Updated on 2026-08-14

common/src/main/kotlin/com/tangem/common/TangemBlogUrlBuilder.kt

@@ -16,14 +16,6 @@ object TangemBlogUrlBuilder {
 
         val path: String
 
-        data object SeedNotify : Post {
-            override val path: String = "seed-notify"
-        }
-
-        data object SeedNotifySecond : Post {
-            override val path: String = "tangem-resolves-log-issue"
-        }
-
         data object SeedPhraseRiskySolution : Post {
             override val path: String = "seed-phrase-faq"
         }
@@ -39,5 +31,21 @@ object TangemBlogUrlBuilder {
         data object HowToScan : Post {
             override val path: String = "scan-tangem-card"
         }
+
+        data object HowToStake : Post {
+            override val path: String = "how-to-stake-cryptocurrency"
+        }
+
+        data object GiveRevokePermission : Post {
+            override val path: String = "give-revoke-permission"
+        }
+
+        data object HowYieldModeWorks : Post {
+            override val path: String = "yield-mode"
+        }
+
+        data object AboutCrossChainBridges : Post {
+            override val path: String = "an-overview-of-cross-chain-bridges"
+        }
     }
 }

core/utils/src/main/java/com/tangem/utils/SupportedLanguages.kt

@@ -13,7 +13,7 @@ object SupportedLanguages {
     const val CHINESE = "zh"
     const val SPANISH = "es"
 
-    val supportedLangugeCodes = listOf(
+    val supportedLanguageCodes = listOf(
         ENGLISH,
         RUSSIAN,
         GERMAN,
@@ -25,10 +25,17 @@ object SupportedLanguages {
         SPANISH,
     )
 
+    /**
+     * Returns the ISO 639-1 code of the device's current language when it belongs to
+     * [supportedLanguageCodes], otherwise falls back to [ENGLISH].
+     *
+     * Intended for callers that need a plain two-letter language code (e.g. URL path segments
+     * like `tangem.com/{en|ru}/...`).
+     */
     fun getCurrentSupportedLanguageCode(): String {
         val locale = Locale.getDefault()
 
-        return if (supportedLangugeCodes.contains(locale.language)) {
+        return if (supportedLanguageCodes.contains(locale.language)) {
             locale.language
         } else {
             ENGLISH

core/utils/src/main/java/com/tangem/utils/TangemBlogUrlBuilder.kt

@@ -1,28 +0,0 @@
-package com.tangem.utils
-
-import java.util.Locale
-
-@Deprecated("Use TangemBlogUrlBuilder from common module")
-object TangemBlogUrlBuilder {
-
-    private const val RU_LOCALE = "ru"
-    private const val EN_LOCALE = "en"
-
-    private const val TANGEM_MAIN = "https://tangem.com/"
-
-    val FEE_BLOG_LINK: String
-        get(): String {
-            val locale = if (Locale.getDefault().language == RU_LOCALE) RU_LOCALE else EN_LOCALE
-            return buildString {
-                append(TANGEM_MAIN)
-                append(locale)
-                append("/blog/post/what-is-a-transaction-fee-and-why-do-we-need-it/")
-            }
-        }
-
-    const val RESOURCE_TO_LEARN_ABOUT_APPROVING_IN_SWAP = "https://tangem.com/en/blog/post/give-revoke-permission/"
-
-    const val YIELD_SUPPLY_HOW_IT_WORKS_URL = "https://tangem.com/en/blog/post/yield-mode"
-    const val YIELD_SUPPLY_TOS_URL = "https://aave.com/terms-of-service"
-    const val YIELD_SUPPLY_PRIVACY_URL = "https://aave.com/privacy-policy"
-}

core/utils/src/test/kotlin/com/tangem/utils/SupportedLanguagesTest.kt

@@ -0,0 +1,94 @@
+package com.tangem.utils
+
+import com.google.common.truth.Truth
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import java.util.Locale
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+class SupportedLanguagesTest {
+
+    private lateinit var originalLocale: Locale
+
+    @BeforeEach
+    fun setUp() {
+        originalLocale = Locale.getDefault()
+    }
+
+    @AfterEach
+    fun tearDown() {
+        Locale.setDefault(originalLocale)
+    }
+
+    @Test
+    fun `getCurrentSupportedLanguageCode returns primary language when locale is supported`() {
+        // Arrange
+        Locale.setDefault(Locale("en", "US"))
+
+        // Act
+        val actual = SupportedLanguages.getCurrentSupportedLanguageCode()
+
+        // Assert
+        Truth.assertThat(actual).isEqualTo("en")
+    }
+
+    @Test
+    fun `getCurrentSupportedLanguageCode drops region for supported language`() {
+        // Arrange
+        Locale.setDefault(Locale("zh", "CN"))
+
+        // Act
+        val actual = SupportedLanguages.getCurrentSupportedLanguageCode()
+
+        // Assert
+        Truth.assertThat(actual).isEqualTo("zh")
+    }
+
+    @Test
+    fun `getCurrentSupportedLanguageCode returns ENGLISH when locale is not supported`() {
+        // Arrange — pt (Portuguese) is not in supportedLanguageCodes
+        Locale.setDefault(Locale("pt", "BR"))
+
+        // Act
+        val actual = SupportedLanguages.getCurrentSupportedLanguageCode()
+
+        // Assert
+        Truth.assertThat(actual).isEqualTo(SupportedLanguages.ENGLISH)
+    }
+
+    @Test
+    fun `getCurrentSupportedLanguageCode returns ENGLISH for empty language`() {
+        // Arrange
+        Locale.setDefault(Locale("", ""))
+
+        // Act
+        val actual = SupportedLanguages.getCurrentSupportedLanguageCode()
+
+        // Assert
+        Truth.assertThat(actual).isEqualTo(SupportedLanguages.ENGLISH)
+    }
+
+    @Test
+    fun `getCurrentSupportedLanguageCode supports every code in supportedLanguageCodes`() {
+        SupportedLanguages.supportedLanguageCodes.forEach { code ->
+            // Arrange
+            Locale.setDefault(Locale(code))
+
+            // Act
+            val actual = SupportedLanguages.getCurrentSupportedLanguageCode()
+
+            // Assert
+            Truth.assertThat(actual).isEqualTo(code)
+        }
+    }
+
+    @Test
+    fun `supportedLanguageCodes contains the expected nine ISO 639-1 codes`() {
+        // Assert
+        Truth.assertThat(SupportedLanguages.supportedLanguageCodes)
+            .containsExactly("en", "ru", "de", "fr", "it", "ja", "uk", "zh", "es")
+            .inOrder()
+    }
+}

data/common/src/main/kotlin/com/tangem/data/common/locale/DefaultLocaleProvider.kt

@@ -1,28 +0,0 @@
-package com.tangem.data.common.locale
-
-import java.util.Locale
-
-/**
-[REDACTED_AUTHOR]
- */
-internal class DefaultLocaleProvider : LocaleProvider {
-
-    override fun getLocale(): Locale {
-        return Locale.getDefault()
-    }
-
-    override fun getWebUriLocaleLanguage(): String {
-        val language = getLocale().language
-        return if (LOCALE_LANG_RU.equals(language, true) || LOCALE_LANG_BY.equals(language, true)) {
-            LOCALE_LANG_RU
-        } else {
-            LOCALE_LANG_EN
-        }
-    }
-
-    companion object {
-        const val LOCALE_LANG_RU = "ru"
-        const val LOCALE_LANG_BY = "by"
-        const val LOCALE_LANG_EN = "en"
-    }
-}

data/common/src/main/kotlin/com/tangem/data/common/locale/LocaleProvider.kt

@@ -1,13 +0,0 @@
-package com.tangem.data.common.locale
-
-import java.util.Locale
-
-/**
-[REDACTED_AUTHOR]
- */
-interface LocaleProvider {
-
-    fun getLocale(): Locale
-
-    fun getWebUriLocaleLanguage(): String
-}

data/common/src/main/kotlin/com/tangem/data/common/locale/di/LocaleProviderModule.kt

@@ -1,20 +0,0 @@
-package com.tangem.data.common.locale.di
-
-import com.tangem.data.common.locale.DefaultLocaleProvider
-import com.tangem.data.common.locale.LocaleProvider
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
-import javax.inject.Singleton
-
-@Module
-@InstallIn(SingletonComponent::class)
-internal object LocaleProviderModule {
-
-    @Provides
-    @Singleton
-    fun provideCacheRegistry(): LocaleProvider {
-        return DefaultLocaleProvider()
-    }
-}

features/approval/impl/src/main/java/com/tangem/features/approval/impl/model/GiveApprovalModel.kt

@@ -8,6 +8,7 @@ import com.tangem.blockchain.common.TransactionData
 import com.tangem.blockchain.common.TransactionSender.MultipleTransactionSendMode
 import com.tangem.blockchain.common.transaction.Fee
 import com.tangem.blockchain.common.transaction.TransactionFee
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.ui.bottomsheet.permission.state.ApproveType
 import com.tangem.common.ui.userwallet.ext.walletInterationIcon
 import com.tangem.core.analytics.api.AnalyticsEventHandler
@@ -16,10 +17,7 @@ import com.tangem.core.analytics.models.Basic
 import com.tangem.core.decompose.di.ModelScoped
 import com.tangem.core.decompose.model.Model
 import com.tangem.core.decompose.model.ParamsContainer
-import com.tangem.core.decompose.ui.UiMessageSender
 import com.tangem.core.navigation.url.UrlOpener
-import com.tangem.core.ui.extensions.resourceReference
-import com.tangem.core.ui.message.DialogMessage
 import com.tangem.domain.models.currency.CryptoCurrency
 import com.tangem.domain.models.currency.CryptoCurrencyStatus
 import com.tangem.domain.transaction.error.GetFeeError
@@ -37,7 +35,6 @@ import com.tangem.features.approval.api.GiveApprovalComponent
 import com.tangem.features.send.v2.api.callbacks.FeeSelectorModelCallback
 import com.tangem.features.send.v2.api.entity.FeeItem
 import com.tangem.features.send.v2.api.entity.FeeSelectorUM
-import com.tangem.utils.TangemBlogUrlBuilder.RESOURCE_TO_LEARN_ABOUT_APPROVING_IN_SWAP
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import com.tangem.utils.logging.TangemLogger
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -61,7 +58,6 @@ internal class GiveApprovalModel @Inject constructor(
     private val getFeeForGaslessUseCase: GetFeeForGaslessUseCase,
     private val getFeeForTokenUseCase: GetFeeForTokenUseCase,
     private val createAndSendGaslessTransactionUseCase: CreateAndSendGaslessTransactionUseCase,
-    private val uiMessageSender: UiMessageSender,
     private val urlOpener: UrlOpener,
     private val getUserWalletUseCase: GetUserWalletUseCase,
     private val analyticsEventHandler: AnalyticsEventHandler,
@@ -119,16 +115,9 @@ internal class GiveApprovalModel @Inject constructor(
     }
 
     fun onOpenLearnMoreAboutApproveClick() {
-        urlOpener.openUrl(RESOURCE_TO_LEARN_ABOUT_APPROVING_IN_SWAP)
+        modelScope.launch {
-    }
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.GiveRevokePermission))
-
+        }
-    fun showPermissionInfoDialog() {
-        uiMessageSender.send(
-            DialogMessage(
-                message = resourceReference(com.tangem.common.ui.R.string.give_permission_staking_footer),
-                title = resourceReference(com.tangem.common.ui.R.string.common_approve),
-            ),
-        )
     }
 
     suspend fun loadFee(): Either<GetFeeError, TransactionFee> {

features/details/impl/src/main/kotlin/com/tangem/features/details/model/DetailsModel.kt

@@ -1,8 +1,6 @@
 package com.tangem.features.details.model
 
-import android.content.res.Resources
 import arrow.core.getOrElse
-import com.tangem.utils.logging.TangemLogger
 import com.tangem.common.routing.AppRoute
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.analytics.models.AnalyticsParam
@@ -37,6 +35,7 @@ import com.tangem.features.details.utils.ItemsBuilder
 import com.tangem.features.details.utils.SocialsBuilder
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import com.tangem.utils.info.AppInfoProvider
+import com.tangem.utils.logging.TangemLogger
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.launchIn
@@ -44,7 +43,6 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
-import java.util.Locale
 import javax.inject.Inject
 
 @ModelScoped
@@ -270,13 +268,4 @@ internal class DetailsModel @Inject constructor(
     }
 
     private fun getAppVersion(): String = "${appInfoProvider.appVersion} (${appInfoProvider.appVersionCode})"
-
-    private companion object {
-        val SYSTEM_LANGUAGE = runCatching { Resources.getSystem().configuration.locales[0].language }.getOrElse { "" }
-        val APP_LANGUAGE = Locale.getDefault().language
-        val UTM_MARKS = "utm_source=tangem-app" +
-            "&utm_medium=app" +
-            "&utm_campaign=users-$SYSTEM_LANGUAGE" +
-            "&utm_content=devicelang-$APP_LANGUAGE"
-    }
 }

features/staking/impl/src/main/java/com/tangem/features/staking/impl/presentation/model/StakingModel.kt

@@ -8,6 +8,7 @@ import com.arkivanov.decompose.router.slot.dismiss
 import com.tangem.blockchain.common.TransactionData
 import com.tangem.blockchain.common.transaction.Fee
 import com.tangem.blockchain.common.transaction.TransactionFee
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.getValidatorsCount
 import com.tangem.common.routing.AppRouter
 import com.tangem.common.ui.amountScreen.converters.AmountReduceByTransformer.ReduceByData
@@ -95,7 +96,6 @@ import com.tangem.features.staking.impl.presentation.state.utils.isSingleAction
 import com.tangem.features.staking.impl.presentation.state.utils.withStubUnstakeAction
 import com.tangem.lib.crypto.BlockchainUtils.isTon
 import com.tangem.utils.Provider
-import com.tangem.utils.TangemBlogUrlBuilder.RESOURCE_TO_LEARN_ABOUT_APPROVING_IN_SWAP
 import com.tangem.utils.coroutines.*
 import com.tangem.utils.extensions.isSingleItem
 import com.tangem.utils.extensions.orZero
@@ -603,7 +603,9 @@ internal class StakingModel @Inject constructor(
 
     override fun onInitialInfoBannerClick() {
         analyticsEventHandler.send(StakingAnalyticsEvent.WhatIsStaking())
-        innerRouter.openUrl(WHAT_IS_STAKING_ARTICLE_URL)
+        modelScope.launch {
+            innerRouter.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.HowToStake))
+        }
     }
 
     override fun onInfoClick(infoType: InfoType) {
@@ -1100,7 +1102,9 @@ internal class StakingModel @Inject constructor(
     }
 
     override fun onOpenLearnMoreAboutApproveClick() {
-        urlOpener.openUrl(RESOURCE_TO_LEARN_ABOUT_APPROVING_IN_SWAP)
+        modelScope.launch {
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.GiveRevokePermission))
+        }
     }
 
     override fun onActivateTonAccountNotificationClick() {
@@ -1495,7 +1499,6 @@ internal class StakingModel @Inject constructor(
     }
 
     private companion object {
-        const val WHAT_IS_STAKING_ARTICLE_URL = "https://tangem.com/en/blog/post/how-to-stake-cryptocurrency/"
         const val ALLOWANCE_UPDATE_DELAY = 10_000L
     }
 }

features/staking/impl/src/test/kotlin/com/tangem/features/staking/impl/presentation/model/StakingModelNavigationTest.kt

@@ -1,6 +1,7 @@
 package com.tangem.features.staking.impl.presentation.model
 
 import arrow.core.Either
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.core.analytics.models.Basic
 import com.tangem.core.ui.haptic.TangemHapticEffect
 import com.tangem.core.ui.message.DialogMessage
@@ -300,21 +301,24 @@ internal class StakingModelNavigationTest : StakingModelTestBase() {
 
     @Test
     fun `WHEN onInitialInfoBannerClick THEN analytics sent and url opened`() = runTest {
+        val expectedUrl = "https://tangem.com/blog/post/how-to-stake-cryptocurrency/?utm_source=tangem-app"
+        mockkObject(TangemBlogUrlBuilder)
+        coEvery { TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.HowToStake) } returns expectedUrl
         every { innerRouter.openUrl(any()) } just Runs
 
         val model = createModel(testScope = this)
         advanceUntilIdle()
 
         model.onInitialInfoBannerClick()
+        advanceUntilIdle()
 
         verify {
             analyticsEventHandler.send(match { it is StakingAnalyticsEvent.WhatIsStaking })
         }
-        verify {
+        verify { innerRouter.openUrl(expectedUrl) }
-            innerRouter.openUrl("https://tangem.com/en/blog/post/how-to-stake-cryptocurrency/")
-        }
 
         model.onDestroy()
+        unmockkObject(TangemBlogUrlBuilder)
     }
 
     @Test
@@ -478,15 +482,20 @@ internal class StakingModelNavigationTest : StakingModelTestBase() {
 
     @Test
     fun `WHEN onOpenLearnMoreAboutApproveClick THEN urlOpener opens approve url`() = runTest {
+        val expectedUrl = "https://tangem.com/blog/post/give-revoke-permission/?utm_source=tangem-app"
+        mockkObject(TangemBlogUrlBuilder)
+        coEvery { TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.GiveRevokePermission) } returns expectedUrl
         every { urlOpener.openUrl(any()) } just Runs
 
         val model = createModel(testScope = this)
         advanceUntilIdle()
 
         model.onOpenLearnMoreAboutApproveClick()
+        advanceUntilIdle()
 
-        verify { urlOpener.openUrl("https://tangem.com/en/blog/post/give-revoke-permission/") }
+        verify { urlOpener.openUrl(expectedUrl) }
 
+        unmockkObject(TangemBlogUrlBuilder)
         model.onDestroy()
     }
 }

features/swap/impl/src/main/java/com/tangem/feature/swap/model/SwapModel.kt

@@ -96,6 +96,7 @@ import com.tangem.feature.swap.utils.getContractAddress
 import com.tangem.features.approval.api.GiveApprovalComponent
 import com.tangem.features.send.v2.api.entity.FeeSelectorUM
 import com.tangem.features.send.v2.api.subcomponents.feeSelector.FeeSelectorReloadTrigger
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.features.swap.SwapComponent
 import com.tangem.utils.Provider
 import com.tangem.utils.coroutines.*
@@ -1357,12 +1358,16 @@ internal class SwapModel @Inject constructor(
                 val selectedFee = (getSelectedFee() as? TxFee.Legacy)?.feeType ?: FeeType.NORMAL
                 val txFeeState =
                     dataState.getCurrentLoadedSwapState()?.txFee as? TxFeeState.MultipleFeeState ?: return@UiActions
-                uiState = stateBuilder.showSelectFeeBottomSheet(
+                modelScope.launch {
-                    uiState = uiState,
+                    val readMoreUrl = TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.WhatIsTransactionFee)
-                    selectedFee = selectedFee,
+                    uiState = stateBuilder.showSelectFeeBottomSheet(
-                    txFeeState = txFeeState,
+                        uiState = uiState,
-                ) {
+                        selectedFee = selectedFee,
-                    uiState = stateBuilder.dismissBottomSheet(uiState)
+                        txFeeState = txFeeState,
+                        readMoreUrl = readMoreUrl,
+                    ) {
+                        uiState = stateBuilder.dismissBottomSheet(uiState)
+                    }
                 }
             },
             onSelectFeeType = { txFee ->

features/swap/impl/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt

@@ -37,7 +37,6 @@ import com.tangem.utils.Provider
 import com.tangem.utils.StringsSigns
 import com.tangem.utils.StringsSigns.DASH_SIGN
 import com.tangem.utils.StringsSigns.TILDE_SIGN
-import com.tangem.utils.TangemBlogUrlBuilder.FEE_BLOG_LINK
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
@@ -984,6 +983,7 @@ internal class StateBuilder(
         uiState: SwapStateHolder,
         selectedFee: FeeType,
         txFeeState: TxFeeState.MultipleFeeState,
+        readMoreUrl: String,
         onDismiss: () -> Unit,
     ): SwapStateHolder {
         val config = ChooseFeeBottomSheetConfig(
@@ -995,7 +995,7 @@ internal class StateBuilder(
                 }
                 actions.onSelectFeeType.invoke(selectedItem)
             },
-            readMoreUrl = FEE_BLOG_LINK,
+            readMoreUrl = readMoreUrl,
             feeItems = txFeeState.toFeeItemState(),
             readMore = resourceReference(R.string.common_read_more),
             onReadMoreClick = actions.onLinkClick,

features/tokendetails/impl/src/main/kotlin/com/tangem/feature/tokendetails/presentation/tokendetails/model/ExpressTransactionsModel.kt

@@ -2,6 +2,7 @@ package com.tangem.feature.tokendetails.presentation.tokendetails.model
 
 import androidx.compose.runtime.Stable
 import arrow.core.getOrElse
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.ui.expressStatus.ExpressStatusBottomSheetConfig
 import com.tangem.common.ui.expressStatus.state.ExpressTransactionStateUM
 import com.tangem.common.ui.expressStatus.state.ExpressTransactionsBlockState
@@ -114,6 +115,12 @@ internal class ExpressTransactionsModel @Inject constructor(
         router.openUrl(url)
     }
 
+    override fun onReadAboutCrossChainBridgesClick() {
+        modelScope.launch {
+            router.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.AboutCrossChainBridges))
+        }
+    }
+
     override fun onConfirmDisposeExpressStatus() {
         uiMessageSender.send(
             DialogMessage(

features/tokendetails/impl/src/main/kotlin/com/tangem/feature/tokendetails/presentation/tokendetails/model/TokenDetailsClickIntents.kt

@@ -100,6 +100,8 @@ interface ExpressTransactionsClickIntents {
 
     fun onOpenUrlClick(url: String)
 
+    fun onReadAboutCrossChainBridgesClick()
+
     fun onConfirmDisposeExpressStatus()
 
     fun onDisposeExpressStatus()

features/tokendetails/impl/src/main/kotlin/com/tangem/feature/tokendetails/presentation/tokendetails/model/TokenDetailsModel.kt

@@ -13,6 +13,7 @@ import com.tangem.domain.dynamicaddresses.DynamicAddressesDerivationChecker
 import com.tangem.domain.dynamicaddresses.DynamicAddressesFeatureToggles
 import com.tangem.domain.dynamicaddresses.DynamicAddressesSupportedBlockchains
 import com.tangem.domain.dynamicaddresses.IsXpubSupportedUseCase
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.routing.AppRoute
 import com.tangem.common.routing.AppRouter
 import com.tangem.common.ui.bottomsheet.receive.AddressModel
@@ -960,6 +961,12 @@ internal class TokenDetailsModel @Inject constructor(
         router.openUrl(url)
     }
 
+    override fun onReadAboutCrossChainBridgesClick() {
+        modelScope.launch {
+            router.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.AboutCrossChainBridges))
+        }
+    }
+
     override fun onSwapPromoDismiss(promoId: PromoId) {
         modelScope.launch(dispatchers.main) {
             shouldShowPromoTokenUseCase.neverToShow(promoId)

features/tokendetails/impl/src/main/kotlin/com/tangem/feature/tokendetails/presentation/tokendetails/state/factory/TokenDetailsSwapTransactionsStateConverter.kt

@@ -39,7 +39,6 @@ import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toPersistentList
 import com.tangem.utils.logging.TangemLogger
 import java.math.BigDecimal
-import java.util.Locale
 
 // Fixme [REDACTED_JIRA]
 @Suppress("LargeClass")
@@ -232,7 +231,7 @@ internal class TokenDetailsSwapTransactionsStateConverter(
                 } else {
                     ExchangeStatusNotification.TokenRefunded(
                         cryptoCurrency = refundToken,
-                        onReadMoreClick = { clickIntents.onOpenUrlClick(url = getAboutCrossChainBridgesLink()) },
+                        onReadMoreClick = clickIntents::onReadAboutCrossChainBridgesClick,
                         onGoToTokenClick = { clickIntents.onGoToRefundedTokenClick(refundToken) },
                     )
                 }
@@ -424,12 +423,4 @@ internal class TokenDetailsSwapTransactionsStateConverter(
             isDone = isSendingDone,
         )
     }
-
-    private fun getAboutCrossChainBridgesLink(): String {
-        return if (Locale.getDefault().country == "RU") {
-            "https://tangem.com/ru/blog/post/an-overview-of-cross-chain-bridges/"
-        } else {
-            "https://tangem.com/en/blog/post/an-overview-of-cross-chain-bridges/"
-        }
-    }
 }

features/walletconnect/impl/src/main/kotlin/com/tangem/features/walletconnect/transaction/model/WcSendTransactionModel.kt

@@ -12,6 +12,7 @@ import com.domain.blockaid.models.transaction.SimulationResult
 import com.domain.blockaid.models.transaction.ValidationResult
 import com.tangem.blockchain.common.TransactionData
 import com.tangem.blockchain.common.transaction.TransactionFee
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.decompose.di.ModelScoped
 import com.tangem.core.decompose.model.Model
@@ -59,7 +60,6 @@ import com.tangem.features.walletconnect.transaction.entity.send.WcSendTransacti
 import com.tangem.features.walletconnect.transaction.routes.WcTransactionRoutes
 import com.tangem.features.walletconnect.transaction.ui.blockaid.WcSendAndReceiveBlockAidUiConverter
 import com.tangem.features.walletconnect.utils.WcNotificationsFactory
-import com.tangem.utils.SupportedLanguages
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
@@ -301,14 +301,10 @@ internal class WcSendTransactionModel @Inject constructor(
         stackNavigation.pop()
     }
 
-    @Deprecated("Use TangemBlockUrlBuilder instead")
     private fun onApproveLearnMoreClick() {
-        val code = SupportedLanguages.getCurrentSupportedLanguageCode()
+        modelScope.launch {
-            .takeIf { it == SupportedLanguages.RUSSIAN }
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.GiveRevokePermission))
-            ?: SupportedLanguages.ENGLISH
+        }
-
-        val url = "https://tangem.com/$code/blog/post/give-revoke-permission/"
-        urlOpener.openUrl(url)
     }
 
     private fun isMultipleSignRequired(useCase: WcSignUseCase<*>): Boolean {

features/yield-supply/impl/src/main/java/com/tangem/features/yield/supply/impl/active/model/YieldSupplyActiveModel.kt

@@ -4,6 +4,7 @@ import arrow.core.getOrElse
 import com.arkivanov.decompose.router.slot.SlotNavigation
 import com.arkivanov.decompose.router.slot.activate
 import com.arkivanov.decompose.router.slot.dismiss
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.routing.AppRouter
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.decompose.di.ModelScoped
@@ -34,13 +35,12 @@ import com.tangem.features.yield.supply.impl.active.model.transformers.YieldSupp
 import com.tangem.features.yield.supply.impl.subcomponents.approve.YieldSupplyApproveComponent
 import com.tangem.features.yield.supply.impl.subcomponents.stopearning.YieldSupplyStopEarningComponent
 import com.tangem.utils.StringsSigns.DASH_SIGN
-import com.tangem.utils.TangemBlogUrlBuilder
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import com.tangem.utils.logging.TangemLogger
 import com.tangem.utils.transformer.update
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
-import com.tangem.utils.logging.TangemLogger
 import javax.inject.Inject
 
 @Suppress("LongParameterList", "LargeClass")
@@ -160,7 +160,9 @@ internal class YieldSupplyActiveModel @Inject constructor(
     }
 
     fun onReadMoreClick() {
-        urlOpener.openUrl(TangemBlogUrlBuilder.YIELD_SUPPLY_HOW_IT_WORKS_URL)
+        modelScope.launch {
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.HowYieldModeWorks))
+        }
     }
 
     private fun subscribeOnCurrencyStatusUpdates() {

features/yield-supply/impl/src/main/java/com/tangem/features/yield/supply/impl/promo/model/YieldSupplyPromoModel.kt

@@ -2,6 +2,7 @@ package com.tangem.features.yield.supply.impl.promo.model
 
 import com.arkivanov.decompose.router.slot.SlotNavigation
 import com.arkivanov.decompose.router.slot.activate
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.routing.AppRouter
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.decompose.di.ModelScoped
@@ -11,13 +12,12 @@ import com.tangem.core.navigation.url.UrlOpener
 import com.tangem.core.ui.extensions.resourceReference
 import com.tangem.core.ui.extensions.wrappedList
 import com.tangem.features.yield.supply.api.YieldSupplyPromoComponent
-import com.tangem.features.yield.supply.impl.R
 import com.tangem.features.yield.supply.api.analytics.YieldSupplyAnalytics
+import com.tangem.features.yield.supply.impl.R
 import com.tangem.features.yield.supply.impl.promo.YieldSupplyPromoConfig
 import com.tangem.features.yield.supply.impl.promo.entity.YieldSupplyPromoUM
-import com.tangem.utils.TangemBlogUrlBuilder
-import com.tangem.utils.TangemBlogUrlBuilder.YIELD_SUPPLY_HOW_IT_WORKS_URL
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @ModelScoped
@@ -32,8 +32,8 @@ internal class YieldSupplyPromoModel @Inject constructor(
     val params: YieldSupplyPromoComponent.Params = paramsContainer.require()
 
     val uiState: YieldSupplyPromoUM = YieldSupplyPromoUM(
-        tosLink = TangemBlogUrlBuilder.YIELD_SUPPLY_TOS_URL,
+        tosLink = AAVE_TOS_URL,
-        policyLink = TangemBlogUrlBuilder.YIELD_SUPPLY_PRIVACY_URL,
+        policyLink = AAVE_PRIVACY_URL,
         tokenSymbol = params.currency.symbol,
         title = resourceReference(
             R.string.yield_module_promo_screen_title_v2,
@@ -69,10 +69,17 @@ internal class YieldSupplyPromoModel @Inject constructor(
     }
 
     override fun onHowItWorksClick() {
-        urlOpener.openUrl(YIELD_SUPPLY_HOW_IT_WORKS_URL)
+        modelScope.launch {
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.HowYieldModeWorks))
+        }
     }
 
     override fun onStartEarningClick() {
         bottomSheetNavigation.activate(YieldSupplyPromoConfig.Action)
     }
+
+    private companion object {
+        const val AAVE_TOS_URL = "https://aave.com/terms-of-service"
+        const val AAVE_PRIVACY_URL = "https://aave.com/privacy-policy"
+    }
 }

features/yield-supply/impl/src/main/java/com/tangem/features/yield/supply/impl/subcomponents/approve/model/YieldSupplyApproveModel.kt

@@ -3,6 +3,7 @@ package com.tangem.features.yield.supply.impl.subcomponents.approve.model
 import arrow.core.getOrElse
 import com.tangem.blockchain.common.TransactionData
 import com.tangem.blockchain.common.transaction.TransactionFee
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.ui.components.currency.icon.converter.CryptoCurrencyToIconStateConverter
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.analytics.models.AnalyticsParam
@@ -39,7 +40,6 @@ import com.tangem.features.yield.supply.impl.subcomponents.approve.YieldSupplyAp
 import com.tangem.features.yield.supply.impl.subcomponents.notifications.YieldSupplyNotificationsComponent
 import com.tangem.features.yield.supply.impl.subcomponents.notifications.YieldSupplyNotificationsUpdateTrigger
 import com.tangem.features.yield.supply.impl.subcomponents.notifications.entity.YieldSupplyNotificationData
-import com.tangem.utils.TangemBlogUrlBuilder
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import com.tangem.utils.logging.TangemLogger
 import com.tangem.utils.transformer.update
@@ -113,7 +113,9 @@ internal class YieldSupplyApproveModel @Inject constructor(
     }
 
     fun onReadMoreClick() {
-        urlOpener.openUrl(TangemBlogUrlBuilder.FEE_BLOG_LINK)
+        modelScope.launch {
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.WhatIsTransactionFee))
+        }
     }
 
     override fun onFeeReload() {

features/yield-supply/impl/src/main/java/com/tangem/features/yield/supply/impl/subcomponents/stopearning/model/YieldSupplyStopEarningModel.kt

@@ -1,6 +1,7 @@
 package com.tangem.features.yield.supply.impl.subcomponents.stopearning.model
 
 import arrow.core.getOrElse
+import com.tangem.common.TangemBlogUrlBuilder
 import com.tangem.common.ui.components.currency.icon.converter.CryptoCurrencyToIconStateConverter
 import com.tangem.core.analytics.api.AnalyticsEventHandler
 import com.tangem.core.analytics.models.AnalyticsParam
@@ -39,7 +40,6 @@ import com.tangem.features.yield.supply.impl.subcomponents.notifications.YieldSu
 import com.tangem.features.yield.supply.impl.subcomponents.notifications.entity.YieldSupplyNotificationData
 import com.tangem.features.yield.supply.impl.subcomponents.stopearning.YieldSupplyStopEarningComponent
 import com.tangem.features.yield.supply.impl.subcomponents.stopearning.model.transformer.YieldSupplyStopEarningFeeContentTransformer
-import com.tangem.utils.TangemBlogUrlBuilder
 import com.tangem.utils.coroutines.CoroutineDispatcherProvider
 import com.tangem.utils.extensions.orZero
 import com.tangem.utils.logging.TangemLogger
@@ -128,7 +128,9 @@ internal class YieldSupplyStopEarningModel @Inject constructor(
     }
 
     fun onReadMoreClick() {
-        urlOpener.openUrl(TangemBlogUrlBuilder.FEE_BLOG_LINK)
+        modelScope.launch {
+            urlOpener.openUrl(TangemBlogUrlBuilder.build(TangemBlogUrlBuilder.Post.WhatIsTransactionFee))
+        }
     }
 
     fun onClick() {