<p>This book investigates how digital technologies, such as social media and artificial intelligence, can contribute to combatting corruption in Brazil.</p><p>Brazil, with its long history of scandals and abundant empirical data on digital media usage, serves as a perfect case study to trace the development of bottom-up and top-down digital anti-corruption technologies and their main features. This book highlights the connections between anti-corruption reforms and the rapid implementation of innovative solutions, primarily developed by tech-savvy public officials and citizens committed to anti-corruption efforts. The book draws on interviews with experts, activists and civil servants, as well as open-source materials and social media data to identify key actors, their practices, challenges and limitations of anti-corruption technologies. The result is a thorough analysis of the process of digitalisation of anti-corruption in Brazil, with a theoretical framework which can also be appli