diff --git a/BankingPersistence/build.gradle.kts b/BankingPersistence/build.gradle.kts
new file mode 100644
index 0000000..0f13d0d
--- /dev/null
+++ b/BankingPersistence/build.gradle.kts
@@ -0,0 +1,108 @@
+plugins {
+    alias(libs.plugins.kotlinMultiplatform)
+
+    alias(libs.plugins.androidLibrary)
+
+    alias(libs.plugins.sqldelight)
+}
+
+
+kotlin {
+    jvmToolchain(11)
+
+    jvm()
+
+    js {
+        moduleName = "BankingPersistence"
+        binaries.executable()
+
+        browser()
+    }
+
+    androidTarget {
+
+    }
+
+
+    listOf(
+        iosX64(),
+        iosArm64(),
+        iosSimulatorArm64()
+    ).forEach { iosTarget ->
+        iosTarget.binaries.framework {
+            baseName = "ComposeApp"
+            isStatic = false
+        }
+    }
+
+    applyDefaultHierarchyTemplate()
+
+
+    sourceSets {
+        commonMain.dependencies {
+            implementation(libs.sqldelight.runtime)
+            implementation(libs.sqldelight.coroutines.extensions)
+            implementation(libs.sqldelight.paging.extensions)
+        }
+
+        commonTest.dependencies {
+            implementation(libs.kotlin.test)
+
+            implementation(libs.coroutines.test)
+        }
+
+        androidMain.dependencies {
+            implementation(libs.sqldelight.android.driver)
+        }
+
+        iosMain.dependencies {
+            implementation(libs.sqldelight.native.driver)
+        }
+
+        jvmTest.dependencies {
+            implementation(libs.kotlin.test.junit)
+        }
+
+        jvmMain.dependencies {
+            implementation(libs.sqldelight.sqlite.driver)
+        }
+    }
+}
+
+
+sqldelight {
+    databases {
+        create("BankmeisterDb") {
+            packageName.set("net.codinux.banking.persistence")
+            generateAsync = true
+
+            schemaOutputDirectory = file("src/commonMain/sqldelight/databases")
+        }
+    }
+}
+
+
+android {
+    namespace = "net.codinux.banking.persistence"
+    compileSdk = libs.versions.android.compileSdk.get().toInt()
+
+//    sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
+
+    defaultConfig {
+        minSdk = libs.versions.android.minSdk.get().toInt()
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+//            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
\ No newline at end of file
diff --git a/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/AndroidContext.kt b/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/AndroidContext.kt
new file mode 100644
index 0000000..fc52aa3
--- /dev/null
+++ b/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/AndroidContext.kt
@@ -0,0 +1,7 @@
+package net.codinux.banking.persistence
+
+import android.content.Context
+
+object AndroidContext {
+    lateinit var applicationContext: Context
+}
\ No newline at end of file
diff --git a/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/BankingRepository.android.kt b/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/BankingRepository.android.kt
new file mode 100644
index 0000000..a573509
--- /dev/null
+++ b/BankingPersistence/src/androidMain/kotlin/net/codinux/banking/persistence/BankingRepository.android.kt
@@ -0,0 +1,10 @@
+package net.codinux.banking.persistence
+
+import app.cash.sqldelight.async.coroutines.synchronous
+import app.cash.sqldelight.db.QueryResult
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.db.SqlSchema
+import app.cash.sqldelight.driver.android.AndroidSqliteDriver
+
+actual fun createSqlDriverDriver(dbName: String, schema: SqlSchema<QueryResult.AsyncValue<Unit>>, version: Long): SqlDriver =
+    AndroidSqliteDriver(schema.synchronous(), AndroidContext.applicationContext, dbName)
\ No newline at end of file
diff --git a/BankingPersistence/src/commonMain/kotlin/net/codinux/banking/persistence/BankingRepositoryNewStart.kt b/BankingPersistence/src/commonMain/kotlin/net/codinux/banking/persistence/BankingRepositoryNewStart.kt
new file mode 100644
index 0000000..b4b5d3a
--- /dev/null
+++ b/BankingPersistence/src/commonMain/kotlin/net/codinux/banking/persistence/BankingRepositoryNewStart.kt
@@ -0,0 +1,16 @@
+package net.codinux.banking.persistence
+
+import app.cash.sqldelight.db.QueryResult
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.db.SqlSchema
+
+expect fun createSqlDriverDriver(dbName: String, schema: SqlSchema<QueryResult.AsyncValue<Unit>>, version: Long): SqlDriver
+
+
+class BankingRepositoryNewStart {
+
+    private val schema = BankmeisterDb.Schema
+
+    private val sqlDriver = createSqlDriverDriver("Bankmeister.db", schema, 1L)
+
+}
\ No newline at end of file
diff --git a/BankingPersistence/src/iosMain/kotlin/net/codinux/banking/persistence/BankingRepository.ios.kt b/BankingPersistence/src/iosMain/kotlin/net/codinux/banking/persistence/BankingRepository.ios.kt
new file mode 100644
index 0000000..1480a6d
--- /dev/null
+++ b/BankingPersistence/src/iosMain/kotlin/net/codinux/banking/persistence/BankingRepository.ios.kt
@@ -0,0 +1,10 @@
+package net.codinux.banking.persistence
+
+import app.cash.sqldelight.async.coroutines.synchronous
+import app.cash.sqldelight.db.QueryResult
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.db.SqlSchema
+import app.cash.sqldelight.driver.native.NativeSqliteDriver
+
+actual fun createSqlDriverDriver(dbName: String, schema: SqlSchema<QueryResult.AsyncValue<Unit>>, version: Long): SqlDriver =
+    NativeSqliteDriver(schema.synchronous(), dbName)
\ No newline at end of file
diff --git a/BankingPersistence/src/jsMain/kotlin/net/codinux/banking/persistence/BankingRepository.js.kt b/BankingPersistence/src/jsMain/kotlin/net/codinux/banking/persistence/BankingRepository.js.kt
new file mode 100644
index 0000000..e9fa8f1
--- /dev/null
+++ b/BankingPersistence/src/jsMain/kotlin/net/codinux/banking/persistence/BankingRepository.js.kt
@@ -0,0 +1,9 @@
+package net.codinux.banking.persistence
+
+import app.cash.sqldelight.db.QueryResult
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.db.SqlSchema
+
+actual fun createSqlDriverDriver(dbName: String, schema: SqlSchema<QueryResult.AsyncValue<Unit>>, version: Long): SqlDriver {
+    throw NotImplementedError("TODO")
+}
\ No newline at end of file
diff --git a/BankingPersistence/src/jvmMain/kotlin/net/codinux/banking/persistence/BankingRepository.jvm.kt b/BankingPersistence/src/jvmMain/kotlin/net/codinux/banking/persistence/BankingRepository.jvm.kt
new file mode 100644
index 0000000..f2d5d80
--- /dev/null
+++ b/BankingPersistence/src/jvmMain/kotlin/net/codinux/banking/persistence/BankingRepository.jvm.kt
@@ -0,0 +1,22 @@
+package net.codinux.banking.persistence
+
+import app.cash.sqldelight.async.coroutines.synchronous
+import app.cash.sqldelight.db.QueryResult
+import app.cash.sqldelight.db.SqlDriver
+import app.cash.sqldelight.db.SqlSchema
+import app.cash.sqldelight.driver.jdbc.sqlite.JdbcSqliteDriver
+import java.io.File
+
+actual fun createSqlDriverDriver(dbName: String, schema: SqlSchema<QueryResult.AsyncValue<Unit>>, version: Long): SqlDriver {
+    val dbDir = File("data/db").also { it.mkdirs() }
+
+    return JdbcSqliteDriver("jdbc:sqlite:data/db/$dbName").also { driver ->
+        schema.synchronous().also { schema ->
+            if (File(dbDir, dbName).exists() == false) {
+                schema.create(driver)
+            }
+
+            schema.migrate(driver, schema.version, version)
+        }
+    }
+}
\ No newline at end of file