The Bitcoin network has reached a significant milestone, achieving a hashrate of 1 zetahash per second. This marks a substantial increase in the computational power dedicated to securing the blockchain. The hashrate is a key indicator of the network's security and efficiency, reflecting the processing power contributed by miners. This development highlights the growing interest and investment in Bitcoin mining, as well as the network's resilience and capacity to handle transactions. The milestone was reported on September 15, 2025, showcasing ongoing advancements in the cryptocurrency industry.