Author: Eric Voskuil 2016-11-17 09:58:38
Published on: 2016-11-17T09:58:38+00:00
The discussion in the email exchange revolves around the possibility of transaction hash collisions and the impact they could have on the Bitcoin network. While it is unlikely that hash collisions will occur due to the strength of SHA256, there is still a small chance that they could happen. BIP30 allows for fully-spent transactions to be duplicated to aid in pruning, but this means that there could be duplicated txids in the future. BIP34 aims to enforce block and transaction uniqueness, but doesn't explicitly reject collisions by consensus. The suggestion is made to draft a new BIP to address this issue, but it is noted that doing so would make it impossible to guard against chain splits due to pruning.
Updated on: 2023-06-11T20:37:01.262188+00:00