Author: AdamISZ 2023-08-10 15:46:18+00:00
Published on: 2023-08-10T15:46:18+00:00
There is a concern regarding the timing correlation and metadata intersection in transactions. While timing correlation itself may not be significant, the combination of multiple factors could be problematic. The sender knows when the transaction occurs within a 10-second time window and also has knowledge of the message size. It is suggested to consider random padding of the Payjoin PSBT message size, as the length can be arbitrary due to the nature of the chacha stream cipher.
Updated on: 2023-08-11T01:52:08.027706+00:00