diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/SignCredentialsService.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/SignCredentialsService.kt
deleted file mode 100644
index 5b1955db..00000000
--- a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/SignCredentialsService.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.wavesenterprise.sdk.tx.signer.node
-
-import com.wavesenterprise.sdk.node.domain.Address
-import com.wavesenterprise.sdk.node.domain.Password
-
-interface SignCredentialsService {
-    fun senderAddress(): Address
-    fun password(): Password
-}
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSigner.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSigner.kt
index ffbd4105..3b3e380c 100644
--- a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSigner.kt
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSigner.kt
@@ -4,14 +4,15 @@ import com.wavesenterprise.sdk.node.domain.blocking.tx.TxService
 import com.wavesenterprise.sdk.node.domain.sign.SignRequest
 import com.wavesenterprise.sdk.node.domain.tx.Tx
 import com.wavesenterprise.sdk.tx.signer.TxSigner
+import com.wavesenterprise.sdk.tx.signer.node.credentials.SignCredentialsProvider
 
 class TxServiceTxSigner(
     private val txService: TxService,
-    private val signCredentialsService: SignCredentialsService,
+    private val signCredentialsProvider: SignCredentialsProvider,
 ) : TxSigner {
     override fun <T : Tx> sign(signRequest: SignRequest<T>): T = txService.sign(
         signRequest
-            .withAddress(signCredentialsService.senderAddress())
-            .withPassword(signCredentialsService.password())
+            .withAddress(signCredentialsProvider.credentials().senderAddress)
+            .withPassword(signCredentialsProvider.credentials().password)
     )
 }
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/Credentials.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/Credentials.kt
new file mode 100644
index 00000000..099ffdcb
--- /dev/null
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/Credentials.kt
@@ -0,0 +1,9 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+import com.wavesenterprise.sdk.node.domain.Address
+import com.wavesenterprise.sdk.node.domain.Password
+
+data class Credentials(
+    val senderAddress: Address,
+    val password: Password,
+)
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/DefaultSignCredentialsProvider.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/DefaultSignCredentialsProvider.kt
new file mode 100644
index 00000000..11638a47
--- /dev/null
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/DefaultSignCredentialsProvider.kt
@@ -0,0 +1,8 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+class DefaultSignCredentialsProvider(
+    private val credentials: Credentials,
+) : SignCredentialsProvider {
+
+    override fun credentials(): Credentials = credentials
+}
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SignCredentialsProvider.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SignCredentialsProvider.kt
new file mode 100644
index 00000000..dc0eb311
--- /dev/null
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SignCredentialsProvider.kt
@@ -0,0 +1,5 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+interface SignCredentialsProvider {
+    fun credentials(): Credentials
+}
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SpecifiedCredentials.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SpecifiedCredentials.kt
new file mode 100644
index 00000000..a6fad8a1
--- /dev/null
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/SpecifiedCredentials.kt
@@ -0,0 +1,5 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+interface SpecifiedCredentials {
+    fun <T> withCredentials(creds: Credentials, fn: () -> T): T
+}
diff --git a/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/ThreadLocalSignCredentialsProvider.kt b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/ThreadLocalSignCredentialsProvider.kt
new file mode 100644
index 00000000..fd67afdf
--- /dev/null
+++ b/we-tx-signer/we-tx-signer-node/src/main/kotlin/com/wavesenterprise/sdk/tx/signer/node/credentials/ThreadLocalSignCredentialsProvider.kt
@@ -0,0 +1,15 @@
+package com.wavesenterprise.sdk.tx.signer.node.credentials
+
+class ThreadLocalSignCredentialsProvider : SignCredentialsProvider, SpecifiedCredentials {
+    private val threadLocal: ThreadLocal<Credentials> = ThreadLocal()
+
+    override fun <T> withCredentials(creds: Credentials, fn: () -> T): T =
+        try {
+            threadLocal.set(creds)
+            fn()
+        } finally {
+            threadLocal.remove()
+        }
+
+    override fun credentials(): Credentials = requireNotNull(threadLocal.get()) { "Credentials haven't been set" }
+}
diff --git a/we-tx-signer/we-tx-signer-node/src/test/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSignerTest.kt b/we-tx-signer/we-tx-signer-node/src/test/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSignerTest.kt
index 6cc42903..2d704d0c 100644
--- a/we-tx-signer/we-tx-signer-node/src/test/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSignerTest.kt
+++ b/we-tx-signer/we-tx-signer-node/src/test/kotlin/com/wavesenterprise/sdk/tx/signer/node/TxServiceTxSignerTest.kt
@@ -6,6 +6,8 @@ import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.address
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.createContractSignRequest
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.createContractTx
 import com.wavesenterprise.sdk.node.test.data.TestDataFactory.Companion.password
+import com.wavesenterprise.sdk.tx.signer.node.credentials.Credentials
+import com.wavesenterprise.sdk.tx.signer.node.credentials.SignCredentialsProvider
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
 import io.mockk.junit5.MockKExtension
@@ -21,19 +23,18 @@ internal class TxServiceTxSignerTest {
     lateinit var txServiceTxSigner: TxServiceTxSigner
 
     @MockK
-    lateinit var signCredentialsService: SignCredentialsService
+    lateinit var signCredentialsProvider: SignCredentialsProvider
 
     @MockK
     lateinit var txService: TxService
 
     @BeforeEach
     fun initMocks() {
-        every { signCredentialsService.senderAddress() } returns senderAddress
-        every { signCredentialsService.password() } returns password
+        every { signCredentialsProvider.credentials() } returns credentials
 
         txServiceTxSigner = TxServiceTxSigner(
             txService = txService,
-            signCredentialsService = signCredentialsService,
+            signCredentialsProvider = signCredentialsProvider,
         )
     }
 
@@ -51,7 +52,9 @@ internal class TxServiceTxSignerTest {
     }
 
     companion object {
-        val senderAddress = address()
-        val password = password()
+        private val senderAddress = address()
+        private val password = password()
+
+        val credentials = Credentials(senderAddress, password)
     }
 }