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Author Topic: bitZino - Bitcoin Casino - Blackjack, Roulette, 3 Card Poker, Slots and more!  (Read 75490 times)
titeuf_87
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August 07, 2012, 04:52:21 PM
 #141

Great to hear the site's doing great! I've been having fun with those 0.25 BTC Smiley

I do have a small suggestion: could you add a way to see how much you've won/lost per game and total you've deposited and withdrawn? It was easy to add them up myself before when I only had a few deposits, but now it starts taking some work...

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fatigue
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August 07, 2012, 06:43:25 PM
 #142

Great to hear the site's doing great! I've been having fun with those 0.25 BTC Smiley

I do have a small suggestion: could you add a way to see how much you've won/lost per game and total you've deposited and withdrawn? It was easy to add them up myself before when I only had a few deposits, but now it starts taking some work...

If you walked away from a casino with the amount you've lost blazing on a neon sign in front of you, they might not see too much more of your business.
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August 07, 2012, 06:59:59 PM
 #143

Great to hear the site's doing great! I've been having fun with those 0.25 BTC Smiley

I do have a small suggestion: could you add a way to see how much you've won/lost per game and total you've deposited and withdrawn? It was easy to add them up myself before when I only had a few deposits, but now it starts taking some work...

If you walked away from a casino with the amount you've lost blazing on a neon sign in front of you, they might not see too much more of your business.

I was thinking along the same lines.  Since the majority of customers are going to be net losers it might not be good for business to show them how much exactly they've lost.  Gamblers often like to believe that they "broke about even".  Presenting the true situation to them makes that harder to believe.

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August 07, 2012, 07:06:02 PM
 #144

Great to hear the site's doing great! I've been having fun with those 0.25 BTC Smiley

I do have a small suggestion: could you add a way to see how much you've won/lost per game and total you've deposited and withdrawn? It was easy to add them up myself before when I only had a few deposits, but now it starts taking some work...

If you walked away from a casino with the amount you've lost blazing on a neon sign in front of you, they might not see too much more of your business.

I was thinking along the same lines.  Since the majority of customers are going to be net losers it might not be good for business to show them how much exactly they've lost.  Gamblers often like to believe that they "broke about even".  Presenting the true situation to them makes that harder to believe.
I can say that I would not auto-sum if I was bitZino.  Those who want it will add, those that don't (like dooglus pointed out above) will go on believing they broke even.

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libertaad
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August 07, 2012, 09:15:15 PM
 #145

Thanks for the suggestions everyone! I think we're going to continue to strike a middle ground here: some people like certain things to be left unsaid, so we are going to avoid automatically summing up your deposits and withdrawals. However,  we will always provide you with full access to your withdrawal and deposit history, so importing this data into a spreadsheet should be a fairly simple operation.

titeuf_87
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August 08, 2012, 10:04:26 AM
 #146

Fair enough! Thanks for the replies.

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August 08, 2012, 11:23:14 PM
 #147

Found your site recently, and I am hooked!
Its clean, easy to use, fast, and well uses BTC!

Keep up the good work!
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August 09, 2012, 10:05:33 PM
 #148

Found your site recently, and I am hooked!
Its clean, easy to use, fast, and well uses BTC!

Keep up the good work!

Thanks, I'm glad you like it! Cheesy

We are in active development, and constantly working to make the site better. If you have any feedback for us, let me know!

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August 21, 2012, 01:44:41 AM
 #149

I've been playing on bitZino for a while now.  I've had to contact customer support a few times in the past for password rests and have nothing but great things to report.  Bravo on an awesome and well developed product.  My only complaint is I SUCK at BlackJack Cheesy.  I still play from time to time tho.

My request for the developers.  Craps!  I would be so down for investing in on such a product for development.  Just let me know where to contribute.

-kaji

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libertaad
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August 21, 2012, 09:37:07 AM
 #150

I've been playing on bitZino for a while now.  I've had to contact customer support a few times in the past for password rests and have nothing but great things to report.  Bravo on an awesome and well developed product.  My only complaint is I SUCK at BlackJack Cheesy.  I still play from time to time tho.

My request for the developers.  Craps!  I would be so down for investing in on such a product for development.  Just let me know where to contribute.

-kaji

Thanks Kaji!

Stay on the lookout for Roulette and Craps - those will likely be the next 2 games we launch.

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August 24, 2012, 06:59:40 AM
 #151

really cool site.  Just fired off .13 bitcoins.  extremely simple, clean interface + love that it's 30 second anon account / pure bitcoin play.

glglgl

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August 24, 2012, 08:55:48 AM
 #152

Tried this out on my iPhone today with play money. Really cool.

Great site and impressive response to customer feedback. Well done!

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August 24, 2012, 05:35:26 PM
 #153

really cool site.  Just fired off .13 bitcoins.  extremely simple, clean interface + love that it's 30 second anon account / pure bitcoin play.

glglgl

Tried this out on my iPhone today with play money. Really cool.

Great site and impressive response to customer feedback. Well done!

Thanks you guys, I'm glad you're enjoying it!

We'll be launching roulette at the beginning of next week, which I'm really excited about! We're also getting close to launching craps.

Also, we've made some substantial changes on the backend which significantly improve our system's reliability and loss-prevention. All of our data is backed-up in realtime and stored in geographically diverse locations. So now, even if our primary data center completely falls off the map, we'll be able to failover with no data loss and minimal downtime.

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August 24, 2012, 05:57:20 PM
 #154

we'll be prioritizing importing private keys after this. From a cursory glance, I think it really shouldn't be that hard, and empowering bitcoin notes would be a huge benefit!

Any chance that is coming anytime soon?

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August 24, 2012, 08:40:09 PM
 #155

we'll be prioritizing importing private keys after this. From a cursory glance, I think it really shouldn't be that hard, and empowering bitcoin notes would be a huge benefit!

Any chance that is coming anytime soon?

Thanks for keeping us on track Cheesy We haven't forgotten about it, we just ran into some technical problems, which have slowed us down.

I thought this would be simple to implement by using the importprivkey API call, but it turns out that method is really slow to run, and basically locks up bitcoind during the time that it's running. It seems like the only solution may be to run multiple copies of bitcoind, or use some sort of modified client - both of which don't seem ideal. Do you have any technical advice on a good way to implement this? It seems like a lot of other services do this, so there must be a good way!

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August 25, 2012, 12:55:57 AM
 #156

Do you have any technical advice on a good way to implement this?

Well, you don't need to import the key into the wallet.  You are simply doing a one-time redeem to spend any funds on that coin.  And because the key is compromised (as it comes from an external source), I certainly would never mix it in with a wallet holding other funds.

I just assume you create a spend transaction with the output address being one that is tied to that user's account.  The Bitcoin.org client v0.7 has raw transaction support.  You could also build a transaction and use Blockchain.info's pushtx I believe.

 - https://people.xiph.org/~greg/signdemo.txt

Or use genjix's Subvertx:
 - http://bitcointalk.org/index.php?topic=50721.msg604667#msg604667

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August 25, 2012, 05:32:49 AM
 #157

I certainly would never mix it in with a wallet holding other funds.

I agree - this was what got me originally thinking about just running a second bitcoind for the purpose of importing the private keys. We could just throw away the wallet from the 2nd bitcoind periodically, or immediately after the funds are sent to the primary bitcoind wallet.

I just assume you create a spend transaction with the output address being one that is tied to that user's account.

The problem is that with the standard bitcoind, it seems that you can't even figure out the balance of a private key without either importing it first, or importing the blockchain into a separate external data structure. So, since you don't know the balance, you can't really create a valid transaction


Thanks for the link! That does seem like a cool set of tools. However, the requirement to import the entire blockchain into a separate database is starting to border on overkill.

To be honest, none of these solutions is ideal. They all pose very real costs: both in terms of server resources and engineering effort. They also pose a potential security risk: I'd much rather be relying solely on bitcoind, since it is simply the most well-tested client out there.

I really do want to support importing private keys - I think the ability to for people to use bitcoins in a similar way to how they currently use paper cash is a worthy goal that will certainly help bitcoin's adoption. Ideally, I'd like there to be a sendprivatekey API call in bitcoind, which would really trivialize the whole operation.

I haven't given up hope though! I'll keep exploring all the potential options.

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August 25, 2012, 06:50:43 PM
 #158

What about using blockchain.info's API to get the balance of the key?

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August 25, 2012, 10:38:06 PM
 #159

The problem is that with the standard bitcoind, it seems that you can't even figure out the balance of a private key without either importing it first, or importing the blockchain into a separate external data structure. So, since you don't know the balance, you can't really create a valid transaction

Armory, which uses the blockchain from bitcoind appears to provide this:

Code:
unspentTxOuts = walletObj.getAddrTxOutList(addr160, 'Spendable')

 - https://github.com/etotheipi/BitcoinArmory/blob/master/createTxFromAddrList.py

Which can be called using a script from:

 - https://github.com/etotheipi/BitcoinArmory/blob/master/extras/sample_armory_code.py

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August 26, 2012, 08:09:32 AM
 #160

What about using blockchain.info's API to get the balance of the key?

I would prefer not to rely on a third-party if possible. This may end up being one of the most practical solutions though, given the current feature-set of bitcoind.

Armory, which uses the blockchain from bitcoind appears to provide this:

Armory does seem quite promising, but I think they still require the entire blockchain to be stored in ram (which makes sense, how else would they be able to quickly get the balance of any address). I also am wary of the security implications of Armory. It definitely doesn't have as many eyes on it as bitcoind itself has, and just because it uses bitcoind for the underlying networking doesn't mean it is fully secure.

Thanks for the advice everyone! I definitely didn't think this feature would have so many pros and cons involved in the decisions we'd have to make! Right now, I think running 2 copies of bitcoind is sounding like the best solution, but I'm not 100% sold yet.

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