The Blockchain at first glance is a digital ledger that stores data of any kind, however this is not all, its most important quality is that it is the only database that is fully decentralized and does not depend on any agency, which means that it is virtually impossible to censor or modify. As new data is periodically added to the network, a new "block" is created and attached to the "chain".

A blockchain can record information about cryptocurrency transactions, NFT ownership or DeFi smart contracts, which means that not all have the same level of decentralization and therefore not all are equally secure or reliable.

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Although blockchain could be used to store any type of information and to perform reliable verifications of a person's identity, the most frequent uses of blockchain today are in the field of cryptocurrencies. The most common use of blockchain today is storing and recording data related to value transactions. The more people use this new technology, the greater its applicability will be.

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