# TransactionRequestFee
## Enum Variants
| String | - **For UTXO-based blockchains**, the fee per bytes in the asset's smallest unit (Satoshi, Latoshi, etc.). - **For Ripple**, the fee for the transaction. Note: - Fireblocks recommends using a numeric string for more precision. Although a number input exists, it is deprecated. |
| f64 | - **For UTXO-based blockchains**, the fee per bytes in the asset's smallest unit (Satoshi, Latoshi, etc.). - **For Ripple**, the fee for the transaction. Note: - Fireblocks recommends using a numeric string for more precision. Although a number input exists, it is deprecated. |
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