[UniSat UTXO Tool Launches Sub-1 sat/vB Fee Mode] On November 28, Bitcoin ecosystem service provider UniSat announced the addition of a 'sub-1 sat/vB' fee mode to its UTXO management tool. This feature allows users to set custom fees ranging from 0.1 to 0.9 sat/vB under suitable network conditions, enabling the recovery of idle UTXOs into usable Bitcoin and reducing fund recovery costs. The tool offers a one-click merge and recovery function. For example, using a Native SegWit address with 500 UTXOs (each containing 546 sats), a 0.1 sat/vB fee rate can achieve a 98.7% fund recovery rate, approximately 11.7 percentage points higher than the standard 1 sat/vB fee rate. Additionally, the tool's batch sending, splitting, unlocking, locking, and merging operations also support the low-fee mode. The platform reminds users that low-fee transactions may experience delayed confirmation or fail to confirm during network congestion. Users are advised to adjust their fee strategies based on real-time network conditions.