Amid Bitcoin Scaling Debate, Segregated Witness Testnet Enters Public Stage

Amid Bitcoin Scaling Debate, Segregated Witness Testnet Enters Public Stage

In the midst of a heated debate over block size and Bitcoin’s future, Bitcoin Core developers Dr. Pieter Wuille, Eric Lombrozo and Johnson Lau have launched a third iteration of the Segregated Witness “testnet.” Dubbed SegNet, the latest version of the Bitcoin test network includes several improvements over its predecessors, and is available to anyone....


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Segregated Witness Enters Final Testnet Stage, Includes Lightning Network Support

Bitcoin Core developers Dr. Pieter Wuille, Eric Lombrozo and Johnson Lau launched a fourth – and probably final – iteration of the Segregated Witness testnet today. Perhaps most importantly compared to previous versions, “SegNet 4” includes support for another upcoming Bitcoin protocol improvement, CheckSequenceVerify (CSV). This allows for experimentation with routable bidirectional payment channels, better known as lightning networks. Segregated Witness is the nifty technical innovation that allows senders of Bitcoin transactions to move cryptographic signatures from typical blocks to....

Segregated Witness Deployed on New Bitcoin Testnet: SegNet

Bitcoin Core developers have deployed an initial implementation of Segregated Witness on a special testnet for Bitcoin, dubbed SegNet. SegNet allows developers to experiment with the highly anticipated innovation set to increase Bitcoin’s scalability, extensibility and performance. SegNet, like the original Bitcoin testnet, is essentially a clone of Bitcoin, specifically intended as a demo version. Bitcoin Core developers Pieter Wuille, Eric Lombrozo, Johnson Lau, Alex Morcos and several others constructed a set of patches in order to establish the new testnet, with an early iteration of....

Segregated Witness, Part 3: How a Soft Fork Might Establish a Block-Size Truce (or Not)

If one proposal excited attendees at the recent Scaling Bitcoin workshop in Hong Kong, Bitcoin Core and Blockstream developer Dr. Pieter Wuille's Segregated Witness was it. Praised by many within the technical community, Segregated Witness is expected to improve Bitcoin's performance in a number of ways, while some even hope it might be the scaling solution that helps bring some peace back to the Bitcoin community. The first and second partsof our three-part Segregated Witness series covered how it works and what it does. In this final part we explore what it means for the block-size dispute.

On the Detriments of Segregated Witness for Bitcoin

Segregated Witness has been the center of Bitcoin’s long-lasting scaling debate since it was first introduced by Blockstream co-founder and Bitcoin Core developer Dr. Pieter Wuille two months ago. A nifty method to move signature data from typical transactions into “add-on blocks,” Segregated Witness is set to improve the Bitcoin protocol in several ways . Moreover, the solution can be rolled out as a soft fork, meaning that only miners need to upgrade their software; all other nodes can do so if and when they please. The innovation is positioned as the first step of a scalability “roadmap....

Blocktrail CTO and BitcoinJS Co-Maintainer Ruben De Vries: Segregated Witness Not Very Complicated

The long-lasting block-size dispute has catapulted into the center of attention again. One of the most talked about developments right now is Segregated Witness, of which a public testnet iteration waslaunched last week. The innovation as recently proposed by Blockstream co-founder and Bitcoin Core developer Dr. Pieter Wuille is a centerpiece of a scalability “roadmap” set out by Bitcoin Core. But relying on Segregated Witness as the next step of Bitcoin’s scalability process is contended by recently launched Bitcoin Core fork Bitcoin Classic. Rather than a Segregated Witness soft fork,....