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In cryptography, scrypt (pronounced "ess crypt" [1]) is a password-based key derivation function created by Colin Percival in March 2009, originally for the Tarsnap online backup service. [ 2 ] [ 3 ] The algorithm was specifically designed to make it costly to perform large-scale custom hardware attacks by requiring large amounts of memory.
Scrypt: C++ [10] PoW: One of the first cryptocurrencies to use scrypt as a hashing algorithm. 2011 Namecoin: NMC Vincent Durham [11] [12] SHA-256d: C++ [13] PoW: Also acts as an alternative, decentralized DNS. 2012 Peercoin: PPC Sunny King (pseudonym) [citation needed] SHA-256d [citation needed] C++ [14] PoW & PoS: The first cryptocurrency to ...
Mining in pools began when the difficulty for mining increased to the point where it could take centuries for slower miners to generate a block. The solution to this problem was for miners to pool their resources so they could generate blocks more quickly and therefore receive a portion of the block reward on a consistent basis, rather than ...
Bathhouse began mining Bitcoin on its premises in 2021, using miners as “fancy pool heaters” to generate cryptocurrency in addition to heat. Miners now power its two heated pools using ...
GHash.io was founded and owned by CEX.io, a cryptocurrency exchange that continues to operate today. Apart from mining bitcoin, GHash.io hosted a multipool for mining altcoins, as well as separate pools for mining Litecoin, Dogecoin, Auroracoin, and Darkcoin.
mining pool (CEX.IO was an exchange) Closed in October 2016 [citation needed] HTX (formerly Huobi) 2013 Seychelles: bitcoin exchange [7] Kraken: 2011 United States: San Francisco: bitcoin exchange [citation needed] LocalBitcoins: 2012 Finland: Helsinki: over-the-counter trading [citation needed] OKEx: 2014 China: Beijing: bitcoin exchange ...
Scrypt, an alternative proof-of-work algorithm, is used for Litecoin. According to Motherboard, "Scrypt was chosen because it theoretically prevents the use of ASICs, those specialized chips that greatly increase mining power and efficiency (though there is debate over the validity of this claim).". [26]
Best public cryptanalysis In 2009, a rebound attack was announced that presents full collisions against 4.5 rounds of Whirlpool in 2 120 operations, semi-free-start collisions against 5.5 rounds in 2 120 time and semi-free-start near-collisions against 7.5 rounds in 2 128 time.