diff --git a/app/src/main/java/to/bitkit/services/CoreService.kt b/app/src/main/java/to/bitkit/services/CoreService.kt
index b59c70edd1..445365a6d4 100644
--- a/app/src/main/java/to/bitkit/services/CoreService.kt
+++ b/app/src/main/java/to/bitkit/services/CoreService.kt
@@ -126,7 +126,8 @@ class CoreService @Inject constructor(
     private val settingsStore: SettingsStore,
     private val privatePaykitContactResolver: Provider<PrivatePaykitContactResolver>,
 ) {
-    private var walletIndex: Int = 0
+    internal var walletIndex: Int = 0
+        private set
 
     val activity: ActivityService by lazy {
         ActivityService(
@@ -550,8 +551,19 @@ class ActivityService(
     suspend fun getTransactionDetails(
         txid: String,
         walletId: String = defaultWalletId,
-    ): BitkitCoreTransactionDetails? = ServiceQueue.CORE.background {
-        getBitkitCoreTransactionDetails(walletId = walletId, txId = txid)
+    ): BitkitCoreTransactionDetails? {
+        val cached = ServiceQueue.CORE.background {
+            getBitkitCoreTransactionDetails(walletId = walletId, txId = txid)
+        }
+        if (cached != null) return cached
+        if (walletId != defaultWalletId || txid.length != 64 ||
+            txid.any { it !in '0'..'9' && it !in 'a'..'f' && it !in 'A'..'F' }
+        ) {
+            return null
+        }
+        return lightningService.getTransactionDetails(txid, coreService.walletIndex)?.let {
+            mapToCoreTransactionDetails(txid, it)
+        }
     }
 
     suspend fun getActivity(id: String, walletId: String = defaultWalletId): Activity? = ServiceQueue.CORE.background {
@@ -966,7 +978,9 @@ class ActivityService(
      * Returns the first address found in pre-activity metadata that matches a transaction output
      */
     private suspend fun fetchTransactionDetails(txid: String): BitkitCoreTransactionDetails? = runCatching {
-        getTransactionDetails(txid)
+        ServiceQueue.CORE.background {
+            getBitkitCoreTransactionDetails(walletId = defaultWalletId, txId = txid)
+        }
     }.onFailure {
         Logger.warn("Failed to fetch stored transaction details for '$txid'", it, context = TAG)
     }.getOrNull()
diff --git a/app/src/main/java/to/bitkit/services/LightningService.kt b/app/src/main/java/to/bitkit/services/LightningService.kt
index 78a272c4c9..576f39e576 100644
--- a/app/src/main/java/to/bitkit/services/LightningService.kt
+++ b/app/src/main/java/to/bitkit/services/LightningService.kt
@@ -1064,6 +1064,17 @@ class LightningService internal constructor(
         return original.any { it !in spendable }
     }
 
+    suspend fun getTransactionDetails(txid: String, walletIndex: Int): TransactionDetails? {
+        val originalNode = node ?: return null
+        if (currentWalletIndex != walletIndex) return null
+        val details = callOnchainSend {
+            if (currentWalletIndex != walletIndex || node !== originalNode) return@callOnchainSend null
+            originalNode.getTransactionDetails(txid)
+        }
+        if (currentWalletIndex != walletIndex || node !== originalNode) return null
+        return details
+    }
+
     suspend fun walletKnowsTransaction(txid: String): Boolean {
         val originalNode = node ?: return false
         return callOnchainSend { originalNode.getTransactionDetails(txid) != null }
diff --git a/app/src/test/java/to/bitkit/services/ActivityServicePaykitContactsTest.kt b/app/src/test/java/to/bitkit/services/ActivityServicePaykitContactsTest.kt
index 2874cd3c9d..189288e4be 100644
--- a/app/src/test/java/to/bitkit/services/ActivityServicePaykitContactsTest.kt
+++ b/app/src/test/java/to/bitkit/services/ActivityServicePaykitContactsTest.kt
@@ -499,6 +499,24 @@ class ActivityServicePaykitContactsTest : BaseUnitTest() {
         verify(contacts, never()).contactsForAddresses(any())
     }
 
+    @Test
+    fun `repeated incoming payment sync does not fetch missing node transaction details`() = coreTest {
+        val txid = "ab".repeat(32)
+        val incoming = payment().copy(kind = PaymentKind.Onchain(txid, ConfirmationStatus.Unconfirmed))
+        whenever(lightningService.getTransactionDetails(txid, 0)).thenReturn(
+            LdkTransactionDetails(15_000, emptyList(), listOf(LdkTxOutput("", "", "request-address", 15_000, 0u))),
+        )
+
+        repeat(2) {
+            sut.syncLdkNodePaymentsToActivities(listOf(incoming))
+            rows = listOf(updates.last())
+        }
+
+        assertEquals(txid, (rows.single() as Activity.Onchain).v1.txId)
+        verify(lightningService, never()).getTransactionDetails(any(), any())
+        verify(lightningService, never()).addressInfosForType(any(), any(), any(), any(), any())
+    }
+
     private suspend fun receive(vararg addresses: String) {
         whenever(lightningService.listPayments()).thenReturn(listOf(payment()))
         sut.handleOnchainTransactionReceived(
diff --git a/app/src/test/java/to/bitkit/services/ActivityServiceTest.kt b/app/src/test/java/to/bitkit/services/ActivityServiceTest.kt
index b0eb0cc4cc..d3ba32dbad 100644
--- a/app/src/test/java/to/bitkit/services/ActivityServiceTest.kt
+++ b/app/src/test/java/to/bitkit/services/ActivityServiceTest.kt
@@ -21,6 +21,7 @@ import org.mockito.ArgumentMatchers.anyString
 import org.mockito.Mockito.mockStatic
 import org.mockito.Mockito.never
 import org.mockito.kotlin.mock
+import org.mockito.kotlin.verify
 import org.mockito.kotlin.whenever
 import to.bitkit.async.ServiceQueue
 import to.bitkit.data.AppCacheData
@@ -30,7 +31,10 @@ import to.bitkit.ext.scopedActivityId
 import to.bitkit.models.WalletScope
 import to.bitkit.test.BaseUnitTest
 import kotlin.test.assertEquals
+import kotlin.test.assertNull
 import kotlin.test.assertTrue
+import com.synonym.bitkitcore.TransactionDetails as CoreTransactionDetails
+import org.lightningdevkit.ldknode.TransactionDetails as LdkTransactionDetails
 
 class ActivityServiceTest : BaseUnitTest() {
     companion object {
@@ -45,17 +49,43 @@ class ActivityServiceTest : BaseUnitTest() {
     private val markActivityAsSeen = binding.methods.single { it.name.startsWith("markActivityAsSeen") }
 
     private val cacheStore = mock<CacheStore>()
+    private val lightningService = mock<LightningService>()
+    private val coreService = mock<CoreService>()
 
     private val sut by lazy {
         ActivityService(
-            coreService = mock(),
+            coreService = coreService,
             cacheStore = cacheStore,
-            lightningService = mock(),
+            lightningService = lightningService,
             settingsStore = mock(),
             privatePaykitContactResolver = mock(),
         )
     }
 
+    @Test
+    fun `transaction detail cache misses use only the default wallets local node`() = test {
+        val txid = "ab".repeat(32)
+        val walletId = WalletScope.default
+        val stored = CoreTransactionDetails(walletId, txid, 5000L, emptyList(), emptyList())
+        val details = LdkTransactionDetails(5000L, emptyList(), emptyList())
+        val getDetails = binding.getMethod("getTransactionDetails", String::class.java, String::class.java)
+        whenever(coreService.walletIndex).thenReturn(7)
+        whenever(lightningService.getTransactionDetails(txid, 7)).thenReturn(details)
+        ServiceQueue.CORE.background {
+            mockStatic(binding).use { native ->
+                native.`when`<CoreTransactionDetails?> { getDetails.invoke(null, walletId, txid) }
+                    .thenReturn(stored, null)
+                assertEquals(stored, sut.getTransactionDetails(txid))
+                verify(lightningService, never()).getTransactionDetails(txid, 7)
+                assertEquals(stored, sut.getTransactionDetails(txid))
+                verify(lightningService).getTransactionDetails(txid, 7)
+                assertNull(sut.getTransactionDetails(txid, "hardware-wallet"))
+                assertNull(sut.getTransactionDetails("invalid"))
+                verify(lightningService, never()).getTransactionDetails("invalid", 7)
+            }
+        }
+    }
+
     @Test
     fun `markActivityAsSeen persists the timestamp through the core seen call`() = test {
         ServiceQueue.CORE.background {
diff --git a/app/src/test/java/to/bitkit/services/LightningServiceTest.kt b/app/src/test/java/to/bitkit/services/LightningServiceTest.kt
index 2e9736f816..1e183ef287 100644
--- a/app/src/test/java/to/bitkit/services/LightningServiceTest.kt
+++ b/app/src/test/java/to/bitkit/services/LightningServiceTest.kt
@@ -2,13 +2,16 @@ package to.bitkit.services
 
 import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitCancellation
 import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.withContext
 import kotlinx.coroutines.withTimeout
 import kotlinx.serialization.json.Json
@@ -34,6 +37,7 @@ import org.lightningdevkit.ldknode.PaymentDirection
 import org.lightningdevkit.ldknode.PaymentKind
 import org.lightningdevkit.ldknode.PaymentStatus
 import org.lightningdevkit.ldknode.SpendableUtxo
+import org.lightningdevkit.ldknode.TransactionDetails
 import org.mockito.kotlin.any
 import org.mockito.kotlin.anyOrNull
 import org.mockito.kotlin.doAnswer
@@ -118,6 +122,48 @@ class LightningServiceTest : BaseUnitTest() {
         sut.node = node
     }
 
+    @Test
+    fun `local transaction details cannot cross a wallet or node replacement`() = test {
+        val txid = "ab".repeat(32)
+        val details = TransactionDetails(5000L, emptyList(), emptyList())
+        whenever(node.getTransactionDetails(txid)).thenReturn(details)
+        assertNull(sut.getTransactionDetails(txid, 7))
+        verify(node, never()).getTransactionDetails(txid)
+        assertEquals(details, sut.getTransactionDetails(txid, 0))
+        whenever(node.getTransactionDetails(txid)).thenAnswer {
+            sut.node = mock()
+            details
+        }
+        assertNull(sut.getTransactionDetails(txid, 0))
+    }
+
+    @Test
+    fun `queued transaction lookup does not query a replaced node`() = test {
+        val queued = LightningService(
+            bgDispatcher = testDispatcher,
+            ioDispatcher = testDispatcher,
+            keychain = keychain,
+            vssStoreIdProvider = vssStoreIdProvider,
+            settingsStore = settingsStore,
+            watchOnlyAccountStore = watchOnlyAccountStore,
+            loggerLdk = loggerLdk,
+            watchOnlyAccountLifecycleCoordinator = watchOnlyAccountLifecycleCoordinator,
+            ldkQueue = StandardTestDispatcher(testScheduler),
+        )
+        val txid = "ab".repeat(32)
+        val replacement = mock<Node>()
+        queued.node = node
+        val lookup = async(start = CoroutineStart.UNDISPATCHED) {
+            queued.getTransactionDetails(txid, 0)
+        }
+        assertFalse(lookup.isCompleted)
+        verify(node, never()).getTransactionDetails(txid)
+        queued.node = replacement
+        assertNull(lookup.await())
+        verify(node, never()).getTransactionDetails(txid)
+        verify(replacement, never()).getTransactionDetails(txid)
+    }
+
     @Test
     fun `canReceive returns false when channel is ready but not usable`() {
         val readyButNotUsable = createChannelDetails().copy(
diff --git a/changelog.d/next/1682.fixed.md b/changelog.d/next/1682.fixed.md
new file mode 100644
index 0000000000..7050469aaf
--- /dev/null
+++ b/changelog.d/next/1682.fixed.md
@@ -0,0 +1 @@
+Show locally available transaction details for restored payments while keeping background synchronization limited to cached details.