Dime

What Dime is

Dime is a free command-line tool that calculates UK cryptoasset tax figures from a transaction spreadsheet. It accepts CSV data with fields such as date, operation, market value, assets, quantities, fees, and income; supported operations are receive, send, swap, and transfer. After processing, users can review figures for available tax years and see their current fiat balance. The format also allows sent and received assets to be marked as non-fungible, and the guide explains how to report an NFT minted from multiple NFTs. Dime processes transactions locally and keeps them with calculated figures in a SQLite database in the user’s .dime folder. Installation options include Composer, a PHAR archive, Docker, and an experimental standalone application. Composer and PHAR installations require PHP 8.2 and the BCMath extension; Docker requires Docker and sh or Bash. The maker primarily intends it for people familiar with UK cryptoasset tax rules who want a privacy-preserving way to prepare a return. The maker cautions that results depend on spreadsheet accuracy and advises consulting a professional accountant before use.