When a block of transaction information is successfully processed, all transactions within that data block are verified and recorded (extracted). Depending on the type of digital currency, transaction confirmation time can vary from 30 seconds to several minutes. Validation-related verifications are usually longer, although there is a bit of dissatisfaction for users doing the transaction due to the short time it takes to verify transactions. But it generally makes the transaction more secure. Because more attention is paid to the data being extracted.