That night, Li Wei sat in the great Ledger Hall, a cavernous room of empty shelves and silent abacuses. The single grey note vibrated through the stone floor. He was tracing the hack. It was beautiful, in a monstrous way. It hadn’t deleted the data. It had simply severed the meaning from the symbol. It was a poison not against money, but against reality .

Gersang was a city of golden dunes and creaking windmills, the last great trade hub before the desolate Taklamakan. For centuries, its bazaars hummed with the rhythm of commerce: the chime of silver coins, the braying of pack camels, the endless, layered gossip of merchants.

He found the source. It wasn’t a rival city or a band of desert raiders. It was a single, abandoned waystone buried in the foundations of the Old North Windmill. Its identifier code was an ancient one: .

“Salt from the western flats! One sack for a morning’s water!” he bellowed.

On the third day, the city’s automated water-dispensers, keyed to the corrupted ledgers, started dispensing sand.

To Li Wei, the city’s Senior Ledger Keeper, Gersang was a symphony. He could walk through the Spice Souk and hear the precise number of saffron threads in a merchant’s claim. He could stand on the Grand Caravanserai balcony and, by the groan of the axle-grease market, predict the quarterly tax revenue.