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Professor Coin: Bitcoin, Energy and the Future of Sustainable Crypto

Bitcoin's energy consumption is substantial, estimated at 138 TWh in 2025, leading to increasing scrutiny regarding its environmental impact. Recent studies expand the discussion beyond electricity usage alone to consider CO₂ emissions, water usage, e-waste, and land use. As policy concerns grow, governments are increasingly focused on the nature of the energy sources used by Bitcoin miners. Despite Bitcoin's significant environmental footprint and its reliance on proof-of-work (PoW) systems, there is a shift towards renewable energy, with 52.4% of miners utilizing sustainable power sources. While Ethereum's transition to proof-of-stake (PoS) dramatically reduced energy consumption, Bitcoin remains committed to PoW, raising questions about its long-term sustainability. However, there is an optimistic outlook where Bitcoin mining could help stabilize renewable energy grids by acting as a buyer for surplus energy, potentially aiding the green transition. The future trajectory of Bitcoin will depend heavily on miners' practices, government regulations, and overall market dynamics.

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Bitcoin mining just got easier — but not for long, as hashrate roars back

Bitcoin's network hashrate reached an all-time high of over 1.2 trillion hashes per second, despite a decrease in mining difficulty. The mining difficulty fell to 146.7 trillion, down approximately 2.7% from the previous peak of over 150.8 trillion. This change occurred leading up to

Polymarket Airdrop Farmers Have Become 'More Sophisticated' as Token Launch Looms

Users on Polymarket are adapting their strategies for farming an anticipated token airdrop as trading techniques have evolved. In contrast to last year's blatant wash trading, which clogged the activity feed and was easily identifiable, farmers have become more sophisticated in their approaches. Instead of conspicuous large trades,

XRP Investor Says $3M in XRP Was Stolen; Cold Wallet Maker Says Seed Import Made Wallet Hot

Brandon LaRoque, a long-time XRP investor, reported a loss of over $3 million in XRP after checking his balance on the Ellipal mobile app on October 15. The theft, which occurred on October 12, involved two test transactions followed by a significant withdrawal of approximately 1.21 million XRP to

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