At the heart of every cryptocurrency is blockchain technology—a decentralized digital ledger that records transactions across many computers.
Instead of relying on a central authority, blockchain uses a network of nodes that verify and store data. Each “block” contains a list of transactions, and once added, it cannot be altered easily. This makes blockchain highly secure.
There are different types of blockchains:
Public blockchains (open to everyone)
Private blockchains (restricted access)
Hybrid systems (a mix of both)
Blockchain is not just for crypto. It’s being used in:
Supply chain tracking
Voting systems
Healthcare data management
Its biggest advantage is trust without intermediaries—a concept that could reshape entire industries.
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