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Author Topic: ApopheniaBTC - Bet and solve the challenges to win BTC.  (Read 58175 times)
Boelens
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May 11, 2013, 07:30:48 PM
 #101

New pic!


Would you guys be interested in having multiple ways to distort an image? Each image getting distorted randomly by one of the available algorithms?

That would be pretty awesome, because currently it's constantly the same distortian (as far as I see generally), and you basically can't see anything the first 24 hours.
Even in the event that an attacker gains more than 50% of the network's computational power, only transactions sent by the attacker could be reversed or double-spent. The network would not be destroyed.
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Tritonio (OP)
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May 12, 2013, 01:46:10 PM
 #102



Please tell me that someone can answer this one. :-D It will expire in 6 hours. The pic is completely clear.
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May 13, 2013, 05:08:40 AM
 #103

i thought i guessed it right... someone got to it before me i guess?
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May 13, 2013, 05:19:06 AM
 #104

Very very interesting Smiley

i thought i guessed it right... someone got to it before me i guess?

Can you show previous bets, timestamps and txids please.

Also I dont see what prevents the site from collecting their own pots once big enough as you would already know the answer.

How do you generate the modified pictures ? its a very interesting effect, is it repeatable for each picture (like a visual hash)?

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May 13, 2013, 04:28:37 PM
 #105

i thought i guessed it right... someone got to it before me i guess?

Which picture are you referring to, toothpicks? If you mean the one with Vulcan I only see one correct placed on it.

Very very interesting Smiley

Can you show previous bets, timestamps and txids please.

That's a good idea that has crossed my mind too. I'll need to change the privacy policy first to note that payback addresses and bet addresses will be public data. I'll do that as soon as I get a chance. I'll place a link in the [Other] section that will take you to a page with all the transactions.

Also I dont see what prevents the site from collecting their own pots once big enough as you would already know the answer.
Unfortunately there is nothing that can stop me from doing this. The pictures have to get into the system by a human (since they are unique pictures that cannot be found on the internet to avoid cheating with TinEye etc) so some human WILL ALWAYS know what pictures are in the system. Even if we had a system that you input pictures in batches of one hundred pictures each and then they are selected randomly, the human that inputs the batches would have a big advantage because he would be able to recognize the pictures much earlier than other players. Additionally he would know the exact answers. This has already been discussed a bit in previous posts in this thread, you may take a look if you are interested. To cut a long story, I can't think of any way to make this game provably fair. Of course this is not the first game that you have to trust the owner before you play. People have been investing time to go on TV games based on knowledge, meaning they trust that the TV channel will not cheat.

How do you generate the modified pictures ? its a very interesting effect, is it repeatable for each picture (like a visual hash)?

I was experimenting with various custom effects. The initial one was very different from this one. It would start doing random walks on the picture. Each random walk would paint circles and ellipses underneath it. The color would be a mixture of the color it was stepping on, the color of the starting point of the walk, a random color and the color of an offset pixel. Too bad I didn't keep one of those pictures. It looked like some terrible oil painting. The bad thing about this effect was that as time passed on, fewer random walks remained, and parts of the original picture were clearly revealed. It was too easy to recognize which parts were revealed and which were still painted by some random walk so in the end it wouldn't matter how I painted underneath the random walks. I could just hide parts of the photo and it would have the same end result, just not so fancy.

The new effect is based on the idea of duplicating the picture, offsetting the duplicate by some amount on X and some on Y and then applying that "triangle" effect. The triangle effect basically replaces every pixel with a triangle. It's done in two steps, first step places opaque triangles everywhere creating a confetti effect. Then on top of that I place a few more triangles that are transparent to create an effect that looks like broken glass or something. As time passes triangles get smaller and the offset picture is moved gradually back to it's starting position. I might make some changes these days to the algorithm though.
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May 13, 2013, 05:58:19 PM
 #106

Can you show previous bets, timestamps and txids please.

Done: https://apopheniabtc.com/txs.php

Of course it will only show transactions that happen after today. The older ones are protected by the privacy policy. The new PP states that data related to bitcoin transactions and paybacks are public data.
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May 13, 2013, 06:54:20 PM
 #107

Glad to see you are still keeping this active/updating the pictures regularly. Keep it up!  Wink

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May 13, 2013, 07:01:06 PM
 #108

Glad to see you are still keeping this active/updating the pictures regularly. Keep it up!  Wink

1pic/day. I'll increase the rate when I some more people start playing.

@mem: there is one transaction visible in the transaction list now.
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May 14, 2013, 01:43:27 PM
 #109


Also I dont see what prevents the site from collecting their own pots once big enough as you would already know the answer.
Unfortunately there is nothing that can stop me from doing this. The pictures have to get into the system by a human (since they are unique pictures that cannot be found on the internet to avoid cheating with TinEye etc) so some human WILL ALWAYS know what pictures are in the system. Even if we had a system that you input pictures in batches of one hundred pictures each and then they are selected randomly, the human that inputs the batches would have a big advantage because he would be able to recognize the pictures much earlier than other players. Additionally he would know the exact answers. This has already been discussed a bit in previous posts in this thread, you may take a look if you are interested. To cut a long story, I can't think of any way to make this game provably fair. Of course this is not the first game that you have to trust the owner before you play. People have been investing time to go on TV games based on knowledge, meaning they trust that the TV channel will not cheat.

Well props for coming right out on that one Smiley
I thought as much, still nothing that good service history with happy players wont compensate for (raffles have the same issue usually).

Best of luck, love the idea and the picture effect is quite cool, looks like those "ghost caught on camera" picturs you see Smiley

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May 14, 2013, 01:44:11 PM
 #110

Can you show previous bets, timestamps and txids please.

Done: https://apopheniabtc.com/txs.php

Of course it will only show transactions that happen after today. The older ones are protected by the privacy policy. The new PP states that data related to bitcoin transactions and paybacks are public data.

sweet

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May 15, 2013, 12:12:38 PM
 #111

New picture:

Sorry or delaying with that but I had some bad trouble with my computer these days.
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May 16, 2013, 01:12:46 AM
 #112

New picture:

Sorry or delaying with that but I had some bad trouble with my computer these days.

Looks like a lobster to me Tongue

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May 16, 2013, 03:57:39 AM
 #113

New picture:

Sorry or delaying with that but I had some bad trouble with my computer these days.

Looks like a lobster to me Tongue

Looks like a duck here... I really can't see the lobster. The middle part would be the duck's beak, and at the top of it you'll see the eyes, surrounded by the white head. The bottom white would be the body.

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May 16, 2013, 05:44:32 AM
 #114

New picture:

Sorry or delaying with that but I had some bad trouble with my computer these days.

Looks like a lobster to me Tongue

Looks like a duck here... I really can't see the lobster. The middle part would be the duck's beak, and at the top of it you'll see the eyes, surrounded by the white head. The bottom white would be the body.

The more I look at it the more it looks like something entirely different. Now it looks like some guy doing karate to me.

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Tritonio (OP)
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May 16, 2013, 07:14:48 PM
 #115

I don't remember what the previous pic is, really. Haha.

But I also uploaded a new one which is easy and cheap, IMO.

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May 16, 2013, 11:57:34 PM
 #116

The more I look at it the more it looks like something entirely different. Now it looks like some guy doing karate to me.

Isn't that the BEST part about this game? :-D Our brain is amazing...
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May 17, 2013, 12:05:44 AM
 #117

The more I look at it the more it looks like something entirely different. Now it looks like some guy doing karate to me.

Isn't that the BEST part about this game? :-D Our brain is amazing...

It's VERY hard...haha
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May 17, 2013, 12:51:28 AM
 #118

Well made my first bet, hopefully no one else bet for it..... probably  did.
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May 17, 2013, 01:04:32 AM
 #119

That's what she said.
I'm male BTW. Grin

Well made my first bet, hopefully no one else bet for it..... probably  did.
Nobody else had bet "skull". You should click the "Wrong Answers" button before betting yourself if you didn't do that already. :-)
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May 17, 2013, 01:11:28 AM
 #120

That's what she said.
I'm male BTW. Grin

Well made my first bet, hopefully no one else bet for it..... probably  did.
Nobody else had bet "skull". You should click the "Wrong Answers" button before betting yourself if you didn't do that already. :-)


I didn't bid skull, but I was wrong anyway, lol.
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