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  2. GPU mining - Wikipedia

    en.wikipedia.org/wiki/GPU_mining

    GPU mining is the use of Graphics Processing Units (GPUs) to "mine" proof-of-work cryptocurrencies, such as Bitcoin. [1] Miners receive rewards for performing computationally intensive work, such as calculating hashes , that amend and verify transactions on an open and decentralized ledger.

  3. Unspent transaction output - Wikipedia

    en.wikipedia.org/wiki/Unspent_transaction_output

    [2] UTXOs constitute a chain of ownership depicted as a series of digital signatures dating back to the coin's inception, regardless of whether the coin was minted via mining, staking, or another procedure determined by the cryptocurrency protocol. [2] Prominent examples of cryptocurrencies adopting the UTXO model include Bitcoin and Cardano ...

  4. Mining simulator - Wikipedia

    en.wikipedia.org/wiki/Mining_simulator

    A mining simulator is a type of simulation used for entertainment as well as in training purposes for mining companies. These simulators replicate elements of real-world mining operations on surrounding screens displaying three-dimensional imagery , motion platforms , and scale models of typical and atypical mining environments and machinery.

  5. MetaMask - Wikipedia

    en.wikipedia.org/wiki/MetaMask

    It allows a user to access their Ethereum wallet through a browser extension or mobile app, which can then be used to interact with decentralized applications. [ 1 ] [ 2 ] MetaMask is developed by Consensys , a blockchain software company focusing on Ethereum -based tools and infrastructure.

  6. Bitcoin protocol - Wikipedia

    en.wikipedia.org/wiki/Bitcoin_protocol

    A diagram of a bitcoin transfer. The bitcoin protocol is the set of rules that govern the functioning of bitcoin.Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and ...

  7. Proof of stake - Wikipedia

    en.wikipedia.org/wiki/Proof_of_stake

    For a blockchain transaction to be recognized, it must be appended to the blockchain. In the proof of stake blockchain, the appending entities are named minters or validators (in the proof of work blockchains this task is carried out by the miners); [2] in most protocols, the validators receive a reward for doing so. [3]

  8. List of bitcoin companies - Wikipedia

    en.wikipedia.org/wiki/List_of_Bitcoin_companies

    bitcoin exchange [citation needed] Bitwala: 2015 Germany: Berlin: bitcoin debit card, international transfers, bitcoin wallet [2] Blockchain.com: 2011 Luxembourg: wallet provider [citation needed] Blockstream: 2014 United States: San Francisco: software [citation needed] BTC-e: 2011 Russia: bitcoin exchange Shut down by the United States ...

  9. List of bitcoin forks - Wikipedia

    en.wikipedia.org/wiki/List_of_bitcoin_forks

    The first hard fork splitting bitcoin happened on 1 August 2017, resulting in the creation of Bitcoin Cash. The following is a list of notable hard forks splitting bitcoin by date and/or block: Bitcoin Cash: Forked at block 478558, 1 August 2017, for each bitcoin (BTC), an owner got 1 Bitcoin Cash (BCH)