Cryptocurrency and Blockchain Dictionary

Terms commonly used in the world of blockchain and cryptocurrency

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DAO

DAO – short for Decentralized Autonomous Organization. It is an organization governed by the rules encoded as a computer program. DAO is transparent, controlled by shareholders and not influenced by a central government.

Other Important Terms

PoW

PoW – short for Proof of Work. A type of consensus mechanism, where nodes validate transactions by using computing power. Here is how it works: User A makes a transaction; User A’s transaction gets bundled into a block along with other users’ transactions; Transactions get validated; The header of the most recent block is inserted into this block as a hash; The cryptographic problem is solved during the mining process; The block is published to the blockchain; User B receives a transaction. For example, Bitcoin uses PoW consensus mechanism.

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.

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.

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.

Futures Trading

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.

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