Hashing in cryptocurrency

hashing in cryptocurrency

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What is a Cryptographic Hashing Function? (Example + Purpose)
In cryptocurrency, hashing is used for two main purposes: to generate a unique identifier for each transaction and to secure the network through Proof of Work. Cryptographic hash functions are programs that use a mathematical function, like an algorithm, to convert information to a hexadecimal form. A hash function turns a random input of data (keys) into a string of bytes with a fixed length and structure (hash value) The hash of a transaction makes it.
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The blockchain only contains validated transactions, which prevents fraudulent transactions and double spending of the currency. The cryptographic hash function is used to generate a digest of the message. The three properties outlined above are desirable but cannot always be implemented in practice.