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4% seems high. Quick googling in the US (which has high rates) shows 1.5-3.5%, avg of 2%
In the EU, we now have instant, free SEPA bank transfers.

I know that the banks are trying to build a payment solution on top of this technology but it's not really getting traction.

I am wondering if there is a way to bootstrap something bottom-up by offering something to merchants that has a clear value prop.

Wechat pay in China is interesting. It costs nothing to add money to your balance from your bank, or to pay someone from your balance. It only costs the end merchant who wants to withdraw it from their balance back into their bank. If they can keep it in Wechat pay and spend it on other things (which is very easy as it and Alipay are the primary payment methods for everything), then there's no charge.

I guess Tencent are making their profit from the interest they earn on the money that was transferred into them that just stays in people's Wechat wallets in effectively a parallel currency.

It's time for Europe to process the own money. Strange that the dominance of Visa/Mastercard/Maestro was left for so long. Of course there is a lobby from them to attack the digital Euro
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One factor that the author glosses over a bit is that highest swipe fees are for credit cards with benefits. The interbank system he describes is a debit system, no credit is being extended. Even in the US, debit swipe fees tend to be less.
In India there is UPI (Unified Payment Interface), which works with all bank accounts, it's facilitated by the Government and it comes with i. QR Code (Used with strangers and at Merchants) ii. UPI ID iii.And links to phone number.

Anyone can pay to anyone instantly free of Charge. Only limit is it's limited to ~ $1000 payment. The QR code can also be dynamically created by POS terminals containing the total bill amount as well, so upon scanning the amount is auto populated in the payment app, you just have to enter the security pin.

And since it's a Govt. Project, its not limited to just one app, there are lots and lots of apps working on the same system. There is even a VISA/Mastercard credit alternative : RuPay that works within the system.

How does the government handle charge-backs?
Shameless self-promo: We've been working for the last two years on making money movement free. We use ethereum (and stablecoins) for that, and integrate with the novel real time payment networks like PIX, Wechat, Yape, Mercadopago and so on.

We're still orders of magnitude smaller than Visa and Mastercard, but I do believe products like ours (and competition is red hot here, theres so much good choice!) will be good for consumers.

Money should be like a message: free and instant

We're open source btw, happy to show off codebase and review PRs

https://github.com/peanutprotocol/peanut-ui

https://peanut.me/

Why not FedNow?
You mean the thing that launched in 2023 and that is still not widely deployed ?

My BoA still prints checks and mail them to the US Bank across the street when I have to pay my HOA. So yes, why not FedNow... BoA and USBank ?

Its been interesting how much of a nothingburger fednow ended up being.

Lack of adoption probably because it seems to function just as a faster ACH, without any of the UX improvements systems like Pix, UPI, blik, etc have...

In Argentina we can transfer using our account number (or account Alias, for example my alias could be kwanbix) directly, account to account, instantly, it costs 0.
In US also... but here in US, my bank (Bank of America) would print a check, put it in an envelop, send it to the other bank (e.g. US Bank). So, it is not instantaneous, but it is still free.

The drawback is when the US Bank office down the street that hosts the account closed for water damage, it stopped receiving the checks, and it took forever to bounce, so I had no idea that I was not paying my HOA... And this happened in San Francisco, California where the Bank of America and the US Bank are on the same street, a block away...

I cannot wait for FedNow or anything trying to fix this mess.

Let's just call it for what it is.

Visa and mastercard innovated in an era where payment settlement was notoriously difficult and expensive but they've used their monopolies to entrench themselves in (by negotiating deals with merchants and bribing consumers with points) while the rest of the world moves on towards "layer 2" payment systems that are much cheaper and efficient.

If a restaurant runs on a 9% net margin and pays around 3% in card fees, then roughly one-third of its net profit is going toward payment processing.
This article is missing some important aspects/context:

> If the card processing cost is 4 percent of the sale price, the fee amounts to $6. That $6 is not 4 percent of the profit; it is 12 percent of the merchant’s margin.

Sure, but merchants are raising prices overall together with all their competitors, or charging more when using a card. Credit cards aren't taking away 12% of merchants' profits that they'd keep otherwise.

Also, credit card fees are not 4%, they're 1.5-3.5% with an average of around 2.3%.

> The merchant may pay little or nothing per transaction, the funds usually arrive immediately and no physical terminal is required.

But what's missing here is fraud protection. It's more like debit cards than credit cards, and debit card transactions are much cheaper in the US too (more like 0.7%).

Now that it's increasingly common for local merchants to implement a credit card surcharge (so non-CC users don't have to pay more), and a large percentage of credit card fees come straight back to the user as rewards (e.g. a 2% cash reward), it's not really clear that payment fees matter all that much in the end. See:

Fed Data Shows Economics of Interchange: 86% of Fees Fund Rewards Programs: https://www.pymnts.com/news/loyalty-and-rewards-news/2025/fe...

Payment processing networks are not free to build or operate. There are necessarily fraud controls and transaction reversals that require human oversight. This all costs. Nations can and should build this infrastructure, but in the absence, a payment processor is going to charge interchange. Otherwise why would they bother.
/me looks around in stablecoins

This is a pretty solved problem.

"...backed by formidable fraud protections"

Laughable, at least in the USA. It took decades for us to finally get cards with chips in them, and when we finally did... the issuers "forgot" to implement the other half of the equation: PINs.

"Chip-&-PIN" was standard through the rest of the industrialized world for ages, while card companies abetted theft in the USA by neglecting to implement PINs.

Payment fees are crazy when you think about them from the perspective of a merchant in a low margin business. E.g. in retail or restaurants, margins aren't much better than ~10%. If they didn't have to pay ~3% credit card fees, they'd have 30% more profit!
Pakistan has this government facilitated payments infrastructure called Raast. Its not private, so it work directly from bank account to bank account. It works great, and avoids vendor lockin. This plus the mobile wallet boom (basically mini bank accounts with far less barrier to entry) means you can now pay quite a few (unfortunately not most yet) normal street vendors with this. I think thats a great system