What features make blockchain different from traditional systems

A blockchain is a database or a ledger that stores information in a data structure called blocks. It is based on distributed ledger technology which can be used between parties that don’t trust each other with data.

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Blockchains only differ from other database types by the way they store data. While blockchains can be considered a database, a database is typically not a blockchain . Databases generally don’t use signed blocks to store the data.

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