Geth

Bundestag, Berlin, Germany (Ricardo Gomez Angel/Unsplash)
Ethereum Developers Delay Berlin Hard Fork to Stem Client Centralization Concerns
79% of Ethereum nodes run on Geth. Core developers have pushed back July's Berlin hard fork so other clients can catch up.
Bundestag, Berlin, Germany (Ricardo Gomez Angel/Unsplash)

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Unpatched Ethereum Clients Pose 51% Attack Risk, Says Report
Ethereum clients that still haven't patched known vulnerabilities pose a security risk to the entire network, according to new research.
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code
Ethereum Clients Release New Software In Wake of Hard Fork Delay
Major ethereum clients are releasing new versions of their software to prevent the now-delayed Constantinople hard fork from triggering.
code

cogs
Ethereum's Geth Software Upgrades Ahead of January Hard Fork
Geth has locked ethereum's upcoming Constantinople hard fork into its latest code release.
cogs

ConsenSys HQ
This New Ethereum Software Client Is Built With Enterprises in Mind
Unlike other enterprise versions of ethereum, ConsenSys' new Pantheon has a less-restrictive software license and uses Java as a programming language.
ConsenSys HQ

turbo geth1
'Turbo Geth' Seeks to Scale Ethereum – And It's Already in Beta
Instead of tackling ethereum's transaction costs, developer Alexey Akhunov focused on the blockchain's state, and the software is ready.
turbo geth1

CONSTRUCT 2017 Innovation Hanger SF Jan 30+31 2017 Steven Gregory Photography-5670_preview
Testing for Ethereum's Coming Consensus Change Is Moving Ahead
Less than a year since Casper was formalized, ethereum clients are starting to test a smart contract for the network's big consensus change.
CONSTRUCT 2017 Innovation Hanger SF Jan 30+31 2017 Steven Gregory Photography-5670_preview

dividing, line
Ethereum Infighting Spurs Blockchain Split Concerns
Parity is set on implementing their new proposal to recover frozen funds, and ethereum devs are worried there's nothing to stop a blockchain split.
dividing, line

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Blockchain Bloat: How Ethereum Is Tackling Storage Issues
With long-term fixes like sharding a ways off, ethereum developers are making the software run more efficiently to ease growing storage requirements.
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Code
Ethereum Developers Find Geth Bug as Hard Fork Nears
Ethereum's Geth has re-released its Byzantium hard fork software after spotting a bug. But low adoption is concerning with the fork so close.
Code