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  2. Blockchain - Wikipedia

    en.wikipedia.org/wiki/Blockchain

    Orphan blocks (purple) exist outside of the main chain. A blockchain is a decentralized, distributed, and often public, digital ledger consisting of records called blocks that are used to record transactions across many computers so that any involved block cannot be altered retroactively, without the alteration of all subsequent blocks.

  3. 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 ...

  4. 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 ...

  5. Ouroboros (protocol) - Wikipedia

    en.wikipedia.org/wiki/Ouroboros_(protocol)

    Research in 2020 tested Ouroboros Hydra, a protocol version that used "off-chain state channels" (called "heads") to enable peer-to-peer transactions. Such "layer 2" protocols manage transactions off the main blockchain, and each head could potentially process "up to 1,000 transactions per second".

  6. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work , called mining , that secures the bitcoin blockchain.

  7. Smart contract - Wikipedia

    en.wikipedia.org/wiki/Smart_contract

    Since the 2015 launch of the Ethereum blockchain, the term "smart contract" has been applied to general purpose computation that takes place on a blockchain. The US National Institute of Standards and Technology describes a "smart contract" as a "collection of code and data (sometimes referred to as functions and state) that is deployed using ...

  8. Blockchain analysis - Wikipedia

    en.wikipedia.org/wiki/Blockchain_analysis

    Blockchain analysis is the process of inspecting, identifying, clustering, modeling and visually representing data on a cryptographic distributed-ledger known as a blockchain. [ 1 ] [ 2 ] The goal of blockchain analysis is to discover useful information about different actors transacting in cryptocurrency.

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