Transaction spam attack: Next Steps
Today the network was attacked by a transaction spam attack that repeatedly called the EXTCODESIZE opcode (see trace sample here), thereby creating blocks...
Announcement of imminent hard fork for EIP150 gas cost changes
During the last couple of weeks, the Ethereum network has been the target of a sustained attack. The attacker(s) have been very crafty...
FAQ: Upcoming Ethereum Hard Fork
The Ethereum network will be undergoing a hard fork at block number 2463000, which will likely occur between 12:00 and 13:00 UTC on...
Security Alert – Mist can be vulnerable when navigating to malicious DApps
Mist leaks some low level APIs, which Dapps could use to gain access to the computer's file system and read/delete files. This would...
Uncle Rate and Transaction Fee Analysis
One of the important indicators of how much load the Ethereum blockchain can safely handle is how the uncle rate responds to the...
Announcing the Ethereum Season of Internships
Every year, the Ethereum ecosystem welcomes thousands of builders through community events, hackathons, courses, bootcamps, and campus clubs. However, many newcomers struggle to...
CVE-2025-30147 – The curious case of subgroup check on Besu
Thanks to Marius Van Der Wijden for creating the test case and statetest, and for helping the Besu team confirm the issue. Also,...
Allocation Update – Q1 2025
Community & educationAccount Abstraction Afterhours - Season 2Mirko Garozzo & Francesco AndreoliProducing educational videos with thought leaders in the account abstraction ecosystem, with...
Announcing the Trillion Dollar Security Initiative
Ethereum is the most secure blockchain ecosystem. This is the result of 10 years of progress and iteration across every level of Ethereum’s...
Partial history expiry announcement | Ethereum Foundation Blog
As of today, all Ethereum execution clients support partial history expiry in accordance with EIP-4444. While work on full, rolling history expiry is...
