Stay Updated with the Latest Tech News


Get ahead of the curve with the latest insights, trends, and analysis in the tech world.


Browse by Category

Issue 257

iCloud Core Data has finally been deprecated? How to interactively animate a blur radius and more conference videos than you'll have time to watch!

Published on: July 01, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Security Alert - DoS Vulnerability in the Soft Fork

Affected configurations: geth 1.4.8 Likelihood: High Severity: High Details: An attack vector has been identified in the freshly released implementation of the DAOsoft fork. The fork enactment code in geth (and other clients) allows execution ofEVM code up to the block gas limit without paying for...

Published on: June 28, 2016 | Source: Ethereum Blog favicon Ethereum Blog

DAO Wars: Your voice on the soft-fork dilemma

The last week was quite hectic for all of us in the Ethereum ecosystem. The DAO has shown us that it takes much more effort to write smart contracts than we originally anticipated; but also that it takes a surprising amount ofdebateto reach a consensus onissues of this scale. ...

Published on: June 24, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Security Alert – Smart Contract Wallets created in frontier are vulnerable to phishing attacks

Affected configurations: All smart contract wallets created using Ethereum Wallet Frontier, version 0.4.0 (Beta 7) or earlier. Wallets created with Ethereum Wallet 0.5.0 and all later versions released after March 3, 2016, are not affected. Likelihood: Low Severity: High...

Published on: June 24, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 256

WWDC is done for another year, but it's going to take a while to get through all of the new content!

Published on: June 24, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Thinking About Smart Contract Security

Over the last day with the community's help we have crowdsourced alist of all of the major bugs with smart contracts on Ethereum so far, including both the DAO as well as various smaller 100-10000 ETH thefts and losses in games and token contracts. This list (original source here)...

Published on: June 19, 2016 | Source: Ethereum Blog favicon Ethereum Blog

CRITICAL UPDATE Re: DAO Vulnerability

An attack has been found and exploited in the DAO, and the attacker is currently in the process of draining the ether contained in the DAO into a child DAO. The attack is a recursive calling vulnerability,

Published on: June 17, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 255

WWDC is over! Swift playgrounds are wonderful, and Xcode finally gets extensibility!

Published on: June 17, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

The Ethereum Foundation welcomes Microsoft as the Premiere Sponsor of Devcon2, Shanghai 19-21 September, 2016

London, United Kingdom, June 14, 2016 – The Ethereum Foundation is pleased to announce Microsoft as the Premiere Sponsor of Devcon2, the Ethereum developer conference in Shanghai, 19-21 September, 2016. Devcon2, which will showcase the most up-to-date research and development work supported by the Foundation, also represents the most...

Published on: June 14, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Smart Contract Security

Solidity was started in October 2014 when neither the Ethereum network nor the virtual machine had any real-world testing, the gas costs at that time were even drastically different from what they are now. Furthermore, some of the early design decisions were taken over from Serpent. During the last couple...

Published on: June 10, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 254

Huge App Store changes, finally! See you in San Francisco, I'm halfway there already!

Published on: June 10, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Security Alert - cpp-ethereum’s account unlocking problem not yet fixed [Now fixed]

Affected configurations: cpp-ethereum (eth, AlethZero, …) version 1.2.0 up to 1.2.6 Note: Neither β€œgeth” nor β€œMist” nor the β€œEthereum Wallet” (unless explicitly used together with cpp-ethereum) are affected by this, they lock accounts correctly again. This is just a quick head's up that cpp-ethereum's security issue around account security...

Published on: June 03, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 253

Just over a week until WWDC! Swift previews, here one minute and gone the next and can using Objective C++ make your app more Swifty?

Published on: June 03, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Go Ethereum’s JIT-EVM

The Ethereum Virtual machine is kind of different than most other Virtual Machines out there. In myprevious postI already explained how it’s used and described some of its characteristics. The Ethereum Virtual Machine (EVM) is a simple but powe...

Published on: June 02, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Security Alert - cpp-ethereum keeps accounts unlocked

Affected configurations: cpp-ethereum (eth, AlethZero, ...) version 1.2.0 up to 1.2.5 (fixed in 1.2.6) Note: Neither "geth" nor "Mist" nor the "Ethereum Wallet" (unless explicitly used together with cpp-ethereum) are affected by this, they lock accounts correctly again.Severity: HighPossible Attacks:

Published on: May 31, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 252

More on the Swift development process. How to detect a low battery in your app and why your iOS app's design won't translate well to Android.

Published on: May 27, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 251

The Swift Stable ABI has been pushed to Swift 4. How is the package manager doing? and how to write sustainable code.

Published on: May 20, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Security Alert – Geth suffers from a very low probable DoS attack vector - Update immediately

Affected configurations:AllGo client versions Likelihood:Very low Severity:High Details:A bug in Geth (and potentially other clients) may suffer from a DoS attack and allows remote attackers to stall synchronisation process almost indefinitely by supplying a valid, lighter...

Published on: May 17, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 250

What's happening with App Store review times? CocoaPods 1.0 is here and when it's OK to clash your fonts.

Published on: May 13, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

On Settlement Finality

Special thanks to Tim Swanson for reviewing, and for further discussions on the arguments in his original paper on settlement finality. Recently one of the major disputes in ongoing debate between public blockchain and permissioned blockchain proponents is the issue of settlement finality. One of the simple properties that...

Published on: May 09, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 249

Don't forget to test with IPv6. Speeding up the Swift compiler and should you drop support for iOS 8?

Published on: May 06, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

C++ DEV Update: Announcing Remix

After almost three months into the "reboot" of the C++ team, I would like to give an update about the team itself, what we did and what we plan to do. Team update The so-called C++ team currently consists of PaweΕ‚ Bylica (@chfast), Greg Colvin (@gcolvin), Liana Husikyan...

Published on: May 04, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 248

Speed up your UI tests with fast animations. Taming background fetch and how do designers debug their designs?

Published on: April 29, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 247

WWDC announced by Siri! How to use Auto Layout to keep your text readable and more on paid App Store search results.

Published on: April 22, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 246

Android support in Swift, merged! Simplify your Auto Layout and NSAttributedString code and interesting experiments with asking for App Store reviews!

Published on: April 15, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 245

What does Apple Classroom look like? Optimising your test suite run times and how much grey is the right amount?

Published on: April 08, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Ethereum Foundation and Wanxiang Blockchain Labs announce a blockbuster event combining Devcon2 and the 2nd Global Blockchain Summit in Shanghai, September 19–24, 2016

[Last update: July 5, 2016] The Ethereum Foundation and Wanxiang Blockchain Labs are excited to jointly announce the International Blockchain Week in Shanghai, which will take place at Hyatt on the Bund, September 19–24, 2016. Both Ethereum’s Devcon and Wanxiang Blockchain Labs’ Global Blockchain Summit were sold out last...

Published on: April 05, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Ethereum Partners with R3CEV on Lizardcoin, Bringing Together the Best of Centralized Finance and Blockchain Technology

The Ethereum Foundation has announced that it will be working with the New York-based banking consortium R3CEV on creating a new blockchain-based cryptocurrency, Lizardcoin, which aims to showcase the benefits of blockchain technology as well as the consortium's ability to bring the technology to institutional clients and the regulation-loving masses...

Published on: April 01, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 244

Are your links working yet? What would UIKit on macOS look like? and everything you'd ever need to know about Swift structs and reference counting.

Published on: April 01, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Solidity Available in Visual Studio

Consensys and Microsoft have announced that the Ethereum contract programming language Solidity will be available in Microsoft's Visual Studio integrated development environment. ConsenSys and Microsoft collaborated on this integration to enable developers to rapidly build smart contract-based applications for the public Ethereum blockchain, as well as private and consortium blockchain...

Published on: March 30, 2016 | Source: Ethereum Blog favicon Ethereum Blog

An Open Source Mining Pool Bounty and DEVgrant

Ethereum’s present reliance on Proof of Work (PoW) mining is not ideal, and while we continue to work with gusto towards a Proof of Stake solution (PoS), we have to live with PoW as gracefully as possible (at least until the eventual switch!). Meanwhile, in the interest of overall network...

Published on: March 29, 2016 | Source: Ethereum Blog favicon Ethereum Blog

Issue 243

Dependency managers and source code control. What would Xcode for iPad actually look like and dynamic library performance in iOS 9.3.

Published on: March 25, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 242

Apple News native publishing! Bringing peek and pop in iOS apps to all devices and how should indies deal with the press?

Published on: March 18, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Issue 241

Faster development with code injection. Why you shouldn't prevent your users from trying your app with sign in forms and how do you pronounce tuple?

Published on: March 11, 2016 | Source: iOS Dev Weekly favicon iOS Dev Weekly

Serenity PoC2

After an additional two months of work after the release of the first python proof of concept release of Serenity, I am pleased to announce that Serenity PoC2 is now available. Although the release continues to be far from a testnet-ready client, much less a production-ready one, PoC2 brings with...

Published on: March 05, 2016 | Source: Ethereum Blog favicon Ethereum Blog