Matthew GreenVerified account

@matthew_d_green

I teach cryptography at Johns Hopkins. Screeching voice of the minority.

Baltimore, MD
blog.cryptographyengineering.com
Joined January 2010
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  1. Pinned Tweet
    29 Jan 2017

    List of non-US contact points for crypto/security PhD applicants (by )

    61 replies 287 retweets 822 likes
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  2. 12 hours ago

    Nobody smart thought XML was a great idea back in the hype train of the 2000s. Objectively for many use cases it was stupid. But people found used cases that made sense, and then eventually iterated to better solutions.

    16 replies 1 retweet 42 likes
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  3. 12 hours ago

    Most “tech adoption” problems are really human coordination problems. Hype solves those. It doesn’t matter if you have a better solution, or that you think the proposed solution is stupid.

    4 replies 6 retweets 54 likes
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  4. 12 hours ago

    One of the dumbest lessons I’ve learned in my career is that you should never disregard something that has hype behind it, even if you don’t think the tech makes sense.

    7 replies 16 retweets 89 likes
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  5. 12 hours ago

    I am of the opinion that NFTs are going to be important. But I am also sympathetic to the take below. Don’t mistake *believing in the significance* of a technology for accepting and supporting all of its downsides.

    All these parasitic dickheads are going to *brute force* NFTs onto us. They don’t give the slightest fuck how unpopular they are, they are going to just hammer and hammer until they get what they want and railroad us into acceptance. We’re not being given a choice to abstain.
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    23 replies 18 retweets 102 likes
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  6. Retweeted
    12 hours ago

    The lead singer of Linkin Park has a better take on NFTs, as a technical thing , than some academics on this site. Certainly better than "just use a MySQL databases." Crazy world Then again, most technical criticisms of NFTs(Moxie's aside), are really business criticisms.

    Ah! So here’s something people aren’t explaining: NFTs don’t have to be jpgs. Imagine taking your favorite skin from Valorant, and using it Fortnite. And not paying extra, because you own it. Then using it in CoD, Minecraft, even Twitter, IG. So many possibilities, no?
    9 replies 4 retweets 29 likes
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  7. Retweeted
    13 hours ago

    After watching this video I have decided to leave the crypto community in pursuit of more wholesome contributions to society thank you and goodbye

    316 replies 122 retweets 1,780 likes
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  8. Retweeted
    Jan 10

    Here's to Moxie “sitting alone on the sidewalk in the rain late at night trying to diagnose a service degradation." Individuals dedicating their lives to privacy can and do make a huge positive dent in the course of history.

    4 replies 26 retweets 199 likes
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  9. Jan 10

    I remember Piazza used to have “anonymous posting” but also it would report the exact number of posts each student had made, and if you were intrusive you could just scrape this data. I SWEAR I NEVER DID.

    4 replies 23 likes
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  10. Jan 10

    My students won’t let me into the parts of Slack where they say secret stuff about their advisors, so I’m stealthily probing — one manual query at a time.

    5 replies 10 likes
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  11. Jan 10

    Is it a privacy issue that I can figure out the names of Slack channels that I’m not allowed to see (due to permissions)?

    12 replies 1 retweet 65 likes
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  12. Jan 10

    A friend tried to upload Tank Man and the platform didn’t seem to object.

    2 replies 2 retweets 26 likes
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  13. Jan 10

    In any case, it’s worth flagging this just in case you thought this image scanning tech would stop with child sexual abuse media. There is a whole library of content that people want to censor and surveil: often for perfectly benign reasons.

    4 replies 4 retweets 36 likes
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  14. Jan 10

    I’m sure this has been carefully thought out. I hope it has. Because as described in the post it seems fairly ripe for abuse.

    3 replies 8 retweets 44 likes
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  15. Jan 10

    Facebook (ugh must we call them Meta) is deploying an image scanning system to detect revenge porn. The novelty is that the people reporting the images never have to show the originals to Facebook.

    7 replies 17 retweets 48 likes
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  16. Jan 10

    Have they found anyone? Or is Brian Acton taking over?

    4 replies 1 retweet 25 likes
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  17. Jan 10

    It would be fun to be the new CEO of Signal. And by “it would be fun” I mean “absolutely it would not be fun.” I hope they’ve found someone tough to do it.

    7 replies 7 retweets 257 likes
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  18. Retweeted
    Jan 10

    Twitter Asks Court To Reconsider Order To Unmask Anonymous Critic Of A Billionaire Over Questionable Copyright Claims

    24 retweets 28 likes
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  19. Jan 10

    I don’t know if this is for real, but AT&T and T-Mobile blocking iCloud Private Relat seems like a huge anti-privacy move.

    T-Mobile begins blocking iPhone users from enabling iCloud Private Relay in the US by
    24 replies 80 retweets 284 likes
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  20. Retweeted
    Jan 10
    Replying to

    I get the same message on AT&T

    6 replies 13 retweets 57 likes
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  21. Retweeted
    Jan 10

    T-Mobile begins blocking iPhone users from enabling iCloud Private Relay in the US by

    73 replies 150 retweets 384 likes
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