diff --git a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/FeeConverter.kt b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/FeeConverter.kt
index 42ed64cd0e..449c2f6f43 100644
--- a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/FeeConverter.kt
+++ b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/FeeConverter.kt
@@ -41,7 +41,6 @@ internal class FeeConverter(
     private val kaspaCustomFeeConverter by lazy(LazyThreadSafetyMode.NONE) {
         KaspaCustomFeeConverter(
             clickIntents = clickIntents,
-            stateRouterProvider = stateRouterProvider,
             appCurrencyProvider = appCurrencyProvider,
             feeCryptoCurrencyStatusProvider = feeCryptoCurrencyStatusProvider,
         )
diff --git a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/SendFeeCustomFieldConverter.kt b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/SendFeeCustomFieldConverter.kt
index 5902d63552..25849d36f7 100644
--- a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/SendFeeCustomFieldConverter.kt
+++ b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/SendFeeCustomFieldConverter.kt
@@ -42,7 +42,6 @@ internal class SendFeeCustomFieldConverter(
     private val kaspaCustomFeeConverter by lazy(LazyThreadSafetyMode.NONE) {
         KaspaCustomFeeConverter(
             clickIntents = clickIntents,
-            stateRouterProvider = stateRouterProvider,
             appCurrencyProvider = appCurrencyProvider,
             feeCryptoCurrencyStatusProvider = feeCryptoCurrencyStatusProvider,
         )
@@ -74,7 +73,6 @@ internal class SendFeeCustomFieldConverter(
                 customValues = feeSelectorState.customValues,
                 index = index,
                 value = value,
-                utxoCount = fee.utxoCount,
             )
             else -> feeSelectorState.customValues
         },
diff --git a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/custom/KaspaCustomFeeConverter.kt b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/custom/KaspaCustomFeeConverter.kt
index 05b117547d..a85d1bb97e 100644
--- a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/custom/KaspaCustomFeeConverter.kt
+++ b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/fee/custom/KaspaCustomFeeConverter.kt
@@ -12,8 +12,6 @@ import com.tangem.core.ui.utils.parseToBigDecimal
 import com.tangem.domain.appcurrency.model.AppCurrency
 import com.tangem.domain.tokens.model.CryptoCurrencyStatus
 import com.tangem.features.send.impl.R
-import com.tangem.features.send.impl.presentation.state.StateRouter
-import com.tangem.features.send.impl.presentation.state.fee.checkExceedBalance
 import com.tangem.features.send.impl.presentation.state.fields.SendTextField
 import com.tangem.features.send.impl.presentation.viewmodel.SendClickIntents
 import com.tangem.utils.Provider
@@ -24,7 +22,6 @@ import java.math.RoundingMode
 
 internal class KaspaCustomFeeConverter(
     private val clickIntents: SendClickIntents,
-    private val stateRouterProvider: Provider<StateRouter>,
     private val appCurrencyProvider: Provider<AppCurrency>,
     private val feeCryptoCurrencyStatusProvider: Provider<CryptoCurrencyStatus?>,
 ) : CustomFeeConverter<Fee.Kaspa> {
@@ -53,29 +50,6 @@ internal class KaspaCustomFeeConverter(
                     ),
                     keyboardActions = KeyboardActions(),
                 ),
-                SendTextField.CustomFee(
-                    value = value.valuePerUtxo.parseBigDecimal(value.amount.decimals),
-                    decimals = value.amount.decimals,
-                    symbol = "",
-                    title = resourceReference(R.string.send_custom_kaspa_per_utxo_title),
-                    footer = resourceReference(R.string.send_custom_kaspa_per_utxo_footer),
-                    onValueChange = { clickIntents.onCustomFeeValueChange(FEE_VALUE_PER_UTXO_INDEX, it) },
-                    keyboardOptions = KeyboardOptions(
-                        imeAction = if (checkExceedBalance(
-                                feeBalance = feeCurrency?.amount,
-                                feeAmount = feeValue,
-                            )
-                        ) {
-                            ImeAction.None
-                        } else {
-                            ImeAction.Done
-                        },
-                        keyboardType = KeyboardType.Number,
-                    ),
-                    keyboardActions = KeyboardActions(
-                        onDone = { clickIntents.onNextClick(stateRouterProvider().isEditState) },
-                    ),
-                ),
             )
         } else {
             persistentListOf()
@@ -83,12 +57,15 @@ internal class KaspaCustomFeeConverter(
     }
 
     override fun convertBack(normalFee: Fee.Kaspa, value: ImmutableList<SendTextField.CustomFee>): Fee.Kaspa {
-        val feeAmount = value[FEE_AMOUNT_INDEX].value.parseToBigDecimal(value[FEE_AMOUNT_INDEX].decimals)
-        val valuePerUtxo =
-            value[FEE_VALUE_PER_UTXO_INDEX].value.parseToBigDecimal(value[FEE_VALUE_PER_UTXO_INDEX].decimals)
+        val decimals = value[FEE_AMOUNT_INDEX].decimals
+        val feeAmount = value[FEE_AMOUNT_INDEX].value.parseToBigDecimal(decimals)
         return normalFee.copy(
             amount = normalFee.amount.copy(value = feeAmount),
-            valuePerUtxo = valuePerUtxo,
+            mass = normalFee.mass,
+            feeRate = feeAmount
+                .divide(normalFee.mass.toBigDecimal(), decimals, RoundingMode.HALF_UP)
+                .movePointRight(decimals)
+                .toBigInteger(),
         )
     }
 
@@ -96,24 +73,12 @@ internal class KaspaCustomFeeConverter(
         customValues: ImmutableList<SendTextField.CustomFee>,
         index: Int,
         value: String,
-        utxoCount: Int,
     ): ImmutableList<SendTextField.CustomFee> {
         val mutableCustomValues = customValues.toMutableList()
         return mutableCustomValues.apply {
             when (index) {
                 FEE_AMOUNT_INDEX -> {
                     val valueDecimal = value.parseToBigDecimal(this[FEE_AMOUNT_INDEX].decimals)
-                    val newValuePerUtxo = valueDecimal.divide(
-                        /* divisor = */ utxoCount.toBigDecimal(),
-                        /* scale = */ this[FEE_VALUE_PER_UTXO_INDEX].decimals,
-                        /* roundingMode = */ RoundingMode.HALF_UP,
-                    )
-                    set(
-                        FEE_VALUE_PER_UTXO_INDEX,
-                        this[FEE_VALUE_PER_UTXO_INDEX].copy(
-                            value = newValuePerUtxo.parseBigDecimal(this[FEE_VALUE_PER_UTXO_INDEX].decimals),
-                        ),
-                    )
                     set(
                         index,
                         this[index].copy(
@@ -126,28 +91,11 @@ internal class KaspaCustomFeeConverter(
                         ),
                     )
                 }
-                FEE_VALUE_PER_UTXO_INDEX -> {
-                    val valuePerUtxo = value.parseToBigDecimal(this[FEE_VALUE_PER_UTXO_INDEX].decimals)
-                    val newFeeAmount = valuePerUtxo.multiply(utxoCount.toBigDecimal())
-                    set(
-                        FEE_AMOUNT_INDEX,
-                        this[FEE_AMOUNT_INDEX].copy(
-                            value = newFeeAmount.parseBigDecimal(this[FEE_AMOUNT_INDEX].decimals),
-                            label = getFiatReference(
-                                rate = feeCryptoCurrencyStatusProvider()?.value?.fiatRate,
-                                value = newFeeAmount,
-                                appCurrency = appCurrencyProvider(),
-                            ),
-                        ),
-                    )
-                    set(index, this[index].copy(value = value))
-                }
             }
         }.toImmutableList()
     }
 
     private companion object {
         private const val FEE_AMOUNT_INDEX = 0
-        private const val FEE_VALUE_PER_UTXO_INDEX = 1
     }
 }
\ No newline at end of file
diff --git a/gradle/dependencies.toml b/gradle/dependencies.toml
index e6b1b027d1..c009175e70 100644
--- a/gradle/dependencies.toml
+++ b/gradle/dependencies.toml
@@ -89,7 +89,7 @@ markdownComposeView = "0.5.4"
 # endregion Other libraries
 
 # region Tangem
-tangemBlockchainSdk = "develop-770"
+tangemBlockchainSdk = "develop-775"
 #tangemBlockchainSdk = "0.0.1" # Keep it! - used for local builds
 tangemCardSdk = "develop-381"
 #tangemCardSdk = "0.0.1" # Keep it! - used for local builds ^