Odaily星球日报讯 11 月 28 日，比特币生态服务商 UniSat 宣布在其 UTXO 管理工具中正式上线 “小于 1 sat/vB” 费率模式。该功能支持用户在网络条件适宜时，设置小于 1 sat/vB （0.1-0.9 sat/vB） 的自定义费率，将闲置 UTXO 回收为可用比特币，从而降低资金回收成本。该工具可自动归类因 brc-20 铸造与转移操作产生的零散 UTXO，并提供一键合并回收功能。以包含 500 个 UTXO（各 546 sats）的 Native SegWit 地址为例，使用 0.1 sat/vB 费率时可实现 98.7% 的资金回收率，较 1 sat/vB 标准费率提升约 11.7 个百分点。除资产回收功能外，该 UTXO 管理工具的批量发送、拆分、解锁、锁定与合并等标准化操作也已同步支持低费率模式。平台同时提示，低费率交易在网络拥堵期间确认时间可能延长或一直无法确认的情况，建议用户依据实时网络状况灵活调整费率策略。
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