Cryptocurrency

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…

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 releas…

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 thu…

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…

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 di…

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…

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 …

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…

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,…

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…

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…

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…

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…

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…

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…

After an intensive recruitment period, the Ethereum Foundation has selected an Executive Director and named three members to the Board of Directors. This is a new organizational structure, which will allow us to focus on our next phase of development. …

A few minutes ago, many of you generated and loaded the Ethereum Genesis block, marking the inception of Frontier, the first Live release of the Ethereum project. The Dev team joins me in thanking each and everyone of you for your support during the p…

Genesis is roughly 4 hours away, here are a few last minute pointers for those preparing: All clients are functional on all platforms and build to completion: http://ethereum-buildboard.meteor.com/ Please note that it will take a little while (10-100…

An update as promised: all systems are now ‘Go’ on the technical side (pun intended) and we intend to release Frontier this week. Thank you to everyone who provided feedback on my previous blog post. What became apparent is that prior to the big day, …

We are only days away from launching ‘Frontier’, the first milestone in the release of the Ethereum project. Frontier will be followed by ‘Homestead’, ‘Metropolis’ and ‘Serenity’ throughout the coming year, each adding new features and improving the us…