Stats on compact block reconstructions

Posted by johnnyasantoss

Sep 29, 2026/20:23 UTC

The inquiry raises concerns about the potential impact of the ColdCard hack on the behavior of private mempools and relay systems, including issues such as bots engaging in replace-by-fee (RBF) transactions until they dissipate into dust and other disturbances within the mempool. The observed changes appear to have begun regressing in July, with a more noticeable increase in bandwidth required for reconstruction becoming evident after July 11. However, the lack of specific data from the node in question makes it challenging to definitively confirm these observations. This situation highlights the complexities and potential vulnerabilities within cryptocurrency transaction mechanisms, especially in the wake of security breaches like the ColdCard hack.

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Aug 2 - Sep 29, 2026

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