Blockchain is a decentralized digital ledger that records transactions across many
computures in a secure and transparent way.
Each ' block" contains a list of transactions,
and these blocks are linked together
in choronlogical order to form a chain."
Unlike tranditional databeses controlled by a single authourity,
blockchain is distributed and
maintained by a netwaork of participants (called nodes), making
it highly resistant to
tampering and fraud. once data is recoded in block
and confirmed, it cannot be altered
without changing all subsequent bloks
, wich is nearly impossible.
Blockchain tecnology is the foundition of cryptocurrencies
like Bitcoin and Ethereum,
but it also has potential applications in supply chain managment,
healthcare, voting
systems, and more due to its transparency, security, and efficieny.
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