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Decorative Cryptography

https://www.dlp.rip/decorative-cryptography
58•todsacerdoti•2h ago•13 comments

Databases in 2025: A Year in Review

https://www.cs.cmu.edu/~pavlo/blog/2026/01/2025-databases-retrospective.html
88•viveknathani_•3h ago•12 comments

A spider web unlike any seen before

https://www.nytimes.com/2025/11/08/science/biggest-spiderweb-sulfur-cave.html
72•juanplusjuan•3h ago•22 comments

Revisiting the original Roomba and its simple architecture

https://robotsinplainenglish.com/e/2025-12-27-roomba.html
21•ripe•2d ago•5 comments

Lessons from 14 years at Google

https://addyosmani.com/blog/21-lessons/
1258•cdrnsf•19h ago•538 comments

During Helene, I just wanted a plain text website

https://sparkbox.com/foundry/helene_and_mobile_web_performance
209•CqtGLRGcukpy•7h ago•115 comments

The unbearable joy of sitting alone in a café

https://candost.blog/the-unbearable-joy-of-sitting-alone-in-a-cafe/
625•mooreds•19h ago•371 comments

Show HN: Terminal UI for AWS

https://github.com/huseyinbabal/taws
317•huseyinbabal•14h ago•156 comments

Logos Language Guide: Compile English to Rust

https://logicaffeine.com/guide
39•tristenharr•3d ago•21 comments

Why does a least squares fit appear to have a bias when applied to simple data?

https://stats.stackexchange.com/questions/674129/why-does-a-linear-least-squares-fit-appear-to-ha...
245•azeemba•14h ago•66 comments

Street Fighter II, the World Warrier (2021)

https://fabiensanglard.net/sf2_warrier/
383•birdculture•19h ago•68 comments

Why Microsoft Store Discontinued Support for Office Apps

https://www.bgr.com/2027774/why-microsoft-store-discontinued-office-support/
28•itronitron•3d ago•27 comments

I charged $18k for a Static HTML Page (2019)

https://idiallo.com/blog/18000-dollars-static-web-page
293•caminanteblanco•2d ago•72 comments

Baffling purple honey found only in North Carolina

https://www.bbc.com/travel/article/20250417-the-baffling-purple-honey-found-only-in-north-carolina
80•rmason•4d ago•20 comments

Building a Rust-style static analyzer for C++ with AI

http://mpaxos.com/blog/rusty-cpp.html
57•shuaimu•5h ago•26 comments

Monads in C# (Part 2): Result

https://alexyorke.github.io/2025/09/13/monads-in-c-sharp-part-2-result/
24•polygot•3d ago•19 comments

Web development is fun again

https://ma.ttias.be/web-development-is-fun-again/
395•Mojah•19h ago•487 comments

Eurostar AI vulnerability: When a chatbot goes off the rails

https://www.pentestpartners.com/security-blog/eurostar-ai-vulnerability-when-a-chatbot-goes-off-t...
151•speckx•13h ago•37 comments

Linear Address Spaces: Unsafe at any speed (2022)

https://queue.acm.org/detail.cfm?id=3534854
158•nithssh•5d ago•115 comments

Show HN: An interactive guide to how browsers work

https://howbrowserswork.com/
233•krasun•19h ago•33 comments

How to translate a ROM: The mysteries of the game cartridge [video]

https://www.youtube.com/watch?v=XDg73E1n5-g
18•zdw•5d ago•0 comments

Claude Code On-the-Go

https://granda.org/en/2026/01/02/claude-code-on-the-go/
325•todsacerdoti•14h ago•208 comments

Six Harmless Bugs Lead to Remote Code Execution

https://mehmetince.net/the-story-of-a-perfect-exploit-chain-six-bugs-that-looked-harmless-until-t...
65•ozirus•3d ago•17 comments

NeXTSTEP on Pa-RISC

https://www.openpa.net/nextstep_pa-risc.html
34•andsoitis•9h ago•7 comments

Ripple, a puzzle game about 2nd and 3rd order effects

https://ripplegame.app/
124•mooreds•16h ago•32 comments

Moiré Explorer

https://play.ertdfgcvb.xyz/#/src/demos/moire_explorer
167•Luc•21h ago•19 comments

Agentic Patterns

https://github.com/nibzard/awesome-agentic-patterns
125•PretzelFisch•15h ago•22 comments

Anti-aging injection regrows knee cartilage and prevents arthritis

https://scitechdaily.com/anti-aging-injection-regrows-knee-cartilage-and-prevents-arthritis/
319•nis0s•19h ago•120 comments

Bison return to Illinois' Kane County after 200 years

https://phys.org/news/2025-12-bison-illinois-kane-county-years.html
152•bikenaga•5d ago•46 comments

The Showa Hundred Year Problem

https://www.dampfkraft.com/showa-100.html
45•polm23•5d ago•18 comments
Open in hackernews

Using AI generated images to get refunds

https://www.wired.com/story/scammers-in-china-are-using-ai-generated-images-to-get-refunds/
79•MattSayar•5d ago

Comments

maelito•21h ago
We absolutely need certified no-AI digital proofs.
embedding-shape•21h ago
We absolutely also need full and complete peace on earth and no more wars, but what we need isn't always what is feasible to get in real life. "No-AI proofs" falls into that bucket of "Would be nice to have, but very infeasible to actually create".
exe34•21h ago
it will be implemented by chips-on-camera, that will tie you to a picture. it will be pushed forward by law enforcement ("think of the children!") and it will be great for profits. not so much for privacy.
gray_-_wolf•21h ago
Out of curiosity, what stops you from taking a photo of a AI generated picture?
eru•20h ago
Well, you could make your verified camera do a 3d scan. Then at lest you'd need AI to 3d print a scene or something.
embedding-shape•14h ago
How do you securely read this "3D scan" sensor data, being 100% it hasn't been tampered with?
exe34•14h ago
you can tie the sensor to a chip that signs the data as it goes out.
eru•3h ago
Use whatever technology you used to make the 2d camera tamperproof.
nojs•20h ago
The same thing that stops your phone’s Face ID working with a photo of a face, I suppose
embedding-shape•21h ago
Yet it doesn't actually solve the problem. Whatever technical implementation you can think of, can somehow be misused so you have AI pictures labeled as "Genuinely not AI".

If you do come up with a 100% fool-proof implementation of this, you'll be able to get a lot of money for it, so do give it a try! Many have tried before you, yet it always turns out to be short of impossible. But who knows, maybe there is a way...

exe34•19h ago
I didn't say it would work - I said it would be made mandatory and will be used against us.
embedding-shape•19h ago
Right, I guess I was still with the original topic/subject:

> We absolutely need certified no-AI digital proofs.

gruez•18h ago
>it will be implemented by chips-on-camera, that will tie you to a picture.

You can mitigate this by having a pool of devices (eg. 1000) share keys. AFAIK TPM chips and U2F/FIDO keys do this to provide some anonymity while limiting the blast radius if a key does get leaked.

exe34•14h ago
Well that's no good for big brother, is it.
frenzcan•21h ago
This seems like such a tricky problem. There was a no-ai camera posted here recently which verified the photos were genuinely taken on the device. It was pointed out someone could photograph an ai image via the camera to produce a verified image.

Maybe it needs to be similar to SSL certificates where trusted authorities can verify and revoke verification for digital assets.

stanac•20h ago
I was thinking the same thing. Apple and Google can start (as tech companies) to add signatures to images. As long as private key doesn't leak we are good. And each manufacturer can have different cert issued by higher authority e.g. Google, so it can be revoked when it leaks. They could include digital camera manufacturers (sony, nicon, canon, ...) and define a standard. Signature can be a meta tag based on hash of the image.

This would limit authenticity to images taken by official software.

webstrand•20h ago
You can still just manipulate the official hardware to produce the image you desire, i.e. record a video that's projected onto a wall. And it'd be fairly easy to do with existing technology too.
intended•20h ago
Wouldn’t it end up being some form of nuisance proof? Introducing friction to create verification check points or examine and establish the chain of evidence?

But that will only matter for highly legal things or important things. Everything else will be too much of a bother to follow information hygiene.

It’s like we’ve introduced an information weed, whose only goal is to create content that matches our dopamine receptors. Maybe our instincts will shift to assuming any shiny or eye catching content is fruit of the weed? Designed to attract us?

orbital-decay•20h ago
Of course. I already imagine an end-to-end hardware DRM pipeline where images can only be modified with the software made by "trusted" certified parties. Mandated by law and tied to your real ID, of course. Analog loophole can be dealt with later, first things first. /s
konfusinomicon•20h ago
back to the blockchain!
risyachka•21h ago
And again, few will ruin it for all of us.
websiteapi•21h ago
Eventually the concept of refunds will become very rare. In fact, it, along with free shipping were pretty rare before Amazon and Walmart.

If you travel and go to some random beach town and buy random item from random street merchant, they won’t give you a refund. Main issue to bridge is ensuring the item is expected as you can’t physically inspect prior to purchase.

It’ll be interesting to see how that’s solved. I participate in kickstarter which defacto doesn’t really offer refunds, so maybe it’ll be the same.

gyomu•21h ago
> Eventually the concept of refunds will become very rare

Except where enshrined by law, eg in the EU

websiteapi•21h ago
laws can change - eventually this scam described in the article will be ubiquitous and unavoidable.
gray_-_wolf•21h ago
Laws can change, sure, but probably business practices will change first, since it is easier. In EU, you are entitled to money refund for online purchased goods (with some caveats ofc), but the business can (and most do) require you to send the item back first, on your own expense. That reduces the risk of fraud like this.
websiteapi•21h ago
hardly - go read up on eBay scams. it's never been easier to scam people online. all shipping the item do is force the scam buyer to make the defects so, which is why many if not most seller just pay the buyer partially to keep as-is
immibis•20h ago
if you have to break the item and then send it back, what did you gain from the scam?
websiteapi•16h ago
most of the time you would get partial refunds.
embedding-shape•21h ago
> If you travel and go to some random beach town and buy random item from random street merchant, they won’t give you a refund. Main issue to bridge is ensuring the item is expected as you can’t physically inspect prior to purchase.

Depends on how large the beach town is, and what country. Whenever I've needed to return/change things in those type of places (in South America, South Europe and around East Asia), it's never been a problem even if I don't have a receipt, as usually the vendor recognize you, or the person who sold it to you is around somewhere.

I can remember one clear time (probably out of 10s) where someone refused to take back an item that clearly didn't work the way it was sold to us.

mcphage•19h ago
> Eventually the concept of refunds will become very rare.

I don’t think so—it makes the risk of purchase too high, and people will buy less. Which is not what the sellers want.

> it, along with free shipping were pretty rare before Amazon and Walmart.

Refunds were not rare before Walmart and Amazon.

harvey9•19h ago
Refund-without-return is what might fade out. I've had that with low value things like a lightbulb that had the wrong fitting.
websiteapi•16h ago
free shipping even for returns were indeed rare, thus a refund was not free, nor complete
mcphage•15h ago
You just took it back to the store, there was no shipping involved.
websiteapi•14h ago
we're talking about e-commerce here...
mcphage•12h ago
Are we? Your very next line was about buying something from a street merchant.
isoprophlex•21h ago
Maybe the extreme scalability of AI bullshitting will offset the extreme scalability of running large-scale direct-to-consumer oligopolies, and we see some return to local shopping, with all the positive effects on local communities... one can hope
kaffekaka•21h ago
I want you to be right, but that requires quite a lot of hope.
eru•21h ago
Division of labour is a good thing. It's why we are rich today.
sweezyjeezy•20h ago
That's a stretch. One can hold the view that division of labour is a useful economical principle, but also that oligopolies represent a dangerous concentration of power.
eru•16h ago
What oligopolies?
only-one1701•20h ago
Well, it’s either a that, or we took a bunch of resources from all over the world by force. Maybe a bit of both?
eru•16h ago
Who took resources by force?

For comparison, Ireland is amongst the richest places in Europe these days, and they never colonised anyone. They used to be colonised.

blibble•18h ago
where "we" is bezos

meanwhile my local highstreet is essentially dead

fosco•20h ago
Local stores bullshit too, I was at a well known American ‘sporting goods’ store and got an exercise ball of 75cm size (it states on box), it is fully pumped and smaller than a 55cm ball that I have. When purchasing online I’ve had better luck

Caveat emptor

dorfsmay•19h ago
Did you measure them?

Did you return the one you bought locally?

mauvehaus•17h ago
Just so we're clear: are you having an issue with the size of the balls at Dicks[0]?

[0] https://www.dickssportinggoods.com/

kyleee•14h ago
I have noticed the balls in my local dicks have occasionally been smaller than advertised as well, I wonder if there is some trend or fraud being perpetrated
mensetmanusman•20h ago
All we know is that we have no idea what the consequences are going to be after this plays out.
pembrook•19h ago
What positive effects?

More suburban strip malls, more fluorescent lighting, more people working mindless do nothing retail jobs for minimum wage, higher prices due to zero economies of scale, inefficiency from every local store reinventing the wheel of staffing/recruiting/scheduling/warehouseing/anti-theft/POS/advertising/etc.

If online shops have to raise prices to combat fraud it doesn’t suddenly turn springfield Ohio into the Zurich city center.

supriyo-biswas•21h ago
The way I see it, generative AI has been introducing a lot of distrust into systems that worked "fine" previously, such as rendering homework ineffective in the case of education, making verification difficult for remote interviewing, flooding the internet with low-quality noise (aka slop) that makes it difficult for reputable and researched sources of information to stand out, with all the implications it has for society, the fraudulent returns described here, and the like.

Ultimately, it would be a bit ironic if generative AI ends up kneecaping itself, either through regulation (because businesses and governments will be unlikely to tolerate hiring fraud, returns fraud etc. beyond a threshold), or caused things to move into meatspace through on-site interviews, reliance on physical stores, elimination of online courses and others, which is less amenable to its application.

thunky•21h ago
> rendering homework ineffective

Homework isn't any more ineffective imo. The way we educate and grade is.

Imagine if people went to school to learn something rather than to "level up". And you earned a job based on what you know, or what you can do, rather than what degree you banked.

Then maybe you would want to do the homework.

If gen AI helps us flip the current system on it's head that would be a good thing.

supriyo-biswas•20h ago
> And you earned a job based on what you know, or what you can do, rather than what degree you banked

As I see it, companies will want some sort of artifact that tells them that the person has some basic knowledge in their field of study, which would make us come back to the same system that many detest.

Otherwise we'll just end up with Samsung Korea's version of the entrance test[1] which is like the SAT but for getting a job, which only a handful of companies can realistically do, and as such there is very little appetite for it in the "West".

[1] https://www.graduatesfirst.com/samsung-aptitude-tests

thunky•20h ago
> As I see it, companies will want some sort of artifact that tells them that the person has some basic knowledge in their field of study

Sure, but unfortunately a degree doesn't really do that today. When you interview someone, do you care at all about their degree or grades? Does it give you confidence they know something? I don't think so.

Which is my main point, that this isn't a new problem.

carlosjobim•20h ago
Companies can do their own tests to find suitable candidates. They should.
intended•20h ago
No one is willing to pay for this. Bloom’s 2 sigma problem is from 1984.

MOOCs were the hope for education but that didn’t take off either. Now any remote learning will need physical examinations, which make certification pathways for everything more expensive.

Even if you want to study, our distractions are crafted by people who spend hours figuring out the right dopamine reward schedules to keep you distracted.

thunky•17h ago
> Now any remote learning will need physical examination

I don't think so. Proving you can pass a test is pretty useless imo. Especially when it typically boils down to a memorization test and the subject matter is largely irrelevant.

intended•4h ago
Proving you can pass an open book test ? Or doing graded assignments?

That wasn’t something possible prior to LLMs. Being able to cheat code or generate homework assignments was not this trivial either.

avereveard•21h ago
every time I dig in this story is always stories of stories, and all walk backward to maybe one single merchant, which is just his word, with no police trail or court case trail or anything substantial, with news agency work over "examples and reconstruction of what might have happened" and no actual data that could be verified / falsified.

is this something anyone has actually seen happen, or is it part of the AI hype cycle?

websiteapi•21h ago
scamming to get refunds has always been a thing.
avereveard•21h ago
and that say nothing whether this is actually happening or not, what's your point?
ACCount37•20h ago
That "whether this is actually happening or not" is not even a question worth asking.

No shit it's happening. Now, on what scale, and should we care?

avereveard•20h ago
is it happening literally is the most important question. people are clamoring for regulations and voiding consumer protections, over something nobody seem to find a independently verifiable source.
ACCount37•19h ago
Lmao no. "The estimated amount of refund fraud" + "off the shelf AI can generate and edit photorealistic images" adds up to "refund fraud with AI generated images" by default.

There are enough fraudsters out there that someone will try it, and they're dumb enough that someone will get caught doing it in a hilariously obvious way. It would take a literal divine intervention to prevent that.

Now, is there enough AI-generated fraud for anyone to give a flying fuck about it? That's a better question to ask.

avereveard•18h ago
Well then you'll have no trouble to find a verifiable source of it happening and prove your point. something beyond "this person said" or "here a potential example to showcase it's possible"
ACCount37•18h ago
No. The prior is so strong that it's up to you to prove that no AI fraud is happening.

Good luck.

avereveard•18h ago
The "some say" prior?

well then here's my refutation: some say this isn't happening at the scale this article claim someone say it's happening.

that should convince you by your own admission.

beside it's the article responsibility to provide evidence for their points. circular links leading to the same handful of stories is not "preponderant"

ACCount37•15h ago
The "humans are stupid in all the usual ways" prior.

You might as well be asking for proof that humans use AI to generate porn.

estearum•20h ago
It's funny how every few months there's a new malicious usecase that AI proponents cast unreasonable amounts of doubt onto, then the problem becomes widely recognized, and AI proponents just move onto the next bastion of "ya but is this obvious malicious use case of my favored technology REALLY happening?"

Gigantic bot farms taking over social media

Non-consensual sexual imagery generation (including of children)

LLM-induced psychosis and violence

Job and college application plagiarism/fraud (??)

News publications churning out slop

Scams of the elderly

So don't worry: in a few months we can come back to this thread and return fraud will be recognized to have been supercharged by generative AI. But then we can have the same conversation about like insurance fraud or some other malicious use case that there's obvious latent demand for, and new capability for AI models to satisfy that latent demand at far lower complexity and cost than ever before.

Then we can question whether basic mechanics of supply and demand don't apply to malicious use cases of favored technology for some reason.

avereveard•20h ago
well yes that's how should we navigate societal change, out of actual threats and not what ifs. what ifs gave us some nice piece of work legislation before like DMCA, so yeah I'm going to be overly cautious about anything that is emotionally charged instead of data driven.
estearum•20h ago
Who is talking about legislation?

Are you adjusting your perception of the problem based on fear of a possible solution?

Anyway, our society has fuck tons of protections against "what ifs" that are extremely good, actually. We haven't needed a real large scale anthrax attack to understand that we should regulate anthrax as if it's capable of producing a large scale attack, correct?

You'll need a better model than just asserting your prior conclusions by classifying problems into "actual threats" and "what ifs."

pixl97•19h ago
I mean digital privacy was not a what-if when the DCMA was written, it and its problems existed long before then. You're conflating business written legislation which is a totally different problem.

Also I guess you're perfectly fine with me developing self replicating gray nanogoo, I mean I've not actually created it and ate the earth so we can't make laws about self replicating nanogoo I guess.

avereveard•18h ago
Yes please go ahead and do. We already have laws against endangerment as we have laws against fraud as we did have laws aroubd copyright infringement. No need to cover all what ifs, as I mentioned, unless unwanted behaviour falls between the cracks of the existing frameworks.
pixiemaster•20h ago
I was consulting for an insurance company once. they even had examples of some of their employees to get insurance money for broken things, using their internal example pictures….
PunchyHamster•20h ago
well, now that it hit the news it will happen more often!
avereveard•20h ago
maybe, but this story is circulating for a while now even on mainstream media, and I still haven't seen shops names, no order IDs, no platform statements, nothing that can be independently verified yet. just "people say". sure if this is such a big problem we'd have some proof to go by by now.
intended•20h ago
I’ve heard that this was happening with food apps in India. I am waiting for when people realize how to fake prescriptions.
pixl97•19h ago
I mean a lot of US states use an electronic system where the doctor submits them directly. Are there still many printed prescriptions?
intended•4h ago
Not in place outside in India, (or I suppose some US States, based on what you said?) I am going to guess that theres far more paper prescriptions than digital, globally.
driverdan•17h ago
> I am waiting for when people realize how to fake prescriptions

How would an LLM help with that? Paper prescriptions can be copied using Word and a pen.

intended•4h ago
Image gen, not LLM help.

Word and a pen is still effort, compared to just Image + prompt.

TrackerFF•20h ago
Seems easy enough to fix, by requiring the customer to bring back to purchased item. I mean, that's how it still works in the real world, at least where I live - if I purchase something from the grocery store, which turns out to be spoiled, I'll take the item back and get a refund.
intended•20h ago
There is always a Fix to a problem. Fixes for fraud will always impact the majority who don’t use fraudulent techniques.

The cost of the Fix is the issue.

That’s resources that need to be spent to combat a type of fraud that was impossible at scale 4 years ago.

atonse•20h ago
Isn’t this easy to fix over time? Like ok, you issue one refund. But if Amazon sees the same users requesting too many refunds then it is a red flag?
lm28469•20h ago
I've been rotating a few amazon accounts for a decade to be in almost continuous free prime, they don't give a shit yet
harvey9•19h ago
This is a somewhat useful filter for actual consumers but here we are also looking at large scale fraud. The article mentions opponents using rotating IP addresses and high volumes of refund requests to try to overwhelm counter-fraud measures.
KellyCriterion•20h ago
During the dotcom-boom, I worked for SME IT shop;

Sometimes we asked for refund some stuff and my boss told me: "dont deliver them the original hardware, pick a cheap one from the stock and put it in the box"

This worked very often without any questions, so we just could keep the good stuff :-D

utopiah•20h ago
Ah finally some positive use of GenAI! Wait no, still not... /s
intended•20h ago
GenAI really is underscoring how much of society is about veracity.

I’d say the fears and defenses we had in place for speech online, are having their foundations ripped out from under them.

Most of the concern used to be about government control, and that more speech would be the way to democratize and expand our agency over our lives.

However now, especially with generative AI and LLMs, the primary vector to control the market place of ideas is to overwhelm the market.

Reduce the cost to make content, sandblast our receptors, create too many things to spend our collective energy on verifying, and the outcomes are the same as controlling what is thought and discussed.

ChrisMarshallNY•20h ago
> Plus, even with supposed confirmation from a chatbot, ecommerce platforms won’t necessarily always side with the seller.

Amazon is pretty notorious for shipping almost all of the risk onto the seller. I suspect that's the norm, these days, for most platforms.

grumbel•20h ago
That's something C2PA[1] might be able to help with, i.e. your phones camera puts a digital signature on the photo confirming that your phone took it. If that doesn't work out due to people photographing an AI image of a display, I would expect custom shop apps to be required to make warranty claims, as they could make use of all the phones sensors and make forging much harder.

Either way, I am not sure how big of a problem this is to begin with, since you'd leave quite the paper trail either way. It's not a stunt you can pull off repeatedly without getting caught.

[1] https://c2pa.org/

mensetmanusman•20h ago
Good idea. It’s a type of image that doesn't need to be modified, so an encoding verification scheme would work.
mschuster91•15h ago
C2PA only holds up until someone can extract the key material from any cheap-ass sensor.
bgbntty2•19h ago
An easy solution - open the package when the delivery person comes or when you pick it up from the delivery office. The delivery person can take a photo and act as a witness. If you take the package from the local delivery office, there are cameras and staff, so I can't just swap a ripe apple for a rotten one.

Where I live we don't have the habit of just putting the delivery on the porch for a few reasons. First, it's ridiculous if you think about it - no one signed for it, so how could you mark it as delivered? I don't get the US in that regard. Secondly, most of the houses have fences, so the delivery person can't come to the house even if they wanted to. You're basically required to meet the delivery person.

gruez•18h ago
>An easy solution - open the package when the delivery person comes

That would massively slow down delivery times, especially if the packaging is non-trivial to open/inspect. Not to mention that not everyone works a comfy remote job where they're at the door the entire day.

bgbntty2•17h ago
I'm at home most of the time, yet I prefer to go to the delivery office to pick up my packages. It's a 5 minute walk, as they're all over the city. Might not work well for big car-first American cities, though. I prefer going to the delivery office because I hate waiting for a delivery person to show up and wondering if I have time to go to the bathroom or not.

But I agree that not everything is easy to inspect. Most things seem to be, though. Another issue is not wanting third parties from seeing what you've purchased.

kodyo•14h ago
The honor system is a remnant of a high-trust society. Living in a place where you can generally trust your neighbors is neat.