Cryptocurrency Terms and Definitions

A confirmation is the inclusion of a transaction in a block of the blockchain and the fixing of its validity. The more confirmations a transfer gathers, the more reliably it is considered irreversible.

Poloniex is one of the oldest centralized cryptocurrency exchanges, providing trading in a wide range of digital assets. The platform is known for its large number of trading pairs and support for many altcoins.

A Pull Request is a developer's request to include the code changes they have made into the main project. It is a key mechanism for collaborative work on code in Git and on platforms like GitHub.

A Pre-ICO (token presale) is a preliminary stage of token sales before the main ICO round. It helps a project raise starting funds for marketing, development and the preparation of a full-fledged campaign.

Premining (premine) is the mining of part of the coins by a cryptocurrency's creators before its public launch. It can be used transparently to fund the project or serve as a tool for abuse and manipulation.