January 27, 2026
Ethereum

Advanced Contract Programming Example: SchellingCoin

Writing effective decentralized applications in Ethereum is at the same time easy and hard. The easy part we all know: rather than needing to create your own blockchain, manage complicated database code, deal with networking and NAT traversal, or any of the other complexities involving writing a peer-to-peer app from scratch, you can write code

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Ethereum

On Stake | Ethereum Foundation Blog

The topic of mining centralization has been a very important one over the past few weeks. GHASH.io, the Bitcoin network’s largest mining pool, has for the past month directed over 40% of the Bitcoin network’s hashpower, and two weeks ago briefly spiked over 50%, theoretically giving it monopoly control over the Bitcoin network. Although miners

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Ethereum

Background on the mechanics of the ether pre-sale

During the run-up to the ether sale we will be releasing a series of blog posts regarding our development plans and intended organizational structure. Today we describe some of the background details of the ether sale module.  The sale module will be displayed on our website at https://www.ethereum.org for the duration of the sale. What

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Ethereum

Toward a 12-second Block Time

One of the annoyances of the blockchain as a decentralized platform is the sheer length of delay before a transaction gets finalized. One confirmation in the Bitcoin network takes ten minutes on average, but in reality due to statistical effects when one sends a transaction one can only expect a confirmation within ten minutes 63.2%

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Ethereum

the ethereum project: learning to dream with open minds

“And those who were seen dancing were thought to be insane by those who could not hear the music.” Friedrich Nietzsche Ethereum as a project is more than just a technology, even if technology is at its core. In the rush of creating, co-creating and debugging everything you sometimes lose sight of the bigger picture.

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Ethereum

Ethereum and Oracles | Ethereum Foundation Blog

One of the more popular proposals for implementing smart contracts differently from the way they are typically presented in Ethereum is through the concept of oracles. Essentially, instead of a long-running contract being run directly on the blockchain, all funds that are intended to go into the contract would instead go into an M-of-N multisig

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Ethereum

Allocation Update – Q4 2025

Community & education Cal Hacks 12.0 Collegiate hackathon organized at the University of California, Berkeley covering themes such as AI and web3. Community & education Destino Devconnect Grants round focused on supporting community-led events and initiatives that help bring Argentina and the broader Latin America region onchain. Community & education ETH Latam Hackathon Brasil 2025

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Ethereum

Launching the Ether Sale | Ethereum Foundation Blog

First of all, I would like to thank the community, and especially those close to the project who have in many cases abandoned their jobs to dedicate their time to it, for their extreme patience regarding the launch of the ether sale. We have been promising that the sale would arise in two weeks for

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Ethereum

Ether Purchase Troubleshooting | Ethereum Foundation Blog

Although we hope that the ether purchasing experience goes smoothly for everyone, we recognize that there will always be situations where things do not quite go as planned. Perhaps your internet connection dies in the middle of your purchase. Perhaps you accidentally click a back button or some link or simply hit refresh while the

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