A developer under the username 0xB10C has discovered the first mining pool, which has likely begun to block transactions of participants under sanctions of the US Office of Foreign Assets Control (OFAC).
My miningpool-observer project recently reported six OFAC-sanctioned transactions as missing from blocks.
Four of these transactions were likely filtered by F2Pool. This is the first filtering based on OFAC sanctions I’ve seen.
More in: https://t.co/OYouVwM2rv
– 0xB10C (@0xB10C) November 21, 2023
Between September and October 2023, the expert identified six missed transactions that were under restrictive measures. They were part of several blocks mined by the ViaBTC, Foundry USA and F2Pool mining pools.
During the analysis of the data, the developer came to the conclusion that in the case of the first two organizations we are not talking about targeted filtering. However, with F2Pool the situation is different, 0xB10C is sure.
The expert states that it is highly likely that the mining pool deliberately omitted transactions from the OFAC sanction list. The four cases involving F2Pool appear to show the company’s compliance with the agency’s restrictions.
The developer also noted that the transactions mentioned were related to a specific address – 3PKiHs4GY4rFg8dpppNVPXGPqMX6K2cBML. This makes it difficult to say how consistently a mining pool follows OFAC rules, the study’s author admitted.
Source: Cryptocurrency
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