diff --git a/common-testing/src/test/java/io/carbynestack/common/result/FailureTest.java b/common-testing/src/test/java/io/carbynestack/common/result/FailureTest.java
index 35fce6e..7c2138c 100644
--- a/common-testing/src/test/java/io/carbynestack/common/result/FailureTest.java
+++ b/common-testing/src/test/java/io/carbynestack/common/result/FailureTest.java
@@ -95,14 +95,14 @@ void flatMapNullPointerException() {
 
     @Test
     void fold() {
-        assertThat(result.<Integer>fold(r -> r + 9, v -> v * 2)).isEqualTo(30);
+        assertThat(result.<Integer>fold(v -> v * 2, r -> r + 9)).isEqualTo(30);
     }
 
     @ParameterizedTest
     @NullableParamSource("FOLD")
-    void foldNullPointerException(Function<? super Integer, ? super Integer> failureFunction,
-                                  Function<? super Integer, ? super Integer> successFunction) {
-        assertThatThrownBy(() -> result.fold(failureFunction, successFunction))
+    void foldNullPointerException(Function<? super Integer, ? super Integer> successFunction,
+                                  Function<? super Integer, ? super Integer> failureFunction) {
+        assertThatThrownBy(() -> result.fold(successFunction, failureFunction))
                 .isExactlyInstanceOf(NullPointerException.class);
     }
 
diff --git a/common-testing/src/test/java/io/carbynestack/common/result/SuccessTest.java b/common-testing/src/test/java/io/carbynestack/common/result/SuccessTest.java
index c82a2ab..343289f 100644
--- a/common-testing/src/test/java/io/carbynestack/common/result/SuccessTest.java
+++ b/common-testing/src/test/java/io/carbynestack/common/result/SuccessTest.java
@@ -98,14 +98,14 @@ void flatMapNullPointerException() {
 
     @Test
     void fold() {
-        assertThat(result.<Integer>fold(r -> r + 9, v -> v * 2)).isEqualTo(24);
+        assertThat(result.<Integer>fold(v -> v * 2, r -> r + 9)).isEqualTo(24);
     }
 
     @ParameterizedTest
     @NullableParamSource("FOLD")
-    void foldNullPointerException(Function<? super Integer, ? super Integer> failureFunction,
-                                  Function<? super Integer, ? super Integer> successFunction) {
-        assertThatThrownBy(() -> result.fold(failureFunction, successFunction))
+    void foldNullPointerException(Function<? super Integer, ? super Integer> successFunction,
+                                  Function<? super Integer, ? super Integer> failureFunction) {
+        assertThatThrownBy(() -> result.fold(successFunction, failureFunction))
                 .isExactlyInstanceOf(NullPointerException.class);
     }
 
diff --git a/common-types/src/main/java/io/carbynestack/common/result/Failure.java b/common-types/src/main/java/io/carbynestack/common/result/Failure.java
index 3f50130..8cdd514 100644
--- a/common-types/src/main/java/io/carbynestack/common/result/Failure.java
+++ b/common-types/src/main/java/io/carbynestack/common/result/Failure.java
@@ -143,10 +143,10 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
     /**
      * {@inheritDoc}
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping either this {@link Failure} reason
@@ -160,7 +160,7 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
      */
     @Override
     @SuppressWarnings("unchecked")
-    public <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction) {
+    public <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction) {
         requireNonNull(successFunction);
         return (N) failureFunction.apply(this.reason());
     }
diff --git a/common-types/src/main/java/io/carbynestack/common/result/Result.java b/common-types/src/main/java/io/carbynestack/common/result/Result.java
index cfb9935..d675ea6 100644
--- a/common-types/src/main/java/io/carbynestack/common/result/Result.java
+++ b/common-types/src/main/java/io/carbynestack/common/result/Result.java
@@ -137,10 +137,10 @@ default boolean isFailure() {
      * applied to the {@link Failure#reason()}. Otherwise, the success
      * function is applied to the {@link Success#value()}.
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping either this {@link Success} value
@@ -152,7 +152,7 @@ default boolean isFailure() {
      * @see Success#value()
      * @since 0.1.0
      */
-    <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction);
+    <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction);
 
     /**
      * If the {@code Result} is a {@link Success}, and the value matches the
diff --git a/common-types/src/main/java/io/carbynestack/common/result/Success.java b/common-types/src/main/java/io/carbynestack/common/result/Success.java
index 2710b3c..c1ab1c0 100644
--- a/common-types/src/main/java/io/carbynestack/common/result/Success.java
+++ b/common-types/src/main/java/io/carbynestack/common/result/Success.java
@@ -144,10 +144,10 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
     /**
      * {@inheritDoc}
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping this {@link Success} value
@@ -161,7 +161,7 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
      */
     @Override
     @SuppressWarnings("unchecked")
-    public <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction) {
+    public <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction) {
         requireNonNull(failureFunction);
         return (N) successFunction.apply(this.value());
     }
diff --git a/common-types/src/main/java17/io/carbynestack/common/result/Failure.java b/common-types/src/main/java17/io/carbynestack/common/result/Failure.java
index 7f6c074..6ac0138 100644
--- a/common-types/src/main/java17/io/carbynestack/common/result/Failure.java
+++ b/common-types/src/main/java17/io/carbynestack/common/result/Failure.java
@@ -113,10 +113,10 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
     /**
      * {@inheritDoc}
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping either this {@link Failure} reason
@@ -130,7 +130,7 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
      */
     @Override
     @SuppressWarnings("unchecked")
-    public <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction) {
+    public <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction) {
         requireNonNull(successFunction);
         return (N) failureFunction.apply(this.reason());
     }
diff --git a/common-types/src/main/java17/io/carbynestack/common/result/Result.java b/common-types/src/main/java17/io/carbynestack/common/result/Result.java
index 3d63643..1e06268 100644
--- a/common-types/src/main/java17/io/carbynestack/common/result/Result.java
+++ b/common-types/src/main/java17/io/carbynestack/common/result/Result.java
@@ -138,10 +138,10 @@ default boolean isFailure() {
      * applied to the {@link Failure#reason()}. Otherwise, the success
      * function is applied to the {@link Success#value()}.
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping either this {@link Success} value
@@ -153,7 +153,7 @@ default boolean isFailure() {
      * @see Success#value()
      * @since 0.1.0
      */
-    <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction);
+    <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction);
 
     /**
      * If the {@code Result} is a {@link Success}, and the value matches the
diff --git a/common-types/src/main/java17/io/carbynestack/common/result/Success.java b/common-types/src/main/java17/io/carbynestack/common/result/Success.java
index e6a980c..f98cf56 100644
--- a/common-types/src/main/java17/io/carbynestack/common/result/Success.java
+++ b/common-types/src/main/java17/io/carbynestack/common/result/Success.java
@@ -114,10 +114,10 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
     /**
      * {@inheritDoc}
      *
-     * @param failureFunction the mapping function to apply to a
-     *                        {@link Failure#reason()}
      * @param successFunction the success mapping function to apply to a
      *                        {@link Success#value()}
+     * @param failureFunction the mapping function to apply to a
+     *                        {@link Failure#reason()}
      * @param <N>             the type of the value returned from the
      *                        mapping functions
      * @return the folded value of mapping this {@link Success} value
@@ -131,7 +131,7 @@ public <N> Result<N, F> flatMap(Function<? super S, ? extends Result<? extends N
      */
     @Override
     @SuppressWarnings("unchecked")
-    public <N> N fold(Function<? super F, ? super N> failureFunction, Function<? super S, ? super N> successFunction) {
+    public <N> N fold(Function<? super S, ? super N> successFunction, Function<? super F, ? super N> failureFunction) {
         requireNonNull(failureFunction);
         return (N) successFunction.apply(this.value());
     }