[ANN] SafeDice.com - 0.5% Variable House Edge

[SF-Man]

you should add faucet

it will attract a lot of people!!!

Thank you for the suggestion pure, but there are also lot of controversy about faucet. Currently we are still trying to attract people with features other than faucet.

What controversy is that?

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[Seketsuna]

you should add faucet

it will attract a lot of people!!!

Thank you for the suggestion pure, but there are also lot of controversy about faucet. Currently we are still trying to attract people with features other than faucet.

What controversy is that?

bot users, PD is having problems with them

[Sam.Walton]

you should add faucet

it will attract a lot of people!!!

Thank you for the suggestion pure, but there are also lot of controversy about faucet. Currently we are still trying to attract people with features other than faucet.

What controversy is that?

This one...

how about you add faucet for a few days so we can test the site

Faucet is important so that we can try the site out.

faucet invites bot users thus makes the site slower and some beggars that spam.

[cheekychap]

Do you guys plan to remove the faucet due to that?

[omahapoker]

you should add faucet

it will attract a lot of people!!!

yes they do!!!


it's like your having a few friends over for beers next thing you know theor 70 peeps and all drunk and puke all over house



then crash over night




and they never leave

[Sam.Walton]

Do you guys plan to remove the faucet due to that?

We have nothing to remove since we never had it

you should add faucet

it will attract a lot of people!!!

yes they do!!!


it's like your having a few friends over for beers next thing you know theor 70 peeps and all drunk and puke all over house



then crash over night




and they never leave

 

[crazy-pilot]

you should add faucet

it will attract a lot of people!!!

IMO their bankroll is much too small to support a faucet. The max bet for what their bankroll (~11 BTC currently) can support is only a little bit larger then what faucets would give out. Plus you have the issue of the fact that the bankroll is investor funded

An alternate suggestion would be to allow people to play with "play" money that cannot be withdrawn and is kept track of separately then real bitcoin deposited.

[Seketsuna]

you should add faucet

it will attract a lot of people!!!

IMO their bankroll is much too small to support a faucet. The max bet for what their bankroll (~11 BTC currently) can support is only a little bit larger then what faucets would give out. Plus you have the issue of the fact that the bankroll is investor funded

An alternate suggestion would be to allow people to play with "play" money that cannot be withdrawn and is kept track of separately then real bitcoin deposited.

this also a good suggestion because there are dice sites that has no faucet but was able to get supportive members

[dooglus]

I found a bug with the site.

I set the payout multiplier to 2, set the stake to 0.01, and started martingaling.

I lost 0.01, lost 0.02, tried to double again (using the 'w' hotkey) but it wouldn't let me bet 0.04.

Pressing 'w' with the stake at 0.02 changed the stake to 0.04 as expected, and changed the chance of winning from 49.75% to 49.662% (that's to be expected, since 0.04 is more than 0.25% of the 11.8 BTC bankroll). When I hit 'h' to roll, nothing happened. I checked the javascript console and saw error messages:

(click to enlarge)



Is there a bug bounty on this site? If so, please credit it to my on-site balance.

Edit: I should mention that I tried changing the chance to 50% and then it let me bet - I had to go quite high before I ended up winning. Then I switched back to 2x again, and the bug happened again as soon as I got up to betting 0.04 BTC on a roll - so this wasn't a random site outage - it's very likely to be related to the specific bet I'm trying to make.

Edit2: I won a bit more and withdrew my balance without any trouble. Then I clicked 'history' and noticed that it only showed a single deposit and a single withdrawal, both from a week ago. It should have shown two of each, since I deposited and withdrew today. Reloading the page fixed it, but I shouldn't have to reload to get the history updated.



Edit3: I think the problem is that when the payout multiplier is fixed, and you calculate the chance from it, you're rounding up instead of down, giving a slightly lower house edge than intended, which the server then rejects. When I'm trying to bet 0.04 to win 2x, the chance is set to 49.662%, but if I put 49.662% in the chance box, the payout is a little under 2x. I ended up editing the chance to 49.661%, the payout went a little over 2x, and it let me bet. I suspect you can fix this by rounding down instead of up when calculating the chance from the payout multiplier.

Edit4: The variable house edge feature works pretty well (other than the error I reported above). Here's a screenshot showing how the site got me betting against a 5% house edge - something I would normally never even consider doing.

[Sam.Walton]

you should add faucet

it will attract a lot of people!!!

IMO their bankroll is much too small to support a faucet. The max bet for what their bankroll (~11 BTC currently) can support is only a little bit larger then what faucets would give out. Plus you have the issue of the fact that the bankroll is investor funded

An alternate suggestion would be to allow people to play with "play" money that cannot be withdrawn and is kept track of separately then real bitcoin deposited.

this also a good suggestion because there are dice sites that has no faucet but was able to get supportive members

But wouldn't that will be confusing for the player? It's like integrating test server and real server at the same time.

[Sam.Walton]

Hi Doog... Thank you for founding those problem!

Edit3: I think the problem is that when the payout multiplier is fixed, and you calculate the chance from it, you're rounding up instead of down, giving a slightly lower house edge than intended, which the server then rejects. When I'm trying to bet 0.04 to win 2x, the chance is set to 49.662%, but if I put 49.662% in the chance box, the payout is a little under 2x. I ended up editing the chance to 49.661%, the payout went a little over 2x, and it let me bet. I suspect you can fix this by rounding down instead of up when calculating the chance from the payout multiplier.

That's very good observation. It does related to rounding but not exactly because of round down / up problem. It is because the server reject an unavailable payout. Here's our explanation.

• When the user manually set the payout, browser will round the payout to the nearest possible payout (because roll number / win chance is actually a discrete number) after the user is done editing
• With variable H.E. the payout can change in realtime. When the H.E. changed, browser changes the win change according to the user payout.
• However, the payout still remain the same, and those exact payout doesn't always available (remember that roll number is discrete).
• When the user rolls, SD's server check the roll integrity and found that the submitted payout slightly missed, therefore the safety mechanism rejects the roll (our log literally wrote "impossible payout" ).

We have fixed this issue now, the payout will now change to the nearest possible payout automatically when the H.E. changed.

Is there a bug bounty on this site? If so, please credit it to my on-site balance.

Done! We don't have a bug bounty program, but may reward it in an ad hoc manner. Many thanks for all the reports and suggestions so far Doog

Edit4: The variable house edge feature works pretty well (other than the error I reported above). Here's a screenshot showing how the site got me betting against a 5% house edge - something I would normally never even consider doing.

Lol, luckily you won those bet