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Matt pointed out some time ago that there existed a minor DOS attack where a node in its initial block download could be wedged by an overwrite attack in a fork created between checkpoints before a time where BIP30 was enforced. Now that the BIP30 timestamp is irreversibly past the check can be more aggressive and apply to all blocks except the two historic violations.0.8
Gregory Maxwell
12 years ago
1 changed files with 6 additions and 3 deletions
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