Dogs Unchained has two methods of raising funds for charity:

1. An optional 0.01 ETH donated when minting a Dog. Dogs Unchained also matches that 0.01 ETH
2. 25% of royalties earned from secondary trades

Dogs Unchained raised more than 130 ETH (> $400K at the time of writing) through the optional and matched donations.

As of 9/22/2021, Dogs Unchained has raised an additional 22 ETH through secondary royalties.