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Development has steadily continued over the last month and a half as we approach the launch of Metropolis. Over a series of core dev calls over the last few months, we have specified and finalized the EIPs for...

The Foundation believes Encrypted Media Extensions (EME) should not be published as a W3C Recommendation, and we are now making public the formal objection the Ethereum Foundation submitted to the W3C opposing the recommendation of EME. As…

“Segwit2x”, a proposal for an incompatible change to the consensus rules of the Bitcoin network, has received increased exposure recently. There have been attempts to mislead people into believing that the btc1 project, the implementation…

Thanks to all the developers and team leads who contributed to the sections on their projects In the last month and a half, the Ethereum network went through a rapid growth in usage, to the point that it now processes as many transactions…

Overview Hashes for verification Bitcoin Core 0.14.2 has been released with a security fix for users who manually enable the UPnP option. Please note: UPnP has been disabled by default since Bitcoin Core 0.10.3 ; you only need this fix if…

Over the last month and a half we saw vigorous ongoing research and development on all sides of the Ethereum roadmap, and progress is rapidly starting to translate into real results that can be run and verified inside of an Ethereum client…

A bug in the Solidity optimizer was reported through the Ethereum Foundation Bounty program, by Christoph Jentzsch. This bug is patched as of 2017-05-03, with the release of Solidity 0.4.11....

Overview Notable changes RPC changes Mining UTXO memory accounting Conclusion Hashes for verification We are pleased to announce the general availability of Bitcoin Core 0.14.1. This release forms part of the regular maintenance cycle of B…

Cramming in a lot more goodies than originally anticipated, the Go Ethereum team is proud to finally deliver the first incarnation of the 1.6 Geth release series! Glimpsing through the commit list, this is going to be a monster post!...

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, priva…

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, priva…

Hybrid full block SPV mode One of the major hurdle hindering further adoption of fully validating software by regular users is the inability to use the wallet features of the client until it has fully synced the entire blockchain. For user…

Schnorr Signatures The replacement of Bitcoin’s digital signature algorithm (ECDSA) for the more efficient Schnorr algorithm has long been at the top of the wish list for many Bitcoin developers. A simple algorithm leveraging elliptic curv…

It's been a fairly busy for the last couple of months for the Ethereum javascripters. To start with, there was a really great hackathon with IPFS. You can read Dan Finlay's excellent write up here. Also, during this time Aaron Davis (Kumav…

The following post aims to highlight development milestones that helped preserve a reliable experience for users of the Bitcoin software client over the years. We present several upgrades that were critical in maintaining the decentralized…

Overview Improved Initial Block Download (IBD) Performance Assumed valid blocks Memory-sharing between mempool and UTXO DB cache Faster new block validation and relay Improved signature cache Earlier BIP152 compactblock relay P2P code refa…

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 f…

Members of the Ethereum R&D team and the Zcash Company are collaborating on a research project addressing the combination of programmability and privacy in blockchains. This joint post is being concurrently posted on the Zcash blog, and is…

The first version of the Light Ethereum Subprotocol (LES/1) and its implementation in Geth are still in an experimental stage, but they are expected to reach a more mature state in a few months where the basic functions will perform reliab…

We are please to announce the general availability of Bitcoin Core 0.13.2. This release forms part of the regular maintenance cycle of Bitcoin Core and brings bug fixes, optimisations and improvements to the 0.13.x series. Please see the r…