โ† All Issues
#011 March 23, 2026

AI Security Gets Funded, ETH Breaks Out, and Markets Brace for a Pivotal Week

Four straight losing weeks. The S&P 500 bled another 1.5% Friday, Bitcoin's treading water at $70K, and the VIX is running hot at 27. But underneath the fear, capital is moving โ€” hard โ€” into AI security startups. Ethereum just ripped 20% in eight days on BlackRock's staked ETF launch. And 28 funding deals totaling $2.5 billion closed last week alone. Here's what matters as markets reopen.

๐Ÿ“Š Market Snapshot โ€” Where We Stand

S&P 500
6,506
โ–ผ 1.5% Fri
Nasdaq
21,644
โ–ผ 2.0% Fri
Bitcoin
$70,417
โ–ผ 4.8% wk
Ethereum
$2,300+
โ–ฒ 20% (8d)
Brent Crude
$112.40
โ–ฒ 3.3%
Gold
$5,019
โ–ฒ 0.5%
VIX
27.0
Elevated
10Y Treasury
~4.30%
Sticky

๐Ÿ”’ The Big Story: VCs Are Pouring Into AI Security

While the broader market sold off last week, one corner of venture capital is on fire: AI-powered cybersecurity. In a single week, three startups in the space pulled in over $85 million combined โ€” and the deals tell a clear story about where smart money thinks the next critical infrastructure layer is being built.

  • RunSybil โ€” $40M total funding. AI-powered offensive security that proactively tests applications and infrastructure for vulnerabilities. Think of it as a tireless red team that never sleeps. In a world where AI agents are shipping code and managing systems autonomously, the attack surface is exploding โ€” and RunSybil is betting that AI is the only way to keep up.
  • Corridor โ€” $25M (total equity: $30.4M). Founded by Ashwin Ramaswami and Jack Cable, this San Francisco startup focuses on AI code security. The investor list reads like a who's who: Anthropic, OpenAI Foundation, and Datadog are all backing it. When the companies building the most powerful AI models are investing in a startup that secures AI-generated code, pay attention. They know what's coming.
  • Tracebit โ€” $20M ($25M total). Manhattan-based cloud threat detection using decoy systems โ€” digital honeypots that lure and identify attackers. Backed by Accel and FirstMark. The thesis: as infrastructure gets more complex and AI agents get more autonomous, you need deception-based defense, not just rule-based firewalls.

Why this matters for builders: Every AI agent, every autonomous workflow, every LLM-generated codebase creates new attack vectors. The companies securing this layer are going to be as essential to the AI stack as cloud providers are to the internet stack. If you're building anything with AI, security isn't a feature โ€” it's the foundation.

โšก Ethereum's Breakout: BlackRock Changes the Game

While Bitcoin languished below its October ATH, Ethereum quietly put together one of its strongest stretches in months โ€” climbing 20%+ in just eight days and reclaiming the $2,300 level. The catalyst? BlackRock.

On March 12, BlackRock launched the iShares Staked Ethereum Trust ETF (ETHB) โ€” the first major institutional product that lets investors capture Ethereum's ~3% staking yield alongside price exposure. It's a game-changer because it solves the biggest complaint institutions had about ETH ETFs: "Why would I hold a non-yielding version of a yield-bearing asset?"

The market response was immediate. ETH ETFs recorded a record $160.8 million in weekly inflows. That's not retail FOMO โ€” that's institutional allocation. The staking yield effectively turns ETH into a quasi-bond alternative with massive upside optionality. In a world where the 10Y Treasury yields 4.3% but ETH staking yields 3% plus price appreciation potential, the risk-reward math starts looking very different.

The divergence is real: Bitcoin is trading like a macro risk asset โ€” correlated to Nasdaq, hammered by rate cut repricing. Ethereum is developing its own narrative: yield, utility, the Pectra upgrade coming in Q2, and now institutional staking products. Watch whether this divergence holds. If it does, ETH could decouple from BTC's gravity for the first time in a meaningful way.

๐Ÿ’ฐ Funding Pulse: $2.5 Billion in a Single Week

Last week saw 28 deals totaling $2.5 billion across ecosystems. The headline numbers are dominated by AI โ€” but there's nuance beneath the surface:

  • AI captures 50%+ of global VC. OpenAI's staggering $110B raise (at an $840B valuation) and Wayve's $1.5B self-driving round are skewing the numbers, but even excluding the mega-rounds, AI startups are taking the lion's share of investor attention.
  • Silverflow โ€” $40M Series B. Payments infrastructure. Not sexy, but highly profitable. The picks-and-shovels of fintech continue to attract serious capital.
  • BioCaptiva โ€” $2.2M venture round. Small but notable โ€” biotech VC is stirring again after a brutal 2024-2025 drought.

The pattern: VC money is bifurcating. Mega-rounds for AI infrastructure leaders. Disciplined Series A/B rounds for vertical AI applications (security, fintech, healthcare). Seed activity is tracking at 2021 levels by deal count โ€” but at much more rational valuations. If you're raising, the money is there. But you need a real business model, not just a wrapper on GPT.

๐Ÿ”ฅ Super Micro Fallout: What Happens Next

Friday's 28-33% SMCI crash on the chip smuggling indictment reverberates into this week. The key questions:

  • Export control tightening is coming. Washington will use this case to justify stricter enforcement. Any company in the AI hardware supply chain โ€” from chip designers to server assemblers to cloud providers โ€” should be auditing their compliance now. The DOJ just proved they'll prosecute at the executive level.
  • Nvidia's exposure. NVDA wasn't directly implicated, but its chips were the contraband. Expect increased scrutiny on Nvidia's distribution chain. The stock held up relatively well (broader semi selloff was the bigger drag), but this overhang isn't going away.
  • For builders: If your AI infrastructure depends on specific hardware, diversify your supply chain. AMD, Intel, and custom silicon (Google TPUs, Amazon Trainium) are all viable alternatives. Single-vendor dependency on Nvidia was already risky โ€” now it's riskier.

๐Ÿ“… The Week Ahead

๐Ÿ”น Monday Open: All eyes on whether sellers follow through or if four straight down weeks have exhausted the selling pressure. Oil futures and any Iran-Israel weekend developments will set the tone before the bell. If Brent drops below $108, expect a relief rally.

๐Ÿ”น Fed Speakers: Multiple FOMC members on the calendar this week. After last week's hawkish hold, markets will parse every word for dovish dissent. Governor Bowman's comment about "three cuts before year-end" is the lone bullish beacon โ€” watch if anyone else echoes it.

๐Ÿ”น Earnings Season Tail: Remaining Q4/Q1 reports trickle in. Micron beat estimates and still fell 6% โ€” the market is punishing even good news right now. Reaction > results as a sentiment indicator.

๐Ÿ”น Crypto Catalysts: Bitcoin ETF flow data for Monday will signal whether institutional buyers are stepping back in at $70K or letting it bleed. Ethereum's momentum is the more interesting story โ€” watch if ETHB inflows accelerate or if the initial hype fades.

๐Ÿ› ๏ธ Builder's Take

  • AI security is a generational opportunity. Every new AI agent, every autonomous workflow, every LLM deployment expands the attack surface. The security layer for AI is being built right now โ€” and it's still early. If you have security expertise and AI chops, this is your moment. Build tools that audit AI-generated code, monitor agent behavior, or detect adversarial attacks on models.
  • Staking yield products are a wedge. BlackRock's ETHB proved that packaging DeFi yields in TradFi wrappers is a massive unlock. The builder opportunity: middleware and infrastructure that makes it easy for financial institutions to offer staking, lending, and yield products on top of crypto protocols. Think Stripe for staking.
  • Sell into the fear. Not financial advice โ€” but four straight down weeks means your competitors are tightening budgets, laying off, and pulling back on marketing. If you have runway, this is when you gain ground. Advertise when others go silent. Hire when others freeze. Ship when others hesitate.
  • Export controls are a moat. The Super Micro case makes compliance expertise in AI hardware extraordinarily valuable. If you can build compliance tooling โ€” automated export control screening, supply chain auditing, hardware provenance tracking โ€” there's a guaranteed market of terrified companies willing to pay.

โšก The Bottom Line

The surface narrative is fear: four losing weeks, sticky inflation, oil spiking, rate cuts evaporating. But underneath? Capital is deploying aggressively into AI security, Ethereum is breaking out on genuine institutional demand, and VC deal flow is robust. The market is repricing risk โ€” not collapsing.

The transmission chain this week: Iran tensions โ†’ oil at $112 โ†’ inflation stays sticky โ†’ Fed holds โ†’ rate cuts repriced to one-or-none โ†’ equities sell โ†’ risk assets bleed โ†’ VIX spikes โ†’ BUT: AI security raises $85M+ in a week, ETH rips 20% on BlackRock's staked ETF, and $2.5B in deals close.

Fear and funding are happening simultaneously. That's not a contradiction โ€” it's how markets evolve. The builders who see through the fear and into the funding are the ones who win.

Stay sharp. Stay building. We'll be back this evening.

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