Bitcoin network security is roaring back. Hashrate is back up to 1.1 ZH/s—closing in on the late-2025 all-time high of 1.3 ZH/s after a 9-month lull. Drivers: 🔹 Next-gen ASICs deployed 🔹 Price recovery boosting profitability 🔹 Smaller operators capturing hash left by miners pivoting to AI workloads (source: Glassnode)