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AuthorVitalik Buterin
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Vitalik Buterin

https://ethereum.org

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dev update

Ethereum Dev Roundup: Q1 (Boring Edition)

Posted on April 7th, 2017.

The last one and a half months have seen great progress for Ethereum research, and we are excited that the protocol is moving closer and closer to the point where it is ready for mainstream adoption. Progress on consensus algorithms, privacy, zero knowledge proofs and formal verification is happening at increasing speed, and our research […]

Featured

dev update

Ethereum Dev Roundup: Q1

Posted on April 1st, 2017.

The last one and a half months have seen great progress for Ethereum research, and we are excited that the protocol is moving closer and closer to the point where it is ready for mainstream adoption. Progress on consensus algorithms, privacy, zero knowledge proofs and formal verification is happening at increasing speed, and our research […]

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the project

Ethereum R&D Roundup: Valentine’s Day Edition

Posted on February 14th, 2017.

During the last month and a half, the Ethereum core development and research teams have been building upon the progress made in the last year, and with the specter of last year’s security issues now well behind us, work has begun in full force on implementing the Metropolis hard fork. First, ongoing progress on the […]

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the project

December Roundup

Posted on December 31st, 2016.

December marks a month of continued progress in the Ethereum ecosystem. Research on proof of stake and sharding continues after the research team’s workshop in Singapore in November, the light client slowly keeps getting better, Whisper and Swarm keep moving forward, and discussions on protocol economics and community governance continue to mature. First, privacy technologies on Ethereum, […]

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dev update

Ethereum Research Update

Posted on December 4th, 2016.

This week marks the completion of our fourth hard fork, Spurious Dragon, and the subsequent state clearing process, the final steps in the two-hard-fork solution to the recent Ethereum denial of service attacks that slowed down the network in September and October. Gas limits are in the process of being increased to 4 million as the network […]

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release

Security alert [11/24/2016]: Consensus bug in geth v1.4.19 and v1.5.2

Posted on November 25th, 2016.

Security Alert Affected configurations: Geth Severity: High Summary:  An issue has been identified with Geth’s journaling mechanism. This caused a network fork at block #2686351 (Nov-24-2016 14:12:07 UTC). The new Geth release 1.5.3 fixes the journaling issue and repairs the fork. Details: Geth was failing to revert empty account deletions when the transaction causing the […]

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Security

Uncle Rate and Transaction Fee Analysis

Posted on October 31st, 2016.

One of the important indicators of how much load the Ethereum blockchain can safely handle is how the uncle rate responds to the gas usage of a transaction. In all blockchains of the Satoshian proof-of-work variety, any block that is published has the risk of howbecoming a “stale”, ie. not being part of the main […]

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the project

Transaction spam attack: Next Steps

Posted on September 22nd, 2016.

Today the network was attacked by a transaction spam attack that repeatedly called the EXTCODESIZE opcode (see trace sample here), thereby creating blocks that take up to ~20-60 seconds to validate due to the ~50,000 disk fetches needed to process the transaction. The result of this was a ~2-3x reduction in the rate of block […]

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technical

On Inflation, Transaction Fees and Cryptocurrency Monetary Policy

Posted on July 27th, 2016.

The primary expense that must be paid by a blockchain is that of security. The blockchain must pay miners or validators to economically participate in its consensus protocol, whether proof of work or proof of stake, and this inevitably incurs some cost. There are two ways to pay for this cost: inflation and transaction fees. […]

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Uncategorized

Onward from the Hard Fork

Posted on July 26th, 2016.

The foundation has committed to support the community consensus on the admittedly difficult hard fork decision. Seeing the results of various metrics, including carbonvote, dapp and ecosystem infrastructure adoption, this means that we will focus our resources and attention on the chain which is now called ETH (ie. the fork chain). That said, we recognize […]