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Revival of the Chicago River

https://www.nationalgeographic.com/travel/article/what-to-do-along-the-chicago-river
1•ninju•42s ago•0 comments

Mamdani Has a Point About Rent Control

https://www.theatlantic.com/economy/archive/2025/11/mamdani-housing-rent-control/684790/
1•salkahfi•3m ago•0 comments

Google Earth Gets an AI Chatbot to Help Chart the Climate Crisis

https://www.wired.com/story/google-earth-gemini-ai-chatbot/
1•Brajeshwar•5m ago•0 comments

Why Every Family Needs a Code Word

https://www.wsj.com/tech/personal-tech/why-every-family-needs-a-code-word-e077ab76
1•Brajeshwar•6m ago•0 comments

Create Copyright-Free Songs from Text with Suno AI

https://suno-ai.one
1•ucollabn•6m ago•0 comments

Show HN: DeepFake – Free AI Face Swap Online

https://deepfakefusion.com
1•epistemovault•7m ago•0 comments

Cara Menghubungi CS OCBC

1•Andisanjaya•10m ago•0 comments

Why home sellers are rejecting buyers' love notes

https://sfstandard.com/2025/11/02/trouble-letter-home-sellers-rejecting-buyers-love-notes/
1•sowbug•12m ago•0 comments

How fast can an LLM go?

https://fergusfinn.com/blog/inference-arithmetic/
1•gmays•18m ago•0 comments

My previous post suggesting that China annex Singapore and Australia clearly

https://twitter.com/BeijingDai/status/1984973886287470602
1•keepamovin•24m ago•0 comments

When fintech startups outgrow their own controls, Linqto's collapse as a warning

https://capitalfolly.com/linqto-cutting-corners/
1•d_e_solomon•24m ago•1 comments

Algebraic Python Enums

https://lavafroth.is-a.dev/post/algebraic-python-enums/
1•lavafroth•27m ago•0 comments

The A.I.-Profits Drought and the Lessons of History

https://www.newyorker.com/news/the-financial-page/the-ai-profits-drought-and-the-lessons-of-history
2•Anon84•28m ago•0 comments

Scala vs. F#

https://alexn.org/blog/2025/11/01/scala-vs-fsharp/
1•clanky•31m ago•0 comments

A quick and easy way to visually save ideas

https://www.p4d.io
4•jwatermelon•34m ago•3 comments

Oxy is Cloudflare's Rust-based next generation proxy framework

https://blog.cloudflare.com/introducing-oxy/
3•Garbage•36m ago•0 comments

Agent HQ: Any agent, any way you work

https://github.blog/news-insights/company-news/welcome-home-agents/
2•Garbage•37m ago•0 comments

The Case Against LLMs as Rerankers

https://blog.voyageai.com/2025/10/22/the-case-against-llms-as-rerankers/
1•fzliu•37m ago•0 comments

Building Yantra: A Visual Workflow Automation Engine

https://patali.dev/posts/yantra-workflow-automation/
3•sathyabhat•37m ago•0 comments

What the World needs

https://medium.com/@amitprayal/what-the-world-needs-51f451099660
1•amitprayal•38m ago•3 comments

Lord Nikon's Laptop

https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/
4•jmspring•39m ago•0 comments

Braid groups connection with catalan numbers [pdf]

https://aimath.org/WWN/braidgroups/braidgroups.pdf
1•marysminefnuf•47m ago•0 comments

Show HN: PyTogether, open-source lightweight real-time Python IDE for teachers

https://pytogether.org/
2•JawadR•49m ago•0 comments

The Bible in the chaldean language [pdf]

https://www.scriptureearth.org/data/cld/PDF/00-WNTcldS-web.pdf
1•marysminefnuf•49m ago•0 comments

NetLogo – Environment for agent-based modeling

https://www.netlogo.org/
2•rickcarlino•53m ago•0 comments

Control Structures in Programming Languages

http://xavierleroy.org/control-structures/
2•todsacerdoti•56m ago•0 comments

Anchors don't work the way you think [video]

https://www.youtube.com/watch?v=FLvgeeJYAVQ
1•Timothee•58m ago•0 comments

The great decoupling of labor and capital

https://www.mbi-deepdives.com/the-great-decoupling-of-labor-and-capital/
58•walterbell•1h ago•20 comments

Inside Multi-Platform Docker Builds with QEMU

https://cefboud.com/posts/qemu-virtualzation-docker-multi-build/
5•signa11•1h ago•0 comments

I built my own non-subscription Lovart – design0.ai

https://design0.ai
2•ppaanngggg•1h ago•1 comments
Open in hackernews

'Do not trust your eyes': AI generates surge in expense fraud

https://www.ft.com/content/0849f8fe-2674-4eae-a134-587340829a58
36•departed•13h ago

Comments

departed•13h ago
http://archive.today/lvchA
Zanfa•11h ago
Apparently, archive.today uses an unbeatable captcha.
zzgo•11h ago
I think it has something to do with using a 1.1.1.1 or 8.8.8.8 DNS server. I'm using my ISP's DNS server and it's loading fine for me.
comrade1234•12h ago
There were free websites 25-years-ago for doing this. I remember because I lost a gas receipt and it was a huge pain to get reimbursed for it so the next time it happened I used one of these sites….
barbazoo•12h ago
That’s a hiring issue, not an AI issue.
croes•12h ago
Easy accessible AI made it easy for many people who couldn’t create believable fakes with Photoshop before.
barbazoo•6h ago
The end of the high trust society.
embedding-shape•12h ago
I'd probably get hate for this or whatever, but things like this is why it's inevitable that businesses and governments will eventually force cryptocurrencies on people, because then purchases/expenses/bills and anything else can be tracked fully across the spectrum.

I'm not for it, don't want it, but I can't help myself but to see that as the future, as fraud ramps up even more, gets cheaper and businesses feel they have no other way to combat it except adding more tracking everywhere, something blockchains and cryptocurrencies excel at, for better or worse.

trenchpilgrim•12h ago
> because then purchases/expenses/bills and anything else can be tracked fully across the spectrum.

Traditional banking already does this very well in most countries, through centralized systems with multiple redundant tracking and audit methods. Furthermore, crypto transaction fees are ludicrously high by comparision, and rarely offer the combination of "fast transactions" and "undo button" that traditional banking can provide.

embedding-shape•12h ago
> Traditional banking already does this very well in most countries, through centralized systems with multiple redundant tracking and audit methods

So how does traditional banking solve the very problem the submission article is about? Companies seem to say this is an issue today, some seeing 15% fraudulent receipts, if traditional banking did these things well, why are these companies still seeing these issue?

Again, I'm not arguing that things will be better with cryptocurrencies, just that if we suddenly see companies and governments urging people to adopt cryptocurrencies, I'd totally understand why, although I'd push against it as much as I could.

trenchpilgrim•12h ago
In my employers case they issue everyone a company card that has expense policies built in (it literally won't let you spend outside of policy). If you need to do a personal card expense it needs multiple levels of approval.
embedding-shape•12h ago
Sounds like a OK solution and much better than letting cryptocurrencies infect every side of society.

Maybe the companies in the article complaining about the fraud isn't aware you can do something like that? Or is there something else stopping them from doing that? Why isn't everyone doing that if it solves the very problem outlined in the article?

trenchpilgrim•12h ago
> Maybe the companies in the article complaining about the fraud isn't aware you can do something like that?

This is shockingly common in the business world. It's like, 40% of the reason the big consulting firms exist - to tell insular businesses that "hey, you can buy an off the shelf solution to this problem"

spankalee•12h ago
The much more easy thing is that they reimburse you only for what you charge to the company card. This is much more feasible now than it was even 10 years ago.
embedding-shape•12h ago
How much does it cost a business to manage say 10K company cards, maybe even globally? Sounds like a huge hassle, compared to "Send us a photo of your lunch receipt each day then at the end of the month we reimburse you".
trenchpilgrim•12h ago
My employer contracts with a vendor that manages them. It's not expensive or difficult anymore. Even individual consumers can mint "virtual cards" with different time-based or merchant-based spending policies and limits for free, since like five years ago now. (https://www.capitalone.com/learn-grow/money-management/what-...)
embedding-shape•12h ago
> Even individual consumers can mint "virtual cards" with different spending policies (see Capital One Eno) for free.

That's something else, isn't it? Or how do you pay with those at a typical POS terminal at a random lunch place?

trenchpilgrim•12h ago
You can add them to Google Wallet/Apple Pay. Useful for giving a family member a limited expense card, e.g. you can set up a "let my kid buy up to $X of food on weekends" card they can add to your phone.
embedding-shape•12h ago
Huh, interesting stuff, didn't know about it. Thanks for explaining!

Any ideas why the companies in the article doesn't just do that to fight the fraud then?

trenchpilgrim•12h ago
Replied in thread - they probably just don't know you can do it, because companies think in highly insular ways.
kaonwarb•12h ago
Likely less than the sum of costs and losses associated with verifying photos of receipts.
trenchpilgrim•11h ago
My expense card has an app that uses AI to OCR your receipts, automatically fills out 95-100% of the expense form, and for most transactions auto-approves it via per diem policy rules.
exhibitapp•12h ago
You have this flipped. Expense management systems with embedded company cards are an order of magnitude easier to managed and reconcile than dealing with thousands of employees' personal expenses and payouts
maxerickson•12h ago
If it's daily, why not just do a per diem and forget about tracking it?
embedding-shape•12h ago
Many companies are penny-pinchers and can't stand the thought of some people getting more than they actually spent. I don't know either, and couldn't stand working in such companies, but I've definitely contracted for companies like that and it seems miserable.
ghaff•12h ago
Costs differ by location. Formal per diems, even with some attempt to adjust, end up screwing employees who are in higher cost locations (and/or have higher standards). Which may be fine--or not.

But, to the degree that fraud becomes a real issue, it may be the simplest thing to do.

maxerickson•11h ago
Shorting someone who is getting funds for lunch by a couple bucks is not in fact "screwing them".
ghaff•11h ago
Perhaps. But I also have standards for both accommodations and meals that I never pushed too hard on but may be different from those you have. If work travel is consistently costing me a lot of money, I'm going to have an issue.
trenchpilgrim•11h ago
Some costs can't be per diem, e.g. travel costs to a conference or meeting for a distributed team.
ghaff•12h ago
I basically got out before this was a requirement but, yeah, to the degree that routine employee fraud becomes a material issue, locking things down becomes a grumble, grumble thing but it's just what companies will do.
abejfehr•11h ago
Not very much when there are products like this: https://floatfinancial.com/blog/virtual-credit-cards-canada/
trenchpilgrim•12h ago
Indeed, my employer provides everyone who needs to travel or expense a company card that only works when you are actively traveling and knows your spending policies, what places you're expected to be, etc.

I have had to occasionally expense something on a personal card and I had to get multiple levels of manager approval afterwards (not difficult, just explained the circumstance to them.)

3eb7988a1663•11h ago
This seems part of the design - make the non-card reimbursement process so painful that everyone prefers to use the corporate card.
trenchpilgrim•11h ago
Yeah, if I use the corporate card and stay in policy I don't have to fill out expense forms :)
thrance•12h ago
That's already accomplished by centralized ledgers, at a tiny fraction of the cost.
rafaelmn•12h ago
You mean digital currencies - not crypto currencies.

And yeah they are already pushing for this for a long time already

embedding-shape•12h ago
> digital currencies - not crypto currencies

Are those "digital currencies" not using cryptography? If so, they're a cryptocurrency, regardless how centralized or not they are. See Tether for an example of a centralized "cryptocurrency" (not "digital currency").

trenchpilgrim•12h ago
> Are those "digital currencies" not using cryptography? If so, they're a cryptocurrency, regardless how centralized or not they are.

By this logic buying something on Amazon in USD, or doing a bank transfer from a Wells Fargo account to a Bank of America account, or paying a water bill is using a cryptocurrency hahaha

embedding-shape•12h ago
Is that really the basis of those transfers, or something that they're using? This is why it's kind of tiresome to even mention cryptocurrencies/blockchain, all the "assume good intentions" and "answer charitable" suddenly flies out the window.

Why is it that some topics just triggers some raw emotional feelings in people?

trenchpilgrim•11h ago
Yes, when I worked with moving money between businesses and banks decades ago, we used public key crypto as part of the system for sharing ledgers and running transactions. Banks aren't stupid, any technology that can actually reduce fraud by more than the cost of using the system gets quickly adopted.
embedding-shape•11h ago
Yeah, of course, why wouldn't they? No one claimed otherwise.
calmworm•12h ago
Why would you get hate for it, because you are promoting cryptocurrency and conflating it with blockchain?
embedding-shape•12h ago
Because any time you mention cryptocurrencies and/or blockchain, you end up with a ton of replies that either argues completely different points, or misunderstand how things work, especially on HN.

Your reply is a good example. I said "I'm not arguing that things will be better with cryptocurrencies" and you say "because you are promoting cryptocurrency". I'm sure some people like this way of conversing, but for me it's exhausting, like what's the point?

calmworm•11h ago
The point is accuracy, clarity, and not muddying concepts. You can acknowledge the benefits of blockchain as an immutable ledger without bringing cryptocurrency into it. I don’t care either way, but saying you’ll “get hate” signals you knew the post was inaccurate or provocative - on a possibly throwaway account…
embedding-shape•11h ago
> You can acknowledge the benefits of blockchain as an immutable ledger

For me that's not a benefit, where are you getting that I've said so from?

The only thing I said was that I understand why'd companies/governments would try to force cryptocurrencies on people, even though I personally wouldn't like that.

> but saying you’ll “get hate” signals you knew the post was inaccurate or provocative

I'm said that because I've been around on HN for more than a decade and know there are people just waiting to jump on anything where cryptocurrencies OR blockchain is mentioned, and they usually try to argue against points no one makes. If you've been around HN for a long time, you know this to be true too, it isn't exactly a secret.

> on a possibly throwaway account

Just a new account from a member who initially signed up around 2008 sometime :) Obviously not a throwaway account if you go through my comments, I've been using it exclusively since I switched.

calmworm•11h ago
> For me that's not a benefit, where are you getting that I've said so from?

You mentioned expense tracking. A benefit of blockchain as far as the corporations or government would be concerned - not you personally. No worries. :)

AtlasBarfed•12h ago
It's just going to make gold all the more valuable
unlikelytomato•12h ago
Alternatively, companies will just go back to corporate cards with very strict vendor rules. When vendor rules are not enough, they will go back to extremely tight per diem and simply not care of the expense was strictly real or not. I can't see any advantage to using a whole new currency and exchange that every vendor in the world is now going to have to support for this to be useful vs these simple measures.
embedding-shape•11h ago
> these simple measures

I'm not sure either, it's mostly a guess I guess, more than a prediction. But if companies/governments can get more tracking, usually that's the way they move.

So if the companies that are complaining in the article implements your simple measures, does that mean the fraud problem they're talking about have been solved already? That begs the question, why aren't they just doing that then?

naijaboiler•11h ago
Not solved but constrained. If I post you per diem. I no longer have to worry about if what you spend it on is legit or not
embedding-shape•11h ago
The problem isn't "spending above/below per diem" as I understand the article. The problem is that whatever spending is happening, might be fake, that's why they're complaining about "faking expense receipts".

So it does seem like the companies themselves do worry about if what you spend it on is legit or not, it's almost the entire purpose of the article unless I misunderstand something?

unlikelytomato•8h ago
In my experience, this form of expense management is a relatively new development. Not so long ago, I had a company linked corporate card. Credit card transactions are already labeled with the type of purchase. You have to submit a report that corresponds to the actual charged amount. Additionally, they get all the bills with their hotel partner to cross reference the transactions with the credit card and the submitted expense. Flights etc worked the same way. Those are now additionally tracked in the company travel relationship portals which accomplish the block chain without the block chain. None of this requires a global immutable currency ledger or anything like that to accomplish their goal: just get some reasonable transaction validation long enough to process the expense then never look at it past an audit. Later, they also made people eat from the same hotel and negate the issue for meal expenses. It's just not a technology problem. If it were, they would just demand more granularity from the credit card company and the employee and reject things out of policy.
jt2190•11h ago
Putting coercive governments aside, the cryptocurrency would need to allow for transaction reversals (a.k.a. “chargebacks”) like credit cards do today, and additionally need to have some kind of “know your customer” (KYC) capability, not just a public ledger that points to crypto wallet addresses but actual names and addresses, so that the “credit system” can identify fraudsters and, at minimum, mark them as such by lowering their credit score.
Zanfa•11h ago
Another usecase that already works better without any cryptocurrency or blockchain involved.

In Estonia, the government offers public key infrastructure, so any party needing to prove legitimacy of documents from a 3rd party can get it digitally signed by the originator. For example, when you need a bank statement, you can just download a signed PDF (technically it's a zip, but whatever) that proves the legal entity (or person) that ensures it's legitimate.

embedding-shape•11h ago
> Another usecase that already works better without any cryptocurrency or blockchain involved.

Agreed! But if I've learned anything in my years on earth so far, is that anything that can be misused, will be misused, and if companies and government can do something that adds more abilities for tracking people, they'll go that way. If it can work cross-border, give people the impression it's "the future" and let companies/governments get more power, then they'll continuously push for that future.

linked_list•11h ago
Why would a government use cryptocurrencies though? You only need that if you have no single source of truth. For a government digital banking is enough and way cheaper. Unless by crypto you just mean cryptographically signed transaction logs or something.
embedding-shape•11h ago
> Why would a government use cryptocurrencies though?

Once it happens in the future, probably because the already rich politicians have loaded up on some specific cryptocurrency they then try to pitch as the official currency for their country. Already happened once, and I'm sure we'll see more of it in the future as the overton window moves when the population gets older.

I don't think it's a good idea, I'm not eager to reach that future, but it's hard not to have the most negative view of the future considering what's happening in the moment around the world. I guess I'm too pessimistic not to see that as the eventual outcome.

anotherhue•12h ago
Receipt printers are about $20 so all that's new is that it's easier.
PaulKeeble•12h ago
We are not ready for the image and video fraud that is happening now and very much is coming. I can see why governments are starting to push for government issued ID to pervade into everything because its going to require a large amount of tracking to counter all the fakes. Rather than tracking everything a move to a usable trust and verifiable signature system is preferable from a piracy point of view and would still counter the fakes.
woleium•11h ago
payment by stablecoin would prevent this
blibble•12h ago
finally a use for AI

where's simonw's blog post about this

zkmon•12h ago
The business world fully deserves it. When you produce nukes, you should also build nuke shield. No more horse fighting.
whatpeoplewant•2h ago
Images of receipts are now essentially untrusted input. A practical defense is a multi-agent, agentic AI pipeline: one vision/LLM agent extracts fields, a second cross-checks totals/taxes against card and merchant data, another performs image forensics/metadata checks, and a policy agent enforces per-diem rules—run in parallel to keep latency low. Distributed agentic AI can also reconcile expenses with itinerary, geo/time, and booking records, flagging only high-confidence anomalies for human review; pair this with cryptographic receipts or tokenized card data to reduce reliance on screenshots.