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Matthias Knab, Opalesque:

"Mining Madness": A report from Paul Hoffman points to the staggering energy cost of Bitcoin in 2025:

As Bitcoin prices retreat from their recent highs, the economics of mining are coming under renewed scrutiny. While the global hashrate remains near record levels, the energy required to sustain the network continues to surge, raising uncomfortable questions about efficiency, profitability, and environmental cost.

With block rewards permanently reduced after the 2024 halving and electricity now the single largest operating expense, miners are burning through power at a scale comparable to mid-sized nations just to stay competitive. At today's prices, the industry is increasingly forced to confront a blunt reality: whether securing the Bitcoin network still justifies the energy it consumes. With this in mind, the team at BestBrokers decided to put into perspective the enormous amounts of electrical power used for mining Bitcoin globally.

Bitcoin's daily issuance of around 450 coins comes with an immense energy cost. Keeping the network running at its current pace requires roughly 417 gigawatt-hours of electricity every single day, adding up to more than 152 terawatt-hours over the course of a year. That level of consumption rivals - and in most cases exceeds - the annual power use of the vast majority of countr......................

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