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Devcon4 Announcement

Posted byuserHudson Jameson on May 11th, 2018.

Přátelé, Now that we’re well into the year, we know that many of you have started to plan ahead for changing weather, holiday celebrations, and (of course) Devcon! We’re excited to announce today that Devcon4 will take place in Prague from 30 October – 02 November of this year. The first iteration of this conference […]

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Announcing May 2018 Cohort of EF Grants

Posted byuserEthereum Team on May 2nd, 2018.

Thank you all for applying, and we’re excited to announce the latest Ethereum Foundation grants! We funded 22 recipients for a total of $2.84M. Apply here for the next round! 🦄 Background The Ethereum project seeks to support useful dapps and smart contracts on the Ethereum blockchain, and the goal of the Ethereum Foundation is […]

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Announcing World Trade Francs: The Official Ethereum Stablecoin

Posted byuserVitalik Buterin on April 1st, 2018.

We have long recognized that in order for cryptocurrency to reach mass adoption, a form of cryptocurrency that has higher price stability than existing cryptocurrencies like BTC and ETH would be needed so that people can use the currency to store funds and engage in commerce without worrying about their monthly salary dropping by 57% between […]

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Announcing Beneficiaries of the Ethereum Foundation Grants

Posted byuserEthereum Team on March 7th, 2018.

We’re excited to share the results of the first wave of grants from the Ethereum Foundation. As a reminder, the Ethereum project seeks to support useful dapps and smart contracts on the Ethereum blockchain, and the goal of the Ethereum Foundation is to empower developers with best-in-class R&D, developer experience, and education. Despite the early […]

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zkSNARKs in a nutshell

Posted byuserChristian Reitwiessner on December 5th, 2016.

The possibilities of zkSNARKs are impressive, you can verify the correctness of computations without having to execute them and you will not even learn what was executed – just that it was done correctly. Unfortunately, most explanations of zkSNARKs resort to hand-waving at some point and thus they remain something “magical”, suggesting that only the […]

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Analysis of Storage Corruption Bug

Posted byuserChristian Reitwiessner on November 9th, 2016.

This blog post provides an update on our findings following the discovery of the storage corruption bug last week. In summary, the bug was much less severe than we initially thought. The small number of affected contracts we found is either only exploitable by the owner, or the exploit can only cause a disruption in the user interface and not […]

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Security Alert – Solidity – Variables can be overwritten in storage

Posted byuserChristian Reitwiessner on November 1st, 2016.

Summary: In some situations, variables can overwrite other variables in storage. Affected Solidity compiler versions: 0.1.6 to 0.4.3 (including 0.4.4 pre-release versions) Detailed description: Storage variables that are smaller than 256 bits are packed together into the same 256 bit slot if they can fit. If a value larger than what is allowed by the […]

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The Ethereum network is currently undergoing a DoS attack

Posted byuserJeffrey Wilcke on September 22nd, 2016.

URGENT ALL MINERS: The network is under attack. The attack is a computational DDoS, ie. miners and nodes need to spend a very long time processing some blocks. This is due to the EXTCODESIZE opcode, which has a fairly low gasprice but which requires nodes to read state information from disk; the attack transactions are […]

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Dev Update: Formal Methods

Posted byuserChristian Reitwiessner on September 1st, 2016.

Today, I am delighted to announce that Yoichi Hirai (pirapira on github) is joining the Ethereum project as a formal verification engineer. He holds a PhD from the University of Tokyo on the topic of formalizing communicating parallel processes and created formal verification tools for Ethereum in his spare time. In his own words: I’m […]

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Onward from the Hard Fork

Posted byuserVitalik Buterin on July 26th, 2016.

The foundation has committed to support the community consensus on the admittedly difficult hard fork decision. Seeing the results of various metrics, including carbonvote, dapp and ecosystem infrastructure adoption, this means that we will focus our resources and attention on the chain which is now called ETH (ie. the fork chain). That said, we recognize […]