Jason Rosenthal
@jasonrosenthal
Operating Partner & Head of Crypto Startup Accelerator @a16zcrypto. 25 years working on frontier tech. 2X CEO, 4 exits & most recently VP Subscriptions @Google.
I’m excited to announce the cohort for our fourth Crypto Startup Accelerator program (CSX 04), starting this week in San Francisco. CSX helps early-stage startups building on blockchain technologies to accelerate development and product-market fit. It is an intensive program…
You've heard of DePIN, but what are the actual use cases? Here are 6 of my favorite 1. Telecom 2. Energy 3. Transportation 4. AI 5. Healthcare 6. Robotics Read the full post below!
With the GENIUS Act celebration done, builders already want to know what's next. The answer is CLARITY – crypto market structure legislation – which also got overwhelming bipartisan support in the House last week. Here's everything you need to get caught up on CLARITY:
I had just started my career in tech when Congress passed the 1996 Telecommunications Act. This legislation created the regulatory preconditions for the Internet to grow and thrive over the subsequent 30 years and enabled the US to become the undisputed leader. At the time,…
Clear rules for stablecoins and the road ahead At the White House today, the first piece of U.S. crypto legislation will be signed into law: the GENIUS Act. It provides clear rules for stablecoins. This is a historic moment — not just for crypto, but for the world at large.…
The House just made history by passing major legislation on stablecoins (GENIUS Act) and market structure (CLARITY Act) in an overwhelmingly bipartisan way. This is a huge moment for crypto and for all Americans. We’re very close to having comprehensive, proactive rules in place…
The time is now for no compromises fast, secure, decentralized messaging with seamlessly integrated apps and payments. Let's do this @xmtp_ and @ShaneMac!
We’re thrilled to announce our $20M Series B to fuel XMTP’s mission: 🌐 Build the most secure, decentralized messaging protocol 🤖 Support any identity across any digital ecosystem 📡 Help fuel the next generation of messaging applications XMTP is rebuilding secure messaging…
Finally, we can own and control our messaging the way we own & control our money. Today at NewDayOne, @baseapp + XMTP unlock a new surface for builders: AI + Money + Secure group chats It’s time to build agents & mini-apps that work for people, not platforms. Let’s dive in👇
Hello from @baseapp Coinbase Wallet is now much more than a wallet. Your new home to create, earn, trade, discover apps, and chat with friends all in one place.
Big congrats to @KatzAnton and the entire @talostrading team! Adding super robust data infrastructure is the obvious next step in Talos’s roadmap to take over all aspects of the institutional trading market, and the Coin Metrics acquisition accelerates their path to doing that.…
Another mammoth crypto M&A deal as the digital assets trading infrastructure unicorn Talos acquires the blockchain data provider Coin Metrics for more than $100 million. More here: fortune.com/crypto/2025/07…
I am honored today to officially join @USOPM as director and help lead the federal workforce modernization effort through efficiency, accountability, and putting taxpayers first. I am grateful to @POTUS for this opportunity and to all the dedicated public servants at OPM.
Big thanks to @SenatorTimScott, @SenLummis, @BoHines, and @DavidSacks for your leadership. Getting comprehensive crypto market structure legislation passed has been sorely needed for years. We’re incredibly supportive of this effort to make it happen by Sept 30. American…
JUST IN: 🇺🇸 Sen. Tim Scott sets the Digital Asset Market Structure timeline, Sen. Lummis agrees and details progress toward deadline: "I want to set a timeline of seeing the Market Structure completed by the end of September."
Investing in @ambient_xyz I'm excited to announce our investment in Ambient as part of our Crypto Startup Accelerator, to support their mission of building machine intelligence as a currency. Ambient is a useful proof-of-work Layer 1 blockchain that produces AI inference.…
Great work from the ZKsync team!
On an H100 GPU Airbender reaches ~21.8 MHz base proving speed on a standardized benchmark, followed by 3.45 MHz for SP1 Turbo and 1.1 MHz for RiscZero. Airbender is ~6x faster than the closest contender.
1/24 I’m thrilled to share what my co-founder @gilad and I’ve been cooking up over the past year. Check out @yupp_ai – a fun and easy way for anyone to discover, compare and get the best answers across the latest AIs, all for free! Yes, even the most powerful pro models.
"AI needs strong, reliable evaluation based on large-scale human input. Crypto is the trust machine that can help deliver it." Excited to have the opportunity to work with @pankaj and @gilad on @yupp_ai.
I’m excited to announce we’ve led a $33 million seed round in @yupp_ai, a consumer product that allows anyone to discover and compare the latest AI models for free. AI needs robust and trustworthy human data. Crypto is built to provide it. Modern AI systems are shaped not only…
The end of crypto's foundation era is here. New policy (CLARITY Act), emerging structures (DUNA), and smarter tooling (BORGs) enable better systems — better incentives, accountability, and decentralization. My new post on why it’s time to move on from foundation structures👇
Our CSX Investment in Oncade The gaming industry is at an inflection point, with AI tools and vibe coding platforms democratizing game development. But when it comes to some of the critical pieces – like payments and distribution – the options are extremely limited and…
L1 tokens aren't blockspace. They're: 1: the token you (usually) use to pay for blockspace 2: the token that captures value (via burn) from consumed block space Blockspace is the "oil" (commodity). The network token is just ownership in the network/marketplace that sells it.