Author: Michael Johnson
As previously announced, the Holešky testnet has reached its planned end-of-life date and will be sunset shortly. The vast majority of remaining validator nodes will be shut down 2 weeks after the Fusaka upgrade has finalized on Holešky. After this, Holešky will no longer be supported by client, testing or infrastructure teams. Following the launch of the Hoodi testnet in March 2025, infrastructure providers and staking operators have had the opportunity to migrate their testing operations. Background Holešky was launched in 2023 as Ethereum’s largest public testnet, designed specifically for testing staking infrastructure and validator operations at scale. The network…
Over the past few years, the Ethereum ecosystem has grown in depth, diversity, and maturity. Builders and communities worldwide have pushed the boundaries of what’s possible, creating new tools, protocols, and public goods that strengthen the network as a whole. As the ecosystem grows, our approach to supporting it must adapt as well. Today, we’re excited to share the next step in that journey: the Ecosystem Support Program’s (ESP) new grants program. This announcement builds on our earlier update, where we temporarily paused open grant applications to reassess our priorities and funding approach. During this time, we focused on designing…
The moved assets included StakeWise Staked Ether (OSETH), Wrapped Ether (WETH), and Lido wstETH (wSTETH). In September 2023, Balancer suffered a phishing attack that resulted in a loss of about $238,000. A separate August exploit drained nearly $1 million after a vulnerability was found in Balancer’s liquidity pools. A suspected exploit involving nearly $70 million worth of digital assets has once again placed Balancer, one of Ethereum’s leading decentralised exchanges, under scrutiny. The incident has reignited debate over the security of decentralised finance (DeFi), where transparency and automation often coexist with deep structural vulnerabilities. It also shows how core DeFi…
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In an effort to bring the community more information about the going-ons at Ethereum, we’re planning to release semi-weekly updates of project progress. I hope this provides some high-level information without having to live on GitHub 😉 The Go and C++ teams have daily standups and are making regular progress along with several other improvements around the ecosystem. Concurrent with this, the teams are gearing up for DEVCON1, preparing talks and presentations along with finalizing more details in the coming weeks. If you haven’t already registered, visit https://devcon.ethereum.org/ to join the fun next month in London. Now on to the updates… Mist Hoping…
Over the last five days, myself, our executive director Ming Chan, and several others from the Ethereum team and Ethereum-based projects and businesses including Maker, String/Dfinity and Consensys have been visiting China and Hong Kong, where there have been a series of back-to-back conferences and events most notably including the Blockchain Workshop in Hong Kong on Oct 11-13 and the “First Global Blockchain Summit” in Shanghai organized by our friends at Wanxiang on Oct 15-16, while at the same time continuing to work on our usual tasks of research, development, planning DEVcon and administrative matters. Both conferences proved to be,…
Summary: Erroneous implementation of BLOCKHASH can trigger a chain reorganisation leading to consensus problems Affected configurations: All geth versions up to 1.1.3 and 1.2.2. All eth versions prior to 1.0.0. Likelihood: Low Severity: Medium Impact: Medium Details: Both C++ (eth) and Go (geth) clients have an erroneous implementation of an edge case in the Ethereum virtual machine, specifically which chain the BLOCKHASH instruction uses for retrieving a block hash. This edge case is very unlikely to happen on a live network as it would only be triggered in certain types of chain reorganisations (a contract executing BLOCKHASH(N – 1) where…
London, United Kingdom, October 22nd – The Ethereum Foundation is pleased to announce the Keynote Speaker of Ethereum’s annual conference DΞVCON1, Nick Szabo. Nick’s keynote will focus on the history of the blockchain, smart contracts and assets on the blockchain. Nick is a computer scientist, legal scholar and cryptographer known for his research on digital contracts and digital currency. The phrase and concept of “smart contracts” was developed by Szabo with the intent of merging contract law into programming protocols on the Internet. Recently, Szabo contrasted the use of smart contracts on Ethereum in relation to the Bitcoin blockchain, “If…
London, United Kingdom, October 28th – Ethereum is happy to announce that Microsoft will sponsor and attend DΞVCON1, the premier Ethereum developer conference. Marley Gray, Director of Technology Strategy US Financial Services at Microsoft said, “Microsoft is excited to sponsor and attend Ethereum’s DevCon1. We find the Ethereum blockchain incredibly powerful and look forward to collaborating within the Ethereum Community. We see a future where the combination of Microsoft Azure and Ethereum can enable new innovative platforms like Blockchain-as-a-Service. This will serve as an inflection point to bring blockchain technology to enterprise clientele”. Ethereum founder Vitalik Buterin notes “DΞVCON1 is…
With DEVCON1 a mere week away, the teams are excited and preparing to share all the great tools and technology the ecosystem has to offer. There will be hundreds of developers and dozens of talks including Nick Szabo, Vitalik Buterin, and Marley Gray from Microsoft. Tickets are limited and we anticipate selling out, so if you haven’t already registered, head on over to https://devcon.ethereum.org to secure your spot now! cpp-ethereum TurboEthereum released 1.0.0 of the C++ tools. Work has been done on state trie pruning and upgrading network protocols (PV 62 & 63). Several Mix bugs have been fixed and…