Bitcoin mining difficulty up 8% in Q3 2025; ็ฎๅ rose 12% QoQ, showing minersโ optimistic outlook on future prices.
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Capital has withdrawn from small-cap altcoins, shifting to Bitcoin/Ethereum. This implies fading risk appetite; investors prefer safer, more liquid assets, hinting at a potential market rotation toward mainstream coins.
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Decentralization Degree of Ethereum Layer2: Optimism has 50 validators and Arbitrum has 70. There is a balance between decentralization and performance. More validators mean higher decentralization but may sacrifice some performance. Protocols need to find an appropriate balance according to their own characteristics.
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