December 15, 2025
Ethereum

Security Advisory [Insecurely configured geth can make funds remotely accessible]

Insecurely configured Ethereum clients with no firewall and unlocked accounts can lead to funds being accessed remotely by attackers. Affected configurations: Issue reported for Geth, though all implementations incl. C++ and Python can in principle display this behavior if used insecurely; only for nodes which leave the JSON-RPC port open to an attacker (this precludes

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Ethereum

devcon one postponed until further notice

Unfortunately we were not able to secure the venue for devcon one in London on the dates desired (October 5th-8th). As a consequence we are postponing the event until further notice.  Please do not make travel plans at this time. Updates will be forthcoming on the devcon one website …. Source link

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Ethereum

Security Advisory [Implementation bugs in Go and Python clients can cause DoS – Fixed – Please update clients]

State transition and consensus issue in geth client causes panic (crash) when processing a (valid) block with a specific combination of transactions, which may cause overall network instability if block is accepted and relayed by unaffected clients thus causing a DoS. This may happen in a block that contains transactions which suicide to the block

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Ethereum

Security Alert – [Implementation bug in Go clients causing increase in difficulty – Fixed – Miners check and update Go clients]

Implementation bug in the go client leads to steady increase of difficulty independent of hashing power. Affected configurations: All Go client versions v1.0.x, v1.1.x, release and develop branches. The bug was introduced in a recent update and release through commit https://github.com/ethereum/go-ethereum/commit/7324176f702a77fc331bf16a968d2eb4bccce021 which went into the affected client versions. All miners running earlier mentioned versions are

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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

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

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…. Source link

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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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