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Segwit2x Returns | Here
Segwit2x Returns | Here's what you need to know
Published: 2017/12/27
Channel: DataDash
Segwit2x Explained
Segwit2x Explained
Published: 2017/10/28
Channel: Boxmining
What happened to Bitcoin Segwit2x? Programmer explains.
What happened to Bitcoin Segwit2x? Programmer explains.
Published: 2017/11/10
Channel: Ivan on Tech
Bitcoin Segwit2x on 28 Dec - Hold Long Term Coins !
Bitcoin Segwit2x on 28 Dec - Hold Long Term Coins !
Published: 2017/12/27
Channel: Money Guru
Czym jest SegWit2X?
Czym jest SegWit2X?
Published: 2017/07/13
Channel: Szczepan Bentyn
Bitcoin Segwit2x (B2X) $1770? | That
Bitcoin Segwit2x (B2X) $1770? | That's Crazy.... | Segwit2x Stances For Exchanges
Published: 2017/11/05
Channel: crypto
Segwit2x Hard Fork - What You Need To Know
Segwit2x Hard Fork - What You Need To Know
Published: 2017/08/19
Channel: Nugget's News
SEGWIT2X: Moar Money Coming Soon? Is This Good or Bad for Bitcoin?
SEGWIT2X: Moar Money Coming Soon? Is This Good or Bad for Bitcoin?
Published: 2017/12/28
Channel: Decentralized TV
Interview with Vinny Lingham on #Segwit2X
Interview with Vinny Lingham on #Segwit2X
Published: 2017/10/09
Channel: Bitcoin Error Log
SEGWIT 2X : Cette fois c
SEGWIT 2X : Cette fois c'est différent ! Comprendre Segwit2x et s'y préparer
Published: 2017/10/24
Channel: Crypto Nation
Bitcoin Segwit2x - A Perfect Bitcoin or Just More Market Options?
Bitcoin Segwit2x - A Perfect Bitcoin or Just More Market Options?
Published: 2017/12/31
Channel: Decentralized TV
Segwit2x Returns   Here
Segwit2x Returns Here's what you need to know 1080p 30fps H264 128kbit AAC
Published: 2018/03/25
Channel: Crypto Central
Coin Today| BITCOIN SEGWIT2X - WHAT THE FORK?
Coin Today| BITCOIN SEGWIT2X - WHAT THE FORK?
Published: 2018/06/20
Channel: Support Trader
Mudanças no Bitcoin - Segwit2x
Mudanças no Bitcoin - Segwit2x
Published: 2017/07/09
Channel: Ideias Radicais
Bitcoin SegWit2X CANCELLED - Quick Reaction
Bitcoin SegWit2X CANCELLED - Quick Reaction
Published: 2017/11/08
Channel: Crypto Bobby
Bitcoin GOLD et Segwit2x [reporté] : ce que vous devez savoir !
Bitcoin GOLD et Segwit2x [reporté] : ce que vous devez savoir !
Published: 2017/10/17
Channel: Hasheur
Segwit2x Returns! Here
Segwit2x Returns! Here's what you need to know...
Published: 2017/12/28
Channel: Elite Billionaires
SegWit2x Explained: Hard Fork Coming in November
SegWit2x Explained: Hard Fork Coming in November
Published: 2017/10/21
Channel: Coin FOMO
SegWit2x Is Back And It
SegWit2x Is Back And It's Happening Tomorrow
Published: 2017/12/27
Channel: Brad Bitcoin
Quem sobreviverá: Bitcoin ou Segwit2x?
Quem sobreviverá: Bitcoin ou Segwit2x?
Published: 2017/11/06
Channel: Fernando Ulrich
Bitcoin Segwit2x Hard Fork Cancelled! What to do now  #HDFr
Bitcoin Segwit2x Hard Fork Cancelled! What to do now #HDFr
Published: 2018/02/07
Channel: HDFr
Understanding SegWit2X & Replay Attacks
Understanding SegWit2X & Replay Attacks
Published: 2017/10/23
Channel: Crypto Tips
Bitcoin Segwit2X: quello che devi Sapere e come Ottenere Bitcoin2X Gratis !
Bitcoin Segwit2X: quello che devi Sapere e come Ottenere Bitcoin2X Gratis !
Published: 2017/12/27
Channel: Marco Casario
SegWit2x Update. Wann (Block 494
SegWit2x Update. Wann (Block 494'784), was und wie! Wallet Empfehlungen.
Published: 2017/11/04
Channel: TOBG Business
THE TRUTH About The Segwit2x Developers
THE TRUTH About The Segwit2x Developers
Published: 2017/12/29
Channel: BSG TV
Live Look: Segwit2x HF cancelled?!??
Live Look: Segwit2x HF cancelled?!??
Published: 2017/11/08
Channel: World Crypto Network
BREAKING: Segwit2x Cancelled!!!
BREAKING: Segwit2x Cancelled!!!
Published: 2017/11/08
Channel: Boxmining
Noticias do Dia 26/12: Renacimiento Fork SegWit2X - Verge (XVG) Pode Ser SCAM? - SegWit2X Dez
Noticias do Dia 26/12: Renacimiento Fork SegWit2X - Verge (XVG) Pode Ser SCAM? - SegWit2X Dez
Published: 2017/12/26
Channel: É TopSaber Bitcoin
Segwit vs Segwit2X Explicación simple en español
Segwit vs Segwit2X Explicación simple en español
Published: 2017/07/08
Channel: CriptoMonedas TV
Segwit2X   what to do for the fork!
Segwit2X what to do for the fork!
Published: 2017/11/08
Channel: CaptainKip21
🔴 Como Minerar SegWit2x (B2X) por CPU & GPU AMD / NVIDIA Algoritmo X11
🔴 Como Minerar SegWit2x (B2X) por CPU & GPU AMD / NVIDIA Algoritmo X11
Published: 2018/03/19
Channel: Zcripto Brasil
How to get Your Segwit2X Coins | Bitcoin is Forking in 2 Days December 28, 2017
How to get Your Segwit2X Coins | Bitcoin is Forking in 2 Days December 28, 2017
Published: 2017/12/26
Channel: Rules For Rebels
SegWit2x уже близко! Что нужно знать перед хардфорком?
SegWit2x уже близко! Что нужно знать перед хардфорком?
Published: 2017/11/05
Channel: Криптач
Segwit2X Nedir?
Segwit2X Nedir?
Published: 2017/11/05
Channel: Alp IŞIK
How to get SegWit2X (B2X) on Blockchain.info / Как получить SegWit2X (B2X)
How to get SegWit2X (B2X) on Blockchain.info / Как получить SegWit2X (B2X)
Published: 2017/12/28
Channel: Jules Laurent
Des blocs DEUX FOIS plus gros ! (Segwit2x)
Des blocs DEUX FOIS plus gros ! (Segwit2x)
Published: 2017/06/24
Channel: Crypto Nation
Coinbase Will Support Bitcoin Segwit2x
Coinbase Will Support Bitcoin Segwit2x
Published: 2017/11/02
Channel: Crypto Money Life
The Segwit2X Hardfork Will Happen And Bitcoin Affecting The Stock Market - 188
The Segwit2X Hardfork Will Happen And Bitcoin Affecting The Stock Market - 188
Published: 2017/12/27
Channel: The Modern Investor
[LIVE] Sei Pronto per Bitcoin Segwit2X: Coin Gratis oggi !
[LIVE] Sei Pronto per Bitcoin Segwit2X: Coin Gratis oggi !
Published: 2017/12/28
Channel: Marco Casario
SegWit2X SIM ou Não? O que Grandes Exchanges de Bitcoin dizem?
SegWit2X SIM ou Não? O que Grandes Exchanges de Bitcoin dizem?
Published: 2017/11/02
Channel: Investimentos Digitais
ATENÇÃO SEGWIT2X SUSPENSO ! BITCOIN SEGUE FIRME E FORTE !
ATENÇÃO SEGWIT2X SUSPENSO ! BITCOIN SEGUE FIRME E FORTE !
Published: 2017/11/08
Channel: Investimentos Digitais
Bitfinex Will List Segwit2x fork As "B2X" BT2 Bitcoin Gold | BT1 Bitcoin Blockchain Remains As BTC
Bitfinex Will List Segwit2x fork As "B2X" BT2 Bitcoin Gold | BT1 Bitcoin Blockchain Remains As BTC
Published: 2018/06/14
Channel: Binance Support
Bitcoin Core Declares WAR on Segwit2x
Bitcoin Core Declares WAR on Segwit2x
Published: 2017/08/10
Channel: Chronos Crypto
Was ist SegWit UASF SegWit2X Soft-Fork Hard-Fork BIP 148 einfach erklärt deutsch
Was ist SegWit UASF SegWit2X Soft-Fork Hard-Fork BIP 148 einfach erklärt deutsch
Published: 2017/07/15
Channel: Finanzielle Freiheit dank Kryptowährungen
Por que se opor ao Segwit2x
Por que se opor ao Segwit2x
Published: 2017/11/04
Channel: Fernando Ulrich
PSA: How to prepare for the Bitcoin Segwit2x fork
PSA: How to prepare for the Bitcoin Segwit2x fork
Published: 2017/10/08
Channel: Jackson Palmer
SEGWIT2X  DO BITCOIN EXPLICADO
SEGWIT2X DO BITCOIN EXPLICADO
Published: 2017/10/07
Channel: Investimentos Digitais
BITCOIN растет, Батя в здании, Segwit2x и WAX
BITCOIN растет, Батя в здании, Segwit2x и WAX
Published: 2017/12/27
Channel: PRO Mining
Segwit2x Que es? que hacer? | Bitcoin core VS Bitcoin unlimited |
Segwit2x Que es? que hacer? | Bitcoin core VS Bitcoin unlimited |
Published: 2017/07/09
Channel: Papá Bitcoin y Criptos
Segwit2x 2.0? & My Theory on ETH
Segwit2x 2.0? & My Theory on ETH's Price Being a Leading Indicator for ERC20 Tokens
Published: 2018/01/02
Channel: Crypto Blood
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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SegWit2x was a proposed hard fork of the cryptocurrency Bitcoin. The fork was slated to occur on 16 November 2017, but was cancelled due to lack of consensus. The fork would have increased the block size to 2 megabytes. Segregated Witness has been previously activated on the Bitcoin chain from which SegWit2x would have forked.

Details[edit]

The implementation of Segregated Witness in August 2017 was the first half of the so-called "New York Agreement" in which those who wanted to increase effective block size by SegWit compromised with those who wanted to increase block size by a hard fork to a larger block size.[1] The second half of SegWit2X involves a hard fork in November 2017 to increase the blocksize to 2 megabytes.[2] Some companies that originally supported the New York Agreement backed-out, including F2Pool, Bitwala and Wayniloans.[3]

Controversy[edit]

A major issue of contention was the choice by the SegWit2x developer[4] not to implement mandatory replay protection.[5][6] Opt-in replay protection means that the Segwit2x chain will still accept transactions intended for the original chain, in addition to replay-protected transactions only valid on Segwit2x. Users sending transactions on the Bitcoin chain, or who failed to send replay-protected Segwit2x transactions, would have been vulnerable to having their transactions replayed to the other chain, resulting in accidental loss of funds. This absence of strong replay protection has created considerable controversy in the bitcoin community.[7]

Cancellation[edit]

On November 8, 2017 the developers of SegWit2x announced that the planned hard fork had been canceled, due to a lack of sufficient consensus.[8][9]

Network Failure[edit]

Although the stated reason for the cancellation of the hardfork was "lack of consensus",[10] several bugs in the codebase would have prevented the fork from occurring.[11] The official fork was planned to occur at block height 494,784, however the actual code stalled waiting for block height 494,783 due to an off-by-one coding error.[12]

The hash rate of miners signaling in favor of Segwit2x subsequently dropped to below 10%[13] and all nodes running the SegWit2x software have permanently stalled on block 494,782.[14]

See also[edit]

References[edit]

  1. ^ Haywood, Matthew (16 August 2017). "Segwit2x, 'The New York Agreement'". bravenewcoin.com. Retrieved 6 October 2017. 
  2. ^ Hertig, Alyssa (12 July 2017). "Explainer: What Is SegWit2x and What Does It Mean for Bitcoin?". CoinDesk. Retrieved 6 October 2017. 
  3. ^ tendencialglobal (18 September 2017). "Segwit2X loses support between mining groups and blockchain companies". cryptocurrency. Steemit. Retrieved 7 October 2017. 
  4. ^ "List of Segwit2x contributors". Retrieved 10 December 2017. 
  5. ^ "segwit2x-announce should mention how to safely opt-out of changes #10". Retrieved 10 December 2017. 
  6. ^ Song, Jimmy (4 October 2017). "How Segwit2x Replay Protection Works". bitcointechtalk.com. Retrieved 6 October 2017. 
  7. ^ van Wirdum, Aaron (22 September 2017). "SegWit2X and the Case for Strong Replay Protection (And Why It's Controversial)". Bitcoin Magazine. Retrieved 6 October 2017. 
  8. ^ Hertig, Alyssa (8 November 2017). "2x Called Off: Bitcoin Hard Fork Suspended for Lack of Consensus". CoinDesk. Retrieved 8 November 2017. 
  9. ^ Vigna, Paul (8 November 2017). "Bitcoin Dodges Split That Threatened Its Surging Price". The Wall Street Journal. Retrieved 8 November 2017. 
  10. ^ "Segwit2x Final Steps". 8 November 2017. Retrieved 1 December 2017. 
  11. ^ Song, Jimmy (20 November 2017). "Segwit2x Bugs Explained". Retrieved 1 December 2017. 
  12. ^ Akolkar, Bhushan (18 November 2017). "Amidst Doubts, the SegWit2x Hard Fork Fails to Get Activated". Retrieved 10 December 2017. 
  13. ^ "Bitcoin Proposal Support by Block (historical) Summary". Retrieved 10 December 2017. 
  14. ^ "Network Snapshot of Satoshi:1.14.5 Nodes". Retrieved 10 December 2017. 

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