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There are many clones of SatoshiDice.

SatoshDice is very primitive game in a technical sense. However, it's very popular among Bitcoin users. It seems like the same thing would be true of altcoins, but there are only 10-20 alt-coin dices versus 200-300 alt-coins.

It seems like the engine of satoshi-dice might be easy to implementat. Probably, without a server-side database. One page-php + bitcoind + little log + small cron's script.

That is why I'm looking for turnkey solution.

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  • Interesting post, but I have problems at finding the question. What exactly are you asking?
    – Joe Pineda
    Feb 10 '14 at 16:52
  • I'm looking for "OpenSource Alt-coins Dice engine"
    – user2496
    Feb 10 '14 at 16:59
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Beware, there are lots of problems with dice, especially when there is a relatively low hash rate (e.g. most altcoins). An attacker with enough hashpower to solomine could steal fairly easily. I can't find the article detailing how a miner could defraud you but it goes something like this:

  1. Attacker has 250 BTC
  2. Attacker makes 2 transactions from one input, but doesn't publish them
    1. betting 250 BTC on Satoshi Dice 50% 1.98x
    2. sending 250 BTC to another address owned by attacker
  3. Attacker solo mines bitcoin at 0.1% of network (reasonable expectation to block: 1 week) with transaction b included
  4. Attacker finds a block and holds it while sending 250 BTC bet to satoshi dice
  5. Within seconds, attacker knows if they've won 245 BTC or if they've lost

If attacker loses bet: they publish the block, effectively unspending the transaction sent to satoshidice

If attacker wins bet: they discard the block, since 245 BTC is greater than the 25 expected from the block

Also, it's possible for people to game these 0 confirmation games by not paying a fee to the game and sending a double spend with a fee. See: https://bitcointalk.org/index.php?topic=130764.0

Any dice game you use should be deposit based, like just-dice.com

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