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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 and troubleshooting of compiling Bitcoin Core, bitcoind or equivalent altcoin software.
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Use for questions regarding the Ardor blockchain platfrom the first multichain blockchain architecture running in production since January 2018
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Alternative Proof-of-Work function employed by Cryptocurrencies such as e.g. Litecoin and Dogecoin.
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A property of Bitcoin transactions that allows them to be replicated with another transaction id before they are included in a block.
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A hardware wallet stores one's private keys in a secure hardware device.
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Concerning websites that support the Bitcoin network or community.
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A place that holds your currency and keeps it safe.
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Collects questions about the rules, precision, and utility of the timestamp in block headers.
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Collects questions discussing the memory limit of blocks.
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Collects general questions about using Bitcoin on Android devices. For questions about the popular wallet use btc-wallet-for-android.
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when one party relies upon the representations made by another party such that the relying party would be harmed if the representations were inaccurate. Trust exists between users of crypto-c…
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a hardware device that can generate and store cryptographic keys used with bitcoin (a bitcoin hardware wallet). The firmware can also be used in password management and for digital signature…
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collects questions discussing the plans and arguments around the Block size limit increase from 1MB.
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Questions about what criteria influence the selection of unconfirmed transactions for block inclusion.
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Questions about taxes due to mining, trading, and getting paid in Cryptocurrency.
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an easy-to-use, open-source, multiplatform, multisignature, secure bitcoin wallet platform for both individuals and companies. Copay uses Bitcore Wallet Service (BWS) for peer synchronization…
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Shares refers to a method for accounting mining pool contributions. It does not cover company shares.
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an open source ASIC/FPGA miner for Windows
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Much like a vanity license plate, an address can also be chosen to include a particular word or series of characters.
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Specifically, the economy which has sprung up around the Bitcoin project including goods and services purchasable with bitcoins. Do not use for questions about Bitcoin deflation, etc. as such question…
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An opcode that allows you to create an unspendable transaction output that stores up to 80 bytes of data.
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Requests for historical data about the price or volume of trades between cryptocurrencies and fiat currencies.
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Questions about the mechanics of redeeming a UTXO in an input script.
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Functionality for proving a message was sent by the holder of a particular private key. The standard Bitcoin client provides this features since version 0.6.0