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Re:How many Bitcoins does it cost to maintain the Bitcoin ne... by icebraining on Friday August 29, 2014 @04:34PM (#8244398)
The real question is: how much does it really cost to clear a transaction?

Anywhere from a fraction of a cent to millions of dollars. Bitcoin transactions don't have a fixed cost, it depends on how many people are mining. More miners => increased difficult => higher costs.

Re:How many Bitcoins does it cost to maintain the Bitcoin ne... by gfody on Friday August 29, 2014 @04:44PM (#8244421)
There is an intrinsic cost associated with hashing and rehashing the blockchain to secure the transaction. In terms of cpu time, electricity, etc.
Re:How many Bitcoins does it cost to maintain the Bitcoin ne... by icebraining on Friday August 29, 2014 @05:10PM (#8244521)
Yes, but if there were no more miners, you could process all transactions on a single cheap laptop, which probably costs less than $1/day to run.
Re:How many Bitcoins does it cost to maintain the Bitcoin ne... by akira2501 on Friday August 29, 2014 @05:03PM (#8244498)
So, what happens when they hit 21m bitcoin and mining no longer offers a reward?
Re:How many Bitcoins does it cost to maintain the Bitcoin ne... by wmf on Friday August 29, 2014 @06:03PM (#8244720)
Everybody sells their now-worthless miners for scrap and the difficulty falls to a reasonable level.