Cryptocurrency and Blockchain Dictionary

Terms commonly used in the world of blockchain and cryptocurrency

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Node

Node – a device that is connected to the P2P network. Each node has a copy of all the previous transactions and supports the network by validating and relaying transactions.

Other Important Terms

Futures trading refers to a method of speculating on the price of assets, including cryptocurrencies, without actually owning them. Like commodity or stock futures, cryptocurrency futures enable traders to bet on a digital currency’s future price.

Block Explorer

A block explorer is an online service to track blockchain transactions. It usually is a website where you can see all the new blocks that are being created. You can also search for transactions and wallet addresses. The best-known block explorers are blockchain.info for Bitcoin and etherscan.io for Ethereum.

Ethereum

Ethereum is a decentralized, open-source blockchain with smart contract functionality. 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.

Whitepaper

Whitepaper – an official document of a certain cryptocurrency that explains how it works. Can explain novel concepts, contain financial and technological calculations.

ROI

'Return on Investment', or ROI for short, is a ratio or percentage value that reflects the profitability or efficiency of a certain trade or investment.

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