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  2. 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 ...

  3. Blockchain - Wikipedia

    en.wikipedia.org/wiki/Blockchain

    The Blockchain Table in Oracle 21c database is a centralized blockchain which provide immutable feature. Compared to decentralized blockchains, centralized blockchains normally can provide a higher throughput and lower latency of transactions than consensus-based distributed blockchains.

  4. David Chaum - Wikipedia

    en.wikipedia.org/wiki/David_Chaum

    His 1982 dissertation "Computer Systems Established, Maintained, and Trusted by Mutually Suspicious Groups" is the first known proposal for a blockchain protocol. [1] Complete with the code to implement the protocol, Chaum's dissertation proposed all but one element of the blockchain later detailed in the Bitcoin whitepaper.

  5. Stacks blockchain - Wikipedia

    en.wikipedia.org/wiki/Stacks_blockchain

    With the introduction of the Stacks Blockchain 2.0 on 14 January 2021, Hiro PBC revoked their sole control of the network [3]. Due to this, the Stacks token could no longer be viewed as a security under SEC Regulation A+ qualifications and filed an exit report.

  6. Proof of work - Wikipedia

    en.wikipedia.org/wiki/Proof_of_work

    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 ...

  7. Identity and access management - Wikipedia

    en.wikipedia.org/wiki/Identity_and_Access_Management

    Identity management (ID management) – or identity and access management (IAM) – is the organizational and technical processes for first registering and authorizing access rights in the configuration phase, and then in the operation phase for identifying, authenticating and controlling individuals or groups of people to have access to applications, systems or networks based on previously ...