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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


ICO – short for Initial Coin Offering. A way for a cryptocurrency startup to raise money via selling own issued tokens for fiat or a common cryptocurrency, such as Bitcoin or Ether. The money raised is then used to realize the plans described in the startup’s roadmap and whitepaper.

Other Important Terms

Anti-Money Laundering

AML is the abbreviation for ‘anti-money laundering’. AML stands for policy and legislation on money laundering. This prevents illegally acquired funds from being converted into a legal variant. Within the crypto world, it is no longer unusual for AML techniques to be used by exchanges and wallets. This term is often used as AML/KYC, where KYC stands for 'Know your customer'.


Non-fungible tokens which are also referred to as NFTs; are blockchain-based tokens that each represent a unique asset like a piece of art, digital content, or media. An NFT can be thought of as an irrevocable digital certificate of ownership and authenticity for a given asset, whether digital or physical. NFT is a record on a blockchain which is associated with a particular digital or physical asset. The ownership of an NFT is recorded in the blockchain, and can be transferred by the owner, allowing NFTs to be sold and traded.

Atomic swap

Atomic swap - A smart contract technology that allows to exchange one cryptocurrency for another without using centralized intermediaries. The technology is being used by the DEXes.

Cryptocurrency Wallet

Cryptocurrency wallet – A medium of accessing and controlling user’s cryptocurrency. Contrary to a common misconception, cryptocurrency wallet does not store any cryptocurrency; it just grants user access to a certain amount of cryptocurrency associated with the wallet. A wallet stores user’s private keys. There are two types of cryptocurrency wallets: physical and virtual.


Hash – a unique alphanumeric string produced by the hash algorithm. For example, 47a83dfbba d320acff42 e5400b2b7d 654acb0a44 1dd982b2f9 34454a730f 8b28 is a SHA-256 hash.

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