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Author: Admin | 2025-04-28
Network.Classic Ether Wallet website attack[edit]On 29 June 2017, the Ethereum Classic Twitter account made a public statement indicating reason to believe that the website for Classic Ether Wallet had been compromised. The Ethereum Classic Twitter account confirmed the details released via Threatpost. The Ethereum Classic team worked with Cloudflare to place a warning on the compromised domain warning users of the phishing attack.[22][better source needed]51% double spend attacks[edit]ETC has experienced multiple 51% double-spending attacks throughout its history. These attacks exploit the decentralized nature of the network by amassing more than 50% of its mining power,[23] enabling attackers to manipulate transactions and double-spend digital assets. The first significant attack occurred in January 2019, when Ethereum Classic was subject to double-spending attacks and an estimated $1.1 million worth of ETC was double-spent.[24][25] In response, the Ethereum Classic team initiated several network upgrades, including the adoption of a modified version of the Proof of Work (PoW) consensus algorithm called "ECIP-1049 Keccak256."[26] Despite these efforts, additional 51% attacks were carried out in August and October of 2020,[27][11] with estimated losses of $5.6 million and $1.68 million, respectively.[28]^ Vigna, Paul (28 October 2015). "BitBeat: Microsoft to Offer Ethereum-Based Services on Azure". The Wall Street Journal (Blog). News Corp. Archived from the original on 22 February 2019. Retrieved 17 February 2016.^ a b c d e f Vigna, Paul (1 August 2016). "The Great Digital-Currency Debate: 'New' Ethereum Vs. Ethereum 'Classic'". The Wall Street Journal (Blog). News Corp. Archived from the original on 26 March 2020. Retrieved 5 March 2020.^ Russel, Jon (11 June 2018). "Coinbase will add Ethereum Classic to its exchange 'in the coming months'". TechCrunch.com. TechCrunch. Archived from the original on 12 June 2018. Retrieved 5 March 2020.^ Tapscott, Don (2016). Blockchain revolution : how the technology behind bitcoin is changing money, business, and the world. Toronto, Ontario, Canada: Portfolio/Penguin. ISBN 978-0670069972.^ Waters, Richard (18 June 2016). "'Ether' brought to earth by theft of $50m in cryptocurrency". Financial Times. Archived from the original on 6 March 2023. Retrieved 19 October 2018.^ Leising, Matthew (13 June 2017). "Ether thief remains mystery year after $55 million heist". www.bloomberg.com. Bloomberg News. Archived from the original on 26 December 2018. Retrieved 18 February 2019.^ Popper, Nathaniel (27 May 2016). "Paper Points Up Flaws in Venture Fund Based on Virtual Money". The New York Times. ISSN 0362-4331. Archived from the original on 8 November 2020. Retrieved 12 July 2017.^ a b c d e Andreas M. Antonopoulos, Gavin Wood (2018): "Ethereum timeline". In Mastering Ethereum: Building Smart Contracts and DApps, page 329. O'Reilly Media; 424 pages. ISBN 9781491971918^ De Jesus, Cecille (19 July 2016). "The DAO Heist Undone: 97% of ETH Holders Vote for the Hard Fork". Futurism, LLC. Archived from the original on 7 August 2017. Retrieved 16 May 2017.^ Matthew Leising (2017-06-13): "The Ether Thief Archived 26 December 2018 at the Wayback Machine". Online article, Bloomberg. Accessed on 2019-02-16.^ a b "Ethereum Classic faced '51 percent attack'" (in Turkish). Bloomberg HT. 31 August 2020. Archived from
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