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Brian Armstrong
@brian_armstrong
Co-founder & CEO @Coinbase. Creating more economic freedom in the world. Co-founder @researchhub @newlimit. Not investment advice.
842 Following    4M Followers
The way to combat AI cybersecurity attacks is to use more AI on defense.
Lots of focus on attacker using AI. What doesn't get as much attention is how much AI is helping with defense. @coinbase has put it at the forefront of our security work: early access to frontier models with leading developers, agents testing our code, and a lower cost to find vulnerabilities - all of which frees up resources for more work. AI for defense has a clear advantage - we can give it all the context about the system it's defending. Like everything else in security, that advantage won't last and can be used against us if we aren't careful - which is why this is such an exciting time to be in cybersecurity!
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Trusted custody is essential for bringing more of the financial system onchain. Coinbase National Trust Company is another step for building that foundation.
Introducing Coinbase National Trust Company, our federally chartered trust company. OCC approved.
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Publicly funded science should work more like open source software. Today a result is a PDF. The data often isn't shared, the code isn't public, and few studies ever get replicated. Imagine every experiment as a repo. Data, code, and protocol, all versioned. Anyone could fork it, rerun it, and send a fix. Funders could reward replications as much as new papers. AI makes this urgent. Agents are now making more discoveries than ever. The bottleneck becomes replication/validation. Then commercialization, which still requires moving atoms in the real world and meetings with regulators.
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I've changed how I work over the last few weeks. I now have one lead agent for each area of focus, running all the time, and a chief of staff agent that oversees them. Each lead manages its own sub-agents that write code, test it, chase reviews, and coordinate with team members. Everything I need to decide or review comes into one prioritized queue, a simple local web app. Each product review includes screenshots and a video demo of the feature. I clear the queue in batches, mostly by voice and keyboard shortcuts. The leads also bring back ideas I hadn't considered. Working from one queue, instead of switching between dozens of chats, has cut a lot of mental overhead. The system keeps learning my preferences and distilling my judgment into a "Brian brain," so its recommendations and first drafts get better before they reach me. The goal is fewer corrections per change. Every change still goes through the same human review and security checks. It is eliminating tasks, not human judgment. What an exciting time to push the frontier of productivity, especially as we build the economy for agents (agentic finance). We should all keep pushing in this direction.
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I'm spending a lot of my own time on Coinbase app quality right now. There are lots of pieces that add up: instances where it's unclear why funds are on hold, making it simpler to get through ID checks, app startup times/speed, an error that doesn't tell you what went wrong, a button that leads to a dead end. Fixes are rolling out over the next few releases. If something in the app frustrated you recently, reply and tell me. My agents and I are reading them.
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As a public company CEO, I'm pro tokenization of our stock for a simple reason: I want more people to own it. Why would I alienate a potential new category of shareholders? It's just bad business. Meet the customer where they are.
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Tokenized stocks are an important innovation for democratizing access to high quality investments globally and 24/7 trading. But they may also unlock new utility that wasn't possible before in tradfi. @base is hosting a competition for teams that want to innovate in this area
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$100,000 in total prizes Introducing Stocks Maxxing: a one-month competition to build the next generation of tokenized stock products on Base ↓
Stablecoins give everyone in the world the ability to hold dollars (and many other major fiat currencies), and send them instantly anywhere in the world for less than 1 cent.
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Ok interesting
Agentic payment volume (x402) on Base is up, to the right 📈. This isn't just more transactions, bigger ones too, with a $30 median. Real businesses providing services to users who expect their agents to have full autonomy. An agentic strategy is no-longer optional.
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Everyone can express their own opinion in a free society, even an idiotic one. It helps us know how dumb someone is. But calling for political violence against other Americans crosses a line that we shouldn't tolerate.
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At an event with Kara Swisher, Scott Galloway called for the execution of Elon Musk for being a “traitor to the west” live on stage.
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If $2M isn’t enough, I’ll throw in one extra thing: I’ll host a dinner with some of the top traders at the end of this competition. We’ll pay for your travel. Good luck!
The Coinbase Champions Cup is officially live. Up to $2,000,000 in prizes to be won, and an opportunity for a place in our next IRL trading competition. Time to prove who the best traders on Coinbase are.
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Security is never done. It's always good to use these moments to harden our systems further, put in new checks and controls, and utilize the latest agents on defense before they get used against us on offense.
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Users come to Coinbase to keep their money secure. We make sure that stays true. Secure custody is daily work for us, not a one-time achievement. That means 1:1 backing, >99% of funds in offline cold storage today, audited financials, key splits, no single points of failure and so much more. Find out about that so much more here ↓
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Unifying global liquidity! Something Coinbase can uniquely do. Starting today, U.S. institutions can access crypto options and perps through a global liquidity pool on Coinbase Prime.
Global crypto markets, at home. Regulated access to global options & perps for institutions in the US and other eligible regions, now on Coinbase Prime. With one unified liquidity pool for US and global traders.
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Great work by the Coinbase risk team
Let's talk about this one -- during the Tesla flying car demo scammers put a livestream on Youtube that looked exactly like the official stream but actually had added a deepfake Elon pitching a “give/get crypto giveaway” alongside a QR code. It was seen by more than 500,000 people, but luckily Coinbase has a scam-prevention chat agent that was 99% effective at stopping it. Demo below.
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Glad to be working with Shopify on stablecoin payments.
Sending stablecoins is simple Accepting them as a payment method is another challenge That’s why @Shopify and @Coinbase built the Commerce Payments Protocol on Base ↓
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I wake up most days thinking about agentic finance. We’re still early, but to me the growth trajectory points to where the world is heading. Coinbase for Agents is our answer to this growing need - connect agents to your account, and let them trade and pay on your behalf (with limits and controls).
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We added a new sign up page for Agents. We're building Coinbase to be the most AI-enabled financial account. Give it a try:
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