Odaily News On November 28, Bitcoin ecological service provider UniSat announced the official launch of the “less than 1 sat/vB” fee rate mode in its UTXO management tool. This feature allows users to set a custom fee rate of less than 1 sat/vB (0.1-0.9 sat/vB) when network conditions are favorable, recycling idle UTXOs into available Bitcoin, thereby dropping the cost of capital recovery. The tool can automatically categorize scattered UTXOs generated from brc-20 minting and transfer operations, and provides a one-click merging and recycling function. Taking a Native SegWit address containing 500 UTXOs (each 546 sats) as an example, using a 0.1 sat/vB fee rate can achieve a 98.7% capital recovery rate, which is approximately 11.7 percentage points higher than the standard fee rate of 1 sat/vB. In addition to asset recovery features, the UTXO management tool's standardized operations such as batch sending, splitting, unlocking, locking, and merging are also now synchronized to support low fee rate mode. The platform also reminds that low fee transactions may have extended confirmation times or may remain unconfirmed during network congestion, and suggests users flexibly adjust their fee strategy based on real-time network conditions.
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