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 b…

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 forthc…

On Anti-Pre-Revelation Games

An increasing number of proposed applications on top of Ethereum rely on some kind of incentivized, multi-party data provision – whether voting, random number collection, or other use cases where getting information from multiple parties to increase de…

Olympic Rewards Announced

ETH DEV would like to thank everyone for their participation in the Olympic test network, which helped us greatly in stress testing, optimization, and finding bugs in the Ethereum clients, as well as determining what the limits of the current Ethereum …

Security alert [consensus issue]

This alert is related to a consensus issue that occurred on the Frontier network at block 116,522, mined on 2015-08-20 at 14:59:16+02:00 – Issue has been fixed, see “Fix” below. Impact: High Issue description: State database consensus issue in geth w…

An Analysis of the First 100000 Blocks

After a successful launch, Frontier passed it’s 100000th block earlier this week. Here are some interesting stats from these first blocks. The first 50 block times (in seconds): Right after genesis, it took 29 seconds for the second block to appear,…

Chain Reorganisation Depth Expectations

This following shows our current and planned expectations concerning maximum likely chain-reorganisation depth. We would not consider transactions within this depth to have an exceptionally high chance of being permanent. These are our own expectations…

Security Alert 1 [windows+alethzero]

This affects users of Alethzero GUI client on Windows. Users of eth CLI client or not on the Windows platform are unlikely to be affected but should take action detailed below. Users of Frontier command line interface geth are unaffected. Issue descri…

On Public and Private Blockchains

Over the last year the concept of “private blockchains” has become very popular in the broader blockchain technology discussion. Essentially, instead of having a fully public and uncontrolled network and state machine secured by cryptoeconomics (eg. pr…

Ethereum Protocol Update 1

Here comes the first Frontier patch, and this is a big one! Before you go further, if your keys date back from Go 1.0 rc or C++ 0.9.36, note that you should regenerate all of your keys NOW. Though some releases of the pre-alpha and alpha clients are s…

The Thawing Frontier

After a smooth launch, please find a few updates of note below. These probably will be of interest only to the more advanced users amongst you – if you’re not a miner, there is nothing to action. Epoch switch in 2 hours Let’s start with a quick heads…

Introducing Casper “the Friendly Ghost”

Hi everyone – Vlad here. I’ve been working on the analysis and specification of  “proof-of-stake” blockchain architecture since September 2014. While Vitalik and I haven’t agreed on all of the details of the spec, we do have consensus on many propertie…

Bitcoin: Securing The Network

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