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Another decent pick 4 underway at taabl.net. Currently 2nd largest pot at 16.6 BTC. Jump in anytime for 0.1 btc.
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A major milestone with DiceOnCrack, and bitcoin in general - we were able to verify our first DoC Pipe winner! It was sold by Bitcoiner2012 who received 4.494 coins on a 0.40 wager by an anonymous forum member. The anonymous person signed a message with the sending address that contained his shipping information.
With interest, we want to make the process more streamlined.
Congrats go to Bitcoiner2012 and to anonymous, as DiceOnCrack took the loss but facilitated a transaction that otherwise wouldn't have existed.
If you would like a Pipe address, please PM me! If you decide to play a Pipe, please note DiceOnCrack only hosts the lottery/wager, and does not hold the goods.
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I confirm that DiceOnCrack lost its first wager on this. Will have to rename to DiceOnCharity. Congrats!
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Where are these people? Ok, I should have read past the OP
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I give you permission to use all of them.
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X post ( https://bitcointalk.org/index.php?topic=122848.0) Selling a 1oz A-Mark ingot for 4.00 btc shipping included. BTC address for payment: 1CF4bUm2ms5CEkRSqXkSzEGcLa4AekkFSM. -OR-Take your chance at winning the same bar by sending *exactly* 0.065 BTC to 1PipeBMryPGnN3Ms3HfnNjetCS4THmkpkS. You have a 1 in 50.87 chance of winning. Your wager is handled by DiceOnCrack.com, and is provably fair. The wager will show up on the main DiceOnCrack webpage, as well as the page for this auction only http://diceoncrack.com/address?_=1PipeBMryPGnN3Ms3HfnNjetCS4THmkpkSOnce hit, wagers to the pipe address should be turned off. When you win, you'll need to send me a signed message from the sending address directing me where to ship this cool bar. So only send from a client where you own the private key.  Thanks for looking. Good luck! |
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you can do the same with type 2 deterministic wallets.
I already thought about building this into Electrum.
The drawback is that you need to know the ID of the payment (your invoice), and to use exactly the same ID on both ends.
if there is some confusion there, I imagine that it some disputes can arise between sender and receiver.
I'll have to read up on type 2 deterministic wallets. I don't think I'm discovering something new. I question why we need all these addresses and private keys in the first place. All you need is one private key per entity. Create a new address? Just sha(description) or sha(timestamp). Want my SMTP to send your email? sha(message) to each recipient so they can recover coins. |
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Should I stop drinking coca-cola unless I am drinking for entertainment? After all, I can drink water for much less, if not free. One step further: What if I am gambling for a coke? Plug for my site: https://bitcointalk.org/index.php?topic=121920.0 With that, you pay 60% of a coke's price for a 60% chance at a coke. Am I still gambling? One more step: Do you buy insurance on your house in case it burns down? Aren't you hoping to put down a little bit of money up front, and if the odds go your way, you get a new house? Surely we can all agree that home insurance is a losing bet for individuals (gamblers) and a winning bet for the casino (insurance company)? Would you advocate people "Stop buying insurance for your house!" |
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What about someone who generated 10,000 btc a few years ago and paid tax on the $600 he made. Can he spend the 10,000 btc as if it is tax free? (Of course not, but what is the answer?) What if coins go to $0.00. Can he get back the tax he paid on the $600?
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I am not developing anything. I have low-level EC math capabilities. This might not be the right place to put this. But I have been thinking there is another way to send unique payments to others without waiting for them create an address first. Its a different way to send coins without waiting for them to provide you a unique address. Might have been dismissed / discussed already.
TTBit's lawn mowing service public key:
04fea05bcacad1d37c930b144d33be0df666a7a2413002cee90a61a65658a4a6dc921f3833bc17c bee18e5d744d63a092f1fa7c46458ee1f71e2f464d9ce650a65
I mow your lawn, and leave an invoice:
TTBit Lawn Mowing Service
Invoice #: B01559AF
Total: 1.50 BTC
You type in your client.
Send to: TTBit Lawn Mowing Service
Invoice: B01559AF
Send: 1.50 BTC
In my client:
I type in: B01559AF
And the coins are there. No addresses necessary.
What happened in your client:
sha(B01559AF) = "52dcfe43dce1da7160d31590d541e4c39edba642fd9d2296db27dbca1a4c87d9"
multiplied by my public key: 04fea05...
Which gives public key (0462051a9...) and ultimately a unique bitcoin address that only I can decode:
1Bz79TwSuJRz9CprFp5c7HZjzGNZcJwt7w
In my client:
I multiply my private key (which is:5Jh5CB3SuQophegapGjwshi5XtFAykzkvnZvzsMP15aTdL1rpJz) times sha(B01559AF) and come up with private key for 1Bz79T... (5KXnjCHmaodbCUf3zqGuuSkqKg17nkduSeMq5oKkh7vtXcbm5aJ)
Other Notes / Uses:
* I can 'push' a unique payment for the user to 'pull' when he gets around to it. For example, I am pushing a 0.10 btc payment to etotheipi with "2012-11-12 TTBit Thank You!". Those coins exist and he should be able to find them. (its @ 19hvpBYTgVKoZXLN4owJHzrHUWyLykem2Z)
* Your grandma can now send coins to you with just "Happy 25th Birthday Bobby!" (but she has to relay the message correctly)
* A website would only have to keep a DB of unique invoice numbers.
* If the IDs are "unique enough", your private key can be stolen by a 3rd party without immediate consequence, as you will be the only one who sends out the invoice ID.
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Is it possible to know what produced the lowest hash? i.e. f(x) --> lowest hash. What is f(x)?
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They're very sensitive about posting in a way that promotes a website you own, so I won't start it, but anyone else should feel free. Posting a hand that mentions it is probably good too. Ya, some people will want to use a HUD, but hopefully it's an advantage to other people who don't like using them. We're gonna try something soon, basically selling rakeback memberships. You can pay a one time fee to have a 100% rakeback account. Like, just as a temporary thing but good for life, to encourage some game building. The fee will be really tiny at first and then probably raise when games are spreading more, details soon. Sound interesting? The point is basically to give the early players a good deal and build some momentum. Suggestion: Have the rakeback memberships transferable. This would give some extra equity to early users. |
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Taking advantage of DiceOnCrack's Pipe feature ( https://bitcointalk.org/index.php?topic=121920.0), we are giving everyone a chance to win a cool 1 oz A-Mark silver ingot. To play, send exactly 0.065 BTC to 1PipeBMryPGnN3Ms3HfnNjetCS4THmkpkS. You must send from a client that owns the private key. You have a 1 in 50.87 chance of winning. To claim prize if you win: *You'll need to sign a message from the sending address* with the transaction number and your shipping information. If you are unable to prove you own the address, we can not ship. Once prize is won, the pipe address will be switched off and wagers will be refunded. Wagered amounts less than 0.065 will be refunded. You can check your wager on DiceOnCrack.com, alternatively, check only this lottery: http://diceoncrack.com/address?_=1PipeBMryPGnN3Ms3HfnNjetCS4THmkpkS. The first "Success!" will receive the prize, shipping included. For sure, it is a bit complicated. We are still in beta, and are looking for feedback, suggestions and bug reports. Please PM me for your own custom pipe address. DiceOnCrack will take the risk of your lottery sales. Good Luck! |
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Global win-cap has been increased to 25.000 btc max. This may still change based on hot-wallet balance at the time.
Great concept, you guys really do great work.
Thank you! |
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We introduced a service called (wait for it) "the crack pipe", because you can pipe wagers through to a fixed address that you own.The announcement is here: https://bitcointalk.org/index.php?topic=121920.0. We create a custom 1Pipe address for you that makes a wager according to your terms, and forwards those winnings to an address of your choosing. With it, you post your personal 1Pipe address for tips, raise donations or sell products. All wagers will show up on DoC. Its in beta right now. Please post or PM me for a custom 1Pipe address. Include what wager you would like to use. My pipe address: 1PipeZHgQXcjAYsUQ4WRXyKZn1X3sJNrpk Thanks, and good luck! |
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[Announcing / Development] The CrackPipe - Have transactions piped through DiceOnCrack.com so you can sell more goods / gain extra tips / raise more funds!A hypothetical: You have 60 cents in change, but want a $1.00 coke. Nothing gets done. Imagine there are 10 people who would be willing to do this. That is $6.00 that coke does not sell, and $6.00 worth of refreshment the consumer doesn't enjoy. What if that coke machine would take your 60 cents, and give you a 60% chance at a coke (that is provably fair)? Isn't the economy better off? Win or lose, there is an extra 60 cents in GDP vs 0 cents in GDP, so yes -- we argue society benefits from the risk taking of the consumer and producer. As a bonus, would the consumer not get SOME satisfaction, even with a 60 cent loss? And doesn't a $1.00 coke for 60 cents taste extra sweet? In the long run, the consumer will get a coke for every $1.00 he plays, but there will be MORE product sold and consumed. USES Product Sales: Selling an item? Why not get a 1Pipe address with a wager that will net you the amount in BTC if it results in a win. DiceOnCrack.com will take the risk of loss. Note: The buyer will have to sign a message from the sent address to prove he/she sent the wager as DiceOnCrack will not mediate the transaction itself, only the wager. (We suggest the "Minefield" game for fixed price sales, and you will need to request a certain wager). Example, suppose you have an item to sell for 5.0 btc. You can offer: * Buy now for 5.00 btc * Try to buy now for 0.20 btc: 1Pipe... (With This pipe address offers a 25x wager) You (the seller) will receive 5.00 btc for a win or 1 satoshi for a loss to the address you provided. Tipping: Sending 0.05 BTC for a helpful post might not seem worth it. Why not send it through their Pipe address, with a 1 in 20 chace of receiving 1.00 btc? Raise Funds: DiceOnCrack.com believes more funds will be raised for development work and charities. This is due to the entertainment value of the wager. Fees: It will depend on the wager involved, but the house edge is anywhere from 0.10% - 2.0%. So for this to be a positive for the bitcoin economy, it must attract (at worst) an extra product sale / tip / funding once every 50 times. All wagers will be posted on DiceOnCrack.com for verification. Please note that DoC is introducing the technology, the buyer and seller are still responsible for completing the transactions. At the time of this writing, DoC is still in beta, and has a wincap of 10btc. If you plan on offering higher-priced items, please be patient while we grow. 1Pipe addresses are now being offered upon request. With interest, there will be a webpage. Please post (or PM) what wager you would like from DiceOnCrack.com, and what address you wish to have the proceeds sent. We will respond with your personal 1Pipe address. We are listening for feedback and suggestions. Good luck! |
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I don't understand the math:
Is there a way to prove that the funded address is correct, without having to actually put the two private keys together?
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Why is this better than me sending you a bitcoin address to send coins to? I still have to keep the privkey
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Announcing 3 Card Poker at DiceOnCrack.com!
Instead of bouncing dice off the blockchain, you can bounce cards! Each transaction is mingled with the secret of the day to produce a provably fair shuffled deck, using a hash based Fisher-Yates shuffle algorithm. You are given the top 3 cards, and that hand is then ranked. Payouts:
Royal Flush: 50 to 1
Straight Flush: 40 to 1
3 of a kind: 30 to 1
Straight: 6 to 1
Flush: 4 to 1
Pair: 1 to 1
(Straights are A-2-3 to Q-K-A)
All games are for 0.10 btc, and an amount greater than that will result in multiple games. Winnings are not gambled. Amount less than 0.10 will be wagered in entirety.
Play anytime you feel lucky. 3 Card Poker address: 1CracksLRtQMcTF4HXNrvPzRgvz7Qr6wNd
The shuffling algorithm explained:
The unshuffled deck begins with 52 cards in sequence. The sequence is Ace,2,3,4,5,6,7,8,9,10,J,Q,K for each suit, Hearts, Spades, Diamonds and Clubs.
When the hash seed is determined, the two leftmost hex character are taken from the hash. For the resulting hex byte to qualify it needs to be less than the quotient of (value / cards remaining) * cards remaining. This is to ensure an equal chance for every card to be selected. If the hex byte does not qualify, the next pair of characters from the hash is used.
Once a qualifying byte is found, card MOD( value / cards remaining) is moved to the end of the deck. This is done 52 times. When necessary, the process SHA256(Hash) is performed to keep the process going. Note that the first 3 cards moved would be cards selected for play.
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