Log inSign up
Image
user avatar
Sigma Prime
@sigp_io
Securing critical blockchain systems since 2016. Creators of Lighthouse. Audits for complex, high-stakes Web3 systems, infrastructure, ZK and smart contracts.
Sydney, Australia
sigmaprime.io/contact
Joined November 2017
96
Following
11.3K
Followers
  • user avatar
    Sigma Prime
    @sigp_io
    Oct 8, 2021
    This week, #Ethereum researchers and core developers met in person to work on the transition to Proof-of-Stake. This upgrade, also known as "The Merge", will reduce the energy consumption of the network by 99.8% Here's a short thread on what was achieved throughout the week 🧵👇
  • user avatar
    Sigma Prime
    @sigp_io
    Mar 25, 2021
    🎉🎉 Lighthouse produced its first #Eth1 & #Eth2 merge transaction 🎉🎉 This is an ETH tx using *only* proof-of-stake validators. A step towards a 99.98% drop in Ethereum energy consumption 🌏🌲🌄 Credits to @gballet, @mkalinin2 & @Teku_Consensys! Important qualifications 👇
    Image
  • user avatar
    Sigma Prime
    @sigp_io
    Jun 25, 2025
    Sigma Prime is hiring 🚀 We’ve just added 3 roles to our GitHub - Blockchain Security Intern - Rust Engineer - DevOps Engineer Help shape the future of web3 with us 👇
    36K
  • user avatar
    Sigma Prime
    @sigp_io
    Nov 25, 2020
    About 10 hours ago #Lighthouse released its first major version: v1.0.0 ✨ Lighthouse has endured 2.5yrs of development, two external security reviews and relentless fuzzing. We are prepared for mainnet. Thank you to all contributors 🙏
    Image
    Release Rick Sanchez · sigp/lighthouse
    From github.com
  • user avatar
    Sigma Prime
    @sigp_io
    Mar 4, 2025
    Vitalik loves light clients and we do too: Lighthouse is enabling 𝐥𝐢𝐠𝐡𝐭 𝐜𝐥𝐢𝐞𝐧𝐭 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 𝐛𝐲 𝐝𝐞𝐟𝐚𝐮𝐥𝐭, making trust-minimised consumers (i.e. wallets) more viable than ever! With this rollout the share of beacon nodes providing light client data is
    Image
    40K
  • user avatar
    Sigma Prime
    @sigp_io
    Dec 10, 2019
    We're very excited to announce the first Eth2 public testnet with a mainnet configuration lighthouse.sigmaprime.io/update-19.html This also marks the first release of Lighthouse! We went straight to production specs to tackle the biggest engineering challenges as early as possible. Thread 👇
  • user avatar
    Sigma Prime
    @sigp_io
    Apr 27, 2021
    In the aftermath of mainnet's first hiccup, @sproulM_ makes a case for why Lighthouse should be the client of choice for #Ethereum stakers lighthouse.sigmaprime.io/switch-to-ligh…
  • user avatar
    Sigma Prime
    @sigp_io
    Sep 19, 2025
    We just wrapped up a security review of @berachain's dual execution client implementation using Reth SDK + Go-Ethereum for their BRIP-0004 enshrined rewards system. 🛡️ Client diversity wins: ➡️ Differential fuzzing between bera-reth & bera-geth caught consensus bugs that
    26K
  • user avatar
    Sigma Prime
    @sigp_io
    Jan 20, 2021
    The latest #Lighthouse blog post summarizes the state of #Eth2 research/engineering and provides direction for the Lighthouse project over the coming year. A recommended read for anyone interested in Eth2 or running Lighthouse! lighthouse.sigmaprime.io/update-33.html
  • user avatar
    Sigma Prime
    @sigp_io
    Jul 18, 2024
    Have you ever heard about Hidden Overflow in Solidity? Let's explore this vulnerability and how to prevent it! Consider this function: It appears to be safe at first glance. However, there is a hidden overflow here. Let's dive in!
    Image
    13K
  • user avatar
    Sigma Prime
    @sigp_io
    Aug 19, 2020
    🐞 We've just published our latest #Eth2 fuzzing update! 🐞 - Community fuzzing identified 4 new bugs/crashes on 3 different clients - Structural differential fuzzing uncovered 1 consensus-related bug
    Image
    Beacon Fuzz - Update #07 | Sigma Prime
    From sigmaprime.io
  • user avatar
    Sigma Prime
    @sigp_io
    May 9, 2025
    The Ethereum network has just enabled validator consolidations. If you're running a Lighthouse VC, you can consolidate in just a few clicks with our UI, Siren 😏
    Image
    4.8K
  • user avatar
    Sigma Prime
    @sigp_io
    Jul 16, 2025
    Ever stared at 500k+ lines of blockchain node code wondering where to even start? We've been there. Reviewing core node implementations can be particularly challenging due to their complexity and scale.
    9.6K
  • user avatar
    Sigma Prime
    @sigp_io
    Oct 8, 2021
    Replying to @sigp_io
    We'd like to thank @TimBeiko , @trent_vanepps and @dannyryan for organising this great event. We're also very grateful to the generous sponsor for bringing us together. The progress made this week is astonishing. The future of #Ethereum is now.