Bitcoin Forum

Hello all!

About a month ago we introduced a new game in the the Bitcoin gambling community, and we're happy to announce that it's almost ready for prime time.  

We invite everyone to come on over to http://coinsp.in, register an account, and start playing.  All new registrations during this promotional period start out with BTC0.0001 to try out the game.  Additionally, whoever logs the most bets between now and 12 August at midnight Eastern time will win BTC1.

Deposits and withdraws are working as well, so this is all for real BTC.

Good luck!
The coinsp.in team

Edit 4 August 2013 @ 20:10 Eastern:

Unfortunately some folks are trying to take advantage of our free BTC offer by continuously creating multiple accounts.  From this point forward, the offer is only valid once per IP.

In response to some questions we've received:

What are the odds and house edge?


We are aware the the site claims payouts of 1.98x, 30x, and 500x, but we've chosen to use simple numbers for aesthetic reasons. 

How does the jackpot work?
1.5% of every losing bet is paid in to the progressive jackpot.  It is won by flipping 5 heads or tails in a row.  The wager amount is taken in to account when determining the payout, such that a wager equal to the game's maximum bet will win 100% of the jackpot, and a wager equal to 1% of the game's maximum bet will win 1% of the jackpot.  The jackpot will be reset to BTC1 if it ever drops below that level.

The maximum bet is pretty low.
The Bitcoin gaming community demands a much lower house edge than traditional gaming establishments, so operators and investors are exposed to significantly more risk.  To keep ourselves from going bankrupt, we've decided to keep our maximum win equal to 1% of our current holdings.  As we receive more investments and the site profits, we'll be able to offer higher wagers.  Investment opportunities will be available built in to the site starting a few days before our Grand Opening event, scheduled for early-mid September.  Of course any potential investors are more than welcome to contact us at info@coinsp.in.

We hope to see everyone enjoy our new game!

Good luck,
The coinsp.in team

Thanks!

I can't withdraw :( clicking on the button does nothing.

We'll get on it asap, sorry!

Edit: Okay, it should be fixed now.

I had a jackpot 'roll' but I cashed out the round to early. :(

Did this just prevent me from getting the jackpot? :(

https://i.imgur.com/LyH5RAj.png

Also happened to me. http://gyazo.com/4f0c88c2fdc7caac850598532f6860d2

Smells fishy...

How convenient. It doesn't show up in the bet list for provably fair afterwards.

EDIT: So right now I can't withdraw, I never recieved the 0.0001 bonus in my account, and possible jackpot roll is not provably fair.

Can either of you post the bet id's of those bets or around them?

The one I made right before it was 3512, and there was nobody else betting around that time.

EDIT: So close http://gyazo.com/0d25fd28d41aaf46548ab7876fe5e458

I haven't refreshed yet, but this is the info on the bottom

https://i.imgur.com/wKwPiTZ.png

[edit: yeah, after refresh it was all lost too, no betID found either]

This is the entry from our database:


This indicates that you did indeed win the jackpot.  Your balance has been increased to reflect the win you should have received.  I'm sorry that happened and I'll be sure to have our developer figure out why it did.

From our database:


There certainly seems to be a problem with the jackpots.  Your account will be credited with the appropriate amount for this win, and we apologize for the inconvenience.

I appreciate your help. Does this mean I won 1.someodd BTC? My balance hasn't changed if that's the case.

https://i.imgur.com/exu9pZt.png

and it did it again. the bet before it was 4050.

http://gyazo.com/2db8dceca0c7d0651dc543af9777de7f

Happened for me too again. Sorry you're having all these troubles on launch.

Yeah, its unfortunate. Sorry about the issues.


[Edit: I received some credit back to my account, which put me at an even 0.0002- I am uncertain how the jackpot works totally and how I ended up with such an even number. haha.]

[double edit: I think I understand the jackpot now :)]

Not quite, the jackpot pays out pays out based on the percentage of the maximum bet, as discussed here:


0.00000001 is 0.0001% of the maximum bet, so you won 0.0001% of the jackpot which came out to be about BTC0.0001.  I set your balance to an even BTC0.009 which was a little above that payout.

Oh well, I guess I can still win the most bets. I'm in the lead! Lol

Withdrew successfully. Site still kinda buggy though. :P

How are you gonna win if you withdrew?

I didn't withdraw everything :3

Hi all, I just received a phone call from our developer claiming that the jackpot issue should be fixed.  Hopefully it's all working well now, and we appreciate your patience.

Smart. :P

http://gyazo.com/075ae74b003b65af9833f04edbd3b40b
Then clicked bet again, and...
http://gyazo.com/0adc508ceee9316e5e7f7a59ffd5cfe8

EDIT: Refreshed, apparently, winning the jackpot drains your balance. Like, completely.

I can't register :/ Submit button is not working. Maybe lagging.

The isn't loading for me anymore. :/

[EDIT: all good now, and working better!]

Your balance is corrected, and hopefully (again, fingers crossed) the jackpot thing is fixed this time.

As for the recent slowness, someone was running a web vulnerability scanner on the site.  It seems like he's done now.

Just won 500x my bet.
Sweet

Won 500x with promotional free-roll, won 30x three times with the winnings, just withdrew .7 BTC without depositing once.

Good site.
I'm gonna go play the powerball.

Site go down?

Congratulations!  We hope to see you playing again soon :)

Additionally, the site is down for a few moments.  Sorry for the rough start!

There are a number of unverified users, meaning people who've signed up but have not verified their email address.  I've been told that gmail is sending our emails to the spam folder, so please be sure to check there for your activation email.

Good luck,
The coinsp.in team

Are you going to do a current leader-board for the competition? :P

The current leader board already has the number of bets. And mfw I get jackpot for the third time on 1 satoshi.

http://gyazo.com/041ebfc55af3404bef4aa35b38bf4e6f

:D :D :D

The leaderboard is currently sorted by bets. 

http://gyazo.com/4925bd77df50d5f87bf0a2d82385e29e

4th jackpot so far! Pretty sure they're not paying out but whatever, only 1 satoshi bets anyways. A fix would be nice.

EDIT: 5 jackpots and i'm definitely not receiving anything from them.

yeah, I've gotten like 3 and only received the one that got credited to me lol


EDIT: and another https://i.imgur.com/NgAbnml.png

EDIT2:andd another one. Still no credits.

EDIT3: yet another. :(

It looks like they are paying out, see:


The calculation is as such:
(bet / maxBet) * jackpot = winnings
So (1/1000000) * 100000000 = 100, which is what's listed under the return0 column.  Now whether it actually is adjusting your balance or not, I'm not sure.  Try to pay extra attention the next time it happens, a 100 satoshi change may be hard to see.  I'll have our developer look in to it right away.

Edit: He's confirmed that it is indeed paying out.  If there's some special circumstance that I could have him test, please let me know, but for now it seems like it is working as intended, except for the graphical glitch on the last pair.

Oh, alright I understand now, I was confused when you said,
"0.00000001 is 0.0001% of the maximum bet, so you won 0.0001% of the jackpot which came out to be about BTC0.0001.  I set your balance to an even BTC0.009 which was a little above that payout."

The balance on that account was something like 0.008998 or something like that, 0.009 was just easier and close enough.  Sorry I confused you!

Oh its all good! haha.

Unfortunately some people are trying to take advantage of our free BTC offer.  A new rule establishing that the offer is only valid once per IP has been established.  Additionally, some withdrawals may require manual intervention to proceed.  Please see the first post in this thread for clarification.

Good luck!
The coinsp.in team

10,000 bets! I'm in the lead ;)

I gave up because of you. lol. I don't understand how you made so many bets so fast. :P

I have fingers like a ninja :D Plus getting the 500x is fun lol

http://gyazo.com/8460b09957a2b3de8429086ddd4f0bd8.png

Did you deposit or work your way up to that? If you worked your way up, not only do you have ninja fingers, you have ninja eyes too. haha

I deposited lol.

Sooooo.....scam?