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  • Gas Fees
  • Payload Fees
  • Bridge Transaction Fees
  • Fee Optimization

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  1. Universal Token Standard
  2. Architecture

Fee Components

UTS provides a cost-efficient and transparent fee system for cross-chain transactions, ensuring users pay only for the resources required. Its optimized structure minimizes costs while maintaining reliable and secure token transfers.

Gas Fees

Cross-chain transactions require gas fees on both source and destination networks, covering computational tasks like minting, burning, locking, and unlocking. Gas limits dynamically adjust to real-time network conditions to prevent overpayment.

  • Destination Gas Limit (dstGasLimit): User-defined maximum gas for the destination network.

  • Destination Gas Price (dstGasPriceInWei): Real-time gas price updated by UTS backend.

  • Native Token Prices: Prices of source and destination native tokens (e.g., ETH, BNB) in USD are tracked for accurate fee estimation.

codebaseFeeAtCurrentNative = dstGasLimit * dstGasPriceInWei * (dstNativePriceInUSDe18 / curNativePriceInUSDe18)

Payload Fees

Fees for transferring additional data, calculated based on the data size (in bytes) and destination gas price.

codepayloadPriceAtCurrentNative = payloadLength * dstPricePerByteInWei * (dstNativePriceInUSDe18 / curNativePriceInUSDe18)

Bridge Transaction Fees

Protocol fees for managing token transfers, covering operational costs of the Entangle Bridge.

  • Source Network Execution: Gas fees for burning or locking tokens.

  • Destination Network Execution: Gas fees for minting or unlocking tokens.

  • Protocol Fee: A flat fee deducted during the transaction.

Fee Optimization

UTS minimizes on-chain workload by performing calculations off-chain. Backend services compute values like dstGasPriceAtCurrentNative and dstPayloadPriceAtCurrentNative before passing them to the contract, reducing unnecessary costs for users.

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Last updated 2 months ago

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