diff --git a/crypto3/libs/blueprint/include/nil/blueprint/zkevm_bbf/bytecode.hpp b/crypto3/libs/blueprint/include/nil/blueprint/zkevm_bbf/bytecode.hpp
index 080703353d..49363508ba 100644
--- a/crypto3/libs/blueprint/include/nil/blueprint/zkevm_bbf/bytecode.hpp
+++ b/crypto3/libs/blueprint/include/nil/blueprint/zkevm_bbf/bytecode.hpp
@@ -134,7 +134,7 @@ namespace nil {
 //                    if (make_links) {
 //                        copy_constrain(input.rlc_challenge, rlc_challenge[0]);
 //                    }
-                    auto zerohash = zkevm_keccak_hash({});
+                    static const auto zerohash = zkevm_keccak_hash({});
                     for(std::size_t i = 0; i < max_bytecode_size; i++) {
                         constrain(tag[i] * (tag[i] - 1));    // 0. TAG is zeroes or ones -- maybe there will be third value for non-used rows
                         constrain((tag[i] - 1) * index[i]);     // 1. INDEX for HEADER and unused bytes is zero
diff --git a/proof-producer/libs/assigner/include/nil/proof-generator/assigner/bytecode.hpp b/proof-producer/libs/assigner/include/nil/proof-generator/assigner/bytecode.hpp
index 2cfc20bcf0..620bd0e8ef 100644
--- a/proof-producer/libs/assigner/include/nil/proof-generator/assigner/bytecode.hpp
+++ b/proof-producer/libs/assigner/include/nil/proof-generator/assigner/bytecode.hpp
@@ -24,6 +24,8 @@ namespace nil {
             typename nil::blueprint::bbf::context<BlueprintFieldType, nil::blueprint::bbf::GenerationStage::ASSIGNMENT> context_object(assignment_table, limits::max_rows);
 
             typename ComponentType::input_type input;
+            input.rlc_challenge = limits::RLC_CHALLENGE;
+
             const auto bytecode_trace_path = get_bytecode_trace_path(trace_base_path);
             const auto contract_bytecodes = deserialize_bytecodes_from_file(bytecode_trace_path);
             if (!contract_bytecodes) {
diff --git a/proof-producer/libs/preset/include/nil/proof-generator/preset/limits.hpp b/proof-producer/libs/preset/include/nil/proof-generator/preset/limits.hpp
index 6acee5eba9..d1806b47d1 100644
--- a/proof-producer/libs/preset/include/nil/proof-generator/preset/limits.hpp
+++ b/proof-producer/libs/preset/include/nil/proof-generator/preset/limits.hpp
@@ -13,7 +13,7 @@ namespace nil {
             const std::size_t max_bytecode_size = 20000;
             const std::size_t max_rows = 500000;   
             const std::size_t max_mpt_size = 30;
-            const std::size_t max_zkevm_rows = 10000;
+            const std::size_t max_zkevm_rows = 50000;
 
             const std::size_t RLC_CHALLENGE = 7; // should be the same between all components
 
diff --git a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.bc b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.bc
index 95a7132cc1..5d2aed0c5d 100644
Binary files a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.bc and b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.bc differ
diff --git a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.copy b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.copy
index ed563dda36..f0b16b7f24 100644
Binary files a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.copy and b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.copy differ
diff --git a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.msg b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.msg
index 5eda8a6d8e..a9390deab3 100644
Binary files a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.msg and b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.msg differ
diff --git a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.rw b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.rw
index 4eceeb193e..f7444a8626 100644
Binary files a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.rw and b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.rw differ
diff --git a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.zkevm b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.zkevm
index f5734f3ac3..7721a92c9b 100644
Binary files a/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.zkevm and b/proof-producer/tests/bin/proof-producer/resources/traces/increment_multi_tx.pb.zkevm differ
diff --git a/proof-producer/tests/bin/proof-producer/test_zkevm_bbf_circuits.cpp b/proof-producer/tests/bin/proof-producer/test_zkevm_bbf_circuits.cpp
index f8731f6d20..3afa99b867 100644
--- a/proof-producer/tests/bin/proof-producer/test_zkevm_bbf_circuits.cpp
+++ b/proof-producer/tests/bin/proof-producer/test_zkevm_bbf_circuits.cpp
@@ -69,8 +69,10 @@ INSTANTIATE_TEST_SUITE_P(SimpleCopy, ProverTests, ::testing::Values(Input{Simple
 INSTANTIATE_TEST_SUITE_P(SimpleZkevm, ProverTests, ::testing::Values(Input{SimpleIncrement,  ZKEVM, true}));  // TODO
 
 // Multiple calls of Counter contract increment function (several transactions)
+// !! note that due to https://github.com/NilFoundation/placeholder/issues/196
+// contracts for these traces were compiled with --no-cbor-metadata flag
 const std::string MultiTxIncrement = "increment_multi_tx.pb"; 
 INSTANTIATE_TEST_SUITE_P(MultiTxRw, ProverTests, ::testing::Values(Input{MultiTxIncrement,  RW})); 
-INSTANTIATE_TEST_SUITE_P(MultiTxBytecode, ProverTests, ::testing::Values(Input{MultiTxIncrement,  BYTECODE, true}));  // TODO
+INSTANTIATE_TEST_SUITE_P(MultiTxBytecode, ProverTests, ::testing::Values(Input{MultiTxIncrement,  BYTECODE}));
 INSTANTIATE_TEST_SUITE_P(MultiTxCopy, ProverTests, ::testing::Values(Input{MultiTxIncrement,  COPY}));
 INSTANTIATE_TEST_SUITE_P(MultiTxZkevm, ProverTests, ::testing::Values(Input{MultiTxIncrement,  ZKEVM, true})); // TODO