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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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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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About Bitcoin as it might be discussed in economics class, e.g. supply, demand and price in theory.
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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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For questions relating to encryption operations and algorithms as they apply to crypto-currencies specifically.
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The Elliptic Curve Digital Signature Algorithm
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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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Collects questions about mining setups on basis of GPUs.
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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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Scalability refers to the capability of a system or network to cope with growing adoption and workload.
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the use of intentional deception for financial gain.
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an electronic cash like Bitcoin but PoS based and written from scratch in Java.
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Multisignature Addresses require more than one key to authorize a transaction.
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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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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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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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should be used for Bitcoin Armory, a desktop wallet focused on security features.
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a programming language.
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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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refers to the schedule by which the mining reward for a blockchain based currency is dispensed.
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Every node has their unique memory pool in which it tracks unconfirmed transactions. Use this tag for questions on how transactions enter and exit the mempool, how the mempool is delimited and other a…