• Cryptocurrencies: 8 763



Bitcoin transactions are made up of inputs and outputs, in a system called Unspent Transaction Output. When you send bitcoins, you can only send them in a whole output, and the rest are sent back as change.


A demand made by a credit-card provider for a retailer to make good on the loss on a fraudulent or disputed transaction, reversing said payment or money transfer after it was authorized.

Chain Split

Another term used to describe Fork.


The name given to the algorithm that encrypts and decrypts information.

Circulating Supply

The best approximation of the number of coins that are circulating in the market and in the general public’s hands. *see Max Supply and Total Supply.


Software that can access and process blockchain transactions on a local computer. A common application of this is a cryptocurrency software wallet.


Refers to the closing price; similar to the same term used in financial stocks.

Cloud Mining

Mining with remote processing power rented from companies operating outfits in countries like Iceland, where the electricity is abundant and cost-efficient, and the ambient temperature is cold year-round. Another term for this is mining contract.


A coin is a cryptocurrency that can operate independently.


First designed in the Bitcoin system, a coinbase is a compulsorily-included transaction on a block, the output of which directs where to send the mining reward to. In the Bitcoin system, the coinbase has a 100 byte size input, where messages can be attached or used as an extra nonce.