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  2. Proof of work - Wikipedia

    en.wikipedia.org/wiki/Proof_of_work

    Bitcoin is a proof-of-work digital currency that, like Finney's RPoW, is also based on the Hashcash PoW. But in bitcoin, double-spend protection is provided by a decentralized P2P protocol for tracking transfers of coins, rather than the hardware trusted computing function used by RPoW.

  3. Explainer: What common cryptocurrency terms mean - AOL

    www.aol.com/finance/explainer-common-crypto...

    Proof of work uses a process known as mining to validate transactions and manage that coin’s blockchain. The first miner to solve a puzzle adds a new block of transactions to the blockchain and ...

  4. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    Proof-of-stake is a method of securing a cryptocurrency network and achieving distributed consensus through requesting users to show ownership of a certain amount of currency. It is different from proof-of-work systems that run difficult hashing algorithms to validate electronic transactions.

  5. Peercoin - Wikipedia

    en.wikipedia.org/wiki/Peercoin

    Peercoin, also known as Peer-to-Peer Coin, PP Coin, or PPC, is a cryptocurrency utilizing both proof-of-stake and proof-of-work systems. [ 1 ] [ 2 ] It is notable as the first cryptocurrency to implement the proof-of-stake consensus mechanism .

  6. List of cryptocurrencies - Wikipedia

    en.wikipedia.org/wiki/List_of_cryptocurrencies

    PoW & Proof of Service [nt 1] A bitcoin-based currency featuring instant transactions, decentralized governance and budgeting, and private transactions. 2014 NEO: NEO Da Hongfei & Erik Zhang SHA-256 & RIPEMD160: C# [38] dBFT: China based cryptocurrency, formerly ANT Shares and ANT Coins. The names were changed in 2017 to NEO and GAS. 2014 ...

  7. Primecoin - Wikipedia

    en.wikipedia.org/wiki/Primecoin

    Primecoin was launched in 2013 by Sunny King, who also founded Peercoin. [4] [5]Unlike other cryptocurrencies, which are mined using algorithms that solved mathematical problems with no extrinsic value, mining Primecoin involves producing chains of prime numbers (Cunningham and bi-twin chains).

  8. Cardano (blockchain platform) - Wikipedia

    en.wikipedia.org/wiki/Cardano_(blockchain_platform)

    Proof-of-stake blockchains use far less energy than proof-of-work chains. [27] This is achieved by eliminating the computing resources that a proof-of-work algorithm requires. In February 2021, Hoskinson estimated the Cardano network used 6 GWh annually, less than 0.01% of the 110.53 TWh used by the Bitcoin network as calculated by the ...

  9. 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 ...

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