Bitcoin and Ethereum cryptocurrency uses the technology called blockchain.
In traditional banking system all the transaction depends on the centralized bank database. if hackers crack the bank database, then he can steal the money.
in blockchain technology, it uses the decentralized database ledger system.And it uses the hashes for each and every data modifications. if hackers try to steal the data, then the hash value will not match with every ledger, so obviously it’s some more secure than traditional system.
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