Mining power policy abuse (deciding which transactions prevail based on
compute power advantage for theft reasons, or political reasons, or taint
reasons) is what committed coins protect against:
https://bitcointalk.org/index.php?topic=206303.0
(Its just a proposal, its not implemented).
Adam
On Mon, Sep 16, 2013 at 05:21:42PM +0200, Lodewijk andré de la porte wrote:
1) We advise mining the block in which you collect your bounty yourself;
scriptSigs satisfying the above scriptPubKeys do not cryptographically sign
the transaction's outputs. If the bounty value is sufficiently large
other miners may find it profitable to reorganize the chain to kill your
block and collect the reward themselves. This is particularly
profitable for larger, centralized, mining pools.
This is a big problem.
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