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A comment on In praise of cash. Parent comment

Re:In praise of cash by jstanley on Friday March 03, 2017 @12:02PM (#13784218)
Most Bitcoin owners have absolutely no say in whether or not your transaction goes through. Only miners can do that.

Big miners can easily delay your transaction, by refusing to include it in a block, but the only way they can prevent your transaction entirely is if all of the miners collude not to include it.

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Re:In praise of cash by maxerickson on Friday March 03, 2017 @12:32PM (#13784455)
You only need collusion among a majority of mining power to ignore a transaction, not all miners.

It's still effectively impossible because it would undermine confidence in the system (which is why people are willing to pay miners in the first place).

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