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UniSat Introduces Low-Fee API for Bitcoin and Fractal Transactions

UniSat’s updated tool now enables customized sub-1 sat/vB fees for UTXO recovery, achieving up to 98.7% efficiency and streamlined brc-20 transaction management.

BTC

Summary

On November 28, UniSat expanded its capabilities with a “less than 1 sat/vB” fee mode in its UTXO management tool. The new feature allows users to set customized transaction fees from 0.1 to 0.9 sat/vB to recover idle UTXOs at reduced cost, with recovery rates reaching 98.7%. The tool supports automated UTXO categorization and one-click merging specifically optimized for brc-20 activity.

Terms & Concepts
  • sat/vB: A fee rate measurement in Bitcoin, denoting satoshis paid per virtual byte of transaction data.
  • UTXO: Unspent Transaction Output, representing spendable cryptocurrency units remaining from completed transactions.
  • brc-20: A token standard on the Bitcoin blockchain enabling fungible tokens through ordinal inscriptions.