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A blockchain is a distributed database or ledger shared among a computer network's nodes. They are best known for their crucial role in cryptocurrency systems for maintaining a secure record of transactions, but they are not limited to cryptocurrency uses. Blockchains can be used to make data in any industry immutable the term used to describe the inability to be altered
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What is a blockchain?
A blockchain is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be altered retroactively without the alteration of all subsequent blocks and the consensus of the network.
Blockchain is a technology that enables the secure storage and transfer of digital currencies like Bitcoin, based on a system of centralized control managed by a single entity.
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How Does a Blockchain Work?
A blockchain consists of programs that we call scripts that conduct the tasks you usually would in a database. Entering and accessing information and saving and storing it somewhere
In a blockchain system, each transaction is verified and recorded by a central authority, ensuring that all information is stored in a single, easily accessible database.
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Who invented the block chain
Stuart Haber and W. Scot
Wright and Satoshi Nakamoto
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When was the BlockChain first outlined?
1994
1998
2004
1991
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