A cryptocurrency is a virtual currency protected by cryptography, making counterfeiting and double-spending highly impossible. Many cryptocurrencies depend on blockchain technology, a distributed ledger implemented by a distributed computers network. Cryptos are not distributed by any central authority, making them technically resistant to government intervention or exploitation. Currency crypto follows six criteria: 1. There is no need for a central authority; the system’s state is established by distributed consensus. 2. It keeps track of all cryptocurrency units and who owns them. 3. The system determines whether new cryptocurrency units are permitted to be generated. If it is possible to create new cryptocurrency units, the system specifies their creation circumstances and decides who owns them. 4. Cryptography is the only way to show ownership of currency crypto units. 5. It enables transactions involving the transfer of ownership of cryptographic units. Only a person proving the current ownership of these units may issue a transaction statement. 6. When two separate instructions for changing the ownership of the same cryptographic device are entered simultaneously, the machine only executes one of them.
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