moltenbit @moltenbit.bsky.social Security researcher. Bug bounty hunter. Finding vulnerabilities. Occasionally writing about it at moltenbit.net
blog: https://moltenbit.net
mastodon: https://infosec.exchange/@moltenbit
Nadim Kobeissi @nadim.computer Applied cryptographer. Mainly working in the cryptography auditing industry, but sometimes venturing back into academia. https://nadim.computer
Dr. Tom 7 Murphy VII Ph.D. ! @tomvii.bsky.social http://tom7.org
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Threema @threema.ch Seriously secure messaging. https://threema.com
If you have questions, please contact us via https://threema.id/%2ASUPPORT or support@threema.ch.
Impressum: https://threema.com/impressum
2600 Meetings @2600meetings.bsky.social First Friday of the Month
Find your local meeting or start your own!
https://www.2600.com/meetings
Marc Frei @marcfrei.bsky.social https://netsec.ethz.ch • https://yaler.net
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Rahul Satish @rahulsatish.bsky.social PhD at IT University of Copenhagen
Working on cryptography, security and privacy
rahulbs.me
The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
Rawane @ra1issa.bsky.social I work in cryptography and privacy. Im currently at Galois, inc.
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
Ian Miers @secparam.bsky.social UMD CS Prof. Security and applied cryptography. 
Mayank Varia @mvaria.bsky.social Cryptographer • Associate Professor at Boston University
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employers’
I did a TED talk once
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
Evan Greer @evangreer.bsky.social Queer activist, writer, and musician causing problems for the powerful. Director of Fight for the Future. New album "AMAB/ACAB" out 9/19/25 on Get Better Records. $5 ft. Eve 6 out now on your fav surveillance capitalist streaming platform she/her/they/them
lucy qin @lucyq.bsky.social security & privacy researcher, postdoctoral fellow at Georgetown University
https://lucyq.in
Shaanan Cohney @shaananc.bsky.social Computer Security, Privacy, and Public Policy. Deputy Head of Computing and Information Systems, University of Melbourne. Former Fellow for Sen. Ron Wyden.
Likes teaching. Likes research. Likes Singing.
https://cohney.info
Seny Kamara @senykamara.com I design encryption algorithms for a living but am a Hip Hop scholar at heart. Former CS professor at Brown & research scientist at Microsoft. I currently lead research at MongoDB. I think about how data, algorithms, power and culture intersect
IACR Crypto @iacrcrypto.bsky.social Official account for the IACR Crypto conference https://crypto.iacr.org
crypto_doodles @cryptodoodles.bsky.social drawing cryptographers, one talk at a time
Diego F. Aranha @dfaranha.bsky.social Associate Professor of Cryptographic Engineering at Aarhus University. https://dfaranha.github.io/
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
Steven Murdoch @steven.murdoch.is Professor of Security Engineering; Head of UCL Information Security Research Group @sec.cs.ucl.ac.uk; Director Open Rights Group. 🐘 https://mastodon.social/@sjmurdoch 🐦 @sjmurdoch 🌍 https://murdoch.is/
ePrint Updates @eprint.ing.bot Unofficial bot tracking the IACR Cryptology ePrint Archive (eprint.iacr.org). Maintained by @str4d.xyz.
Currently only posts about new papers. Author names are linkified to Bluesky accounts (cryptography.social); contact maintainer for inclusion/removal.
Marcel Keller @mkskeller.bsky.social Cryptographer who likes to implement multi-party computation and works for CSIRO's Data61. Views my own. 🏳️🌈🇨🇭🇦🇺 (he/him)
Pascal Junod @cryptopathe.me applied cryptographer - certified nerd god - head of cryptography & research at duokey - founder modulo p - ex-Snap - co-founder ex-strong.codes - has-been professor - trail runner - aidjolat
Helger Lipmaa @helger.bsky.social Cryptography professor at the University of Tartu, Estonia. Zero-Knowledge. SNARKs. 
Claudio Orlandi @claudiorlandi.bsky.social Professor in #Cryptography at Aarhus University. Research interests: #MultipartyComputation #ZeroKnowledge #Blockchain
Building: Partisia Blockchain, Concordium.
Originally from Florence, Italy.
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Chelsea Komlo @chelseakomlo.bsky.social (Real world) Cryptographer.
chelseakomlo.com for more info. 
isis agora lovecruft (they/them) @isis.bsky.social anarchist; the bay area’s only hacker; once-upon-a-time theoretical physicist. i might be a cryptographer but i'm not your cryptographer.
helped build tor, signal, zcash, firefox, probably some other things folks use sometimes. 🏳️⚧️
Steve Weis @handle.invalid Security Engineer interested in cryptography, information security, & privacy engineering.
Julian Loss @julianloss.bsky.social I’m a cryptographer working on digital signatures, consensus algorithms, and more. Professor for Computer Science at Ruhr University Bochum.
Philipp Jovanovic @philippjovanovic.bsky.social Professor in Information Security at UCL
Alumnus of EPFL and University of Passau
https://philippjovanovic.com/
Ted @desfontain.es A little pinch of randomness here and there and poof, your data is now protected. Magic! ✨
(I don't read DMs. Send me an email instead.)
🌉 bridged from ⁂ https://hachyderm.io/@tedted, follow @ap.brid.gy to interact
Adam Smith @adamsmith.xyz Professor of computer science at Boston University. Not related to any economists, living or dead, as far as I know.
Dan Bogdanov @danbogdanov.bsky.social Chief Scientific Officer at Cybernetica. Bleeding edge tech in privacy, identity, cybersecurity, e-government. Personal opinions only. Do ask about Sharemind!
Conrado @conradoplg.bsky.social Cryptography and related subjects, and a few random tweets in Portuguese.- R @reaperhulk.bsky.social @reaperhulk.bsky.social
Matt Bernhard @mbernhard.com I do election stuff and security stuff, and sometimes election security stuff.
https://mbernhard.com
Tom Thorogood @tmthrgd.at I'm a mid-tier corporate nobody doing nothing for no one.
ADL, AUS // tomthorogood.net
azet @azet.org «slacker by trade, hacker by mindset, phreak by nature»
azet.org ⋮ distributed systems, security/resilience, applied cryptography & anarchism. HPC. audio. cave & technical diving…
» twi𝕏ter –• @a_z_e_t
» work ——• resilient.systems
Ⓐut★n⊕m⊜us Σys⚑∄m
Soatok @soatok.bsky.social 30-something gay furry with an interest in cryptography and software security.
Mastodon: https://furry.engineer/@soatok
Blog: https://soatok.blog
🎨 https://mrjimmydafloof.bsky.social
- B Daniel Bourdrez @bytemare.bsky.social
Cendyne @cendyne.dev Cryptography and Cloud security and infrastructure lugia-naga
Chris Peikert @chrispeikert.bsky.social Cryptographer (lattices/post-quantum), Burks Collegiate Professor at U-Michigan Computer Science and Engineering, Chief Scientific Officer at Algorand, PhD from MIT CSAIL. Previously faculty at Georgia Tech School of CS. Here I speak for myself.
Martin R. Albrecht @malb.bsky.social Cryptography Professor at King's College London and Principal Research Scientist at SandboxAQ. Erdős–Bacon Number: 6. He/him or they/them.
https://malb.io
Michael McLoughlin @mmcloughlin.com Mathematical Software Engineer
Peter Schwabe @cryptojedi.bsky.social Researcher in cryptographic engineering at MPI-SP.- J Frank Denis @jedisct1.bsky.social Zig, Cryptography and stuff.
Crypto & Privacy Village @cryptovillage.bsky.social We help bring cryptography & privacy knowledge to the hacker community.
Josh Baron @joshbaron.bsky.social Interested in cryptography, privacy, and anonymity. Former @DARPA PM. All opinions are mine alone. Personal account.
Nigel Smart @smartcryptology.bsky.social Cryptographer
Remko Tronçon @mko.re Software · Music
Sean Bowe @seanbowe.com Cryptography researcher, developer of Zcash
Yolan @anomalroil.bsky.social Crypto means maths. Cryptogopher doing random stuff on the internet, quite literally.- P Pratyush Mishra @pratyush.zip Current: Asst Professor at Penn CIS
Past:
Cryptographer at Aleo
Crypto and computer security PhD, UC Berkeley
he/him
Website: pratyush.zip
Photoblog: photos.pratyush.zip
George Tankersley 🍄 @gtank.bsky.social You can't hide secrets from the future with math, but I try.
socrates1024 @socrates1024.bsky.social junior product @ teleport.best
adjunct associate prof @ uiuc
Péter Szilágyi @karalabe.bsky.social Founder @dark.bio
Former Go Ethereum Lead (2015-2025)
J.C., keeper of MiniSquish 🏳️⚧️ @insufficient.coffee Pilot. SWE. SRE. WebPKI and Cryptography Engineer. Stuffed-animal handler. Work @ Lets Encrypt (opinions my own). Arizonan. 🇺🇸🏳️⚧️🏳️🌈
They/them https://en.pronouns.page/@jc_coffee
- Former editor of W3C WebAuthn.
- Blog at https://insufficient.coffee/
Sean Devlin 🍄 @toadstyle.org he/him
https://toadstyle.org/cryptopals/
Jon Callas @joncallas.bsky.social Boffin, flâneur, ailouroboskos. Kubrick homage self-portraitist. Also cryptography, human rights, and stuff. Founded PGP, Blackphone, others; worked for DEC, Apple, SRI, ACLU, EFF, others. Was ShmooCon program chair for all twenty conferences.
William Woodruff (1.3.6.1.4.1.55738) @yossarian.net skeeting in accordance with the universal law.
yossarian.net / blog.yossarian.net
lvh @lvh.io infosec for startups, founder Latacora, president Clojurists Together, GP Lagomorphic Capital, he/him
Stephan Somogyi @thinkpanzer.bsky.social Primum non nocere
Research & Teaching @ Columbia Journalism School
Willful & premeditated emdash & serial comma user; verber of nouns
Often staring down both barrels of Brandolini's law
Recovering tech, business, and design journo
Weniger, aber besser.
aaron gable @aarongable.com Human rights 🏳️⚧️✊🏾, D&D 🐲, LEGO 🧱, SFF 🚀, and cats 🐱. Open Sourcerer @letsencrypt. he/they. Opinions are my own, truths are universally acknowledged.
Tancrède Lepoint @tancre.de Applied Scientist at AWS • Cryptographer • My opinions are my own • 🏳️🌈 (he/him)
rmhrisk @rmhrisk.bsky.social Dropout. Father. I build things. Security, Cryptography, Engineering, Entrepreneurship.
@peculiarventure
+ x-MSFT + x-GOOG ++. Also on @rmhrisk@infosec.exchange and twitter.com/rmhrisk
Geoffroy Couprie @geoffroycouprie.com Messing with Rust and cryptography
Emanuele Cesena @0x0ece.bsky.social Making the open source SoloKeys.com and the Everdragons2.com NFT. Former security at Pinterest, now at Jump.
parker higgins @xor.blue computer person, dancing animal
Colm MacCarthaigh @colmmacc.bsky.social VP / Distinguished Engineer at Amazon Web Services. Also: Open Source and Apache, Cryptography, Irish Music, mediocre Photography.
Donncha Ó Cearbhaill @donncha.is Head of Security Lab - Amnesty International
Hunting spyware and unlawful surveillance targeting activists and civil society.
For help with digital forensics or suspect spyware threats contact: https://securitylab.amnesty.org/get-help/
Michele Orrù @tumbolia.bsky.social A curious child. https://michele.orru.net
✨ saleem ✨ @saleem.bsky.social my job is just beach, but sometimes it’s mountains ✨ he/him
https://twitter.com/saleemrash1d
David Adrian @dadrian.io Used to do TLS, still kind of do TLS. PM at Chrome Security. Founded Censys. @scwpod.bsky.social
yan @yan.bsky.social security at brave software / @bcrypt on twitter
Frederic Jacobs @fredericjacobs.com www.fredericjacobs.com
https://ger.mx/A-RGsldmQt0iXfnzPgXNzLzA5_jvDbWHabqz1yJrt2ma#did:plc:oxwmqopgbm3driwzues7odpz
Deirdre Connolly¹ ² @durumcrustulum.com 🜗 🝒 🝲 crypto as in 'cryptography' 🝳 🝡 🜖
¹ isogenist, co-host SCWpod
² https://durumcrustulum.com, https://www.youtube.com/@durumcrustulum
Cynthia @cynthia.re Security researcher amateur. Cert Slayer, Trans, WHOIS witch, nerdy about computer stuff. Hugger of BLÅHAJ.
she/her
https://cynthia.re
Why @why.bsky.world Wandering Wizard Utopian
General Partner @mana.inc
🌳
str4d @str4d.xyz Cryptography, privacy, zero knowledge, Rust, Zcash dev, gaming, hardware hackery, art appreciation. He/him.
https://str4d.xyz
https://abyssdomain.expert/@str4d
age18f63qx4gk8x7p4lfuwwglqcan7snvp406q5vmk26g9fmpe9c799qqzzr3w
Matt M @mattm.bsky.social 
CardiOnCryptography @bsky.gay they 🏳️⚧️ putting the crypt in cryptography 🪦
Cryspen @cryspen.com High Assurance Software
Wrenna Robson @wrenr.bsky.social Sometime cryptographer, sometime verification nerd. I like to stare at theorem provers until my brain tingles. Lean user. EasyCrypt-curious.
Christopher Patton @cjpatton.bsky.social cjpatton.net - opinions are my own
Anna Lysyanskaya @annalysyanskaya.bsky.social www.cs.brown.edu/~anna
CS Prof @ Brown. Cryptography, especially privacy-preserving protocols, such as anonymous credentials. she/her
American, originally from Ukraine.
Probabilita @dakoraa.bsky.social Karolin Varner (they/them). Autistic sphere of doom. Ticcing trans* potato. Proovably queer cryptography engineer. Especially abled.
@kora@chaos.social
Formerly: @dakoraa (twitter)
Scott A @ciphper.bsky.social Cryptography and software security nerd
https://scottarc.blog
Real World Crypto Symposium @rwc.iacr.org The official Real World Cryptography Bluesky feed. Follow us for news of upcoming events.
Lúcás Meier @cronokirby.com Cryptographer working on Penumbra
Cryptography, FP, Math, and other cool stuff.
Blog too infrequently at cronokirby.com
Lost in Seattle somewhere
Fredrik Dahlgren @fegge.bsky.social Cryptography and static analysis @ Trail of Bits