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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Questions about the consensus system of Bitcoin and the protocol rules that are consensus critical.
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About Bitcoin as it might be discussed in economics class, e.g. supply, demand and price in theory.
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Related to the creation and usage of paper wallets, mostly used for cold storage.
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BIP32, or Hierarchical Deterministic Wallets.
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The process of copying one or more files to an alternate location for safekeeping. Typically refers to the copying of Bitcoin's wallet.dat file but may also refer to the built-in JSON API command to p…
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an open source ASIC/FPGA miner for Windows, Linux and macOS.
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Integrating Bitcoin services with the help of PHP-based frameworks or using PHP
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Questions about crypto-currencies and the Linux operating system, including mining and transferring Bitcoins on Linux.
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Questions about Bitcoin in the context of the Ubuntu Linux distribution.
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The Elliptic Curve Digital Signature Algorithm
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For questions relating to encryption operations and algorithms as they apply to crypto-currencies specifically.
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Collects questions about mining setups on basis of GPUs.
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Questions concerning terminology, jargon, abbreviations, acronyms and phrases that are essential to the cryptocurrency community.
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Relates to attempts to harm the Bitcoin network. In cryptography, an attack is a method/technique to break the code. Bitcoin also has to deal with other types of attack, such as double spends and deni…
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Related to different MacOS operating systems and the Mac hardware.
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Related to the software used for mining cryptocurrencies
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Current amount of currency units (bitcoins, ppcoins, real money, etc.).
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an electronic cash like Bitcoin but PoS based and written from scratch in Java.
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Scalability refers to the capability of a system or network to cope with growing adoption and workload.
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an alternative consensus mechanism that adapts mining success chances with the proportion of the cryptocurrency's tokens held by the miner.
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the use of intentional deception for financial gain.
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allow efficient and secure verification of contents of large data structures. Merkle-Trees are employed in Bitcoin to prove existence of transactions in a block.
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Multisignature Addresses require more than one key to authorize a transaction.
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should be used for Bitcoin Armory, a desktop wallet focused on security features.
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a programming language.
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the transaction inside a block that pays the miner his block reward.
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an attempt at solo-mining a longer chain to outpace the main chain.
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refers to the schedule by which the mining reward for a blockchain based currency is dispensed.
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Storing a wallet offline, i.e. making the private keys inaccessible from the web. This is e.g. implemented through use of Paper and Hardware Wallets.
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refers to mining by yourself, not organized in a mining-pool
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A 256-bit variant of Secure Hash Algorithm 2
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a remote service, usually a web site, which runs an instance of the Bitcoin (or similar) software and manages one or more addresses on behalf of its clients. Such services allow access …