@inproceedings{bailey-21-signal-pins, 
    author = {Bailey, Daniel V. and Markert, Philipp and Aviv, Adam J.}, 
    title = {{``I have no idea what they're trying to accomplish:'' Enthusiastic and Casual Signal Users' Understanding of Signal PINs}}, 
    booktitle = {Symposium on Usable Privacy and Security}, 
    year = {2021}, 
    series = {SOUPS~'21}, 
    pages = {417--436}, 
    address = {Virtual Conference}, 
    month = aug, 
    publisher = {USENIX}
}