This expert answer focuses on the potential of the data contained in the Extractive Industry Transparency Initiative (EITI) reports to help improve governance and fight corruption. The first section explains why extractive industries are especially prone to IFFs. The second section explains the main mechanisms through which EITI aims to contribute to fighting corruption and improving governance. This section also explains the most important changes made to the EITI standard in 2016. The third section looks at ways in which the EITI report data has been used, but also points out its current shortcomings. The final section gives a short overview of the legal barriers for EITI implementation.