The blockchain technology is best known for the cryptocurrencies and the development of the decentralized finance (DeFi) space. This chapter discusses the mechanisms related to impact finance.

It starts by analyzing the problems in the traditional impact finance field and highlighting the potential of the blockchain technology for the field. The tracking of funds is one of the most interesting features of the technology as it helps to increase the accountability and transparency.

The chapter also discusses some of the mechanisms in this area which are based on lending protocols and exchange liquidity pools. The chapter closes by discussing some impact-related cases for food assistance or asset storing solutions for refugees.