Tab for Charity (TFC) mines crypto in your browser while your CPU is idling. TFC mines monero, a privacy-focused cryptocurrency, to donate to non-profits while keeping your information private and discrete. TFC let's you choose the charities you want to donate to with various settings.
Browsers are inefficient and can be constant consumers of electricity despite doing relatively little. TFC uses a power-efficient algorithm to recycle your idle waste to donate to charity.