The Indonesian Auction Portal (lelang.go.id) is the official application of the Directorate General of State Assets, Ministry of Finance of the Republic of Indonesia, which makes it easy for the public to search, participate, and monitor auction processes digitally, securely, and transparently directly from their mobile phones. Through this application, users can register as participants, view various auction objects such as vehicles, land, and other assets, make auction bid deposits, and make online bids (open bidding or closed bidding) and make payments through an official virtual account. The Indonesian Auction Portal application has been equipped with a security system based on the DJKN Smart Data Center, this application ensures that every transaction is transparent, recorded, and free from fraud.