A sidechain is a separate blockchain linked to the main (parent) network that allows assets to be moved between them. It extends the capabilities of the base chain without changing its protocol.

Market capitalization is the combined value of all coins of a cryptocurrency in circulation. It is calculated as the asset's current price multiplied by the number of coins in circulation.

Ripple is a payment network and protocol for fast international transfers, and XRP is its native digital asset. The network is geared toward settlements between banks, payment systems, and users.

A restart is the "relaunch" of an investment or HYIP project, in which the administration writes off prior obligations to depositors and announces a resumption of operations under new terms.

A referral is a user who has signed up to a project, an exchange, or an affiliate program at the invitation of another participant. The inviter often receives a reward for such sign-ups.