What is cryptocurrency?

Cryptocurrency (or cryptography) is a controversial digital asset designed to function as a cryptographic medium of exchange for the security of your transactions, additional monitors, and asset transfers. Cryptocurrencies are a type of digital currency, alternative currency, and virtual currency. Cryptocurrencies use decentralized control instead of a centralized system of electronic money and central banks.

The decentralized control of each cryptocurrency works through the blockchain, which is the basis of public transactions and functions as a distributed ledger.

Formal definition

According to Jan Lansky, a cryptosystem is a system that meets four conditions:

• Policy determines whether new units of cryptocurrency can be created. When new units of cryptocurrency can be developed, the system identifies the circumstances of the source with ownership of these new units.

• If two different instructions are entered to change the purchase of the same cryptographic units, the system executes at most one of them.

• The system allows transactions to be carried out in such a way as to change the owner of a cryptographic block. A transaction statement can only be issued by an organization that verifies the current owners of these units.

• Ownership of cryptocurrency units can be shown solely cryptographically.


Decentralized cryptography collectively creates an entire system of cryptographic services at a rate determined at the time the system was created and known to the public. In centralized banking and economic policies, such as the Federal Reserve, administrative committees or governments control the money supply by printing units of trust funds or requiring additional digital ledgers. In the case of a decentralized cryptocurrency, governments or companies cannot produce new units, and yet they are not interoperable with other companies, banks, or organizations that hold property value. The underlying technical system based on decentralized cryptocurrencies was created by a group or individual known as Satoshi Nakamoto.

As of May 2018, there were over 1,800 transparent crypto specifications. The cryptocurrency’s security, integrity, and balance record system is maintained by a community of mutually suspicious parties, called minors, who use their computers to confirm transaction times by adding them to the registry according to a specific timestamp scheme.

Most cryptocurrencies are designed to gradually reduce the production of this currency by limiting the total number of coins that will be in circulation. Compared to conventional currencies that are held or supported by financial institutions

money in hand, it may be harder for the police to catch the crypto. This problem arises due to the use of cryptographic technologies.