Because Bitcoin's Merkle tree is vulnerable to it as well :) The fix came throug... | Hacker News

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jlrubin on March 13, 2018 | parent | context | favorite | on: Attacking Merkle Trees with a second preimage atta...

Because Bitcoin's Merkle tree is vulnerable to it as well :)

The fix came through a higher order property (duplicate TXs not allowed anyways).

https://bitcointalk.org/index.php?topic=102395.0

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