The news drops, a record that echoes in the crypto world: 1 Zettahash per second. A figure that, at first glance, lights up the eyes of enthusiasts. But behind this prodigious rise in hashrate, more complex questions lie for miners. A technical feat that does not encompass, far from it, all the economic dynamics of the network. Because while Bitcoin’s hashrate climbs, that does not guarantee profitability. And in the shadow of this record, some already fear the price to pay to remain competitive.