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Mastercard paid $1.8 billion for stablecoin FinTech BVNK because it can’t afford not to 🤫🪙; Sam Altman is building the passport office for AI agents 🤖🪪

FinTech is Eating the World, 18 March

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Linas Beliūnas
Mar 18, 2026
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Hey Everyone,

Good morning & happy Wednesday! Today’s issue is super interesting as we’re going to look into Mastercard, which just acquired FinTech startup BVNK for $1.8 billion in the largest stablecoin M&A ever (what the deal is all about, why it matters for Mastercard and what it means for the broader FinTech & Finance space + bonus deep dive into Mastercard’s latest financials, how it’s building the trust layer for AI agents & the ultimate list of stables resources inside), and Sam Altman, who’s now building the passport office for AI Agents (what the new AgentKit from World is all about, what huge problem it’s trying to solve & how it fits into OpenAI’s Agentic OS strategy + bonus dive into how Google is building the Android of Commerce insisde). So let’s jump straight into the good stuff 🌶️

Mastercard paid $1.8 billion for stablecoin FinTech BVNK because it can’t afford not to 🤫🪙

The BIG News 🔥 The card networks’ stablecoin strategy just went from partnership to ownership.

Payments behemoth Mastercard MA 0.00%↑ just agreed to acquire BVNK, a London-based stablecoin infrastructure provider, for up to $1.8 billion ($1.5B upfront, $300M in earn-outs). The deal is the largest stablecoin acquisition ever, topping Stripe’s $1.1B purchase of Bridge last year, and it lands Mastercard, a company processing $30 billion in annualized stablecoin volume across 130 countries - up 3x in twelve months.

Remember that BVNK raised just $90 million total. That’s a 22x capital efficiency multiple on the exit, and a 2.4x premium to its $750M Series B from 15 months ago. Not too shabby! 👏

Let’s take a quick look at this, understand why it matters, and what’s next.

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