1. Host-based card emulation. https://developer.android.com/guide/topics/connectivity/nfc/hce.html. Host-based card emulation. https://developer.android.com/guide/topics/connectivity/nfc/hce.html.
2. Most common first names and last names in the u.s. https://names.mongabay.com/male_names.htm. Most common first names and last names in the u.s. https://names.mongabay.com/male_names.htm.
3. Multi-factor authentication. https://www.pcisecuritystandards.org/pdfs/Multi-Factor-Authentication-Guidance-v1.pdf. Multi-factor authentication. https://www.pcisecuritystandards.org/pdfs/Multi-Factor-Authentication-Guidance-v1.pdf.
4. Python implementation of our set difference based RPI. Available at https://github.com/benjaminfuller/CompFE/blob/master/RPISetDifference.py. Python implementation of our set difference based RPI. Available at https://github.com/benjaminfuller/CompFE/blob/master/RPISetDifference.py.
5. The Web Never Forgets