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Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.

• "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."
  Quoting@jessesingalwe've reached the phase where a bunch of people have learned about EA or rationalism for the first time, have decided it's insanely weird and cultish, and are now reverse-engineering reasons to hold this belief

  cryptoRelated

Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.

• Nick Shirley: Exposing Government Fraud, Suing California & Taking on the Media

  governmentRelated

Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.

• Annie Lowrey on the Time Tax, Fraud, and Rationing by Paperwork

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Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.

• JD Vance on AI, Entitlement Fraud, Iran War, Israel, H-1B Abuse & the Midterms

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• The Clarity Act cloture vote has failed by a 49–50 margin; well short of the 60 votes needed. No Democrats crossed over to vote for the bill, and three Republicans voted against. Senator Collins’ (R-ME) NO vote on Clarity was the most surprising today. She was defending the bill to constituents as recently as last week. My guess is she did not believe the bill had a chance to pass, and was more worried about defending a yes vote as her re-election prospects look slimmer. #crypto #cryptocurrency #USpol #USpolitics

  cryptoRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• MastodonNewsletter: 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. https://www.citationneeded.news/clarity-act-ethics-charade/ #crypto #cryptocurrency #USpol #USpolitics #ClarityAct #CitationNeededNewsletter

  cryptoRelated

• NewsletterThe Senate must reject the Clarity Act’s ethics charade

  The supposedly “unprecedented” ethics restrictions exempt Trump’s crypto businesses and leave enforcement to his loyalists

  cryptoRelated

Free software developer and longtime Debian developer; author of git-annex, etckeeper, ikiwiki and debhelper. Lives and works off-grid.

• Receptionist claimed that if I self paid for a doctors visit it would he insurance fraud. Sigh, now I have to write a letter to their board suggesting they not mislead their patients. (I assume it would violate an agreement they have with the insurer, which is no excuse for that behavior)

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Former option trader and risk analyst, now a distinguished professor at NYU. Author of the Incerto essay series, including The Black Swan and Fooled by Randomness.

• Every single person on this list would trigger the least sensitive fraud detector. (Hasbara has been overactive).

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Mathematical physicist at UC Riverside. Wrote This Week's Finds in Mathematical Physics and now the Azimuth blog on mathematics, physics and environmental science.

• News flash: OpenAI claims formal proof that Navier-Stokes solutions can blow up. They used 10,000 agents simultaneously, who sent 2.7 million messages and used ~130 billion output tokens. They will not claim the $1,000,000 Millennium Prize for this result. This prize is not going as expected. The first winner refused to take it, saying the math establishment is corrupt. The second possible winner is a team of 10,000 AIs whose human masters turned down the prize. 😆 https://openai.com/index/navier-stokes-solution/ (1/2)

  OpenAIRelated

Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• 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 Trip did not understand."

  zeroknowledge.ink

  cryptoRelated

Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.

• A pump-and-dump dressed up as a fake cabinet post?: Elon Musk’s DOGE took money Congress had lawfully appropriated 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 800,000 or so who would be alive today without DOGE’s illegal and unconstitutional chaos-monkey wrecking ball did not come back: **Elon Musk & His DOGE & DogeCoin... 1/

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Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.

• Longreads + Open Thread

  Loans, Aztecs, Robotics, Research Fraud, Moritz, Resorts International, The AI Trade, Cohn

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Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.

• Update on “I don’t understand this paper claiming election fraud in 2024 in Pennsylvania”

  Last year we briefly discussed a hard-to-follow paper by political scientist Walter Mebane discussing possible “malevolent distortions of electors’ intentions.” Carter Walker and Jessica Huseman at the election news sit…

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Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.

• Some questions: Would inflation be even worse if we weren’t in a housing recession? Are private markets the perfect place to hide fraud? Are colleges screwed? Is NVDA the anti-bubble? How important is the wealth effect to the economy?

  inflationRelated

Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.

• Reading the latest analysis of suspected academic fraud by the @DataColada team and having all the feels. It's really remarkable what they do, and often quite funny, but the whole thing is pretty disheartening too.

  datacolada.org

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• MastodonNewsletter: 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. https://www.citationneeded.news/issue-109/ #crypto #cryptocurrency #USpol #USpolitics

  cryptoRelated

• NewsletterIssue 109 – Reg Crypto

  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

  cryptoRelated

Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.

• Between wallets for agents with @link (and @privy), MPP, Tempo, MCP, Stripe CLI, Agentic Commerce Suite, sandboxes, OpenRouter, Metronome/metered billing, Radar and distillation/token fraud, it turns out that "the economic infrastructure for AI" implicates a lot. Pretty much every layer of the Stripe stack is changing, and it’s a very good time to join if you want to build high-scale software that facilitates the practical deployment of this new intelligence.

  MCPRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• 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 #cryptocurrency #USpol #USpolitics

  cryptoRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• 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 eggs to have a child with a surrogate (screenshots machine translated) #JustinSun

  cryptoChinaRelated

Founder and former CEO of Zynga, the social-games company behind FarmVille, Zynga Poker and Words with Friends; says he founded ten companies in all, and wrote Life at the Speed of Play.

• Any Dem who fails to denounce piker, worse stands next to him is a total fraud. Its the easiest litmus test ever presented.
  Quoting@EricLDaugh🔥 WOW! Marine Joey Jones just OBLITERATED Hasan Piker for glorifying Charlie Kirk's death "How tall is Hasan Piker? 6'3, 6'4, maybe 6'2? I didn't know they could STACK SH*T that high — because THAT'S WHAT THAT IS." "God FORBID, if I'm ever in a place where I feel like I should celebrate the death…

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Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Issue 108 – In a word, applesauce

  Firms close up shop amid a continued crypto winter, a Trump venture ditches its crypto plans, and the Clarity Act fails to reach a vote before August recess

  cryptoRelated

Pseudonymous writer; posts careful, funny investigations of everyday questions — air quality, seed oils, arguing, chess — usually by reading the studies.

• 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 removed from LLM training?

  LLMscryptoRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Mapping Trump’s crypto empire on Last Week Tonight

  A new Citation Needed data project maps the Trump family’s web of cryptocurrency ventures, which have been generating billions in income for the president.

  cryptoRelated

Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Zero Knowledge: Twenty Chapters In

  A month ago I opened up Zero Knowledge, the crypto-thriller I'm co-writing with my AI. There are twenty chapters now, a cast page, a plate for every chapter, and a pile of reader notes I'm grateful for.

  cryptoRelated

Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.

• Issue 107 – An unserious offer

  The crypto industry has spent $200 million to get a bill too corrupt for Democrats to pass and a president too corrupt to sign anything that might meaningfully limit his grift.

  cryptoRelated

Cryptography engineer; maintains Go's cryptography libraries as a full-time open-source maintainer, funded directly by companies that use them.

• Opaque, Interoperable Passkey Records (and a Go API)

  Passkey records are an interoperable format for WebAuthn credentials, similar to password hash strings. I propose a potential crypto/passkey Go API based on them.

  cryptoRelated

Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.

• The New Private Asset

  Privacy tokens were delisted from exchanges 73 times in 2025, yet they became crypto's best-performing sector. Here's why.

  cryptoRelated

Security researcher; built Report URI and Security Headers, and writes about web security in practice.

• Top 1 Million Analysis – June 2026: The State of Crypto

  This is part two of the ten-year anniversary Top 1 Million Analysis. Part one covered the broad state of the web — HTTPS, the security headers, cookies, email and DNS hygiene. This part is the bit I've been most excited…

  cryptoRelated

Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Read Zero Knowledge As I Write It

  Zero Knowledge, the crypto-thriller I'm co-writing with my AI, now has a home at zeroknowledge.ink. Six chapters are live, you can mark up any sentence, and the whole thing is being built in the open.

  cryptoRelated

Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Writing a Novel with Phin Argofy

  I've written nine non-fiction books and have no idea if I can write a novel. I'm trying anyway: a crypto-thriller called Zero Knowledge, co-written with my AI, Phin Argofy.

  cryptoRelated

Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.

• Notes on a non-profit indicted for bank fraud

  Well-regarded non-profit runs domestic intelligence agency; distributes intelligence product; achieves adoption in financial infrastructure; recruits agents and allies; intervenes against U.S. political fundraising.

  AmericaRelated

Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".

• Software horror: litellm PyPI supply chain attack. Simple `pip install litellm` was enough to exfiltrate SSH keys, AWS/GCP/Azure creds, Kubernetes 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 terrible, but much worse, the contagion spreads to any project that depends on litellm. For example, if you did `pip install dspy` (which depended on litellm>=1.64.0), you'd also be pwnd. Same for any other large project that depended on litellm…
  Quoting@hnykdaLiteLLM HAS BEEN COMPROMISED, DO NOT UPDATE. We just discovered that LiteLLM pypi release 1.82.8. It has been compromised, it contains litellm_init.pth with base64 encoded instructions to send all the credentials it can find to remote server + self-replicate. link below

  cryptoRelated

Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.

• Fraud Investigation is Believing Your Lying Eyes

  The financial industry has paid tens of billions of dollars in tuition on fraud detection. Here are some observations for investigators with badges, press cards, or GoPros.

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Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.

• 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.

  cryptoRelated

Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.

• Perpetual futures, explained

  Crypto’s most popular product offers capital efficiency for professionals, leveraged exposure for the masses, rich yields for market makers — and a poorly understood failure mode.

  cryptoRelated

Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.

• 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 and alerted me to the problem. For future reference, it's a safe bet that you'll never see me creating and promoting a meme coin.

  cryptoRelated

Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.

• 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 diminishing returns in yet another dude's breathless vibe coding blog post.

  LLMscryptoRelated

General partner at Andreessen Horowitz from 2013 to 2018 and CTO of Coinbase from 2018 to 2019; co-founder of Counsyl and Earn.com. Wrote The Network State (2022), free in full at thenetworkstate.com, and founded the Network School.

• Network State Conference 2023

  Come to Amsterdam on October 30, 2023 to build the parallel establishment.

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Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.

• Thinking of the children

  There is at present a tough battle being fought between technologist defenders of encryption on the one side and just about everyone else on the other. This conflict, sometimes dubbed the Crypto Wars, has a long history…

  cryptoRelated

Author and clean-energy analyst who writes on solar cost curves.

• Yes, Blockchain Can Help Us Solve Climate Change – Why I Joined Nori

  Over the last two years, as both an angel investor and a public speaker on energy and climate, I’ve looked at least a few dozen startups and proposals on how to use blockchain or new crypto coins in energy or climate.

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