BUY_LOCK_BLOCKS: How Immute Blocks Same-Block Sandwich Attacks

Sandwich attacks remain one of the most exploitative patterns in decentralized finance. A malicious actor identifies a pending transaction, front-runs it with a higher gas bid to buy the same asset, then back-runs with a sell after the victim's transaction completes—all within the same block. The victim pays more for their purchase, the attacker pockets the spread, and the protocol's integrity degrades. For a bonding-curve reward token like Immute, where every buy and sell directly impacts the c