This dissertation delivers a general overview over blockchain technology and examines the impact that this technology can have in the current economy, by focusing over impact investment sector. it includes a technical part where are analyzed the main blockchain features, explaining the blockchain trilemma, possible designs and usecases in the investment impact sector, a blockchain implementation in a Chilean NGO organization in the impact investment sector and a model that describes how a rational user chooses which blockchain, Proof-of-Work or Proof-of-Stake, is more suitable for its usecase. The thesis shows that blockchain implementation in impact investment lead to reduce inefficiencies of the current economy.