𝐏𝐫𝐨𝐨𝐟-𝐨𝐟-𝐩𝐨𝐬𝐬𝐞𝐬𝐬𝐢𝐨𝐧 capabilities are becoming pivotal in ensuring application token security with the increasing adoption of OAuth-based access management. 𝐃𝐏𝐨𝐏, or 𝐃𝐞𝐦𝐨𝐧𝐬𝐭𝐫𝐚𝐭𝐢𝐧𝐠 𝐏𝐫𝐨𝐨𝐟 𝐨𝐟 𝐏𝐨𝐬𝐬𝐞𝐬𝐬𝐢𝐨𝐧 is a relatively new standard that comes with promising security features, especially for the internet-facing open applications.