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Blockchain. A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. [1][2][3][4] Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves).
During a slot, the block proposer uses their mempool to create a block that is intended to become the new "head" (latest block) of the blockchain, and the attesters attest to which block is at the head of the chain. If a validator makes self-contradicting proposals or attestations, or if it is inactive, it loses a portion of its stake.
Blockchain analysts estimate that Nakamoto had mined about one million bitcoins [20] before disappearing in 2010 when he handed the network alert key and control of the code repository over to Gavin Andresen. Andresen later became lead developer at the Bitcoin Foundation, [21] [22] an organization founded in September 2012 to promote bitcoin. [23]
Ethereum's developers have confirmed they will split the next big upgrade to the blockchain into two parts. That reduces the risk of bugs and the upgrades are expected to start in early 2025.
Uses Distributed computing. Cardano is a public blockchain platform. It is open-source and decentralized, with consensus achieved using proof of stake. It can facilitate peer-to-peer transactions with its internal cryptocurrency, ADA. [5] Cardano's development began in 2015, led by Ethereum co-founder Charles Hoskinson.
Web3 (also known as Web 3.0[1][2][3]) is an idea for a new iteration of the World Wide Web which incorporates concepts such as decentralization, blockchain technologies, and token-based economics. [4] Some technologists and journalists have contrasted it with Web 2.0, wherein they say data and content are centralized in a small group of ...
Founded in 2018 by Robbie Ferguson, James Ferguson and Alex Connolly, the company developed crypto platform "Immutable X" based on blockchain Ethereum. [1] Immutable partnered with Israeli company StarkWare for their "layer 2", "zero knowledge roll up" network in 2020.
Satoshi Nakamoto. Satoshi Nakamoto is the name used by the presumed pseudonymous [1][2][3][4] person or persons who developed Bitcoin, authored the Bitcoin white paper, and created and deployed Bitcoin's original reference implementation. [5] As part of the implementation, Nakamoto also devised the first blockchain database. [6]
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