A scamcoin is a cryptocurrency created not for the sake of technology but to enrich its organizers through manipulation or premining. Such coins carry an elevated risk for holders.

A public key is the open part of a cryptographic key pair that can be freely shared. A receiving address for cryptocurrency is formed on its basis.

A dust transaction is a transfer of an extremely small amount of cryptocurrency, almost devoid of financial value. Such tiny amounts clutter the blockchain and can be used for deanonymization.

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.

A private key (private key) is a secret string that gives control over a cryptocurrency wallet and allows transactions to be signed. Its loss or disclosure means the loss of access to funds.