simplify's Rating
Why Sigma Prime is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Cybersecurity

Crypto & Web3

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Sydney, Australia

Founded

2016

Get referred to Sigma Prime

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Sigma Prime completed a security audit of Catalysis Core, marking a major milestone for the Catalysis stack
  • The firm partners with Lunar Strategy to integrate technical security with marketing effectiveness for stronger security-marketing ties
  • Founded in 2018, Sigma Prime is a leading Ethereum smart contract auditor building Lighthouse in Australia's blockchain hub

What critics are saying

  • Rust competition from Prysm and Teku may capture 45–60% institutional validator share within 6–12 months via superior enterprise tooling
  • Least Authority's February audit may reveal Phase 0 DoS vulnerabilities creating single-client attack surface with high regulatory scrutiny
  • Open-source funding dependency on Ethereum Foundation grants risks starving Lighthouse of critical Rust developer hires within 9–12 months

What makes Sigma Prime unique

  • Sigma Prime is an Adelaide-based firm founded in 2018 building Lighthouse, the Rust Ethereum consensus client
  • The firm specializes in Web3 cybersecurity, auditing staking, restaking, and Layer 2 protocols for decentralized systems
  • Sigma Prime leads Ethereum 2.0 engineering and research while maintaining Lighthouse as an open-source Ethereum 2.0 implementation

Help us improve and share your feedback! Did you find this helpful?

Benefits

Remote Work Options

Company News

ChainTech
Jul 17th, 2026
eth2 quick update no. 6.

eth2 quick update no. 6. Welcome to this week's eth2 quick update! A handful of new eth2 testnets have come online and last week I had them all running on my laptop. There is still plenty of work to be done, but this is getting real:). Comprehensive Phase 0 audit to be conducted by Least Authority. Chaintechdaily is excited to announce an upcoming eth2 spec audit to be conducted by Least Authority. This is a comprehensive security audit of the eth2 core Phase 0 specifications focusing on critical items such as Denial of Service (DoS) attacks, resource misuse attacks that could lead to unintended forks/adversarial chains, network related attacks, any attacks that impact funds, and more. Least Authority is a leading expert in mechanism & incentive design, decentralized/distributed systems architecture, and analysis of blockchain systems. The Ethereum Foundation has previously engaged with Least Authority on work in the past such as an audit of discv5 and an analysis of gas economics and proof of work, and Chaintechdaily is excited for this opportunity to work with them again. A comprehensive security audit as critical to a successful launch of Phase 0, and Chaintechdaily eagerly await the initial report to be released in early February. Lighthouse launches testnet with mainnet configuration. Last week, Sigma Prime launched their long-awaited public Lighthouse testnet. This testnet impressively ran the mainnet spec configuration, and at its peak was easily handling 16815 active validators! As stated by Sigma Prime at the launch of this net, "we're going to start trying to crash this testnet and I suspect we'll be successful", and successful they were. After recovering from non-finality of 100+ epochs due to two of their validator-heavy nodes going offline, the Sigma Prime team decided to take down the network to iron out some bugs, work in some new optimizations, and restart fresh soon. Check out the postmortem here. As discussed on today's eth2 call, the team intends to relaunch the testnet tomorrow, opening it up for public use after initial stability testing. Remember to be an active participant in these early testnets if you feel capable: If something isn't clear in the docs, let them know. If you have trouble compiling, open an issue. If there's a typo in the readme, fix it! This goes for all of the clients and for open source software in general. The more you actively give back in this process, the better things will be for everyone. P.S. Sigma Prime is hiring a full-time experienced Rust developer to work on Lighthouse. Check it out! Nimbus integrates native nim-libp2p. Earlier this year, the Ethereum Foundation, Protocol Labs, and Status co-funded a grant for Nimbus to create a native Nim language implementation of libp2p. This implementation was to be integrated into the nimbus eth2 client as well as to become a p2p networking option for resource restricted devices. Chaintechdaily is pleased to announce that Nimbus just recently integrated this native implementation into their codebase and plan on restarting their testnet with it this coming week. This is a huge milestone both for Nimbus and also for the p2p community at large due to Nim's ability to compile succinct and efficient code for most computer architectures. The Nimbus team continues to kill it - they are truly a powerhouse of enginering! P2P all the things! beaconcha.in adds support for Lighthouse. Bitfly's open source eth2 block explorer, beaconcha.in, just added support for Lighthouse! You can give it a look here, but things are currently inactive until Lighthouse reboots their network. Chaintechdaily is super excited to see multiple client implementations being onboarded, aiding in creating common interfaces for external software to query and understand the internals of eth2. This and other tools will be crucial in monitoring, understanding, and interacting with upcoming testnets and eventually mainnet! Eth2 spec release schedule. Chaintechdaily released eth2 spec verson v0.9.3 - rm signing_root and have v0.9.4 with a testing fix and network update in the queue. These are the last in the v0.9.x series of minor updates since the un-freezing of Phase 0 in October. These recent spec releases have been primarily focused on ensuring the Phase 0 Beacon Chain is flexible enough to accommodate the new Phase 1 sharding design, but some clean-ups, bug fixes, enhanced testing, and networking updates have also made it into the changelog. Many of these changes have been informed and driven by the continued client progress on testnets and general readying for mainnet. The next scheduled release is for early January. This v0.10.0 release will be dedicated to the integration of the new BLS standards into the core eth2 specs. The v0.10.x release series with production-grade BLS is planned to be the target for the final testnets and ultimately for mainnet release. There is still work to be done, but there is an all-around heroic effort currently tackling it. Thank (or fund/tip/etc!) the client teams. These engineers are building something truly incredible for Chaintechdaily all :rocket:.

Business News Australia
Nov 2nd, 2024
Blockchain security firm secures prime spot in Sydney Young Entrepreneur Awards

From what began as a passion project in 2016 to build software that secures the Ethereum blockchain, the founders of Sydney tech company Sigma Prime have won the prestigious Sydney Young Entrepreneur of the Year Award with their thriving business that mixes research clout and expert security services for critical web3 projects globally.

BeInCrypto
Apr 25th, 2024
Ethsofia Unveils An Impressive First Cohort Of Speakers, Sponsors, And Partners

Editorial Note: The following content does not reflect the views or opinions of BeInCrypto. It is provided for informational purposes only and should not be interpreted as financial advice. Please conduct your own research before making any investment decisions. Aimed at boosting the Ethereum ecosystem in Bulgaria and promoting Sofia as a thriving Web3 hub, ETHSofia is gearing up for its inaugural edition on October 17-19 at Sofia Tech Park. Carrying out its mission to unify all crypto developers, investors, and enthusiasts alike, the ETHSofia team now presents the first installment of speakers and partners

Recently Posted Jobs

Sign up to get curated job recommendations

Sigma Prime is Hiring for 1 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify. Browse all jobs →