Bitcoin Gets an Official Upgrade with SegWit; Improved Scaling and Security - Bitcoin and Altcoins News

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August 25, 2017

Bitcoin Gets an Official Upgrade with SegWit; Improved Scaling and Security

The Bitcoin Core development team’s scaling solution and transaction malleability fix Segregated Witness (SegWit) is finally live in the Bitcoin network, after years of testing, development and debate.
Various experts and analysts in the cryptocurrency sector including Lightning founder Elizabeth Stark, Blockstream executive Samson Mow, Litecoin creator Charlie Lee, RT’s Max Keiser and bitcoin investor Alistair Milne expressed their optimism toward the activation of SegWit, especially in its ability to drastically improve bitcoin’s security and scalability.
In particular, Stark noted that Lightning, a two-layer micropayments solutions which was in development for several years, will finally become implemented by bitcoin applications and platforms with SegWit in place. The lightning development team also announced that bitcoin-to-Litecoin cross-chain swaps will be made possible through SegWit, since both blockchain networks already have SegWit enabled.
Lee further emphasized that Litecoin will also test Lightning in its SegWit-enabled mainnet, which will ease the process of testing cross-network swaps in the near future.
“I’m working with [Litecoin Foundation Directors] Xinxi Wang and Franklyn Richards today to test out Lightning on Litecoin mainnet. Any real litecoins lost will be worth it,” said Lee.In addition to the deployment of infrastructure necessary for two-layer solutions such as Lightning and TumbleBit, with SegWit finally live in the bitcoin network, bitcoin hardware wallets and other platforms will see tightened security measures in processing transactions. Previously, Blockstack co-founder Ryan Shea explained that scalability is one of many benefits SegWit provides and described it as a “Swiss Army Knife” of a solution.
“Anyway, ‘Segregated Witness’ or ’SegWit’ is a Swiss army knife in terms of benefits. It leads to improvements on so many levels it’s actually surprising. It’s really, really good. So good that it’s worth listing out all of the benefits,’ noted Shea. Some of the many benefits revealed by Shea include optimization of signature hashing for linear scalability, safer ecosystem for hardware wallets, enhanced upgradeability, and bandwidth reductions for nodes.

Transaction Fees Increase

Two benefits In terms of scaling, which the vast majority of the community have anticipated in SegWit, include immediate optimization of bitcoin blocks and linear scalability provided by efficient hashing. However, because SegWit was expected to optimize bitcoin blocks by 75 percent, bitcoin and cryptocurrency communities were expecting a significant decline in transaction fees. Yet, after SegWit, transaction fees actually increased.
There are several theories that can explain the recent surge in mempool size and transaction fees. Prominent analysts including Alistair Milne and WhalePanda pointed toward spam attacks, suggesting that politically motivated groups have started to target bitcoin network with small spam transactions in order to clog the network.
“This kind of petty trolling will do nothing to improve 2x support, and likely have the opposite effect,” said Milne in regard to the potential spam attacks.
Many developers and analysts in the past have stated that bitcoin spam attacks have continuously clogged up the bitcoin blockchain since 2016. In an interview with bitcoin market data provider BraveNewCoin, bitcoin analytics platform OXT developer Laurent claimed that 18 spam attacks throughout 2016 and 2017 stressed the bitcoin network. It is difficult to conclude that the recent surge in bitcoin transaction fees was triggered by spam attacks. But, the abrupt nature of the rise in mempool size suggests that spam attacks are targeting the bitcoin blockchain network.
If it is in fact spam attacks, the bitcoin mempool will likely settle down in the next few weeks and bitcoin transaction fees will decrease below the $1 region.
In an analytical blog post, bitcoin developer and former vice president of engineering at Armory Jimmy Song explained several individuals have allowed the community to come together and activate Segwit. Jimmy attributed a part of the success to Barry Silbert, BIP 91 author James Hilliard, BIP 141 author Shaolin Fry, Litecoin creator Charlie Lee and SegWit creator Pieter Wuille.
“What I underestimated was the power of the individual. All of these events that affected the last 8 months in Bitcoin truly speak to the power of determined people in the Bitcoin ecosystem. Whether you think of these events as good or bad, it’s undeniable that people with ideas that work hard can make things happen in Bitcoin,” said Song.
Featured image from Shutterstock.

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