Bitcoin_fake_transaction_vector76_attack_full_v... Now

: Automated payment processors or exchanges with low confirmation thresholds.

: This attack primarily targets services that accept one confirmation for high-value deposits. Bitcoin_Fake_Transaction_Vector76_attack_Full_V...

: The attacker connects to a well-connected node (like an exchange's node) and a mining pool. They mine a block containing a transaction that sends coins from Address A to Address B (both controlled by the attacker) but do not broadcast it immediately. : Automated payment processors or exchanges with low

: The merchant/exchange loses the goods or currency, while the attacker retains their original Bitcoin on the main chain. They mine a block containing a transaction that

: Once the attacker finds a block, they quickly send a second transaction—sending the same coins from Address A to the exchange's Address C—directly to the exchange's node.

: The exchange sees the transaction to Address C and then sees the attacker's block arrive. Because the block is valid, the exchange's node may count the transaction to Address C as having one confirmation , even though that transaction is not actually in the block.