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Mastering Bitcoin: Unlocking Digital Currencies (2014, O'Reilly) ISBN 978-1449374044; Mastering Bitcoin 2nd Edition: Programming the Open Blockchain (2017, O'Reilly) ISBN 978-1491954386; Mastering Ethereum: Building Smart Contracts and dApps (2018, O'Reilly) ISBN 978-1491971949; The Internet of Money (Volume 1) (2016, O'Reilly) ISBN 978-1537000459
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 ...
A blockchain has been described as a value-exchange protocol. [25] A blockchain can maintain title rights because, when properly set up to detail the exchange agreement, it provides a record that compels offer and acceptance. [citation needed] Logically, a blockchain can be seen as consisting of several layers: [26] infrastructure (hardware)
Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency.Based on a free-market ideology, bitcoin was invented in 2008 by Satoshi Nakamoto, an unknown entity (person or persons). [5]
Hard forks splitting bitcoin (aka "split coins") are created via changes of the blockchain rules and sharing a transaction history with bitcoin up to a certain time and date. The first hard fork splitting bitcoin happened on 1 August 2017, resulting in the creation of Bitcoin Cash .
The software validates the entire blockchain, which includes all bitcoin transactions ever. This distributed ledger , which has reached more than 608.9 gigabytes (not including database indexes) in size as of October 2024, [ 4 ] must be downloaded or synchronized before full participation of the client may occur. [ 3 ]
Ethereum Classic is a blockchain-based distributed computing platform that offers smart contract (scripting) functionality. [1] It is open source and supports a modified version of Nakamoto consensus via transaction-based state transitions executed on a public Ethereum Virtual Machine (EVM).
At the IACR conference Crypto 2022 researchers presented a paper describing Ofelimos, a blockchain protocol with a consensus mechanism based on "proof of useful work" (PoUW). Rather than miners consuming energy in solving complex, but essentially useless, puzzles to validate transactions, Ofelimos achieves consensus while simultaneously ...