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Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.

• Yesterday I flew LAS->NYC, noticed a white woman at the lounge with a sticker like the "I voted!" stickers but it said "I like ICE". Then she and her husband pushed aside wheelchairs to "preboard", announcing they were in first class Then they were rude to the flight attendants. The worst people.

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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

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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

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

• Huge congratulations to the US-based Wikimedia Foundation employees who voted with 92% support in favor of unionizing, and shoutout to the tireless work of the organizers. https://wikiworkersunited.org/announcements/2026-09-04-us-wikimedia-foundation-workers-overwhelmingly-vote-to-form-union-with-cwa/ #Wikipedia #WikimediaFoundation

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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

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• 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

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

• It's worth noting that the "Responsible Use of Generative AI" which #Debian voted to accept was largely generated by an LLM.

  lists.debian.org

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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

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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

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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.

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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.

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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.

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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.

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Co-founder of Netscape and of the venture firm Andreessen Horowitz. Argues at length for building things, mostly in short form.

• Factories were built back when politicians still wanted their constituents to have jobs.
  Quoting@MTSliveZane Hengsperger on the surprising reason NIMBY protests never come for factories the way they come for data centers: "I would argue NIMBYism does not matter for factories. It obviously for data centers is a major problem." "Look at any city mayor who brings a manufacturing company to their city. T…

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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.

• 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.

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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

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

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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.

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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.

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Environmental writer and campaigner; author of Six Degrees, The God Species, Seeds of Science and Our Final Warning.

• WOW! The European Parliament just voted to BAN the words 'burger' and 'sausage' when used in sustainable plant-based alternatives. HUGE win for the meat and dairy lobby in the EU, and lots more confusion for consumers if this goes through. Insane!

  euroveg.eu

  EuropeRelated

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.

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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.

• Crypto Twitter Found SBF's Fraud

  The establishment did nothing until the internet revealed everything.

  cryptoRelated

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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