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CryptoNote is an application layer protocol designed for use with cryptocurrencies that aims to solve specific problems identified in Bitcoin. [1] [2]The protocol powers several decentralized privacy-oriented cryptocurrencies, including Monero, [3] Zano, [4] MobileCoin and Safex Cash.
Notes 2009 Bitcoin: BTC, [3] XBT, ₿ Satoshi Nakamoto: SHA-256d [4] [5] C++ [6] PoW [5] [7] The first and most widely used decentralized ledger currency, [8] with the highest market capitalization as of 2018. [9] 2011 Litecoin: LTC, Ł Charlie Lee: Scrypt: C++ [10] PoW: One of the first cryptocurrencies to use scrypt as a hashing algorithm ...
[17] [18] Cornell Professor Emin Gün Sirer notes that "The correctness of the entire Hashgraph protocol seems to hinge on every participant knowing and agreeing upon N, the total number of participants in the system," which is "a difficult number to determine in an open distributed system." Baird responded that "All of the nodes at a given ...
Notes Refs. Bitcoin: January 3, 2009 Satoshi Nakamoto: BTC. PoW with Nakamoto Consensus Yes (scripts) No No Probabilistic UTXO: First and most well-known blockchain of all; BTC is the most valuable token in terms of market share. [1] [2] Litecoin: Oct 8, 2011 Charlie Lee LTC PoW: Yes (scripts) Yes [1] [3] Peercoin: Aug 19, 2012 PPC PoW: Yes ...
By April 2018, a number of articles erroneously stated that X-Road is a "blockchain-based technology or it utilizes blockchain internally". [ 12 ] [ 13 ] According to an April 18, 2018 article by Petteri Kivimäki the CTO of the Nordic Institute for Interoperability Solutions (NIIS), [ 14 ] "There is no blockchain technology in the X-Road."
GxHash [10] 32, 64 or 128 bits AES block cipher pHash [11] fixed or variable see Perceptual hashing: dhash [12] 128 bits see Perceptual hashing: SDBM [2] [13] 32 or 64 bits mult/add or shift/add also used in GNU AWK: OSDB hash [14] 64 bits add komihash [15] 64 bits product/split/add/XOR
A technology roadmap is a flexible planning schedule to support strategic and long-range planning, by matching short-term and long-term goals with specific technology solutions.
IOTA is an open-source distributed ledger and cryptocurrency designed for the Internet of things (IoT). [1] It uses a directed acyclic graph to store transactions on its ledger, motivated by a potentially higher scalability over blockchain based distributed ledgers. [2]