Bitcoin miners are seeing improved profitability even as the network’s computing power climbs to a new record, according to Reuters. The jump in hashrate reflects stronger competition across the mining industry and suggests more machines are now competing to validate transactions and earn rewards.

The rally in mining economics comes alongside renewed debate over the sector’s energy use. Proof-of-work systems such as Bitcoin’s remain under scrutiny from regulators and environmental groups, who argue that their electricity demand can be hard to justify at scale.

At the same time, higher network activity and shifting market conditions can help offset some operating costs for miners, especially those with access to cheaper power or more efficient hardware. That can create a short-term boost even in an industry known for slim margins and volatile returns.

The latest data underscores a familiar tension around Bitcoin: a secure, decentralized network that relies on heavy energy consumption, and a business model that can quickly improve or weaken depending on price, competition, and electricity costs.