A blockchain is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree). By design, a blockchain is resistant to modification of its data. This is because once recorded, the data in any given block cannot be altered retroactively without alteration of all subsequent blocks. For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Although blockchain records are not unalterable, blockchains may be considered secure by design and exemplify a distributed computing system with high Byzantine fault tolerance. The blockchain has been described as "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way".
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Videos on 'BLOCKCHAIN' (8)
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From Coronavirus hysteria to a New World Order of Digital Certificates, ID2020 & Vaccines on Blockchain - Chico Crypto
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Your Future was decided in 2010! Coronavirus-Vaccine Certificates stored in the ID2020 Blockchain cloud - Chico Crypto
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New World Order is ready to Trace, Track, Monitor, Control, Tax & Vaccinate the entire world using 5G, ID2020, Artifical Intelligence (AI) & Blockchain - Spiro Skouras
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Patent #666-Beast: Blockchain your Thoughts, Feelings, Emotions & Actions to earn a Cryptocurrency wage - Leak Project
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Digital Dollar currency on Blockchain, patent filed by Visa - KnowMoreNews
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Airlines will require ID2020 on the Covid Credentials Initiative (CCI) platform, a 'decentralized, open blockchain' identity - Bearded Heretic
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Transhuman: COVID Vaccines 'corrupt' Human DNA using CRISPR. Blockchain, 5G, AI & Cashless Systems will track us - Potters Clay
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IMF: Build a New, Post-COVID Economy: Digital, Green & Inclusive on Blockchain - Darren MooreJr
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