On Wed, Feb 29, 2012 at 11:00:42PM +0000, Ben Reeves wrote:
> I'm not sure. What if they use a coinbase of a block that has already matured?

Indeed; duplicate an old coinbase, fork chain without dupe, and spend the old 
coinbase.
The 100-blocks maturity will not help against is.

I'm not sure how you intend to fix DisconnectBlock() to prevent this in a 
backward-
compatible way, though.

-- 
Pieter

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