Hey Stacker News folks,
I’m excited to introduce LN Roulette—a new roulette game built around Lightning Network technology and Provably Fair mechanics. We aimed to create a transparent, fast, and fun gaming experience tailor-made for Bitcoiners.
Key Features
Lightning Integration
Instant deposits and withdrawals via Lightning—no more waiting around for confirmations.
Provably Fair
Every spin is verifiable through our transparent RNG system, ensuring you’re always on a level playing field.
Spins Every Minute
A fresh spin happens every 60 seconds with everyone at the same table—making it a real-time, communal experience (no dealer, no waiting!).
Login With Nostr or LNURL-AUTH
Quick, secure sign-in—ditch the passwords and try LNURL-AUTH or link your Nostr profile.
Progressive Web App (PWA)
Install LN Roulette on your device (mobile or desktop) for an app-like experience without an app store.
Ready to Play?
Check It Out: https://lnroulette.space/
Follow on Nostr: https://primal.net/home
We’d love your feedback—especially from the LN community. Let us know what you think, and how we can improve. Happy spinning and good luck!
- The LN Roulette Team
Hey, this is cool. I have made a career out of working in the gambling space (they call it "gaming") for the last two decades.
It's simple to log in, connect and transfer. So you've checked all the essential items.
The provably fair mechanic is well illustrated. And the idea that the randomness and spread are preset is super sound and in line with casino RNG to support a wide variety of wagering and gambling play.
What are your plans to create more games?
Typical crypto-style games like Crash, which are inherently easy to make but volatile in the early days with low liquidity.
You are generating the number 16 more often than other numbers and insiders use it to squeeze money out of others!!?!
Can you prove that you are not?
If you are making the claim that the roulette is provably fair, then this should be easy.
https://www.geeksforgeeks.org/node-js-crypto-randomint-method/
How do you make money?
You are playing agains us, we are the bank
So if it's fair, you don't make any money in the long run?
we did some visual improvements
I find some good roullete game , now i get it⭐️
I enjoy the game it is amazing.
This is awesome! Love what you’re building; Lightning integration, Nostr login, and provably fair mechanics all wrapped into one fast-paced game? That’s the kind of innovation Bitcoiners appreciate. Excited to see where this goes! Keep up the great work! ⚡🎰
Can you elaborate on "provably fair"? How can I verify?
Absolutely! Here’s how we do it:
Before each spin, we generate a random number (0..36) and a salt, then publish the SHA-256 hash of num:salt
After the spin, we reveal the salt, so you can re-hash the exact same num:salt combination.
If the hash matches what we published before the spin, you know the result couldn’t have been altered.
Is the random number generated and hash published before any placed bets? Otherwise, you can still pick the number that is not in favor of most participants.
Great! Thank you, now i can finally move one of my side project ideas of the list.
How are you now? Do you feel relieved? You must be happy, right?
Maybe you can share it with me, heheheh... I'm just kidding.
Honestly, I find it highly suspect that you only print the first 7 characters of the hash. I wrote a script that finds collisions within 8 seconds on a normal desktop. Given a minute between spins, this gives you plenty of opportunity to pick a number that favors the house. To immediately address this, and if you are concerned about the full hash taking up too much "real estate", use a tooltip so that when we hover, we see the full hash. Then, and only then, will this be "provably fair". Because right now, this is "provably fair theatre".
Thank you for pointing that out!
You’re absolutely right—we should be displaying the full hash to ensure true provable fairness. Showing only the first 7 characters was an oversight on our part. We will implement a tooltip feature that allows users to view the entire hash when hovering over it.
We appreciate your feedback
I @DiedOnTitan after realising the LN @roulette game post has already got 200k boost and 207 comment. That's quite a massive one.
You typo'ed your Nostr URL.
What is your nostr npub (or URL)?
https://primal.net/roulette
Followed (from npub1glencxg7ch9q8jp08ew3guuyuq5txynyp89t4uqkf8splxmfk63se7fu5r).
I tried your site.
I deposited 21 sats.
I played.
I won.
Balance is now showing as 24 sats.
I tried clicking the [WITHDRAW] button.
It gave a LNURL QR code.
I tried scanning the QR code using 2 different wallets; Alby, Zeus. I also tried using Strike. None worked. Maybe I'm doing it wrong(?).
I set a username on the Profile. My lightning address on there is now satoshi@lnroulette.space
Why does it take so long for the payment to be made?
Was wondering the same
~lightning next time?
ok
Cool. Is this just a new iteration of lightning roulette built specifically for Nostr or a different project?
It’s a fresh project built from the ground up—definitely not just a re-skin. One unique twist is that everyone plays on the same table, and it spins every minute so there’s constant, communal action. We also integrated Nostr for easy sign-in and social features, but it’s still very much its own thing.
Sounds good. I will give it a shot.
Make every round faster, it is too slow!
yes, now is 1 min, maybe 45 sec or 30 sec will be better
can i login with SN or Primal? i’m not sure how
No! If you have a Nostr extension that supports web-based login (like a NIP-07-compatible wallet), you can use it to sign in wherever you’re browsing. That means if you can log in to Stacker News or Primal in your browser, you should be able to log in to LN Roulette too—just follow the same steps to authorize your Nostr key. If you get stuck, let us know!
cool, once i got home i did it with Alby on Chrome.
fun game. i think stuff like this is really awesome! i was just talking about gaming/adult as being the first usecases that will prob bring bitcoin to major payment scale on our livestream yesterday. wish i knew about this project yesterday! what’s the plan, more games/non-custodial/etc. or was this just a fun hack?
Why did you choose to go the custodial route? Wouldn't it be possible to pay per game and players only pay an invoice.
Also with NWC people could keep their funds while allowing your app to access them up to a given budget they set.
That’s a great idea and definitely something we’re interested in exploring down the road. Right now, we went custodial mainly because it simplifies the user experience—especially for smaller amounts where the risk is relatively low. Implementing a fully non-custodial “pay-per-game” model (or something like NWC) introduces a lot of extra complexity and overhead for each spin. It’s not off the table for the future, but for now, we wanted to keep everything smooth, fast, and easy.
Thanks for the suggestion!
Maybe integrate this for a 'high stakes' table option for users who reeeeeeeeeeally want to get rekt lol
I guess this is your competition. I don't know how the odds compare. There is no log in.
https://lightning-roulette.com/
A few years ago I lost 400k sats on this one and immediately joined gamblers anonymous. I'm out.
I can't argue with you. My gambling days are over too, except for those pools @grayruby, @Undisciplined and the stacker sports crew suck me into.
Thanks for sharing the link! It’s great to see more Lightning-based roulette games in the space—competition ultimately benefits everyone. Their approach with no login might be simpler at first glance, but we wanted to offer features like Nostr or LNURL-AUTH logins, in-depth transparency, and a communal table that spins every minute. As for odds, we aim to keep everything fair and verifiable; we welcome anyone to compare. If you spot areas where we can improve, we’d love to hear your suggestions!
I'm no expert! I have used that site a little. Good luck to you.
I take it, I need to deposit funds to play? I tried sending 50 sats and got no route error from Ln
Desperate to have a spin 😢 😭
We use Phoenixd as our backend, connected to ACINQ—one of the largest and most well-connected Lightning nodes out there—so there should typically be plenty of liquidity. It’s possible the no-route error is wallet-related or due to a small channel on your end. You might try a different wallet or funding route, and if the issue persists, feel free to let us know so we can investigate further!
Tell me its my fault without telling me its my fault
Sorry 😆😆
I'll use some more wallet options
I have played it and can say it was great and provably fair. I lost and won but overall won a few sats. Thanks for your good work!
I had some luck too and quit while I was ahead.
Sounds cool but too much work when I can't connect my Alby Wallet...so tired of having to download or create something new for everything these days. Cool though
You actually can use the Alby extension to log in—just choose either LNURL-auth or Nostr once you have Alby set up. That way, there’s no need to download yet another wallet or extension. If you run into any issues, let us know!
I was trying through Alby GO, which was a no go but went to and got it connected through my hub, thank you kindly
Great! You should put a link to help visitors know how to get Lighting wallet and bitcoin:
#186567
You cant retract bets. its very easy to miss click. Please fix this.
Enjoyed having a little go of this today. Couple of bits of feedback:
Great little game - thanks for your effort and for sharing
Guys, be careful, they are no longer willing to pay, I have my balance stuck and this message appeared
Withdrawal limit exceeded
Hi there,
Sorry for the inconvenience you're experiencing. Currently, the withdrawal system allows up to 10 withdrawals within an 8-hour period. Your sats are still in your balance, so to avoid hitting the limit, please try withdrawing a larger amount in a single transaction instead of making multiple small withdrawals (e.g., withdraw 100 sats at once rather than 10 sats ten times).
If you continue to encounter issues, please reach out to our support team so we can help resolve this for you.
Thanks for your patience!
— The LN Roulette Team
Please note that these withdrawal limits are per individual user, not a global limit affecting all users.
Cool. Idk if I'm being thick but you should make it possible to gamble with 'paper' sats if you're logged out / just landing on the page so people can get the feedback loop of how it works without having to login (place a bet, wait, "see all these sats you would have won?")
Thanks for your suggestion!
However, LN Roulette is designed specifically for our Bitcoin community to engage with real sats and experience the benefits of the Lightning Network firsthand. We focus on providing a genuine Bitcoin experience rather than catering to general gamblers. Using actual sats ensures transparency and fairness in our provably fair system. While offering a "paper" sats mode could be interesting, our primary goal is to maintain the integrity and security of the game for our Bitcoin users. We appreciate your feedback and are always open to ideas on how to better serve our community!
— The LN Roulette Team
Please add a 10 sat option.
Also, how do I clear my bet if I change my mind. Accidentally clicked bet 50 twice and only wanted once.
Thanks for the feedback! Right now, there’s no way to remove a bet once it’s placed. We know this can be frustrating, and adding a “clear bet” option is definitely on our to-do list. Appreciate your patience as we work on improving the experience!
This reminded me of those guys in Vegas who pull down the levers on slot machines while automatically adding $20K to their bank accounts. Before I tried this game, it looked alien to me. And now, after the ease with which I could deposit and win/lose sats, I can relate to them frightfully.
is this wheel racist?!
lol. No but definitely rektcist
Rotf
This post keeps getting daily boost, what's actually going on with the roulette game?
Is there any way for you to prove that the winning number is not predetermined and that you’re using a legit RNG?
I get that you publish the hash + salt before hand and we can verify that the winning number isn’t modified between when the bets are placed and when the ball finally hits a number.
…but how do we know that you’re not collecting data based on how people are betting and then picking the numbers that receive the least amount of bets?
What you highlight is sort of mitigated by the scheme, but the bigger issue with this is #872555 . The roulette could be easily very unfair and the current hashing scheme doesn't prove otherwise.
The key to proving fairness in RNG-based games lies in implementing a "commit-reveal" scheme that makes it mathematically impossible to manipulate the outcome after seeing the bets. Here's how it typically works:
Pre-commitment: Before any bets are placed:
Generate a random seed/number
Create a cryptographic hash of this number (plus optional salt)
Publish this hash publicly
Betting Period: Players place their bets while only knowing the hash
Reveal: After betting closes:
The original seed/number is revealed
Anyone can verify that:
a) The hash matches the revealed number (proving it wasn't changed)
b) The number is used in a deterministic way to generate the outcome
The critical point is that once the hash is published, it's cryptographically impossible to find a different number that would produce the same hash.
This means:
We can't change the number after seeing the bets
We can't "work backwards" from desired outcomes to find a matching number
The number must have been chosen before any bets were placed
To further enhance transparency:
Use a verifiable source of randomness for the initial seed (like blockchain block hashes)
Make the entire process open source
Provide tools for users to verify each step independently
This system mathematically proves that:
The outcome was determined before betting started
It couldn't be modified based on betting patterns
The operator cannot manipulate the result
The beauty of cryptographic proofs is that you don't have to trust the operator - you can verify everything yourself!
I think this initiative is excellent, although I have never played roulette, how can I win?
It seems that the profit market is in the wheel.
All well and good but I'd love to see some Texas Holdem Poker. There used to be a great site that did that but it was shut down.
There is one
https://lightning-poker.com/
If you like provably fair games, you should checkout NostrDice :)
SatoshiDice on steroids - built on Nostr and Lightning.
view on nostrudel.ninjaIt's nice to see the development of use cases for Bitcoin Lightning⚡
sweet
I absolutely love this.
I think I have an idea for roulette! You can get live roulette from a bookmaker and place
In the end, the house always wins.
If you really wanna play, play once. Like a 1/2 or 1/3 option. No matter what, you leave the table after this one bet. Either you'll have nothing (same as what would have happened if you kept playing), or you have doubled/tripled your starting capital, and you effectively beat the house.
That's what I did today with slightly less than 100k sats on red. I won. I left the table. I'm happy.
Cool 😎 I will definitely play this one.
wow, excellent project, very minimalist and if it is based on LN, it is one of the best proposals in the BTC market at the moment because LN is a very fast and effective network of payments in sats, good luck. really yes. thank you for sharing ...
could you add to give me a little more visual trend adapted to the casinos and the Vegas royal suite without loading so much the interface, maybe the color palette. and if the app was programmed with responsive to run on mobile?
thanks
Chipset is missing 10sat. 1 and 50 is far away. Delete the 5k instead?
Maybe all chips the same colour to see other players chips?
Log out button only works when i close the tab and open the website again.
But i like your ideas. Seeing the profit and loss to every number is cool.
Cool.
Who is the house?
I see it’s a European wheel but I don’t see rules posted anywhere. Are there minimum and maximum bets?
We’re effectively the “house” for LN Roulette, providing the bank for all payouts. It’s a standard European wheel (numbers 0–36). As for bet limits, the current table maximum is 150k sats, and there’s no hard minimum—just bet as little or as much as you’d like under that limit. We’ll add a dedicated rules section soon to make all of this clearer!
You put just a homepage link for Nostr. But are you reachable via email for marketing arrangements.
just send us a DM on nostr
very cool, works well just had some fun playing it 🙂
Wow I used to play with this a long time ago! On a different site.
Glad to see competitors
Great idea, looks fun :)
I love roulette, I swear i thought I could beat bet365 🤣🤣🤣 rekt everytime
Martingale was my friend
But I'll definitely have a spin!!
Thank you for giving me the chance to have a flutter
As someone who loves roulette this is awesome! Unfortunately I am getting a "Unable to Send - 'sig' not provided error.
Also my login with Nostr is grayed out.
Thanks for the support and feedback!
Could you let us know which wallet you're using? The "Unable to Send - 'sig' not provided" error usually happens when the wallet is communication with the backend
Regarding the grayed-out Nostr login button, it means your browser isn't detecting a Nostr-compatible extension. To enable Nostr login, please make sure you have a Nostr browser extension installed and connected, such as Alby or another. Once the extension is set up, the login button should become active.