October 27, 2026
Ethereum

A message from Stephan Tual

To the wonderful Ethereum Community, You often heard me say at conferences that Ethereum was not a company, a foundation, an implementation, or an individual. Ethereum is both an idea and an ideal, encompassing the first censorship-resistant network build specifically to enable those who need it the most to safely trade, privately self-organise and freely

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Ethereum

Security Alert – [Previous security patch can lead to invalid state root on Go clients with a specific transaction sequence – Fixed. Please update.]

  Summary: Implementation bug in the go client may lead to invalid state Affected client versions: Latest (unpatched) versions of Go client; v1.1.2, v1.0.4 tags and develop, master branches before September 9. Likelihood: Low Severity: High Impact: High Details: Go ethereum client does not correctly restore state of execution environment when a transaction goes out-of-gas

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Ethereum

Glamsterdam Hoodi Testnet Announcement | Ethereum Foundation Blog

Following its activation on Sepolia on October 6, the Glamsterdam network upgrade is now scheduled for the Hoodi testnet. Glamsterdam advances Ethereum’s L1 scaling roadmap with enshrined proposer-builder separation, block-level access lists, and changes to gas pricing that better reflect the cost of execution and state growth. The Glamsterdam network upgrade is scheduled to activate

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Ethereum

On Slow and Fast Block Times

One of the largest sources of confusion in the question of blockchain security is the precise effect of the block time. If one blockchain has a block time of 10 minutes, and the other has an estimated block time of 17 seconds, then what exactly does that mean? What is the equivalent of six confirmations

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Ethereum

Ethereum Wallet – Developer Preview

We are happy to announce our very first developer-preview of the Ethereum Wallet ÐApp. The point of this release is to gather feedback, squash bugs and, most importantly, get the code audited. Please note that this is a developer-preview and not the final release. We advise you to be extremely careful putting large amount of

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Ethereum

Ethereum Comms Announcement | Ethereum Foundation Blog

The foundation is currently in the phase of restructuring its communications activities. Several members of our current communications team in London are soon leaving or reducing their involvement in the Foundation in order to pursue for-profit ventures on top of the Ethereum ecosystem; we wish them the best of luck. And so, we have both

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Ethereum

DEVcon is back! | Ethereum Foundation Blog

DevCon 1 will be happening in London on November 9-13, a little over one hundred days since the Ethereum network launched. Over the last months, we’ve seen the network grow from a few hundred nodes starting on that one exciting and special night to a very substantial, globally deployed stable platform with thousands of devs

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Ethereum

More uncle statistics | Ethereum Foundation Blog

The following are some interesting results on the performance of different miners over the course of the first 280,000 blocks of the Ethereum blockchain. For this timespan I have collected the list of block and uncle coinbase addresses; raw data can be found here for blocks and here for uncles, and from this we can

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Ethereum

The Evolution of Ethereum | Ethereum Foundation Blog

Many of you know that the Ethereum platform grew out of the realization that blockchains can go far beyond currency, together with a frustration with the limitations of previous projects. The core idea was simple: a blockchain with a built-in Turing-complete programming language, allowing users to build any kind of applications on top. Over time,

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Ethereum

Security Advisory [eth (cpp-ethereum) potentially vulnerable if running with UPnP enabled]

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