In July 2021 we celebrate the I Blockchain Hackathon of Las Rozas, together with Alastria: another step in the path initiated in February this year with the signing of a partnership agreement with Alastria Blockchain Ecosystem to turn Las Rozas into a testing laboratory for blockchain solutions, for the application of this futuristic technology in the city and to scale it to other cities in the world. 26 companies from 4 different countries applied for an open call. Only 10 of these reached the final, which allowed us to identify the Blockchain Interesting Project, the BIPs of Las Rozas: