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meritlabs / merit

Merit aims to be the world's most adopted digital currency.
https://www.merit.me
MIT License
192 stars 20 forks source link

Check for duplicate inputs during block check. #398

Closed mempko closed 6 years ago

mempko commented 6 years ago

This is a downstream fix from Bitcoin. Bad actors could create a block with duplicate inputs and crash nodes.

The relevant bitcoin change is here: https://github.com/bitcoin/bitcoin/pull/14249