Mohamed, KareemAziz, AmrMohamed, BelalAbdel‐Hakeem, KhaledMostafa, MostafaAttia, Ayman2020-02-222020-02-2220191099-1174https://doi.org/10.1002/isaf.1462https://cutt.ly/Kr0DllbMSA Google ScholarMoney exchange is one of the most common day‐to‐day activities performed by humans in the daily market. This paper presents an approach to money tracking through a blockchain. The proposed approach consists of three main components: serial number localization, serial number recognition, and a blockchain to store all transactions and ownership transfers. The approach was tested with a total of 110 banknotes of different currency types and achieved an average accuracy of 91.17%. We conducted a user study in real‐time with 21 users, and the mean accuracy across all users was 86.42%. Each user gave us feedback on the proposed approach, and most of them welcomed the ideaenOctober University for University for image processingbanknote serial number recognition (SNR)blockchainArticlehttps://doi.org/10.1002/isaf.1462