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Matthew Green Cryptographer; teaches cryptography at Johns Hopkins and writes A Few Thoughts on Cryptographic Engineering.
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Moxie Marlinspike Cryptographer; created Signal and the Signal Protocol, and writes occasionally about cryptography, web3 and sailing.
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Filippo Valsorda Cryptography engineer; maintains Go's cryptography libraries as a full-time open-source maintainer, funded directly by companies that use…
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Bruce Schneier Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the…
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Molly White Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.
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Nat Eliason Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.
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Fred Wilson …2003, on venture capital, startups, music and…
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Vitalik Buterin …essays on mechanism design, governance and what cryptography is for, and returns to earlier positions to say which parts they no longer…
Said and published
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Newsletter: The supposedly “unprecedented” ethics restrictions in the industry-written Clarity Act exempt Trump’s crypto businesses and leave enforcement to his loyalists. Senators must vote no on cloture tomorrow.…
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Newsletter: The SEC’s “Reg Crypto” aims to carve out exemptions, the CFTC wields emergency powers to shield prediction markets from state regulators, and a Trump family crypto firm gets a bank charter.…
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Issue 109 – Reg Crypto
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A bit rich for Senator Bernie Moreno — by far the #1 beneficiary of crypto super PAC spending in 2024, now a champion of the industry's legislation — to accuse anyone of caping for special interest super PACs #crypto…
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Newsletter: Firms close up shop amid a continued crypto winter, a Trump venture ditches its crypto plans, and the crypto industry–friendly Clarity Act market structure bill fails to reach a vote before August recess —…
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Local mixing, a new cryptographic obfuscation approach, is a risky bet resembling past failed attempts at white-box cryptography.
This is a wild and risky bet; it sits on a graveyard of failed attempts at white-box cryptography .
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Investing in relationships yields better returns than investing in speculative assets like crypto.
Investing into relationships is a better deal than investing into crypto.
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Issue 108 – In a word, applesauce
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The Senate must reject the Clarity Act’s ethics charade
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our agents will concoct the elixirs to make sinofsky live to age 280 and in 2226 he will be lecturing us about how it’s all like cryptography in the 1990s.
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A sufficiently large random reversible circuit is plausibly a secure cryptographic permutation, while a large random irreversible circuit collapses to only a few possible outputs.
A big-enough random reversible circuit is plausibly a secure cryptographic permutation, a big-enough random irreversible circuit degenerates into having only a few possible outputs.
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"The groups best known for a Harry Potter fan fic and boosting the profile of crypto scammer SBF might be a bunch of silly losers? You're telling me this for the first time."
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…spot trading volume they reported over the past three/six months #Coinbase #crypto…
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Mapping Trump’s crypto empire on Last Week Tonight
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Obfuscation is the most powerful primitive yet conceived in cryptography.
The most powerful primitive that has been conceived in cryptography is obfuscation
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…about defending a yes vote as her re-election prospects look slimmer. #crypto #cryptocurrency #USpol…
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Obfuscation: building the final boss of cryptography (Part I)
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Chapter 30.1: Overflow Want to see how VCs talk in a private chat? How it works when you've got crypto in the mix? Oh, and how confidential information gets leaked to reporters... "You are going to trade on a phone call…
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I’m launching Tech Influence Watch as AI follows crypto into politics
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crypto billionaire Justin Sun has posted an extremely long, extremely weird Twitter post detailing a previous relationship with Chinese actress Jing Tian, suggesting she reneged on a $50 million agreement to use her…
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Issue 104 – World Tyranny Financial
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The blockchain is the most important development in history since the invention of writing, because it is a cryptographically verifiable, highly replicated, unfalsifiable, complete digital record.
…development in history since the advent of writing itself, as it’s a cryptographically verifiable, highly replicated, unfalsifiable, and provably complete digital record of a…
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Issue 105 – The new boogeyman
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The New Private Asset
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Opaque, Interoperable Passkey Records (and a Go API)
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Cryptopals
Cryptopals – a set of exercises to learn cryptography by breaking it. Very fun.
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Cryptonomicon — Neal Stephenson
Cryptonomicon - Neal Stephenson
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Issue 107 – An unserious offer
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A Cryptography Engineer’s Perspective on Quantum Computing Timelines
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On a near-daily basis I get emails offering to pay for "sponsored articles" or for linking to sketchy crypto/casino sites. I guess everyone gets these? Search engines surely prohibit this, but does it get your content…
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Applied Cryptography — Bruce Schneier
Applied Cryptography - Bruce Schneier (Wiley, 1996)
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Trump’s $1.4 billion crypto disclosure
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…see has completely changed meaning. It makes me curious about the idea of cryptographically proving that an image was actually “captured” (recording of photon…
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Second Circuit rejects Sam Bankman-Fried’s appeal
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Zero Knowledge: Twenty Chapters In
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Issue 106 – A tremendous birthday present
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The 2025 Go Cryptography State of the Union
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Very deep principles lie hidden inside theories we already have: public key cryptography was already implicit in the 1930s theory of computation.
Ideas like public key cryptography are I mean, they're just incredibly deep um very non-obvious ideas uh which in some sense lay hidden uh already sort of in in the 1930s.
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The world today is dividing into three poles: the American establishment, the Chinese Communist Party, and the global Bitcoin/crypto network.
Today's world is becoming tripolar. It is NYT vs CCP vs BTC. That's the American Establishment vs the Communist Party of China vs the Global Internet.
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Dear Apple: add “Disappearing Messages” to iMessage right now
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Writing a Novel with Phin Argofy
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If the Riemann hypothesis turned out to be false, prime-based cryptography would be abandoned very quickly, because one unknown pattern implies more.
Um and uh I think we would very rapidly abandon any cryptography based on the primes because if there was a one pattern that we didn't know about there's probably more.
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…to fight disease and grow the world economy, and simply nixed it. The crypto coin that Musk was then not so quietly promoting made a round-trip: the DogeCoin chart runs $0.09 to $0.40 and back to $0.09. But the…
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Read Zero Knowledge As I Write It
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Top 1 Million Analysis – June 2026: The State of Crypto
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Why Most Cryptocurrencies Won’t Accrue Value
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Handling a change of keys is not a backdoor; it is how public-key cryptography works, and interception stays detectable by the sender.
The fact that WhatsApp handles key changes is not a “backdoor,” it is how cryptography works.
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End Citizens United’s Tiffany Muller on fighting big money in politics
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Crypto Twitter Found SBF's Fraud
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Really wish Hacker News would fork into "LLM news" and "all the other Hacker News". It's worse now than it was with crypto during the crypto bubble. Yes, gen-AI is important and I want to learn about it, but there are…
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Gosh this is like a quiet safe haven here. X went completely batshit crazy. Crypto shills attacking me, my account doubling in follower numbers overnight. What a day.
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All Property Becomes Cryptography
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Debanking (and Debunking?)
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Number Go Up — Zeke Faux
I didn't read much non-fiction this year, but the best of what I did read was Zeke Faux's Number Go Up about the cryptocurrency bubble. This book will not change anyone's mind, but it's a readable and entertaining…
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Perpetual futures, explained
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End-to-end cryptographic signing of requests and responses is more secure than relying on transport-layer encryption like TLS alone.
With requests going over TLS it is obviously less critical now, but end-to-end signing is always going to be better than transport-layer security.
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This is a good high-level call to action in a post by @conduition_io on isogeny-based cryptography It comes after a fair amount of detail and math, but you can skip past that part if you're just interested in what could…
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Nic Carter correctly identified the product behind the FDIC’s redacted crypto pause letters.
I think Carter is very likely (90%+) correct with respect to identifying the subject of these letters.
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Cryptocurrency deserves to be dismissed: its problems outweigh its promise, and the trustless world it offers is not one worth wanting.
But wherever this leads us next, it's clear to me now that I was too hasty to completely dismiss crypto on the basis of all the things wrong with it at the moment. Instead of appreciating the fundamental freedom to…
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Kerberoasting
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…course it shows that the concept of the network state, like the concept of cryptocurrency,…
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Thinking of the children
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FTX, Golden Geese, and The Widow’s Mite
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…designed to trick viewers into executing malicious scripts and stealing…
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Crypto's real question was never how transactions settle: changing the currency is something that happens to retired people who have no way of making new money.
There have been countries that have gone through currency resets. This is not a nice experience because if you had a little bit of money, a currency reset can mean you have now no money. If you had no money, it may feel…
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Yes, Blockchain Can Help Us Solve Climate Change – Why I Joined Nori
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Welp, somewhat embarrassingly, yesterday this account was briefly compromised and someone posing as me promoted a crypto project supposedly "tokenizing" manim. Thank you to those of you who quickly flagged it as spam…
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…configs, git credentials, env vars (all your API keys), shell history, crypto wallets, SSL private keys, CI/CD secrets, database passwords. LiteLLM itself has 97 million downloads per month which is already…
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What a shared digital economy needs is interoperability, not cryptocurrency: a database or a standards body does the job, exactly as railway standardisation did.
What you need is interoperability. Interoperability can happen through a blockchain, it can happen through a database, it can happen through standards bodies with defining standards and protocols. And we've been doing…