Simon Taylor Profile picture
Jun 10 1 tweets 2 min read Read on X
Visa and Mastercard just settled a 20-year lawsuit over swipe fees - bringing an end to "honor all cards."

A Brooklyn judge gave preliminary approval to a $38 billion deal with ~12 million merchants, a case that started in 2005 over a dispute over the fees merchants pay to accept cards. Under the settlement, Visa and Mastercard agreed to lower fees by 0.1 percentage ​point for five years, while standard consumer rates would be lowered to no more than 1.25% for eight years.

This was a big cloud hanging over both Visa and Mastercard, but now U.S. District Judge ‌Brian Cogan in Brooklyn, New York, said the settlement was "fair, reasonable, and adequate," and that he was likely to eventually grant final approval. (Per Reuters)

The stocks have reacted well: @Visa +1.7%, @Mastercard +2%.

But this comes with a catch.

Honor All Cards just cracked. It's the rule that forces your corner coffee shop to take a Chase Sapphire Reserve (a Visa Infinite, one of the priciest cards to accept) at the same till as a plain no-rewards card. Interchange funds the rewards. Rewards drive the spend.

Now merchants can refuse whole card tiers: commercial, premium consumer (including many rewards cards), and standard consumer. They still can't refuse a single issuer, so no "Visa yes, Chase Visa no." The keystone bends; it doesn't break.

This chips at a fundamental promise. A network logo used to mean that card, whatever it was, would work. Now the tier decides, and at some tills it won't. A frankly horrible checkout experience waiting to happen at your local Bodega.

In practice, nearly 90% of credit card spend sits on rewards cards (Bankrate). No merchant turns away their best customers at the register.

Which is why the networks could afford to hand it over.

This is a war that's never really over.

The 2013 settlement got approved too. The appeals court threw it out in 2016.

It just seems to drag on, and merchants are never happy.

Lawfare is a reality in payments.Image

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More from @sytaylor

Feb 19
Modern Treasury just became a PSP competing with Stripe and Adyen.

But that undersells it massively.

What they really did was rethink what a PSP needs to be in 2026.

👇 Image
Most PSPs start with one core rail like cards

Then add others like wires or ACH or stablecoins on a platform build around cards.

Modern Treasury started with all rails.

Creating one unified API for

- ACH,
- wires,
- RTP, FedNow,
- cards,
- and stablecoins.

Where you route the money is just a configuration decision.
That changes:

→ The architecture
→ The customer experience
→ The complex funds flows you can build

Same API. Same ledger.
Read 7 tweets
Jan 2
The @kontigo_app vs Checkbook & JP Morgan drama is pure 🍿.

I wanted to give it some context. Because the claim of "banking system is evil and outdated" is simply wrong and lacks context.

Here's what I think is really going on
JP Morgan closed accounts for crypto startups Kontigo and Blindpay

The information reported that the account freezes were linked to business activity in high-risk regions, including Venezuela, and to gaps in customer identity checks.

From Tradeweb: “JPMorgan acted after seeing rising disputed transactions and chargebacks tied to these accounts. The bank said the decision was based on risk controls, not opposition to stablecoins themselves.”
To understand this, there are a few things we need to unpack:

🧠 There are three players here. Checkbook, JP Morgan, and the start-ups themselves.

- JPM banks Checkbook.
- Checkbook "banks" Kontigo.
- Kontigo serves the End User.
Read 13 tweets
Dec 23, 2025
🚨 JUST IN: @Shift4 just launched stablecoin settlement for hundreds of thousands of merchants.

Merchants can get paid in USDC, USDT, EURC, or DAI 24/7

Instead of waiting for bank transfers - OR paying a fee (like 1%) for an advance.

Here's why it matters 🧵 Image
Shift 4 is a major PSP.

- They process billions of transactions a year.
- $200B+ in payment volume.
- Segments like restaurants, hotels, stadiums, retail.

Not all of those merchants are familiar with stablecoins.

But the ability to get paid faster will make many of them curious.

And that expands the TAM of stablecoins.
Why stablecoins for merchant settlement?

Right now, if you're a merchant and you want your money faster than the standard 2-3 day window, you pay for it.

Square charges 1-1.5% for instant payouts.

PayPal has similar fees.

Everyone does.

Stablecoins settle in seconds. Around the clock. Weekends and holidays included.
Read 6 tweets
Dec 21, 2025
The State of Fintech 2026:

Nubank: 127m customers
Klarna: 114m
Revolut: 65m

A handful of companies now have more users than most countries have people.

We've entered the Age of the Fintech Hyperscaler.

🧵 What I learned writing the annual report with @jevgenijs Image
AI assisted 1 in 6 purchases this Black Friday.

It showed in the data for the first time.

But here's the uncomfortable truth:

Almost no fintech has an industry-specific foundation model driving earnings.

Stripe is the only example I found.

The rest is still vibes.Image
Image
Stablecoins found product-market fit.

Not as "bank killers."

As cross-border rails and corporate treasury tools.

The use case that won: payouts and pay-ins for businesses tired of correspondent banking.

Boring? Yes. Working? Also yes. Image
Read 10 tweets
Nov 21, 2025
Huge moment for Agentic Commerce.

EMVCo (the technical body behind Visa, Mastercard, Amex) is creating global standards for "agentic payments."

This is the biggest change in card payments since "tap to pay"

Here's how it works 🧵 Image
Right now, AI agents are phenomenal at finding things to buy.

- Power users are starting to default to their research
- Can compare complex options and summarize
- And when people click through conversion is 2x to 5x higher

But...
There's no agreed way for payment to happen

- There's countless protocols
- x402 for agents accessing other tools
- ACP and A2P from Open AI and Google
- Visa and Mastercard have their own approaches
Read 11 tweets
Nov 12, 2025
JPMorgan clients can now swap JPMD for USDC on Base.

That sentence should break the internet.

JP Morgan payments moves $ trillions PER DAY

It dwarfs the entire stablecoin industry.

This is how 1000x more dollars go onchain 🧵Image
Picture the actual flow:

- A JPMorgan institutional client holds JPMD (bank deposit token).
- They need to transact with a Coinbase customer holding USDC (stablecoin).

A corporation could

1. Move JPM Coin from JPM closed loop to Base
2. Swap JPM Coin for USDC
3. Receive USDC in their base wallet
4. Send that USDC to a 3rd party, or swap it for another bank deposit token
This is the baby step towards going open loop.

Banks have tokenized deposits in closed loop

- Citi
- HSBC
- Deutsche
- JP Morgan

But now those walls have doors that open onto public blockchain rails.

Base becomes the trading floor where closed systems meet open ones.
Read 8 tweets

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