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


Launched in 2015, Ethereum is the world's programmable blockchain. Like other blockchains, Ethereum has a native cryptocurrency called Ether (ETH). ETH is digital money. People all over the world use ETH to make payments, as a store of value, or as collateral. But unlike other blockchains, Ethereum can do much more.


FOMO stands for "fear of missing out." In the cryptocurrency industry, it refers to the feeling of anxiety that an individual may experience when they believe that they are missing out on potential profits by not investing in a particular cryptocurrency or not buying more of one that they already own. This can lead to impulsive buying decisions and can contribute to market volatility.

Proof of History

Proof of History (PoH) is a consensus algorithm used by the Solana blockchain platform to secure its network and validate transactions. It is a hybrid algorithm that combines elements of Proof of Work (PoW) and Proof of Stake (PoS) to achieve high levels of security and efficiency.

Proof of stake

Proof of stake is a consensus mechanism used by some blockchain networks to achieve distributed consensus. In proof of stake, the creator of a new block is chosen in a deterministic way, depending on their stake in the network (how many coins they hold). This means that the more coins a validator holds, the more likely they are to create the next block and earn the block reward. Proof of stake is intended to be a more energy-efficient alternative to proof of work, which is used by networks like Bitcoin.

Proof of work

Proof of work is a system used to confirm transactions and produce new blocks in a blockchain network. It requires miners to perform a certain amount of computational work before they can add a new block to the chain. This helps ensure the security and integrity of the blockchain, as it makes it difficult for any single entity to manipulate the network.

Smart Contract

A smart contract is a computer program or a transaction protocol respectively, which is intended to automatically execute, control or document respectively legally relevant events and actions according to the terms of a contract, of an agreement or of a negotiation.

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