A contract in size is restricted to,

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A blockchain is “a distributed database that maintains a continuously growing list of ordered records, called blocks.” These blocks are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data.

So basically, a blockchain is a digital ledger of transactions maintained by a network of computers in a way that makes it difficult to hack or alter. This technology offers a secure way for individuals to deal directly with each other, without an intermediary like a government, bank or other third party.


A contract in size is restricted to,