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Edge swipes on Safari View Controller! A major update to Simpholders and how to talk to journalists.
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Ethereum Dev Update 2015 / Week 44
With DEVCON1 a mere week away, the teams are excited and preparing to share all the great tools and technology the ecosystem has to offer. There will be hundreds of developers and dozens of talks including Nick Szabo, Vitalik Buterin, and Marley Gray from Microsoft. Tickets are limited and we...
Issue 222
Apple TV day! Good luck if you've shipped an app. Reachability in Swift and taking screenshots on Apple TV.
Microsoft to Sponsor Ethereumβs DEVCON1
London, United Kingdom, October 28th - Ethereum is happy to announce that Microsoft will sponsor and attend DΞVCON1, the premier Ethereum developer conference. Marley Gray, Director of Technology Strategy US Financial Services at Microsoft said, "Microsoft is excited to sponsor and attend Ether...
Issue 221
Submit your tvOS apps! Experimental UI's using 3D Touch and how can GameplayKit be used outside of games?
Nick Szabo Confirmed as Keynote Speaker of Ethereumβs DEVCON1
London, United Kingdom, October 22nd - The Ethereum Foundation is pleased to announce the Keynote Speaker of Ethereumβs annual conference DΞVCON1, Nick Szabo. Nickβs keynote will focus on the history of the blockchain, smart contracts and assets on the blockchain. Nick is a computer scientist, legal scholar and cryptographer known...
Security alert [Implementation of BLOCKHASH instruction in C++ and Go clients can potentially cause consensus issue β Fixed. Please update.]
Summary: Erroneous implementation of BLOCKHASH can trigger a chain reorganisation leading to consensus problems Affected configurations: All geth versions up to 1.1.3 and 1.2.2. All eth versions prior to 1.0.0. Likelihood: Low Severity: Medium Impact: Medium Details: Both C++ (eth) and Go (geth) clients have...
Vitalikβs Research and Ecosystem Update
Over the last five days, myself, our executive director Ming Chan, and several others from the Ethereum team and Ethereum-based projects and businesses including Maker, String/Dfinity and Consensys have been visiting China and Hong Kong, where there have been a series of back-to-back conferences and events most notably including the...
Issue 220
What libraries are used in the top 100 apps? How to do push notifications right? and a checklist for setting up IAPs.
Ethereum Dev Update 2015 / Week 41
In an effort to bring the community more information about the going-ons at Ethereum, we're planning to release semi-weekly updates of project progress. Ihope this provides some high-level information without havingto live onGitHub ;) The Go and C++ teams have daily standups and are making regular progress along with...
Security Advisory [eth (cpp-ethereum) potentially vulnerable if running with UPnP enabled]
Affected configurations: Issue reported for eth (cpp-ethereum).Likelihood: Medium
Issue 219
iPad multitasking drag and drop. Get your peeks and your pops right and is your UI too "Disney"?
Issue 218
Can you test force touch on the simulator or use the taptic engine in your apps? Is the keyboard in iOS 9 finally usable again?
The Evolution of Ethereum
Many of you know that the Ethereum platform grew out of the realization that blockchains can go far beyond currency, together with a frustration with the limitations of previous projects. The core idea was simple: a blockchain with a built-in Turing-complete programming language, allowing users to build any kind of...
More uncle statistics
The following are some interesting results on the performance of different miners over the course of the first 280,000 blocks of the Ethereum blockchain. For this timespan I have collected the list of block and uncle coinbase addresses; raw data can be found here for blocks and here for uncles,...
Issue 217
Ghosts in the App Store. Easier Bluetooth development and leave your ratings and reviews for iOS SDK APIs!
DEVcon is back!
DevCon 1 will be happening in London on November 9-13, a little over one hundred days since the Ethereum network launched. Over the last months, weβve seen the network grow from a few hundred nodes starting on that one exciting and special night to a very substantial, globally deployed stable...
Ethereum Comms Announcement
The foundation is currently in the phase of restructuring its communications activities. Several members of our current communications team in London are soon leaving or reducing their involvement in the Foundation in order to pursue for-profit ventures on top of the Ethereum ecosystem; we wish them the best of luck....
Issue 216
Should you ship with Bitcode now, or wait? Getting UIKit running on the Apple Watch and how to add Quick Actions to your app.
Ethereum Wallet - Developer Preview
We are happy to announce our very first developer-preview of the Ethereum Wallet ΓApp. The point of this release is to gather feedback, squash bugs and, most importantly, get the code audited. Please note that this is a developer-preview and not the final release. We advise you to be...
On Slow and Fast Block Times
One of the largest sources of confusion in the question of blockchain security is the precise effect of the block time. If one blockchain has a block time of 10 minutes, and the other has an estimated block time of 17 seconds, then what exactly does that mean? What is...
Issue 215
Apple TV! Here's everything you need to know to get started.
Security Alert β [Previous security patch can lead to invalid state root on Go clients with a specific transaction sequence β Fixed. Please update.]
Summary: Implementation bug in the go client may lead to invalid state Affected client versions: Latest (unpatched) versions of Go client; v1.1.2, v1.0.4 tags and develop, master branches before September 9. Likelihood: Low Severity: High Impact: High Details: Go ethereum client does not...
Issue 214
iOS GM next week? Validate your web site for iOS 9 spotlight search and are you ready for IPv6?
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 build specifically to enable those who need it the most to...
Security Alert β [Implementation bug in Go clients causing increase in difficulty β Fixed β Miners check and update Go clients]
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 release through commit h...
Security Advisory [Implementation bugs in Go and Python clients can cause DoS β Fixed β Please update clients]
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 thus causing a DoS. This may happen in a block that contains transactions...
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 forthcoming on the devcon one website ....
Rolling out Public Key Pinning with HPKP Reporting
Tab Discarding in Chrome: a Memory-Saving Experiment
Security Advisory [Insecurely configured geth can make funds remotely accessible]
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 display this behavior if used insecurely; only for nodes which leave the JSON-RPC port...
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 decentralization is highly desirable, but also where there is a strong risk of...