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The US is now requiring high value / high impact information systems to be quantum-secure by ~2031 instead of 2035: whitehouse.gov/presidential-a… IMO this is an improvement. Security shouldn't be contingent on progress in quantum computers being slow.
@Cheema3Santhosh This is the earliest realistic date for the government to get it done. If you can you should move faster. blog.cloudflare.com/post-quantum-r…
New US executive order signed pulling ahead deadline for PQC migration from 2035 to 2031. No text online yet, but will add once it's out.
Also CMVP is going to be revised "(i) the term “Cryptographic Module Validation Program” has the same meaning as it has in FIPS 140-3, “Security Requirements for Cryptographic Modules,” or any successor policy"
There is reason to. blog.cloudflare.com/post-quantum-r…
Livestream here youtube.com/live/HNipoXNAN… Still waiting for the EO text.
@0x2937 Love VOLEitH that came out of zktls. Anything specific about the latter?
Hot from the press: the broadly-deployed TLS post-quantum key agreement X25519MLKEM768 (countering harvest-now/decrypt-later) is now officially RECOMMENDED.
@0x2937 ML-DSA-44 has been defined for COSE, which is what webauthn uses. So now it's down to libraries and token manufacturers to implement. Haven't followed that closely.
This is from the IANA registry which is set by the IETF. iana.org/assignments/tl…
Quantum vulnerable key agreements are still recommended too... but, one step at a time!
Bas Westerbaan is a cryptography engineer at @Cloudflare. He joins @kbal11 to discuss preparing for Q Day, post quantum cryptography, quantum threats, migration timelines, and readiness. @bwesterb softwareengineeringdaily.com/2026/06/16/pre…
@DGligoroski @omw_to_the_moon @grok It’s quantum error correction overhead. bas.westerbaan.name/notes/2026/04/…
@omw_to_the_moon Doesn’t take away from the point that practically ECC is going to fail first.
@omw_to_the_moon Actually arguably discrete log over elliptic curves is harder for quantum computers with same key size with current understanding… but again, bigger RSA keys.
mjos\dwez @mjos_crypto
4K Followers 663 Following ..often the only visitor to labs whose researchers are not 100% sure if they are doing something very, very secret or just something very few people care about.
sofía celi @claucece
9K Followers 5K Following Proud LatinAmerican • "Legendary quantum lady/cryptographer" • Researcher @brave • she/they • hrpc co-chair @inretafo anti-fraud @w3c @otr_im @LondonU
Lúcás Meier @cronokirby
10K Followers 1K Following Cryptographer @commonwarexyz Opinions do not yadda yadda. Did an MSc (Computer Science) @EPFL. Avid, not fast runner. https://t.co/yOuGtLnGMF on bsky.
Matthew Green @matthew_d_green
155K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxYTdk.
Mara @m_ou_se
44K Followers 405 Following Rust dev, Electronics engineer, Author, @rustlang Library team lead, ADHD, Polyamorous, Lesbian, She/Her
Matthew Prince 🌥 @eastdakota
237K Followers 302 Following A little bit geek, wonk, and nerd. Repeat entrepreneur, recovering lawyer, and former ski instructor. Co-founder & CEO of Cloudflare (NYSE: NET).
Deirdre Connolly¹ @durumcrustulum
6K Followers 3K Following • 🜗 🝒 🝲 crypto as in 'cryptography' 🝳 🝡 🜖 • ¹ isogenist, co-host @SCWpod, @durumcrustulum.com on 🦋
kennyog @kennyog
8K Followers 2K Following Professor of Computer Science at ETH Zurich. Views my own. Apparently in a semi-religious crypto/privacy cult. Join us! He/him.
Thom Wiggers @ThomWiggers
424 Followers 267 Following PhD. Cryptography research @PQShield; Post-Quantum cryptography: protecting the internet against quantum attackers. Mastodon: @[email protected]
Diego F. Aranha 🕷�... @dfaranha
15K Followers 1K Following Associate Professor at @csaudk. Find me at bsky, where I am much more active.
asanso @asanso
7K Followers 2K Following Researcher @ethereum, #cryptography addicted, theorems hoarder (not my own), always up for a run. Opinions are my own
Carsten Baum @crypto_carsten
3K Followers 421 Following Associate Professor in Cryptography at @DTU_Compute in Copenhagen, Denmark. Any opinions are entirely mine.
Kari Linder 🪩🎨 @kkblinder
3K Followers 643 Following It's Kari but Karl is fine too. Draws pictures for Cloudflare 🌥
Pascal Junod @cryptopathe
3K Followers 2K Following cryptographer - certified nerd god - founder @modulo_p_sa - ex-@snap - co-founder @strong_codes - has-been professor - trail runner - kayaker - aidjolat
isis agora lovecruft ... @isislovecruft
24K Followers 981 Following “the bay area’s only hacker”; “peter pan coded”; former quantum cosmologist. i might be a cryptographer but i'm not your cryptographer 🏳️⚧️🏴 forest dweller
Steve Weis @sweis
11K Followers 3K Following Software engineer at @anthropicai interested in cryptography, security, privacy, and machine learning.
Marwan Fayed @marwanfayed
435 Followers 172 Following Research Manager @Cloudflare ⋆ (and sometimes-academic at University of @StAndrewsCS)
Paul Rösler @roeslpa
522 Followers 193 Following Assistant Prof. for Real-World Cryptography at @UniFAU. Worked at @NYUniversity, @TUDarmstadt, and @RuhrUniBochum before.
Isabelle Dumeige @IsabelleDudy0
2 Followers 89 Following
nepser.eth @nepser84
1K Followers 2K Following ./Ai, RWA, FHE+TEE, Zk | Genesis: Mina | Graph Curator | #Privacy
brandon galang ▲ @brandon_galang
4K Followers 2K Following ▲ applied ai, gtm engineering @vercel • ex @amazon @intel • mba @yalesom opinions my own
castaway hash @castawayhash
175 Followers 815 Following
Eric Case @Case
3K Followers 5K Following Staff PM @fastly. Formerly @domainr, @google @blogger & @rdio (RIP). Cyclist and @bungie loyalist. https://t.co/70ynRRhaaF & @case.bike (Bluesky)
Kronos @Kronos_KROS
25 Followers 33 Following
Vu @0x2937
163 Followers 1K Following
Maximus Maximalistus @maximalistus
1K Followers 5K Following Sovereignty Through Mathematics Tips: [email protected] Digital Art: https://t.co/u9HbKyR9tH https://t.co/FpQTN0208O
Augustus-parody @GaiusJul
0 Followers 243 Following (Roman) History, ADODenHaag, ICT Security, not the emperor
Josh Shaked @sha256ked
171 Followers 2K Following
Gordon exclusive gold @Adeygood783
13 Followers 144 Following
Ticket Trust @itsTraderKing
11 Followers 132 Following Contact via DM's only Selling tickets since 2022 900+ active customers Thanks for your valuable support
Arnaud 🛡🔑 @arnaudbrousseau
588 Followers 229 Following Founding engineer @turnkeyhq. Ex-@Coinbase. Proud pup owner.
Gilro Nen @NenGilro
11 Followers 112 Following
Claudia10 @cuntai10
1 Followers 50 Following
Musa jammeh @musa_jamme41644
29 Followers 806 Following
Thomas @DomaOrut
2 Followers 56 Following
Christine Gauthier @Emmanue26379858
82 Followers 1K Following Real Estate | Business Tips | Daily Motivation | Make Up Artist✩
אגי-e/acc @murage_kibicho
3K Followers 5K Following Statistics @Yale | @LeetArxiv - Leetcode for implementing Arxiv papers
Jay @jaypatel
341 Followers 1K Following cofounder of @lygosFinance | ex @anchorage bitcoin, markets, credit, interesting things
arman @armp878794074
15 Followers 254 Following
NIELS @nielsastro
19 Followers 704 Following Passionate about science, data and AI Data Scientist in Quantum Computing PhD in Astrophysics 🌌
: @YElo27154
7 Followers 1K Following
Wo B @WoB1687969
15 Followers 1K Following
Rohan Rajesh @Rajes98818Rohan
41 Followers 4K Following
dongwonjang @_dongwonjang_
3 Followers 11 Following
Drakken @drakkensdal
65 Followers 2K Following
Steve Hou @stevehou
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joy smith @joysmith0oou
1 Followers 94 Following
Silverhawk @Silverhawkah145
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Areej Ayesha Awan @AreejAyeshaAwan
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Rose John @RoseJohni4jx
5 Followers 93 Following
Nishidh @nishidh41
647 Followers 4K Following Advocate at Gujarat High Court and Founder at Oxylex | Amateur Graphic Designer | Alumni: @iitkgp (2011-2014) @NalsarUni @themsubaroda @gujuni1949
Sondra Papanek @SondraPapanek
8 Followers 166 FollowingSue Jepson @onzamap_nz
2K Followers 3K Following Believe in the power of collaboration and cross silo thinking to achieve global and local solutions. Love global learning & sharing!
mjos\dwez @mjos_crypto
4K Followers 663 Following ..often the only visitor to labs whose researchers are not 100% sure if they are doing something very, very secret or just something very few people care about.
sofía celi @claucece
9K Followers 5K Following Proud LatinAmerican • "Legendary quantum lady/cryptographer" • Researcher @brave • she/they • hrpc co-chair @inretafo anti-fraud @w3c @otr_im @LondonU
Martin R. Albrecht @martinralbrecht
4K Followers 439 Following Find me on those other sites if you came here for the fun cryptography.
Lúcás Meier @cronokirby
10K Followers 1K Following Cryptographer @commonwarexyz Opinions do not yadda yadda. Did an MSc (Computer Science) @EPFL. Avid, not fast runner. https://t.co/yOuGtLnGMF on bsky.
Matthew Green @matthew_d_green
155K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxYTdk.
Daniel J. Bernstein @hashbreaker
23K Followers 29 Following Designing cryptography (deployed now: X25519, Ed25519, ChaCha20, sntrup, Classic McEliece) to proactively reduce risks. Coined phrase "post-quantum" in 2003.
Matthew Prince 🌥 @eastdakota
237K Followers 302 Following A little bit geek, wonk, and nerd. Repeat entrepreneur, recovering lawyer, and former ski instructor. Co-founder & CEO of Cloudflare (NYSE: NET).
Deirdre Connolly¹ @durumcrustulum
6K Followers 3K Following • 🜗 🝒 🝲 crypto as in 'cryptography' 🝳 🝡 🜖 • ¹ isogenist, co-host @SCWpod, @durumcrustulum.com on 🦋
Cloudflare @Cloudflare
287K Followers 5K Following Cloudflare is the world’s leading #ConnectivityCloud, and we have our eyes set on an ambitious goal — to help build a #BetterInternet.
Thom Wiggers @ThomWiggers
424 Followers 267 Following PhD. Cryptography research @PQShield; Post-Quantum cryptography: protecting the internet against quantum attackers. Mastodon: @[email protected]
Diego F. Aranha 🕷�... @dfaranha
15K Followers 1K Following Associate Professor at @csaudk. Find me at bsky, where I am much more active.
asanso @asanso
7K Followers 2K Following Researcher @ethereum, #cryptography addicted, theorems hoarder (not my own), always up for a run. Opinions are my own
Steven Galbraith @EllipticKiwi
4K Followers 112 Following Mathematics of public key cryptography. No longer a user of this site.
Kari Linder 🪩🎨 @kkblinder
3K Followers 643 Following It's Kari but Karl is fine too. Draws pictures for Cloudflare 🌥
Marwan Fayed @marwanfayed
435 Followers 172 Following Research Manager @Cloudflare ⋆ (and sometimes-academic at University of @StAndrewsCS)
Lucas Pardue @SimmerVigor
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Maxime Guerreiro @punkeel
2K Followers 2K Following principal software engineer @ cloudflare. Clouds are my owns
Frederic Jacobs @FredericJacobs
18K Followers 3K Following Inactive on X except for countering X & MAGA Propaganda. Better social media options listed on https://t.co/72AVrLhfUr
kache @yacineMTB
297K Followers 6K Following reinforcement learning, robots. prev eng @ x, stripe. 6'3 (height) tensorpunk subscribe to read my blog!
Dan Boneh @danboneh
39K Followers 144 Following
Andrea Basso 🇺🇦 @andreavbasso
495 Followers 1K Following Postdoc researcher on isogeny-based and post-quantum cryptography at @ IBMResearch🇨🇭
Parisa Tabriz @laparisa
56K Followers 4K Following Browser Boss @googlechrome; Security Princess @google; former @usds; skilled at baking, eating, and hijacking cookies.
Cloudforce One @Cloudforce_One
3K Followers 4 Following The official threat intelligence account for @Cloudflare. Follow for threat research, incident assessments, WAF rule updates for emerging threats, and more.
Pat Brans @BransPat
259 Followers 506 Following Science and tech journalist: After 22 years working on the leading-edge, I now write about science, technology, and innovation.
Craig Gidney @CraigGidney
7K Followers 117 Following Programmer turned research scientist on Google's quantum computing team. Maker of Quirk, a fun drag-and-drop quantum circuit simulator ( https://t.co/oeUjGvPHCv ).
Bailey Basile @BasileBailey
456 Followers 17 Following
Tracy Miranda @tracymiranda
4K Followers 3K Following Making open source secure by default. Previously at @chainguard_dev, @cdeliveryfdn, @cloudbees. Open source powered. 🇨🇦 🇬🇧 🇰🇪
Vânia Gonçalves @vgonc
141 Followers 136 Following Research Program Manager @Cloudflare. Proud founder @GeekGirlsPT.
Davide Castelvecchi @dcastelvecchi
6K Followers 1K Following Journalist covering physics, astronomy, math, and technology news @Nature — Pro tip: instead of following me here, get a Bluesky account and look for me there
Anne-Caroline Tanguy @anecaro
1K Followers 3K Following I work for @Cloudflare & my opinions are my own #Digital #Communications & #Marketing + #WorkingMom. #Innovation, #Cloud #IoT #AI #CyberSecurity #Data #Trends
Christian Reilly @reillyusa
18K Followers 4K Following Field CTO EMEA @cloudflare. Former VP, Tech Strategy & CTO @Citrix & @Bechtel and @hashicorp. Imagineer. Golf. Tech Advisor. Bourbon. Man City. Lancs CCC.
Ngoc Khanh Nguyen @KhanhCrypto
713 Followers 181 Following Lecturer (Assistant Professor) in Cryptography at King's College London, interested in post-quantum cryptography and zero-knowledge proofs.
Tim Callan @TimCallan
440 Followers 155 Following Chief Experience Officer at Sectigo (@SectigoHQ). Long time blogger about online security, branding, marketing, and technology.
Peter Shor @PeterShor1
19K Followers 100 Following ♫♫ There's a rich man who's sure that all speech should be free And he's buying the network of Twitter. (And because of this sale, you'll find me on bluesky.)
Veelasha Moonsamy (@v... @veelasha_m
571 Followers 474 Following Professor @HGI_Bochum @CASA_EXC @ruhrunibochum 🇩🇪 Guest Researcher @Radboud_Uni 🇳🇱 Smart mobile device security & privacy researcher
L De Feo @luca_defeo@... @luca_defeo
2K Followers 237 Following Find me: on Mastodon: @[email protected] on Bluesky: @bsky.defeo.lu
Nigel Smart @SmartCryptology
6K Followers 421 Following Interested in cryptography and computing on encrypted data in particular Citizen of Nowhere @[email protected] @smartcryptology.bsky.social
Sam Jaques @sejaques
901 Followers 547 Following Assistant prof at U Waterloo. Loves maths, maps, algorithms, and flashcards. Aspiring full-stack cryptographer. He/him. @[email protected]
Ben Laurie @BenLaurie
6K Followers 280 Following Systems research at Google. @[email protected]. @benlaurie.bsky.social. https://t.co/4Q2q9MN7cC.
Marc Stevens @realhashbreaker
2K Followers 135 Following Father^2. Cryptologist at CWI Amsterdam @cwinl. Likes theoretical and applied cryptanalysis a lot.
Yolan Romailler @AnomalRoil
1K Followers 621 Following Crypto means maths. Black Hat USA & DEFCON speaker. Cryptoanarchist by trade, Cryptogopher playing with PGP by night. Security Guy at @Confi_AI.
Monika Trimoska @mtrimoska
327 Followers 211 Following Assistant professor in post-quantum cryptography at TU/e.
Kathrin Hövelmanns @quantum_bat
404 Followers 213 Following Irène Curie fellow at @TUeindhoven. I like quantum-resistant crypto, math and philosophy. 🐘 QuantumBat, roaming infosec.
David Belson (@dbelso... @dbelson
2K Followers 1K Following Now: TBD Past: @CloudflareRadar @Cloudflare @InternetDsrptn @Fastly @ISOC_Pulse @InternetSociety @InternetIntel @Akamai_SotI @Akamai All tweets are my own.
Rob Stradling @_robstr
418 Followers 78 Following
🧗♂️ Matt Ho... @mholt6
9K Followers 759 Following Imperfect member of the restored Church of Jesus Christ. Husband. Father. Stepdad. Created @caddyserver. Masters in Computer Science.
Signal @signalapp
621K Followers 23 Following Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time.
Let's Encrypt @letsencrypt
84K Followers 5 Following A nonprofit Certificate Authority providing TLS certs to 350M websites. 100% of our funding comes from donations. https://t.co/Qzy8VWWXks
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Emily Stark @estark37
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73 Followers 19 Following
Joe DeBlasio (@jdebla... @deblasioj
418 Followers 2K Following Securing @GoogleChrome's series of tubes. HTTPS, CT, HSTS, usable security, Chrome's VRP, and more. He/him.

























