+ [HoneyBadger: Quantum Insert Recorder](honeybadger.md) by David Stainton
+ [Xolotl : A compact mixnet format with stronger forward secrecy and hybrid anonymity](xolotl.md) by Jeff Burdges
+ [#i2p-dev: Anonymity as a feature](i2p.md) by Jack Grigg (str4d)
+ [Advertisement for the Proof of Personhood-Party and project](pop.md) by Linus Gasser and Jovanovic Philipp
+ [SENSE a privacy-preserving and secure push service](sense.md) by Linus Lotz
+ [Decentralized PKI system based on blockchains](bc-pki.md) by Bogdan Kulynych
+ [Towards Distributed Online Voting](claimchain.md) by Robert Riemann
+ [Permission to chat? (n+1)sec and the challenges of decentralized authorization in secure multi-party chat systems](n+1.md) by Richard King
+ [Source IP spoofing for anonymization over UDP](spoof.md) by Kirils Solovjovs
+ [net2o - works for me -> works for you + onion routing](net2o.md) by Bernd Paysan
+ [Autocrypt: Email-encryption for everyone](autocrypt.md) by Holger Krekel
+ [p≡p short introduction](pep2.md) by Volker Birk (fdik)
+ [Panel on opportunistic email encryption](panel.md) by Holger Krekel (Autocrypt), Volker Birk (p≡p), and Neal Walfield (GPG)

[CC-SA-BY 4.0](https://creativecommons.org/licenses/by-sa/4.0/) video recording by Bernd Paysan

+ [HoneyBadger: Quantum Insert Recorder](honeybadger.md) by David Stainton
+ [Xolotl : A compact mixnet format with stronger forward secrecy and hybrid anonymity](xolotl.md) by Jeff Burdges
+ [#i2p-dev: Anonymity as a feature](i2p.md) by Jack Grigg (str4d)
+ [Advertisement for the Proof of Personhood-Party and project](pop.md) by Linus Gasser and Jovanovic Philipp
+ [SENSE a privacy-preserving and secure push service](sense.md) by Linus Lotz
+ [Decentralized PKI system based on blockchains](bc-pki.md) by Bogdan Kulynych
+ [Towards Distributed Online Voting](claimchain.md) by Robert Riemann
+ [Permission to chat? (n+1)sec and the challenges of decentralized authorization in secure multi-party chat systems](np1.md) by Richard King
+ [Source IP spoofing for anonymization over UDP](spoof.md) by Kirils Solovjovs
+ [net2o - works for me -> works for you + onion routing](net2o.md) by Bernd Paysan
+ [Autocrypt: Email-encryption for everyone](autocrypt.md) by Holger Krekel
+ [p≡p short introduction](pep2.md) by Volker Birk (fdik)
+ [Panel on opportunistic email encryption](panel.md) by Holger Krekel (Autocrypt), Volker Birk (p≡p), and Neal Walfield (GPG)

[CC-SA-BY 4.0](https://creativecommons.org/licenses/by-sa/4.0/) video recording by Bernd Paysan

# Permission to chat? (n+1)sec and the challenges of decentralized authorization in secure multi-party chat systems #

## Richard King ##

<video width="1280" height="720" controls="controls">
<source src="//net2o.de/33c3/n+1.mp4">
<source src="//net2o.de/33c3/n+1.ogg" type="video/ogg">
<source src="//net2o.de/33c3/n+1.webm" type="video/webm">
Your browser does not support the video tag.
</video>

<!-- embed src="/33c3/doc/trunk/doc/n+1.pdf?view=FitH" width="900" height="675" alt="pdf" pluginspage="http://www.adobe.com/products/acrobat/readstep2.html"></embed -->

[CC-SA-BY 4.0](https://creativecommons.org/licenses/by-sa/4.0/) video recording by Bernd Paysan

# Permission to chat? (n+1)sec and the challenges of decentralized authorization in secure multi-party chat systems #

## Richard King ##

<video width="1280" height="720" controls="controls">
<source src="//net2o.de/33c3/np1.mp4">
<source src="//net2o.de/33c3/np1.ogg" type="video/ogg">
<source src="//net2o.de/33c3/np1.webm" type="video/webm">
Your browser does not support the video tag.
</video>

<!-- embed src="/33c3/doc/trunk/doc/np1.pdf?view=FitH" width="900" height="675" alt="pdf" pluginspage="http://www.adobe.com/products/acrobat/readstep2.html"></embed -->

[CC-SA-BY 4.0](https://creativecommons.org/licenses/by-sa/4.0/) video recording by Bernd Paysan

#!/bin/bash
IFS='"'
grep '\[.*\](.*)' 33c3.md | sed -e 's/.*\[\(.*\)\](\(.*\)\.md) by \(.*\)/\1"\2"\3/g' | while read TITLE filename author; do
cat >template-out.md <<EOF
# $TITLE #

## $author ##

<video width="1280" height="720" controls="controls">
<source src="//net2o.de/33c3/$filename.mp4">

#!/bin/bash
IFS='"'
grep '\+ \[.*\](.*)' 33c3.md | sed -e 's/.*\[\(.*\)\](\(.*\)\.md) by \(.*\)/\1"\2"\3/g' | while read TITLE filename author; do
cat >template-out.md <<EOF
# $TITLE #

## $author ##

<video width="1280" height="720" controls="controls">
<source src="//net2o.de/33c3/$filename.mp4">