Crypto 2020

August 17-21 2020


Rump Session

This year's CRYPTO 2020 rump session will be a special one. On the one hand, CRYPTO is celebrating its 40th anniversary this year, on the other hand, we will not be at UCSB for the first time ever. Instead, the CRYPTO 2020 rump session will take place virtually this year, but we still want to make it a celebration of 40 years of CRYPTO.

As is tradition, the rump session will take place at the end of the second day of the conference. To most people, this will be known as Tuesday, but for some it might end up being Wednesday already. Please have a look at the full CRYPTO program to figure out when the rump session takes place for you!

A successful rump session crucially depends on you, the attendees of CRYPTO 2020, to send in your best submissions so we can create a cracking program. Do you have breaking news, progress reports, or other topics of interest to the cryptographic community? Can you keep your talk short and entertaining? The rump session is where people show off their talents, present breaking news, humorous takes on the subject, or in rare cases either present their rejected CRYPTO submission, or present work under submission in the hope of influencing program committees.

To honour 40 years of CRYPTO, the theme of this year's rump session will be celebration. Try to incorporate something festive in your presentation, even if it's as simple as a drawing of a chocolate covered strawberry on your title page. We ♡ creativity!

Rump Session Program

YouTube Recording

Call for Contributions

You missed the deadline. Maybe next year.

You can submit your proposals by submitting the form linked below before the end of the break following Silvio Micali's Distinguished Lecture (on the first day of the conference). Any submissions mucking up the form or otherwise not following these guidelines may be summarily rejected. Some submissions may have to be rejected or shortened because of time constraints (and we have less time allocated than usual).

Please remember that the rump session is meant for short and entertaining presentations. To encourage you all to send in and give humorous talks, there will be a Best Presentation Award at the rump session. Aside from eternal glory, the prize is secret.

Submission Guidelines

Time constraints: 1-5 minutes, 6 minutes if very funny

Submission deadline: Monday 17 August 2020 18:30:00 UTC

We will only be accepting a very limited number of talks (if any) related to any conference/meeting announcements or job adverts since these types of announcements are now well served by the IACR's online Calendar of Events and Open Positions in Cryptology web pages. However, if you want to submit one slide only for such events then we may display these during an opportune moment.

The detailed program for the rump session will appear here when it's ready. There are no current plans to distribute printed programs, but we strongly encourage people to send each other postcards!


The rump session will be run via Zoom and will be live simulcast on YouTube and both video and slides will be made available online to the wider world afterwards. The act of submitting will be taken as your consent to these terms. Note that it is your responsibility as a rump session contender that no plagiarism or copyright infringements take place. Do not play copyrighted music as part of your talk under any circumstances. If you aren't sure, it's probably copyrighted.

Speakers will be asked to share their own screen at the time of the talk. To reduce the talk-switching time, we encourage all the speakers to locally practice screen sharing on Zoom. Upon request we will also offer a practice session for users unfamiliar with Zoom, please indicate as part of your submission.


For the submission we need either a PDF or Powerpoint, but the rump session will be virtual through Zoom. The current presenter will be in focus and can share their screen. This means that you can use your own machine to run your part of the rump session, so if you don't want to use PDF or Powerpoint, simply submit a placeholder title-page instead. It also means you can update slides until quite late. Some people might like to tinker with their presentation until the last minute, so this year is your opportunity!

Even if you plan a live presentation or something else that doesn't involve slides, we require you to submit at least a title slide. The reason is that we will let every speaker share their screen at the beginning of their talk, thereby bringing the focus to them before the start of their talk.

Detailed Instructions

The organizers will start the Zoom session 10 minutes before the rump session starts (August 18 at 19:50 UTC).

  1. All speakers are strongly encouraged to use the desktop client to connect to the session; the web client can have sound and screen sharing issues.
  2. We expect speakers to be in the Zoom session at least 20 minutes prior to the scheduled start of their contribution. We will announce the running order well in advance.
  3. We will send a private message via Zoom to signal the speaker(s) to be ready shortly before the start time of their talk. The speaker should be prepared to be share their screen and start talking after being introduced by us live on the stream.
  A final reminder: do not play copyrighted music as part of your talks. Yes, we're serious. Yes, we know it's a bummer. Since the rump session is recorded and posted on YouTube, if you play copyrighted music, the IACR YouTube account is at risk of being shut down. Please don't put us at risk!

Rump Session Chairs