Collective microfinance is a new instrument for fundraising instrument that, together with the evolution of technology and as part of the FinTech stream, allows for a more efficient provision of financial services that is less expensive, and serves as a mechanism for financial inclusion. Today, it is in the sights of regulators around the world, mainly due to its distancing from the traditional mechanisms and problems associated with its development. This work makes a detailed analysis of the phenomenon and the way in which the contributors, receipients and electronic platforms were regulated in Colombia through the Decree no. 1357/2018. The reader will find a critical study of the value of the United States’ Crowdfunding Act as a model for Colombian regulation.