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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.

A complete implementation of a Lightning Network node developed by Lightning Labs and other contributors. Licensed under MIT. LND needs btcd, bitcoind, or neutrino as a back-end service.
237 questions
A US-based cryptocurrency company offering among other products and services an exchange and a custodial web wallet.—Please use [coinbase-transaction] for questions about the the first transaction in …
233 questions
Pay to Script Hash is a transaction output format that allows you to lock funds to the execution of arbitrary scripts. It was defined in BIP0016.
232 questions
Definitions of technical terms, jargon, abbreviations, acronyms, and phrases that are essential to the Bitcoin community.
219 questions
"Application-Specific Integrated Circuit" - An integrated circuit (chip) specifically designed for one task only. Similar to FPGAs, ASICs may be the low-power-consumption future of Bitcoin mining. As …
214 questions
Related to the creation and usage of paper wallets, mostly used for cold storage.
207 questions
The transaction that pays the miner their block reward.—Use [coinbase.com] to refer to the US-based cryptocurrency company.
206 questions
an exchange popular in the early years of Bitcoin, where bitcoins could be traded against mora than a dozen national currencies including the US Dollar and the Euro. Insolvent in 2013.
206 questions
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…
203 questions
Legal issues relating to the use of Bitcoins or similar crypto-currencies. This includes issues of legal compliance with legal areas such as taxation, money laundering, international currency controls…
202 questions
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…
197 questions
Questions about Ethereum are off topic. A blockchain-based "smart contract" system with a Turing-complete contract programming language. Questions about Ethereum should be asked on the dedicated Et…
194 questions
The computer operating system named Linux is used by many for mining and transferring Bitcoins.
192 questions
Seed numbers can often be derived from a list of words known as a seed phrase, recovery phrase or backup phrase.
190 questions
Current amount of currency units (bitcoins, ppcoins, real money, etc.).
189 questions
Core Lightning (formerly c-lightning) is a standard compliant implementation of the Lightning Network protocol. The Lightning Network is a scalability solution for Bitcoin, enabling secure and instant…
189 questions
Questions about alternative blockchains are off topic unless they are applicable to Bitcoin.
183 questions
About Bitcoin as it might be discussed in economics class, e.g. supply, demand and price in theory.
182 questions
How to keep wallets safe.
182 questions
Encryption is the process of encoding information into a ciphertext that only authorized parties can decode. Encryption isn't used in the Bitcoin protocol itself, however it can be used e.g. for encry…
178 questions
Questions about Bitcoin in the context of the Ubuntu Linux distribution.
176 questions
A hash-tree used to 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.
176 questions
Integrating Bitcoin services with the help of PHP-based frameworks or using PHP
173 questions
The Bitcoin Core client provides a "regtest" mode that can be used by software developers to safely perform software tests such as regression tests.
172 questions
Related to different MacOS operating systems and the Mac hardware.
168 questions
A majority attack, or 51% attack, is an attempt at solo-mining a longer chain to outpace the main chain.
162 questions
A 256-bit variant of Secure Hash Algorithm 2
161 questions
Peer-to-peer (p2p) network protocols are used to transmit messages between network nodes of identical status in the network. In a p2p network, all participants look the same to each other.
153 questions
CGMiner is an open source ASIC/FPGA miner for Windows, Linux and macOS.
148 questions
Scalability refers to the capability of a system or network to cope with growing adoption and workload.
148 questions
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.
147 questions
Related to the history of Bitcoin
147 questions
Microsoft Windows is a series of operating systems (OS). Many different Bitcoin related software programs run on Windows - many of these also run on other operating systems. This tag can be used fo…
145 questions
should be used for anything related to the secp256k1 algorithm used for Bitcoin's public key cryptography.
145 questions
Refers to the schedule by which Bitcoin's mining reward is dispensed.
142 questions
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