Filippo ValsordaVerified account

@FiloSottile

Cryptogopher [RC F'13, F2'17]

filippo.io
Joined June 2009
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  1. Pinned Tweet
    Nov 28

    Want to help keep the Internet free and running? A lot of projects do great work. and I made a list of where we think your donations would matter most.

    7 replies 52 retweets 96 likes
  2. Retweeted
    14 hours ago

    Register for 2018 soon or be disappointed. We are reaching our capacity.

    6 retweets 4 likes
  3. Retweeted
    24 hours ago

    I can't make it to RWC2018 so I'll match Filippo's offer. Promise to send me a write-up of the best talk you attended at RWC and I'll pay for your registration. Preference goes to students and underrepresented groups in cryptography.

    My favorite conference of the year, Real World Crypto, is coming up, and it’s in Zurich! If you (broadly speaking) study crypto and wouldn’t attend because money, DM me something you made (a cryptopals solution, blog post, uni assignment…) and I’ll pay your registration.
    3 replies 54 retweets 91 likes
  4. Dec 10
    Replying to

    Unfortunately I can’t help with accommodation (or travel), but maybe someone else can?

    Replying to @FiloSottile
    Is there a couch I can crash on? 😁
    1 reply 2 retweets 4 likes
  5. Dec 10
    Replying to

    I’m just looking for an interest in cryptography, no need to send some impressive piece of research! You can also tell me about a thing you learned. … but knowing I meant cryptography and not cryptocurrencies might be a requirement. We are losing that war, aren’t we?

    3 replies 7 retweets 67 likes
  6. Dec 10

    My favorite conference of the year, Real World Crypto, is coming up, and it’s in Zurich! If you (broadly speaking) study crypto and wouldn’t attend because money, DM me something you made (a cryptopals solution, blog post, uni assignment…) and I’ll pay your registration.

    18 replies 201 retweets 419 likes
  7. Dec 8

    The best Chrome Dev Tools feature.

    2 replies 37 retweets 175 likes
  8. Retweeted
    Dec 5
    Replying to

    If it's not clear — THIS is why at we bring people from underrepresented backgrounds to conferences. To open these doors.

    3 replies 7 retweets 23 likes
  9. Retweeted
    Dec 5
    Replying to

    I have to know how this happened. You were just walking around waving a sign which said "cperciva fan club"?

    1 reply 1 retweet 27 likes
  10. Dec 5
    Replying to

    I also met on the floor (literally) of 31c3 by discovering we were both fans of , and proceeded to come up with the Tor HS attack we demoed at HITB2015AMS, but that’s another story.

    RT if a connection you've made at a technical conference has ever significantly impacted your career.
    1 reply 2 retweets 15 likes
  11. Dec 5
    Replying to

    “Holy khvbdfkhbskj I know Trevor Perrin!?” In such a small community, this kept happening. The lesson that the people you admire are “made of meat” and you can walk up to them stuck with me, and drives me since. 3/3

    1 reply 3 retweets 28 likes
  12. Dec 5
    Replying to

    Next year, I go to my first BaySec. And he’s there! And he recognizes me, cool! While chatting, he mentions working on the Signal protocol. Oh. And then someone calls him Trevor. Wait... It was Trevor Perrin. 2/

    3 replies 2 retweets 22 likes
  13. Dec 5

    Here’s a story that shaped my career. RWC 2013, just out of Recurse. I sit next to this guy, we chat and he tells me he designs crypto as a consultant. Cool! That’s my dream! But I don’t catch his name, alas. 1/

    RT if a connection you've made at a technical conference has ever significantly impacted your career.
    1 reply 3 retweets 35 likes
  14. Retweeted
    Dec 5

    RT if a connection you've made at a technical conference has ever significantly impacted your career.

    59 replies 966 retweets 744 likes
  15. Dec 5

    The class acts at showing how to welcome new research. Also, don’t shield 3.9246 ZEC and immediately unshield 3.9246 ZEC. Nothing can help you against traffic analysis.

    2 replies 48 retweets 133 likes
  16. Dec 4

    TIL how fast LCY airport responds to an unmarked poster tube left unattended in the check-in area. It’s fast. In other news, TIFU.

    2 replies 2 retweets 48 likes
  17. Dec 2

    This is a first. denied me a fare because of my age. Only allowed me to book one 300€ more expensive. By the time the call center opened, the basic fare had gone up 200€. After 1h of call, no fix, no compensation, just apologies.

    6 replies 8 retweets 32 likes
  18. Retweeted
    Nov 29

    Everyone uses OpenBSD's work, but their entire fundraising target for 2017 is roughly the cost of a single Google engineer. That's why they're on our list at

    OpenSSH doesn't allow an empty password by default (PermitEmptyPasswords no). Hey the OpenBSD folks saved your ass there. And they need money
    2 replies 132 retweets 161 likes
  19. Retweeted
    Nov 28

    Tonight and I are publishing a list of internet freedom and infrastructure charities that we support. We're confident they can use the money well and that even small amounts will be meaningful.

    4 replies 24 retweets 40 likes
  20. Nov 28
    Replying to

    And it's still ! If you almost missed it (we did), this is a ready-to-go list of great projects and I made while planning our own donations.

    1 retweet 2 likes
  21. Nov 28
    Replying to

    You might not see some big popular projects on . That's not because they are not great, but because we aimed for those where we know a little money can make a big difference.

    1 reply 2 retweets 8 likes

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