What is a 51% attack and how to detect it? By Cointelegraph
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Despite being underpinned by blockchain technology that promises security, immutability, and complete transparency, many cryptocurrencies like SV (BSV), (LTC) and (ETC) have been subject to 51% attacks several times in the past. While there are many mechanisms by which malicious entities can and have exploited blockchains, a 51% attack, or a majority attack as it is also called, occurs when a group of miners or an entity controls more than 50% of the blockchain’s hashing power and then assumes control over it.
Arguably the most expensive and tedious method to compromise a blockchain, 51% of attacks have been largely successful with smaller networks that require lower hashing power to overcome the majority of nodes.
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Despite being underpinned by blockchain technology that promises security, immutability, and complete transparency, many cryptocurrencies like SV (BSV), (LTC) and (ETC) have been subject to 51% attacks several times in the past. While there are many mechanisms by which malicious entities can and have exploited blockchains, a 51% attack, or a majority attack as it is also called, occurs when a group of miners or an entity controls more than 50% of the blockchain’s hashing power and then assumes control over it.
Arguably the most expensive and tedious method to compromise a blockchain, 51% of attacks have been largely successful with smaller networks that require lower hashing power to overcome the majority of nodes.
Continue Reading on Coin Telegraph