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jabetizo (OP)
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March 23, 2013, 10:52:00 PM
 #1
once all 21 million bitcoins have been mined, will a block be valid if its coinbase's output is 0 BTC (assuming there are no transactions with fees in the block)?
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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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Peter Todd
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March 23, 2013, 11:45:37 PM
 #2
Blocks are already valid with the coinbase reward set to 0 - the reward is allowed to be less than the maximum allowed.
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March 24, 2013, 02:04:18 AM
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A corner case to keep in mind if we ever want to prohibit zero value outputs!
Peter Todd
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March 24, 2013, 02:10:43 AM
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Quote from: gmaxwell on March 24, 2013, 02:04:18 AM
A corner case to keep in mind if we ever want to prohibit zero value outputs!

Ha, good point!
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jabetizo (OP)
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March 24, 2013, 02:12:12 AM
 #5
Quote from: gmaxwell on March 24, 2013, 02:04:18 AM
A corner case to keep in mind if we ever want to prohibit zero value outputs!

i didn't know they were currently allowed, thanks Smiley
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March 24, 2013, 04:36:00 AM
 #6
Coinbase shouldn't reach 0 until 4*32=128 years later.
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