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Author Topic: Just-Dice.com : now with added CLAMs : Play or Invest  (Read 450946 times)
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June 22, 2013, 02:46:52 AM
 #201

You stole the millionth bet and the first million-to-one win, but I will be the first to win the "technically hardest" bet!

If you don't have it by tomorrow morning I will beat you to it Cheesy

BEEP BEP
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June 22, 2013, 03:52:39 AM
 #202

Why is rolling exactly 99.9999 harder than rolling exactly 0.0000?

I had forgotten about it, but since we need a 6 digit number between 000000 and 999999 for the roll, I take the 128 character hmac-sha512 hash and break in into groups of 5 hex digits.  Each group represents a number between 0 and slightly over 1 million.  If the number is less than a million, I use it, else I look at the next group of 5.  There's pretty much 0 chance (1 in 1e34 or so?) of getting through all 25 groups, but if I do, I use the remaining 3 hex digits, which is a very low number.  So rolling low is ever so slightly easier than rolling high, but only in theory.  In practice it's exactly the same.

In case you prefer code to English:  https://just-dice.com/lucky.txt

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June 22, 2013, 03:59:16 AM
 #203

I took the afternoon off today, after spending most of the last 48h obsessing over the site.

When I got back the site had suffered a 12 BTC loss.

Apparently some guy calling himself "mp" had some luck:



and quit while he was ahead.

Well played Sir!

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June 22, 2013, 04:03:25 AM
 #204

That's MP of MPOE and MPEx

I recommend asking me for a signature from my GPG key before doing a trade. I will NEVER deny such a request.
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June 22, 2013, 04:29:19 AM
 #205

Do you have a refferal program?

I might have some serious investor. (including myself  Wink)
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June 22, 2013, 04:36:27 AM
 #206

Why is rolling exactly 99.9999 harder than rolling exactly 0.0000?

I had forgotten about it, but since we need a 6 digit number between 000000 and 999999 for the roll, I take the 128 character hmac-sha512 hash and break in into groups of 5 hex digits.  Each group represents a number between 0 and slightly over 1 million.  If the number is less than a million, I use it, else I look at the next group of 5.  There's pretty much 0 chance (1 in 1e34 or so?) of getting through all 25 groups, but if I do, I use the remaining 3 hex digits, which is a very low number.  So rolling low is ever so slightly easier than rolling high, but only in theory.  In practice it's exactly the same.

In case you prefer code to English:  https://just-dice.com/lucky.txt

Not just theoretical - this has real world inferences! If you make 1000 bets per second on 99.9999, then on average once every 3.170979e+23 years you could be a little less lucky. I think it's important your longer lived customers know about this problem.


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June 22, 2013, 05:49:02 AM
 #207

Do you have a refferal program?

I might have some serious investor. (including myself  Wink)

I don't, yet.  I've thought about it but couldn't really work out:

a) how to finance it to make it worthwhile or
b) how to police it such that people don't 'refer themselves'

The house edge is only 1%, and 99% of that 1% goes to the investors already.  So the site gets 1% of 1% of turnover to pay for promotion.  I don't know that offering you some percentage of 1% of 1% of turnover is going to excite you much is it!

I think investing is its own reward - you get to keep 99% of any profits you make from it.  And once invested, it's in your interest to refer people, since you then directly benefit from their play.

I'm going to have to see what the 1% of investor profits looks like in reality before I commit to spending it, but watch this space...

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June 22, 2013, 05:50:46 AM
 #208

Not just theoretical - this has real world inferences! If you make 1000 bets per second on 99.9999, then on average once every 3.170979e+23 years you could be a little less lucky. I think it's important your longer lived customers know about this problem.

Thanks for doing the math.  I knew it was a tiny difference but didn't work out just how tiny.  10^23 years you say?  That is quite a long time.

Just-Dice                 ██             
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June 22, 2013, 08:45:30 AM
 #209



Don't try this at home.

Actually, don't try this at work either.

If I had only rolled hi instead of lo ...

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June 22, 2013, 08:49:34 AM
 #210

I've suspended the promotion for the time being due to an influx of low-count newbie spam bots.  I'll come up with an alternative scheme.  Suggestions welcome.  Smiley

You could give some BTC to every person who deposit 0.001 or something in this area!
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June 22, 2013, 09:44:15 AM
 #211

USER ID 367

 Grin

Cool site has active in game chat.

Where do I get free bitcoins?
www.bitcoinforest.com - Bitcoin faucet and survey site. Get .001 bitcoins for each survey, and .00001 for each captcha.
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June 22, 2013, 09:46:17 AM
 #212

ID is 1163. Really like your site. Cya there in a second. Grin
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June 22, 2013, 09:53:34 AM
 #213

715 here, anyways the bank seems still quite lucky today (3.9k wagered, house is 89 up instead of 39)

https://www.coinlend.org <-- automated lending at various exchanges.
https://www.bitfinex.com <-- Trade BTC for other currencies and vice versa.
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June 22, 2013, 10:10:21 AM
 #214

I've suspended the promotion for the time being due to an influx of low-count newbie spam bots.  I'll come up with an alternative scheme.  Suggestions welcome.  Smiley

You could give some BTC to every person who deposit 0.001 or something in this area!

Like an early bird bonus. For being in the first group of people as soon as it launched. (Like me.) And also a volume bonus. For buying 1 BTC worth, get an extra ticket. (wait, I think I'm talking about another game.)

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June 22, 2013, 01:48:14 PM
 #215

Absolutely love the site.  The interface seemed intimidating/confusing at first, but it grew on me very fast once I started tinkering.

The investment tab is lovely, and at first glance I didn't think it would scale well--then I realized as the bankroll grows, the incentive for whales to bet increases.  Still, it will be interesting to see what happens if it gets absurdly large.

I wish my shares in satoshi dice were worth selling, because I'd feel a whole lot better with those coins in your bankroll.
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June 22, 2013, 03:12:50 PM
Last edit: June 22, 2013, 03:29:26 PM by trout
 #216

Here's how to make people who invested earlier gain more:

Imaging a user bid 1 BTC on 50/50. This means, out of the pool of JD, 1 BTC is wagered against him (well, actually 0.99 BTC but for simplicity I put 1).

The question is: whose BTC is being wagered against the user? Right now, it is taken from all the investements in equal proportion. What can be done instead, is that it is taken from all investments *weighted* by the time they invested they made the investment. For example, 1/5 BTC from the first month's investments, 1/4 form the second etc. In fact, better use slower decreasing weights to make the investement attractive for new users as well. For example,  [1/k(k+1) - 1/N(N+1)] weight for the BTC number k, with N being total number BTC invested.
Obviously, the wins/losses then are devided in this proportions.
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June 22, 2013, 03:50:21 PM
 #217

I took the afternoon off today, after spending most of the last 48h obsessing over the site.

When I got back the site had suffered a 12 BTC loss.

Apparently some guy calling himself "mp" had some luck:



and quit while he was ahead.

Well played Sir!

Lol MP makes the news.

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June 22, 2013, 04:32:30 PM
 #218

Here's how to make people who invested earlier gain more:

Imaging a user bid 1 BTC on 50/50. This means, out of the pool of JD, 1 BTC is wagered against him (well, actually 0.99 BTC but for simplicity I put 1).

The question is: whose BTC is being wagered against the user? Right now, it is taken from all the investements in equal proportion. What can be done instead, is that it is taken from all investments *weighted* by the time they invested they made the investment. For example, 1/5 BTC from the first month's investments, 1/4 form the second etc. In fact, better use slower decreasing weights to make the investement attractive for new users as well. For example,  [1/k(k+1) - 1/N(N+1)] weight for the BTC number k, with N being total number BTC invested.
Obviously, the wins/losses then are devided in this proportions.


one issue with this is that a common pattern could be:

divest all
gamble
invest all


perhaps there could be two "investment" options... a sort of short term holding, and then a long-term holding that you cannot move as quickly (without penalty?), where these sorts of bonuses to maturity would apply?

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June 22, 2013, 04:45:11 PM
 #219

69 2013-06-21 08:04:32 (1) manually crediting user 525 with amount 0.01 Kais
70 2013-06-21 08:41:47 (1) manually crediting user 673 with amount 0.01         <Abu22>
71 2013-06-21 18:35:57 (1) manually crediting user 829 with amount 0.01         <buzz>
72 2013-06-21 18:49:57 (1) manually crediting user 733 with amount 0.01 Feedeer
73 2013-06-21 22:16:23 (1) manually crediting user 313 with amount 0.01 wazaaster
74 2013-06-22 05:18:11 (1) manually crediting user 571 with amount 0.01         <Hodor>
75 2013-06-22 09:47:21 (1) manually crediting user 367 with amount 0.01 likl3sfuhjh
76 2013-06-22 09:49:27 (1) manually crediting user 1163 with amount 0.01 Jet
77 2013-06-22 16:40:54 (1) manually crediting user 715 with amount 0.01 Sukrim

So I've been giving out the 0.01 BTC to those who posted still, but not to accounts that look like dupes.  I'll keep it going, but please don't post if you're a noob account with nothing but "free coinz pls" style posts.  Smiley

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June 22, 2013, 04:49:05 PM
 #220

dooglus you should have ran an investment site Cheesy 3100 bitcoins in just 3 days.


BTW how is "luck" calculated? Is that the house edge? And is it on a daily basis?
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