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Ophcrack is a free open-source (GPL licensed) program that cracks Windows log-in passwords by using LM hashes through rainbow tables.The program includes the ability to import the hashes from a variety of formats, including dumping directly from the SAM files of Windows, and can be run via the command line or using the program’s GUI (Graphical user interface).
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
The proof-of-work distributed computing schemes, including Bitcoin, frequently use cryptographic hashes as a proof-of-work algorithm. Hashrate is a measure of the total computational power of all participating nodes expressed in units of hash calculations per second.
Quark is a lightweight hash function, based on a single security level and on the sponge construction, to minimize memory requirements. Inspired by the lightweight ciphers Grain and KATAN, the hash function family Quark is composed of the three instances u-Quark, d-Quark, and t-Quark. Hardware benchmarks show that Quark compares well to ...
A Bitcoin miner runs a computer program that collects unconfirmed transactions from users on the network. Together, these can form a "block" and earn a payment to the miner, but a block is only accepted by the network if its hash meets the network's difficulty target.
One popular system, used in Hashcash, uses partial hash inversions to prove that computation was done, as a goodwill token to send an e-mail. For instance, the following header represents about 2 52 hash computations to send a message to calvin@comics.net on January 19, 2038: X-Hashcash: 1:52:380119:calvin@comics.net:::9B760005E92F0DAE
NiceHash is a cryptocurrency broker and exchange with an open marketplace for buyers and sellers of hashing power. The company provides software for cryptocurrency mining.The company was founded in 2014 by two Slovenian university students, Marko Kobal and Matjaž Škorjanc. [1]
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