: High; requires significant hash power and precise timing.
: Immediately after, the attacker broadcasts their pre-mined block to the network. Bitcoin_Fake_Transaction_Vector76_attack_Full_V...
: This attack primarily targets services that accept one confirmation for high-value deposits. : High; requires significant hash power and precise timing
: Once the exchange credits the account based on that one confirmation, the attacker withdraws the funds. Meanwhile, the rest of the network follows a different chain (where the original block was orphaned), and the transaction to the exchange is ultimately rejected as a double spend. Technical Context & Mitigation the attacker withdraws the funds. Meanwhile