ads.txt (Authorized Digital Sellers) is an initiative from IAB Technology Laboratory.
This is designed to allow online buyers to check the validity of the sellers from whom they buy, for the purposes of internet fraud prevention.
[2] Latest adoption data per FirstImpression.io's Ads.txt Industry Dashboard:[3] Google has been an active proponent of ads.txt.
[6] with version 1.0.1 making small changes based on community feedback later that year.
In 2019, version 1.0.2 made further small amendments and recommended using a placeholder record to indicate the intent of an empty ads.txt file.