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bitstarter (OP)
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July 14, 2012, 07:57:18 PM |
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I was just on the blockchain.info website and noticed this transaction: or better yet why? How does one send 0.00 BTC ? |
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Shirik
Newbie
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Activity: 32
Merit: 0
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July 14, 2012, 08:07:37 PM |
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Link to the transaction? Your ID is cut off.
I suspect it's not 0 BTC, but rather just such a small number that it doesn't show up.
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notme
Legendary
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Activity: 1904
Merit: 1002
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July 14, 2012, 08:08:05 PM |
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blockchain.info rounds to two decimal points, bitcoin has eight decimal places.
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bitstarter (OP)
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July 14, 2012, 08:13:20 PM |
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Link to the transaction? Your ID is cut off.
I suspect it's not 0 BTC, but rather just such a small number that it doesn't show up.
I don't know I caught it on the transaction scroll bar on blockchain captured it  so ..it wasn't mine.. |
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bitstarter (OP)
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July 14, 2012, 08:13:43 PM |
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blockchain.info rounds to two decimal points, bitcoin has eight decimal places.
ah so it might be cut off ? so might be 0.001 ? |
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notme
Legendary
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Activity: 1904
Merit: 1002
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July 14, 2012, 08:16:39 PM |
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blockchain.info rounds to two decimal points, bitcoin has eight decimal places.
ah so it might be cut off ? so might be 0.001 ? Yep, anything less than 0.005 would show up as 0.00 |
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theymos
Administrator
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Activity: 5376
Merit: 13407
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July 14, 2012, 08:25:49 PM |
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It is legal to send 0 BTC, but the bitcoin.org client doesn't support sending such transactions. This is useful in some cases.
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1NXYoJ5xU91Jp83XfVMHwwTUyZFK64BoAD
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notme
Legendary
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Activity: 1904
Merit: 1002
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July 15, 2012, 06:25:18 AM |
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It is legal to send 0 BTC, but the bitcoin.org client doesn't support sending such transactions. This is useful in some cases.
Could you provide an example use case? |
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theymos
Administrator
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Activity: 5376
Merit: 13407
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July 15, 2012, 07:41:58 AM |
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Could you provide an example use case?
It's used in hashcoin's payment channels protocol. Miners will need to do it in 100+ years when blocks have no subsidy (if there are no fees). You can use it for tracking an asset without tying up BTC: the asset is represented by the 0-BTC output, and sending this 0-value output to someone (also valid) transfers the asset. You can use it for storing data in the block chain without tying up BTC. |
1NXYoJ5xU91Jp83XfVMHwwTUyZFK64BoAD
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notme
Legendary
Offline
Activity: 1904
Merit: 1002
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July 15, 2012, 04:53:51 PM |
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Could you provide an example use case?
It's used in hashcoin's payment channels protocol. Miners will need to do it in 100+ years when blocks have no subsidy (if there are no fees). You can use it for tracking an asset without tying up BTC: the asset is represented by the 0-BTC output, and sending this 0-value output to someone (also valid) transfers the asset. You can use it for storing data in the block chain without tying up BTC. Thanks |
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notme
Legendary
Offline
Activity: 1904
Merit: 1002
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July 15, 2012, 06:41:42 PM |
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I really expected it to be Disallowed by the blockchain itself simply for "spam protection"
But yeah i can see how it could be useful
It would likely need a transaction fee attached for it to actually be mined in any reasonable time. |
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nimda
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July 15, 2012, 07:07:51 PM |
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Such a transaction, I believe, would have a priority of 0, since priority is the product of age and size. Thus, it would certainly need to carry a fee, unless it was produced by someone who had mined a block.
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