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Show HN: Deterministic NDJSON audit logs – v1.2 update (structural gaps)

https://github.com/yupme-bot/kernel-ndjson-proofs
1•Slaine•16s ago•0 comments

The Greater Copenhagen Region could be your friend's next career move

https://www.greatercphregion.com/friend-recruiter-program
1•mooreds•44s ago•0 comments

Do Not Confirm – Fiction by OpenClaw

https://thedailymolt.substack.com/p/do-not-confirm
1•jamesjyu•1m ago•0 comments

The Analytical Profile of Peas

https://www.fossanalytics.com/en/news-articles/more-industries/the-analytical-profile-of-peas
1•mooreds•1m ago•0 comments

Hallucinations in GPT5 – Can models say "I don't know" (June 2025)

https://jobswithgpt.com/blog/llm-eval-hallucinations-t20-cricket/
1•sp1982•1m ago•0 comments

What AI is good for, according to developers

https://github.blog/ai-and-ml/generative-ai/what-ai-is-actually-good-for-according-to-developers/
1•mooreds•1m ago•0 comments

OpenAI might pivot to the "most addictive digital friend" or face extinction

https://twitter.com/lebed2045/status/2020184853271167186
1•lebed2045•2m ago•1 comments

Show HN: Know how your SaaS is doing in 30 seconds

https://anypanel.io
1•dasfelix•3m ago•0 comments

ClawdBot Ordered Me Lunch

https://nickalexander.org/drafts/auto-sandwich.html
1•nick007•4m ago•0 comments

What the News media thinks about your Indian stock investments

https://stocktrends.numerical.works/
1•mindaslab•5m ago•0 comments

Running Lua on a tiny console from 2001

https://ivie.codes/page/pokemon-mini-lua
1•Charmunk•5m ago•0 comments

Google and Microsoft Paying Creators $500K+ to Promote AI Tools

https://www.cnbc.com/2026/02/06/google-microsoft-pay-creators-500000-and-more-to-promote-ai.html
2•belter•8m ago•0 comments

New filtration technology could be game-changer in removal of PFAS

https://www.theguardian.com/environment/2026/jan/23/pfas-forever-chemicals-filtration
1•PaulHoule•9m ago•0 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
2•momciloo•9m ago•0 comments

Kinda Surprised by Seadance2's Moderation

https://seedanceai.me/
1•ri-vai•9m ago•2 comments

I Write Games in C (yes, C)

https://jonathanwhiting.com/writing/blog/games_in_c/
2•valyala•9m ago•0 comments

Django scales. Stop blaming the framework (part 1 of 3)

https://medium.com/@tk512/django-scales-stop-blaming-the-framework-part-1-of-3-a2b5b0ff811f
1•sgt•10m ago•0 comments

Malwarebytes Is Now in ChatGPT

https://www.malwarebytes.com/blog/product/2026/02/scam-checking-just-got-easier-malwarebytes-is-n...
1•m-hodges•10m ago•0 comments

Thoughts on the job market in the age of LLMs

https://www.interconnects.ai/p/thoughts-on-the-hiring-market-in
1•gmays•10m ago•0 comments

Show HN: Stacky – certain block game clone

https://www.susmel.com/stacky/
2•Keyframe•13m ago•0 comments

AIII: A public benchmark for AI narrative and political independence

https://github.com/GRMPZQUIDOS/AIII
1•GRMPZ23•13m ago•0 comments

SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
2•valyala•15m ago•0 comments

The API Is a Dead End; Machines Need a Labor Economy

1•bot_uid_life•16m ago•0 comments

Digital Iris [video]

https://www.youtube.com/watch?v=Kg_2MAgS_pE
1•Jyaif•17m ago•0 comments

New wave of GLP-1 drugs is coming–and they're stronger than Wegovy and Zepbound

https://www.scientificamerican.com/article/new-glp-1-weight-loss-drugs-are-coming-and-theyre-stro...
4•randycupertino•19m ago•0 comments

Convert tempo (BPM) to millisecond durations for musical note subdivisions

https://brylie.music/apps/bpm-calculator/
1•brylie•21m ago•0 comments

Show HN: Tasty A.F.

https://tastyaf.recipes/about
2•adammfrank•21m ago•0 comments

The Contagious Taste of Cancer

https://www.historytoday.com/archive/history-matters/contagious-taste-cancer
1•Thevet•23m ago•0 comments

U.S. Jobs Disappear at Fastest January Pace Since Great Recession

https://www.forbes.com/sites/mikestunson/2026/02/05/us-jobs-disappear-at-fastest-january-pace-sin...
1•alephnerd•23m ago•1 comments

Bithumb mistakenly hands out $195M in Bitcoin to users in 'Random Box' giveaway

https://koreajoongangdaily.joins.com/news/2026-02-07/business/finance/Crypto-exchange-Bithumb-mis...
1•giuliomagnifico•23m ago•0 comments
Open in hackernews

Visa and Mastercard near deal with merchants that would change rewards landscape

https://www.wsj.com/finance/banking/visa-and-mastercard-near-deal-with-merchants-that-would-change-rewards-landscape-fc6a0c78
36•josephcsible•3mo ago
https://www.msn.com/en-us/money/companies/visa-and-mastercar...

Comments

k310•3mo ago
Syndicated at MSN.

Archive sites returned a gripe about js and adblockers.

https://www.msn.com/en-us/money/companies/visa-and-mastercar...

netsharc•3mo ago
Man, looking forward to the paying experience also being enshittified.

Actually with my card in Europe it's already happened: any payment purpotedly being done overseas (even if it's in the local currency) has some % surcharge. One time some pop-up store came to my town, and they brought a card machine from their store in France. Charged in my local currency, and my bank charged me more. Luckily I could call them with much annoyance and get it credited back.

From online chatter I've heard that paying for Netflix or some other foreign service induces this charge too.

Etheryte•3mo ago
Sounds like a good time to check out Wise or other similar options. There's no reason to pay extra for something as essential as card payments.
netsharc•2mo ago
I'm not saying I don't have a solution already at hand.
nicolinox•3mo ago
Use Revolut for no exchange rate fees added while paying in foreign currencies; also with disposable virtual debit card numbers for extra security when payment gateways or websites do get compromised.
ReluctantLaser•3mo ago
*Revolut is not a registered bank in many regions. Other financial institutions (i.e. actual banks) also provide no addition exchange rate fees in foreign currencies, and some have the full feature set described.
netsharc•2mo ago
You forgot your referral link at the end of that message. /s

Yeah I know Revolut... I've also seen stories of them basically freezing people's accounts. I have it but I only top it up when I need it.

kalleboo•3mo ago
> Under terms being discussed, Visa and Mastercard would lower credit-card interchange fees, which are often between 2% and 2.5%, by an average of around a tenth of a percentage point over several years, the people said

Meanwhile interchange fees in places like EU and Australia are more like 0.3%

The Visa/Mastercard duopoly really needs to be broken up somehow.

I live in Asia where there is a cambrian explosion of QR-code based payment methods. At many shops you'll see a list of accepted payment methods like this[0], indicating a healthy amount of competition in payments.

[0] https://corporate.fithouse.co.jp/wp/wp-content/uploads/2021/...

phantomathkg•3mo ago
QR Code base system is slow, have security risk and will not work without smartphone.

Proliferation of hundred of QR Code based payments system is not a good thing, you need one that works across all countries.

Outside Visa and Mastercard, we have Amex, Diner, JCB, even China has UnionPay, but unfortunately they are not as popular as a contender of the duopoly.

kalleboo•3mo ago
QR is not ideal but as long as Apple keeps such a tight leash on NFC payments, it's the only "open" option. It's ironic that by trying to keep NFC payments so secure, they've instead caused the wide proliferation of far less secure alternatives.

Physical card issuance is too high-friction for new entrants. It's much easier to attract new users with "just install our app" than "enter your home address and wait days for a card to arrive then put it in your wallet and remember to use it"

teyc•3mo ago
what's the security risk with QR systems? I've recently come to use one and it relies on software for both parties having connectivity.
namibj•3mo ago
Presumably if the payer displays and the recipient scans; however that's technically solved by the POS showing the target address, amount, and bill/reference ID; the shopper then scanning, visually confirming the amount, and approving.

A few seconds later the money can have arrived (depending on system): in Europe today with normal banks and their online banking apps: the QR-on-POS-screen concept using the standard SEPA instant push transaction encoding, to prompt a <10 seconds confirmed-or-aborted "Echtzeit-Überweisung" (German phrase; the standard works across some borders already though) that's polled by the recipient (to release the customer out of the store), with the obvious fallback of "guess you have to pay a different way".

If for example the self-checkout terminal would just print a bill that then has to be paid by scanning a code on the bill or bringing it to a manned till or such, before the gate releases you from the area just behind the self-checkout kiosks (in response to you scanning the bill at the gate), this could absorb the online banking app friction/delays and offer a fallback of presenting the bill and a backup credit card at one of those kiosks as soon as one frees up in addition to the mentioned human-till cash payment or whatever else they do if your card suddenly misbehaves.

justsomehnguy•3mo ago
There are no more than using a plastic banking card. You still need to think what are you doing and what are you paying for and how much.
kalleboo•2mo ago
Where I am most of the systems have an option to use static printed QR codes that the payer scans. This is easy to use for small businesses like bars since it requires zero hardware or staff training.

There have been reports of people printing their own QR codes and sticking them over the QR codes for businesses.

teyc•2mo ago
With WeChat and Alipay, the recipients phone confirms receipt with a Kaching and TTS amount transferred.
phantomathkg•2mo ago
QR Code is too cheap to produce, it is easy for scammer to just print a fake one and take your money.

https://www.straitstimes.com/tech/can-i-trust-this-qr-code-c....

gmerc•3mo ago
Meanwhile all of Asia, China, Singapore, Taiwan, Thailand, India, increasingly Japan run just fine on QR.
wtmt•3mo ago
> QR Code base system is slow, have security risk and will not work without smartphone. Proliferation of hundred of QR Code based payments system is not a good thing, you need one that works across all countries.

Agree on some security risks. But the cost of creating, printing or sharing a QR code is very low compared to NFC hardware cost and availability. I don’t know what you mean by slow, because it takes about 10 seconds to complete a transaction. QR codes are quite common in cities and towns in India because of this reason (and the other is that Apple, though a tiny player in the market, hasn’t opened up NFC completely for others to use). You can pay another person or a merchant by scanning a QR code on a cheap Android phone. You can pay for a metro or bus ticket by scanning a QR code. You’d likely see restaurants having a QR code for menus instead of paper menus, and many more.

ulfw•3mo ago
Meanwhile everywhere you pay with a credit card in Australia you have to pay an additional 1-2% because they can get away with it. It's a terrible example really.

(just as an example: https://www.hilton.com/en/book/reservation/rooms/?ctyhocn=SY...)

"Hotel Message

Credit Card Fee

Credit Card payments relating to Australian hotels incur a merchant service fee of 2% in addition to the total amount payable."

FormFollowsFunc•3mo ago
It’s kind of how it should be. Otherwise people not paying by credit card are subsidising people who do. It might encourage the card companies to lower their fees.
amarcheschi•3mo ago
Managing cash itself though is other additional costs that aren't present when paying by card, having to bring it to bank periodically if you're doing that, ecc
stefanfisk•3mo ago
For a small shop that is work you can do yourself VS work you are forced to pay someone else to do.
amarcheschi•3mo ago
Oh yes that's sure, but you still pay in time rather than money (I guess it's OK for a lot of people)
barbazoo•3mo ago
There is debit cards in many countries with marginal fees. As it is now those savings aren’t passed on to me I still do it for local shops.
lozenge•3mo ago
It's still a form of rent seeking. They charge 2% because nobody else has the capability to create an alternative. It's preferable for a government to reduce rent seeking as it makes the economy more productive, eg by limiting the fee.
ulfw•3mo ago
It hasn't though and no it's not how it should be. Any kind of payment comes with a fee. Yes even counting cash at a bank isn't free. Paying a security firm to come pick up cash regularly isn't free.
immibis•3mo ago
And the hotel has accounted for this in their price. Apparently they find it 1-2% cheaper. It's only unfair if they only accept credit cards, and still add a hidden fee.
ulfw•2mo ago
They don't. You're assuming a lot of things. Extremely few people pay cash at a hotel (as even deposit would have to be in cash and held in place and refunded in person). Vast majority pay with card.

They're doing this because they can get away with it. Purely and simple. Large part of this 2% is extra profit.

immibis•2mo ago
I guess you find using your credit card to be worth the price, then. Every transaction has two sides.
TMWNN•3mo ago
>Meanwhile interchange fees in places like EU and Australia are more like 0.3%

Those places don't have the ruthless competition between card issuers and various rewards that occurs in the US. I was paid $1000 by Chase for opening a new card and doing the spend on it that I would have done anyway. I get 5% back on every purchase made at Amazon. I get 3% back for every food-related purchase. I get 2% back for every other purchase. I get rewards for my monthly rent payment. Etc., etc.

>I live in Asia where there is a cambrian explosion of QR-code based payment methods.

No American, used to having his Visa or Mastercard accepted at 99% and Amex accepted at 97% of places, would want to switch to constantly having to scan gigantic charts such as your example to see whether his card/payment method will work.

In other words, the US has the competition you spoke of, without the inconvenience.

amarcheschi•3mo ago
In Europe we don't often have recurrent bonus, and they're much smaller, but we still have banks giving you up to ~200€ to open a bank account and use it to deposit your wage, or other banks having cashback. Right now I'm having 10% cashback on everything (up to 70€/month of cashback) + 50€ for opening an account with ing. All I have to do is keeping a balance of at least 100€ for 1 day before 2026.

Other banks are starting to finally adapt to other countries and give interests on the liquidity you have in your account

blasphemers•3mo ago
Visa/MasterCard are essentially a network of banks, they only get a small percentage of the interchange rate. Most of it goes to the issuing bank which they use for rewards.

This line of thinking also ignores an important aspect of credit cards that benefit the merchant. 2-2.5% is not that much when it means you can sell to people without worrying about if they can pay for it. When that customer ultimately doesn't pay their CC bill(look at how high CC debt is), the issuing bank still needs to pay the merchant.

barbazoo•3mo ago
> 2.5% is not that much when it means you can sell to people without worrying about if they can pay for it.

Is that not how these other payment providers work? Would they let a transaction through that won’t be settled afterward?

blasphemers•3mo ago
What payment provider is allowing payments without accessing the customers current funds? With a CC, you can charge $1000 with only $100 in your bank account. That is not something you can do with ACH, check, cash, etc. Pay Now Pay Later providers like Affirm would also allow this, but I'm not sure what that looks like from a merchant POV
barbazoo•2mo ago
Oh ok so you can’t pay with money you don’t have. I wish that cost wasn’t socialized.
blasphemers•2mo ago
Is the cost of a dining room socialized if a restaurant does take out? It's a business cost that was from it's inception sold as a way to increase potential customer base and reduce risk, which is still a valid and correct way of looking at it considering bounced checks don't get paid out to merchants and cash gets skimmed.
jamesholden•3mo ago
"Deal under discussion would lower credit-card interchange fees for merchants, but could make it harder for consumers to use rewards cards at the register"

Surprise! The consumer loses again! It's always somehow benefiting everyone but the consumer. Too much control, not enough regulation. People shouldn't be bilked out of funds by paying to use their own money. We are shouldn't be _forced_ to use these service companies for making payments.

jjcob•3mo ago
Credit card rewards are not good for consumers. Low fees are good for consumers.
halJordan•2mo ago
Is there a meaningful difference between what the us has and what the eu has? Is everything 3% cheaper in the eu? What's the actual benefit consumers see
jjcob•2mo ago
> Is everything 3% cheaper in the eu?

No, because in Europe sales tax is higher and included in the displayed price, so stuff is generally more expensive. But obviously everything is 3% cheaper than it would be if businesses still had to pay 3% fees. (credit card fees used to be really high before EU regulation came in -- the minimum fee was so high that merchants sometimes paid more in fees than they made in profit when a customer swiped a credit card instead of a debit card).

But the much bigger advantage is that reward cards aren't a thing, and credit card usage is much less common. Most people just use their debit cards. Credit card debt is much less of a problem because credit cards aren't advertised like they are in the US. People spend less if they don't always have $3000 of credit available.

kotaKat•3mo ago
Good. Reward cards just open a disparate rift between classes.
quickthrowman•3mo ago
Middle class people saving 1.5% on retail purchases is not going to ignite a class war. I get like $40-50 a month back, $600 a year isn’t going to change the life of someone that makes a third of what I do.

We’d all be better off without credit card rewards and paying 2-3% less for everything but it is what it is.

kotaKat•3mo ago
Must be nice, I’m in the class that gets $0 back a month. $600 would definitely help.

But hey, I forgot HN is overindexed on overinflated big tech salaries while field tech workers get shafted on the low side.

josephcsible•2mo ago
You don't need a tech salary to get a rewards card. What's stopping you from getting, e.g., a Wells Fargo Active Cash, Citi Double Cash, or SoFi Unlimited card? They all give 2% cash back on everything. And if you have no or bad credit, there are even debit cards that will give you cash back, e.g., PayPal Debit will give you 5% back on a category of your choice (one of restaurants, apparel, fuel, groceries, or rideshare/transit).
quickthrowman•2mo ago
10 years ago I signed up for a 1.5% cashback card with Capital One, I had a 550 credit score and was making $15/hr. I also make less than $100k a year today.
zihotki•3mo ago
I can't wait till Wero* will be fully rolled out in EU. ECB does a good job of managing financial landscape for payments in the consumer friendly way

* https://en.wikipedia.org/wiki/Wero_(payment)

Havoc•3mo ago
Interesting. Wonder if it’ll be available for uk residents. Could be useful for mainland service like hetzner etc
bob1029•3mo ago
I would challenge any retail business to beat the 2.5% rate on their cash transactions once the various transit, security and banking fees have been factored in. Those armored trucks don't work for free.

The US payment networks are also incredibly robust with some fantastical operational guarantees. I cannot recall the last time I couldn't get an online authorization at a merchant terminal. There are rooms of people monitoring these things like a hawk 24/7/365. Imagine being called by your ISP proactively when they detect >.01% packet loss on your line. That was my job for an entire year. Calling banks on the phone in the middle of the night because we think there might be an issue before there actually is an issue. Statistically speaking, this is one of the most certain things in the life of a typical American. Visa alone processes a quarter trillion (10^12) transactions per year. We've got a lot of samples that say the system works really well and might be worth the cost.

You can point to regulation and artificial moats for prohibiting competition, but it's genuinely a difficult problem to solve, even if you can do it purely digital. Trust is the most challenging element. I think moving cash, checks and other paper around is easier in a lot of ways.

tristanj•3mo ago
Visa's merchant fee for in-person transactions is only 0.3% in Europe, with the exact same robustness and operational guarantees you describe.
blasphemers•3mo ago
Visa's fee in the US is also only 0.3%. Most of the interchange fee goes to the issuing bank and is used for cardholder rewards/benefits.
kobalsky•3mo ago
Well, it used to be justified but if they are lowering their rates it's in part because they are starting to get replaced by regional wallets.

Personally I think it's fantastic they are losing ground because it really rubs me the wrong way when they force their morals [1] [2].

[1] https://www.theverge.com/2021/8/19/22632797/onlyfans-prohibi...

[2] https://www.theguardian.com/world/2025/jul/29/mastercard-vis...

lotsofpulp•3mo ago
In the US, they are getting replaced by ACH. The seller gets to receive payment at near zero cost, with no chargeback risk.

A 3% credit card surcharge is enough to make me switch my insurance/mobile network/home internet/utility/property tax transactions to ACH to avoid losing money on a credit card transaction that I am never going to need to chargeback.

barbazoo•3mo ago
Careful with utilities etc there were stories here of people being charged outrageous amounts for their electricity use iirc (Texas?). I’d be hesitant to give them my bank account info, it could take years for that to get settled.
bob1029•3mo ago
> outrageous amounts

Apologies for the tangent, but variable rates are good. For everyone. For the grid. For the environment. I wish we could stop framing it as consumer extortion and start looking into educational solutions.

$9/kWh was bad but it literally could not get worse due to the market rules. I don't know anyone who was using Griddy who was not aware of this possibility. I had to pay ~$1200 that month for usage and I still came out way ahead of anyone who was using fixed rate plans for the year. This last part is probably the actual reason they made variable rate electricity plans illegal for consumers in Texas.

barbazoo•2mo ago
In BC I’m on a progressive 2 tier system. After x kWh the price goes up. But that’s based on use. I think that’s fair, otherwise it favors the rich.
blasphemers•3mo ago
Except the networks are not forcing their morals onto anyone, they are not payment processors.
kalleboo•2mo ago
That high fee doesn't go into running the network though, it goes into customer rewards schemes that end up being a tax on the poor who don't qualify for them but still have to pay the fees.
llsf•2mo ago
> I would challenge any retail business to beat the 2.5% rate on their cash transactions once the various transit, security and banking fees have been factored in. Those armored trucks don't work for free.

Lots of countries are fine with charge card, connecting directly to their bank account instead of going thru intermediaries. It does not offer the flexibility of the US credit card ecosystem, but lower fees for merchants (and so for end user). It might be a matter of culture and habits. But for some the Visa/MC/Amex fees seem too high, even if most is given back to the end user, it artificially increases the prices (that is why the US Gov. charges me more if I insist on paying my US property taxes with as credit card).

kylehotchkiss•3mo ago
I can see grocery stores and gas stations declining rewards cards. No big deal.

E-commerce or coffee spot denying them? I’ll shop around for another!