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Bitcoin / Development & Technical Discussion / Re: Multi-User transaction with Bitcoin.
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on: November 03, 2022, 06:19:46 PM
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We should only use popular clients like Electrum, core or Armory.
Why restrict to only these? You may use https://coinb.in/#newTransaction as well, of course offline after downloading it from Github. It is light weight & open source. I wouldn't use multi-sig for this at all. Instead I would use SIGHASH_ALL | SIGHASH_ANYONECANPAY.
Essentially, Alice creates a transaction which contains her 0.1 mBTC input and a 0.2 mBTC output to the society. She signs it with SIGHASH_ALL | SIGHASH_ANYONECANPAY. This signs her input and the output (meaning they cannot be changed), but allows the addition of further inputs (but not further outputs). She then passes this transaction to Bob. Bob cannot broadcast it as it stands, because the outputs are higher than the inputs and so it is invalid. However, Bob can then add his own 0.1 mBTC input to the transaction, which would make it valid, and can then be broadcast.
Alternatively, Alice could sign with SIGHASH_SINGLE | SIGHASH_ANYONECANPAY, allowing Bob to add his own input as well as additional outputs, in case he doesn't have a 0.1 mBTC ready to go and needs to add a change address.
Both Sig Hash Type, i.e. ALL|ANYONECANPAY & SINGLE|ANYONECANPAY are available @ https://coinb.in/#sign |
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6
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Economy / Scam Accusations / Re: Online gambling sites are rigged
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on: July 18, 2020, 04:05:34 PM
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i lost maybe 25 times in a row when i had a 75% percent of winning! i only bet 5 times when i hit the massive loss streak right from the get go. If you look at the math there's only a 1% chance or so of this happening, clearly they saw I was rolling high percent win and they just made me lose. NEVER PLAY ON THESE "FAIR" SITES! SCAMMERS!
Probability might not always be in your favor. 25 is not a sample to consider. But, sites that require registration, may track your bet behavior and generate seed accordingly, though it might be boomerang as well. |
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8
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Bitcoin / Bitcoin Discussion / Re: I have a Dream...
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on: July 07, 2019, 05:58:49 PM
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Wishful thinking. But, I think, US is not first in this regard. Sale of grocery against Crypto has already taken place in Europe. Moreover, we now have almost all the gift cards available for Crypto. So, you can indirectly use Crypto for groceries.
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