diff --git a/flake.lock b/flake.lock
index 75a2220..968c352 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1828,11 +1828,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1780948815,
-        "narHash": "sha256-NiBHv3Fb6kGcbz4zSHSGMBMqReXtsPEt1DaqxGfQotA=",
+        "lastModified": 1781025483,
+        "narHash": "sha256-3u/CjYuKD31W4jeODJOk5uE90r0nLB826VVaCs2OZKI=",
         "owner": "logos-co",
         "repo": "logos-module-builder",
-        "rev": "b841fdc1d9a60f470e924a0da78ec5978c1b0a1b",
+        "rev": "aa5b5d354d9970ea12d5342e5c3324142cc4d680",
         "type": "github"
       },
       "original": {
@@ -11386,17 +11386,17 @@
         "nix-bundle-lgx": "nix-bundle-lgx_22"
       },
       "locked": {
-        "lastModified": 1781017146,
-        "narHash": "sha256-nm+Tn0U5Y0rO0k272UtXf2KYnbFZhotNgrp5aWbRSCo=",
+        "lastModified": 1781090578,
+        "narHash": "sha256-IiOhB1nNvOeSBw9cOiuIJ2e62Mg7MX0+P9i6OPT6UQQ=",
         "owner": "logos-blockchain",
         "repo": "logos-execution-zone-module",
-        "rev": "32c16c000a7a5845629c42ead71629216e9e5261",
+        "rev": "09f539a13662ae1a177e66cceb42a881307d92ca",
         "type": "github"
       },
       "original": {
         "owner": "logos-blockchain",
         "repo": "logos-execution-zone-module",
-        "rev": "32c16c000a7a5845629c42ead71629216e9e5261",
+        "rev": "09f539a13662ae1a177e66cceb42a881307d92ca",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index c6e8dab..b5c000f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,7 +4,7 @@
   inputs = {
     logos-module-builder.url = "github:logos-co/logos-module-builder";
     nix-bundle-lgx.url = "github:logos-co/nix-bundle-lgx";
-    logos_execution_zone.url = "github:logos-blockchain/logos-execution-zone-module?rev=32c16c000a7a5845629c42ead71629216e9e5261";
+    logos_execution_zone.url = "github:logos-blockchain/logos-execution-zone-module?rev=09f539a13662ae1a177e66cceb42a881307d92ca";
   };
 
   outputs = inputs@{ logos-module-builder, ... }:
diff --git a/src/LEZWalletBackend.cpp b/src/LEZWalletBackend.cpp
index 8be1f79..cbbf354 100644
--- a/src/LEZWalletBackend.cpp
+++ b/src/LEZWalletBackend.cpp
@@ -225,12 +225,22 @@ bool LEZWalletBackend::syncToBlock(quint64 blockId)
 QString LEZWalletBackend::transferPublic(QString fromHex, QString toHex, QString amountStr)
 {
     QStringList account_ids = { fromHex, toHex };
-    QJsonArray signing_requirements = { true, false };
-    QJsonArray elf_json = m_logos->logos_execution_zone.authenticated_transfer_elf();
+    QStringList signing_requirements = { "true", "false" };
+    QStringList elf_json = m_logos->logos_execution_zone.authenticated_transfer_elf();
     // No dependencies
-    QJsonArray program_dependencies;
+    QStringList program_dependencies;
 
-    // Instruction encoding
+    // Instruction encoding, the hardest part
+    // RISC0 consumes not bytes, but uint32_t words
+    // construction of which is dependant on Rust serialization
+    // In this exact case instruction is:
+    //
+    // Instruction::Transfer {
+    //    amount: u128 
+    // }
+    //
+    // which encodes to [0, word_1, word_2, word_3, word_4]
+    // where 0 - is Transfer enum identifier and words is from le representation of u128.
     const QString amountHex = amountToLe16Hex(amountStr);
     if (amountHex.isEmpty()) return QStringLiteral("Error: Invalid amount.");
 
@@ -239,25 +249,28 @@ QString LEZWalletBackend::transferPublic(QString fromHex, QString toHex, QString
         return QStringLiteral("Error: Invalid amount.");
     }
 
-    QList<uint8_t> input_data_raw;
-    input_data_raw.reserve(17);
-    input_data_raw.append(0);
-    for (int i = 0; i < 16; i++) {
-        input_data_raw.append(amount[i]);
+    QList<uint32_t> amount_words;
+    amount_words.reserve(5);
+    amount_words.append(0);
+    for (int i = 0; i < 4; ++i) {
+        uint32_t word = static_cast<uint32_t>(amount[i * 4])
+                        | static_cast<uint32_t>(amount[i * 4 + 1]) << 8
+                        | static_cast<uint32_t>(amount[i * 4 + 2]) << 16
+                        | static_cast<uint32_t>(amount[i * 4 + 3]) << 24;
+        amount_words.append(word);
     }
 
-    QJsonArray input_data_raw_json;
-    for (size_t i = 0; i < input_data_raw.size(); ++i) {
-        input_data_raw_json.append(static_cast<int>(input_data_raw[i]));
+    QStringList amount_list;
+    amount_list.reserve(amount_words.size());
+    for (const uint32_t word : amount_words) {
+        amount_list.append(QString::number(word));
     }
-
-    QJsonArray input_data = m_logos->logos_execution_zone.serialization_helper(input_data_raw_json);
     
     const QStringList& account_ids_ref = account_ids;
-    const QJsonArray& signing_requirements_ref = signing_requirements;
-    const QJsonArray& input_data_ref = input_data;
-    const QJsonArray& elf_json_ref = elf_json;
-    const QJsonArray& program_dependencies_ref = program_dependencies;
+    const QStringList& signing_requirements_ref = signing_requirements;
+    const QStringList& input_data_ref = amount_list;
+    const QStringList& elf_json_ref = elf_json;
+    const QStringList& program_dependencies_ref = program_dependencies;
 
     return m_logos->logos_execution_zone.send_generic_public_transaction(account_ids_ref, signing_requirements_ref, input_data_ref, elf_json_ref, program_dependencies_ref);
 }