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diff --git a/act/act_v0/testing/golden_transcript_test.cc b/act/act_v0/testing/golden_transcript_test.cc
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+/*
+ * Copyright 2023 Google LLC.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <filesystem>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "act/act.h"
+#include "act/act.pb.h"
+#include "act/act_v0/act_v0.h"
+#include "act/act_v0/testing/transcript.pb.h"
+#include "private_join_and_compute/util/proto_util.h"
+#include "private_join_and_compute/util/status_testing.inc"
+
+namespace private_join_and_compute {
+namespace anonymous_counting_tokens {
+namespace {
+
+const char kTranscriptPathBase[] = "act/act_v0/testing/transcripts/";
+
+TEST(GoldenTranscriptTest, TranscriptPassesValidityTests) {
+  auto act = AnonymousCountingTokensV0::Create();
+
+  std::vector<std::string> transcript_paths;
+
+  for (const auto& entry :
+       std::filesystem::directory_iterator(kTranscriptPathBase)) {
+    transcript_paths.push_back(std::string(entry.path()));
+  }
+
+  for (const auto& transcript_path : transcript_paths) {
+    ASSERT_OK_AND_ASSIGN(
+        Transcript transcript,
+        ProtoUtils::ReadProtoFromFile<Transcript>(transcript_path));
+
+    EXPECT_OK(act->CheckClientParameters(
+        transcript.scheme_parameters(),
+        transcript.client_parameters().public_parameters(),
+        transcript.server_parameters().public_parameters(),
+        transcript.server_parameters().private_parameters()));
+
+    std::vector<std::string> client_fingerprints(
+        transcript.fingerprints().begin(), transcript.fingerprints().end());
+    EXPECT_OK(act->CheckTokensRequest(
+        client_fingerprints, transcript.tokens_request(),
+        transcript.scheme_parameters(),
+        transcript.client_parameters().public_parameters(),
+        transcript.server_parameters().public_parameters(),
+        transcript.server_parameters().private_parameters()));
+
+    std::vector<std::string> messages(transcript.messages().begin(),
+                                      transcript.messages().end());
+    EXPECT_OK(act->VerifyTokensResponse(
+        messages, transcript.tokens_request(),
+        transcript.tokens_request_private_state(), transcript.tokens_response(),
+        transcript.scheme_parameters(),
+        transcript.client_parameters().public_parameters(),
+        transcript.client_parameters().private_parameters(),
+        transcript.server_parameters().public_parameters()));
+  }
+}
+
+}  // namespace
+}  // namespace anonymous_counting_tokens
+}  // namespace private_join_and_compute