?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Mardianto%2C+Riski&rft.aufirst=Riski&rft.aulast=Mardianto&rft.date=9+January+2026&rft.title=IMPLEMENTASI+BLOCKCHAIN+SEBAGAI+AUDIT+TRAIL+STATUS+PENGIRIMAN+PADA+WEBSITE+E-COMMERCE+BELANJATECH&rft.degree=S1+-+Sarjana&rft.inst=Universitas+AMIKOM+Yogyakarta