Source: PANews ↗
报告：破解比特币密钥所需物理量子比特或降至约3万个
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What the source reports
PANews 10月30日消息，据CoinDesk及The Quantum Insider报道，量子计算公司Alice & Bob发布研究称，基于其cat qubit架构，破解比特币所用的256位椭圆曲线密钥（ECDLP-256）约需29588个物理量子比特、耗时约62分钟，所需硬件较谷歌今年3月估算的不到50万个减少约17倍。由于耗时仍长于比特币约10分钟的平均出块时间，尚难在交易确认前窃取资金，但公钥已暴露地址中的逾600万枚BTC面临更大风险。该研究仍属理论估算，Alice & Bob预计硬件进步与资源需求下降将在2030年代初交汇，呼吁比特币尽快启动抗量子迁移。
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