Global Crypto Mining News in November：Pool review of transactions sparks huge controversy, Multiple decentralized mining pools launched
1. 0xB10C Research reveals that F2Pool became the first Bitcoin mining pool to filter transactions based on U.S. OFAC sanctions. In September and October 2023, there are six bitcoin blocks missing an OFAC-sanctioned transaction and four by F2Pool. The transactions missing from F2Pool’s blocks are likely filtered. Several reasons could explain why a transaction might be absent from a block. Generally, transactions do not propagate equally through the network, and there is no global mempool to pick transactions from. Each node has its own set of valid transactions. However, for the four transactions that were not included in the block by F2Pool, the authors analyzed the rate distribution of the missing transactions and the included alternative transactions (e.g., the former provides more miner’s fees), and in combination with the space situation of the block (there was enough space to accommodate them but they were not physically included), concluded that this was a case of intentional f...