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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


Mining – a process during which transactions are verified and added to the P2P network. It is conducted by the miners, which have to solve a cryptographic problem. In order to do it, miners have to produce the hash equal or less than the target hash; they try to do it again and again, inputting the combination of the block header and nonce into a hash algorithm, until the solution is found.

Other Important Terms

Trading Pair

Trading pair – a trade between one type of cryptocurrency and another. Allows trader to purchase one of these two currencies with the another one. For example, BTC/ETH is a trading pair. It allows the trader can buy Bitcoin with his/her Ether or Ether with his/her Bitcoin.

Block Header

Block header – a unique alphanumeric string used to identify a particular block on an entire blockchain. It is necessary for miners to be able to carry out PoW. For example, 0100000095 00c43a25c6 24520b5100 adf82cb9f9 da72fd2447 a496bc600b 0000000000 006cd86237 0395dedf1d a2841ccda0 fc489e3039 de5f1ccdde f0e834991a 65600ea6c8 cb4db3936a 1ae3143991 is a block header.

Bounty Program

Bounties are simple tasks of jobs by the team behind a coin. These can be as simple as joining a Telegram channel or by (re)tweeting. It could also be a bit more difficult like a translation job for example. The participants receive rewards in the form of coins in exchange for completing these bounties.

Private Key

Private key – a unique alphanumeric string that allows cryptocurrency to be spent from user’s wallet. For example, E9873D79C6D87DC0FB6A5778633389 is a private key.

Pump And Dump

Pump and Dump – a fraudulent scheme. Involves artificially increasing the price of a certain cryptocurrency just to sell it before the "bubble" bursts. Is accountable for sudden spikes in cryptocurrency price charts.

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