$ONE Breathed into the screen, Minh watched the text "Transaction successful" shimmer on his phone. The bag had been delivered to an anonymous address, but a flashing red warning suddenly appeared: Insufficient transaction fee. A sigh came from the corner of the room—Mai had just thrown her leather wallet onto the chair, her eyes reddened. They had calculated every cent, every letter, every nanometer, yet the transaction fee was still flimsy, $ZAMA $LINK