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Cryptocurrency and Blockchain Dictionary

A complete list of crypto definitions

Cryptocurrency and blockchain glossary

Commonly used terms in the world of blockchain and cryptocurrency

Terms commonly used in the world of blockchain and cryptocurrency

Volatility

Volatility – a value that characterizes the percentual price change of a certain cryptocurrency during a certain period of time. The more volatile a cryptocurrency is, the bigger can its percentual price change over a certain period be.

Other Important Terms

Mining Reward

Mining reward – a certain amount of cryptocurrency awarded by the network to select miners for every block/transaction mined. For example, the current Bitcoin mining reward is 12.5 BTC per block mined (this amount will reduce in the future with each halvening).

Physical Cryptocurrency Wallet

Physical cryptocurrency wallet – a physical object containing user’s private keys. There are several types of physical wallets: Hardware wallet is a device that has user’s private keys saved to its memory. In order to access them, user has to connect such a wallet to a device that is connected to the Internet, such as PC or smartphone, and enter a pin code. For example, Ledger Nano X is a hardware wallet; Paper wallet is a copy or printout of user’s public and private keys.

Virtual Cryptocurrency Wallet

Virtual cryptocurrency wallet – a software solution containing user’s private keys. There are several types of virtual wallets: Online wallet is a cloud-based program accessible from any device with Internet connection; Desktop wallet is a computer program only accessible from the computer it is installed on; Mobile wallet is a smartphone application only accessible from the smartphone it is installed on. It usually has more limited functionality compared to the desktop wallet due to the application size restrictions.

Mining Pool

Mining pool – a group of miners who combine their system resources, allowing them to generate a higher hash rate than it would be possible for any of them to generate individually. Higher hash rate = greater chance of mining a whole block. Mining reward gets split between mining pool members. Note: not every PoW cryptocurrency has mining pools. Some PoW cryptocurrencies accept transactions one by one, not by combining them into blocks, thus eliminating the point of having mining pools.

Double Spending

With digital currency, there is a risk that the holder could make a copy of the digital token and send it to a merchant or another party while retaining the original.

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