diff --git a/components/brave_wallet/browser/BUILD.gn b/components/brave_wallet/browser/BUILD.gn
index 28a47f16a17..94ed6f87ccf 100644
--- a/components/brave_wallet/browser/BUILD.gn
+++ b/components/brave_wallet/browser/BUILD.gn
@@ -111,7 +111,6 @@ static_library("browser") {
     ":constants",
     ":hd_keyring",
     ":pref_names",
-    ":solana_utils",
     ":transaction",
     ":utils",
     "//base",
@@ -124,6 +123,7 @@ static_library("browser") {
     "//brave/components/brave_wallet/common",
     "//brave/components/brave_wallet/common:common_constants",
     "//brave/components/brave_wallet/common:mojom",
+    "//brave/components/brave_wallet/common:solana_utils",
     "//brave/components/json/rs:cxx",
     "//brave/components/json/rs:cxx_gen",
     "//brave/components/resources:strings_grit",
@@ -207,18 +207,6 @@ source_set("utils") {
   public_deps = [ "//brave/components/brave_wallet/common" ]
 }
 
-source_set("solana_utils") {
-  sources = [
-    "solana_utils.cc",
-    "solana_utils.h",
-  ]
-
-  deps = [
-    "//base",
-    "//brave/third_party/bitcoin-core",  # for base58
-  ]
-}
-
 source_set("hd_keyring") {
   sources = [
     "ethereum_keyring.cc",
@@ -232,8 +220,6 @@ source_set("hd_keyring") {
   ]
 
   deps = [
-    ":constants",
-    ":solana_utils",
     ":transaction",
     "internal:hd_key",
     "//base",
@@ -241,7 +227,9 @@ source_set("hd_keyring") {
     "//brave/components/bls/rs:cxx",
     "//brave/components/bls/rs:cxx_gen",
     "//brave/components/brave_wallet/common",
+    "//brave/components/brave_wallet/common:common_constants",
     "//brave/components/brave_wallet/common:mojom",
+    "//brave/components/brave_wallet/common:solana_utils",
     "//crypto",
   ]
 
diff --git a/components/brave_wallet/browser/brave_wallet_constants.h b/components/brave_wallet/browser/brave_wallet_constants.h
index 8c1c30b7b17..0fd8c321b50 100644
--- a/components/brave_wallet/browser/brave_wallet_constants.h
+++ b/components/brave_wallet/browser/brave_wallet_constants.h
@@ -652,21 +652,6 @@ constexpr char kCryptoEthAddressKey[] = "crypto.ETH.address";
 // ERC-165 identifier for ERC721 interface.
 constexpr char kERC721InterfaceId[] = "0x80ac58cd";
 
-constexpr int kSolanaKeypairSize = 64;
-constexpr int kSolanaPrikeySize = 32;
-constexpr int kSolanaPubkeySize = 32;
-constexpr int kSolanaBlockhashSize = 32;
-// 1232 = 1280(IPv6 minimum MTU) - 40(size of the IPv6 header) - 8(size of the
-// fragment header)
-constexpr size_t kSolanaMaxTxSize = 1232;
-constexpr char kSolanaSystemProgramId[] = "11111111111111111111111111111111";
-constexpr char kSolanaTokenProgramId[] =
-    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA";
-constexpr char kSolanaAssociatedTokenProgramId[] =
-    "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL";
-constexpr char kSolanaSysvarRentProgramId[] =
-    "SysvarRent111111111111111111111111111111111";
-
 constexpr char kEthereumPrefKey[] = "ethereum";
 constexpr char kFilecoinPrefKey[] = "filecoin";
 constexpr char kSolanaPrefKey[] = "solana";
diff --git a/components/brave_wallet/browser/keyring_service.cc b/components/brave_wallet/browser/keyring_service.cc
index bb55f07724d..0fc5c21523b 100644
--- a/components/brave_wallet/browser/keyring_service.cc
+++ b/components/brave_wallet/browser/keyring_service.cc
@@ -17,7 +17,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/value_iterators.h"
 #include "base/values.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_prefs.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
 #include "brave/components/brave_wallet/browser/ethereum_keyring.h"
@@ -26,11 +25,12 @@
 #include "brave/components/brave_wallet/browser/json_rpc_service.h"
 #include "brave/components/brave_wallet/browser/pref_names.h"
 #include "brave/components/brave_wallet/browser/solana_keyring.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
 #include "brave/components/brave_wallet/common/brave_wallet.mojom-forward.h"
 #include "brave/components/brave_wallet/common/brave_wallet.mojom-shared.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/eth_address.h"
 #include "brave/components/brave_wallet/common/hex_utils.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 #include "components/grit/brave_components_strings.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/prefs/pref_service.h"
diff --git a/components/brave_wallet/browser/solana_instruction.cc b/components/brave_wallet/browser/solana_instruction.cc
index 4e7ba430f1a..37a69405371 100644
--- a/components/brave_wallet/browser/solana_instruction.cc
+++ b/components/brave_wallet/browser/solana_instruction.cc
@@ -11,7 +11,7 @@
 #include "base/base64.h"
 #include "base/check.h"
 #include "base/values.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 
 namespace brave_wallet {
 
diff --git a/components/brave_wallet/browser/solana_instruction_builder.cc b/components/brave_wallet/browser/solana_instruction_builder.cc
index 72bce34616b..7949c864ea2 100644
--- a/components/brave_wallet/browser/solana_instruction_builder.cc
+++ b/components/brave_wallet/browser/solana_instruction_builder.cc
@@ -8,9 +8,9 @@
 #include <type_traits>
 #include <utility>
 
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/solana_account_meta.h"
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/brave_wallet_types.h"
 #include "build/build_config.h"
 
diff --git a/components/brave_wallet/browser/solana_instruction_builder_unittest.cc b/components/brave_wallet/browser/solana_instruction_builder_unittest.cc
index e91a612e434..fcac89887e0 100644
--- a/components/brave_wallet/browser/solana_instruction_builder_unittest.cc
+++ b/components/brave_wallet/browser/solana_instruction_builder_unittest.cc
@@ -8,9 +8,9 @@
 #include <string>
 #include <vector>
 
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/solana_account_meta.h"
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/browser/solana_instruction_unittest.cc b/components/brave_wallet/browser/solana_instruction_unittest.cc
index d24a57b456e..7f74eb1668f 100644
--- a/components/brave_wallet/browser/solana_instruction_unittest.cc
+++ b/components/brave_wallet/browser/solana_instruction_unittest.cc
@@ -10,8 +10,8 @@
 
 #include "base/json/json_reader.h"
 #include "base/test/gtest_util.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/solana_account_meta.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/browser/solana_keyring.cc b/components/brave_wallet/browser/solana_keyring.cc
index 79058abc879..323d4028359 100644
--- a/components/brave_wallet/browser/solana_keyring.cc
+++ b/components/brave_wallet/browser/solana_keyring.cc
@@ -8,9 +8,9 @@
 #include <memory>
 #include <utility>
 
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/internal/hd_key_ed25519.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 #include "brave/components/brave_wallet/rust/lib.rs.h"
 #include "crypto/sha2.h"
 
diff --git a/components/brave_wallet/browser/solana_keyring_unittest.cc b/components/brave_wallet/browser/solana_keyring_unittest.cc
index 25d235debd9..851af3fab37 100644
--- a/components/brave_wallet/browser/solana_keyring_unittest.cc
+++ b/components/brave_wallet/browser/solana_keyring_unittest.cc
@@ -6,10 +6,10 @@
 #include <memory>
 
 #include "base/strings/string_number_conversions.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_utils.h"
 #include "brave/components/brave_wallet/browser/solana_keyring.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/browser/solana_message.cc b/components/brave_wallet/browser/solana_message.cc
index 9b4a6d3b35c..196e9be4cd0 100644
--- a/components/brave_wallet/browser/solana_message.cc
+++ b/components/brave_wallet/browser/solana_message.cc
@@ -10,8 +10,8 @@
 
 #include "base/check.h"
 #include "base/values.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 
 namespace brave_wallet {
 
diff --git a/components/brave_wallet/browser/solana_message_unittest.cc b/components/brave_wallet/browser/solana_message_unittest.cc
index 8805ac792ea..306e37144ac 100644
--- a/components/brave_wallet/browser/solana_message_unittest.cc
+++ b/components/brave_wallet/browser/solana_message_unittest.cc
@@ -9,9 +9,9 @@
 
 #include "base/json/json_reader.h"
 #include "base/test/gtest_util.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/solana_account_meta.h"
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/browser/solana_provider_impl.cc b/components/brave_wallet/browser/solana_provider_impl.cc
index 99e8f8a1750..e960e957773 100644
--- a/components/brave_wallet/browser/solana_provider_impl.cc
+++ b/components/brave_wallet/browser/solana_provider_impl.cc
@@ -6,6 +6,7 @@
 #include "brave/components/brave_wallet/browser/solana_provider_impl.h"
 
 #include <utility>
+#include <vector>
 
 #include "base/notreached.h"
 
@@ -25,12 +26,40 @@ void SolanaProviderImpl::Connect(absl::optional<base::Value> arg,
 }
 
 void SolanaProviderImpl::Disconnect() {
-  NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
 }
 
 void SolanaProviderImpl::IsConnected(IsConnectedCallback callback) {
-  NOTIMPLEMENTED();
+  // NOTIMPLEMENTED();
   std::move(callback).Run(false);
 }
 
+void SolanaProviderImpl::GetPublicKey(GetPublicKeyCallback callback) {
+  std::move(callback).Run("BrG44HdsEhzapvs8bEqzvkq4egwevS3fRE6ze2ENo6S8");
+  // std::move(callback).Run("");
+}
+
+void SolanaProviderImpl::SignTransaction(
+    const std::string& encoded_serialized_msg,
+    SignTransactionCallback callback) {
+  std::vector<uint8_t> result = {
+      1,   231, 78,  150, 120, 219, 234, 88,  44,  144, 225, 53,  221, 88,  82,
+      59,  51,  62,  211, 225, 231, 182, 123, 231, 229, 201, 48,  30,  137, 119,
+      233, 102, 88,  31,  65,  88,  147, 197, 72,  166, 241, 126, 26,  59,  239,
+      64,  196, 116, 28,  17,  124, 0,   123, 13,  28,  65,  242, 241, 226, 46,
+      227, 55,  234, 251, 10,  1,   0,   1,   2,   161, 51,  89,  91,  115, 210,
+      217, 212, 76,  159, 171, 200, 40,  150, 157, 70,  197, 71,  24,  44,  209,
+      108, 143, 4,   58,  251, 215, 62,  201, 172, 159, 197, 0,   0,   0,   0,
+      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+      0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   62,  84,
+      174, 253, 228, 77,  50,  164, 215, 178, 46,  88,  242, 49,  114, 246, 244,
+      48,  9,   18,  36,  41,  160, 254, 174, 6,   207, 115, 11,  58,  220, 167,
+      1,   1,   2,   0,   0,   12,  2,   0,   0,   0,   100, 0,   0,   0,   0,
+      0,   0,   0};
+  std::move(callback).Run(mojom::SolanaProviderError::kSuccess, "", result);
+  // NOTIMPLEMENTED();
+  // std::move(callback).Run(mojom::SolanaProviderError::kInternalError, "",
+  // std::vector<uint8_t>());
+}
+
 }  // namespace brave_wallet
diff --git a/components/brave_wallet/browser/solana_provider_impl.h b/components/brave_wallet/browser/solana_provider_impl.h
index d590c28148b..fb926496b11 100644
--- a/components/brave_wallet/browser/solana_provider_impl.h
+++ b/components/brave_wallet/browser/solana_provider_impl.h
@@ -6,6 +6,8 @@
 #ifndef BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_SOLANA_PROVIDER_IMPL_H_
 #define BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_SOLANA_PROVIDER_IMPL_H_
 
+#include <string>
+
 #include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
 
 namespace brave_wallet {
@@ -21,6 +23,9 @@ class SolanaProviderImpl final : public mojom::SolanaProvider {
                ConnectCallback callback) override;
   void Disconnect() override;
   void IsConnected(IsConnectedCallback callback) override;
+  void GetPublicKey(GetPublicKeyCallback callback) override;
+  void SignTransaction(const std::string& encoded_serialized_msg,
+                       SignTransactionCallback callback) override;
 
  private:
 };
diff --git a/components/brave_wallet/browser/solana_transaction.cc b/components/brave_wallet/browser/solana_transaction.cc
index 295f0f10930..e8c4dfbfd8a 100644
--- a/components/brave_wallet/browser/solana_transaction.cc
+++ b/components/brave_wallet/browser/solana_transaction.cc
@@ -10,11 +10,11 @@
 #include "base/base64.h"
 #include "base/check.h"
 #include "base/strings/string_number_conversions.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
-#include "brave/components/brave_wallet/browser/solana_utils.h"
 #include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 
 namespace brave_wallet {
 
diff --git a/components/brave_wallet/browser/solana_transaction_unittest.cc b/components/brave_wallet/browser/solana_transaction_unittest.cc
index c925ab67359..7b972359782 100644
--- a/components/brave_wallet/browser/solana_transaction_unittest.cc
+++ b/components/brave_wallet/browser/solana_transaction_unittest.cc
@@ -14,11 +14,11 @@
 #include "base/test/gtest_util.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/task_environment.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_prefs.h"
 #include "brave/components/brave_wallet/browser/keyring_service.h"
 #include "brave/components/brave_wallet/browser/solana_account_meta.h"
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/features.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
diff --git a/components/brave_wallet/browser/solana_tx_manager.cc b/components/brave_wallet/browser/solana_tx_manager.cc
index 9182d7d4c3e..4a52d5b3fed 100644
--- a/components/brave_wallet/browser/solana_tx_manager.cc
+++ b/components/brave_wallet/browser/solana_tx_manager.cc
@@ -15,6 +15,7 @@
 #include "brave/components/brave_wallet/browser/solana_keyring.h"
 #include "brave/components/brave_wallet/browser/solana_tx_meta.h"
 #include "brave/components/brave_wallet/browser/solana_tx_state_manager.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/brave_wallet_types.h"
 #include "components/grit/brave_components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
diff --git a/components/brave_wallet/browser/solana_tx_manager_unittest.cc b/components/brave_wallet/browser/solana_tx_manager_unittest.cc
index 505a47e4206..6f02539bbe3 100644
--- a/components/brave_wallet/browser/solana_tx_manager_unittest.cc
+++ b/components/brave_wallet/browser/solana_tx_manager_unittest.cc
@@ -19,6 +19,7 @@
 #include "brave/components/brave_wallet/browser/solana_transaction.h"
 #include "brave/components/brave_wallet/browser/solana_tx_meta.h"
 #include "brave/components/brave_wallet/browser/tx_service.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/brave_wallet_types.h"
 #include "brave/components/brave_wallet/common/features.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
diff --git a/components/brave_wallet/browser/solana_tx_meta_unittest.cc b/components/brave_wallet/browser/solana_tx_meta_unittest.cc
index a30f933205c..27478a3af93 100644
--- a/components/brave_wallet/browser/solana_tx_meta_unittest.cc
+++ b/components/brave_wallet/browser/solana_tx_meta_unittest.cc
@@ -11,7 +11,7 @@
 
 #include "base/json/json_reader.h"
 #include "base/values.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/browser/solana_tx_state_manager_unittest.cc b/components/brave_wallet/browser/solana_tx_state_manager_unittest.cc
index 4e6bb61dbcd..61cc064cf20 100644
--- a/components/brave_wallet/browser/solana_tx_state_manager_unittest.cc
+++ b/components/brave_wallet/browser/solana_tx_state_manager_unittest.cc
@@ -16,6 +16,7 @@
 #include "brave/components/brave_wallet/browser/solana_instruction.h"
 #include "brave/components/brave_wallet/browser/solana_transaction.h"
 #include "brave/components/brave_wallet/browser/solana_tx_meta.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "brave/components/brave_wallet/common/brave_wallet_types.h"
 #include "components/sync_preferences/testing_pref_service_syncable.h"
 #include "services/network/public/cpp/weak_wrapper_shared_url_loader_factory.h"
diff --git a/components/brave_wallet/browser/test/BUILD.gn b/components/brave_wallet/browser/test/BUILD.gn
index c8d3186efc8..d3ab3981b55 100644
--- a/components/brave_wallet/browser/test/BUILD.gn
+++ b/components/brave_wallet/browser/test/BUILD.gn
@@ -51,7 +51,6 @@ source_set("brave_wallet_unit_tests") {
     "//brave/components/brave_wallet/browser/solana_tx_manager_unittest.cc",
     "//brave/components/brave_wallet/browser/solana_tx_meta_unittest.cc",
     "//brave/components/brave_wallet/browser/solana_tx_state_manager_unittest.cc",
-    "//brave/components/brave_wallet/browser/solana_utils_unittest.cc",
     "//brave/components/brave_wallet/browser/swap_response_parser_unittest.cc",
     "//brave/components/brave_wallet/browser/swap_service_unittest.cc",
     "//brave/components/brave_wallet/browser/tx_meta_unittest.cc",
@@ -65,12 +64,13 @@ source_set("brave_wallet_unit_tests") {
     "//brave/components/brave_wallet/browser:ethereum_permission_utils",
     "//brave/components/brave_wallet/browser:hd_keyring",
     "//brave/components/brave_wallet/browser:pref_names",
-    "//brave/components/brave_wallet/browser:solana_utils",
     "//brave/components/brave_wallet/browser:transaction",
     "//brave/components/brave_wallet/browser:utils",
     "//brave/components/brave_wallet/browser/internal:hd_key",
     "//brave/components/brave_wallet/common",
+    "//brave/components/brave_wallet/common:common_constants",
     "//brave/components/brave_wallet/common:mojom",
+    "//brave/components/brave_wallet/common:solana_utils",
     "//brave/components/ipfs",
     "//brave/components/resources:strings_grit",
     "//components/prefs",
diff --git a/components/brave_wallet/common/BUILD.gn b/components/brave_wallet/common/BUILD.gn
index e051a8cfc80..3dd5536f726 100644
--- a/components/brave_wallet/common/BUILD.gn
+++ b/components/brave_wallet/common/BUILD.gn
@@ -50,12 +50,25 @@ static_library("common") {
 
 source_set("common_constants") {
   sources = [
+    "brave_wallet_constants.h",
     "web3_provider_constants.cc",
     "web3_provider_constants.h",
   ]
   deps = [ ":mojom" ]
 }
 
+source_set("solana_utils") {
+  sources = [
+    "solana_utils.cc",
+    "solana_utils.h",
+  ]
+
+  deps = [
+    "//base",
+    "//brave/third_party/bitcoin-core",  # for base58
+  ]
+}
+
 preprocess_if_expr("preprocess_mojo") {
   deps = [ "//brave/components/brave_wallet/common:mojom_js" ]
   in_folder = "$target_gen_dir"
@@ -82,13 +95,16 @@ source_set("unit_tests") {
     "hash_utils_unittest.cc",
     "hex_utils_unittest.cc",
     "mem_utils_unittest.cc",
+    "solana_utils_unittest.cc",
     "string_utils_unittest.cc",
     "value_conversion_utils_unittest.cc",
   ]
 
   deps = [
     ":common",
+    ":common_constants",
     ":mojom",
+    ":solana_utils",
     "//base/test:test_support",
     "//testing/gtest",
     "//url",
diff --git a/components/brave_wallet/common/DEPS b/components/brave_wallet/common/DEPS
index 4c55c45040f..75730c53a7b 100644
--- a/components/brave_wallet/common/DEPS
+++ b/components/brave_wallet/common/DEPS
@@ -1,5 +1,6 @@
 include_rules = [
   "+brave/third_party/argon2",
+  "+brave/third_party/bitcoin-core/src/src/base58.h",
 ]
 
 specific_include_rules = {
diff --git a/components/brave_wallet/common/brave_wallet.mojom b/components/brave_wallet/common/brave_wallet.mojom
index ac418038f33..41d4eb53d88 100644
--- a/components/brave_wallet/common/brave_wallet.mojom
+++ b/components/brave_wallet/common/brave_wallet.mojom
@@ -125,12 +125,21 @@ interface BraveWalletProvider {
 interface SolanaProvider {
   // Optional {onlyIfTrusted: true}, when that flag is enable, we will only
   // connect and emit a connect event if the application is trusted.
+  // It will returns base58 encoded public key when success
   Connect(mojo_base.mojom.DictionaryValue? arg)
-    => (SolanaProviderError error, string message, string public_key);
+    => (SolanaProviderError error, string error_message, string public_key);
   Disconnect();
   [Sync]
   IsConnected() => (bool is_connected);
-  // SignTransaction
+  // return base58 encoded public key
+  [Sync]
+  GetPublicKey() => (string public_key);
+  // It takes a base58 encoded serialized Message and return a serialized
+  // Transaction with signature in wire format.
+  SignTransaction(string encoded_serialized_msg)
+    => (SolanaProviderError error, string error_message,
+        array<uint8> serialized_tx);
+  // SignAndSendTransaction
   // SignAllTransactions
   // SignMessage, hex or utf8 encoding
 
diff --git a/components/brave_wallet/common/brave_wallet_constants.h b/components/brave_wallet/common/brave_wallet_constants.h
new file mode 100644
index 00000000000..efb92f579b4
--- /dev/null
+++ b/components/brave_wallet/common/brave_wallet_constants.h
@@ -0,0 +1,29 @@
+/* Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_BRAVE_WALLET_CONSTANTS_H_
+#define BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_BRAVE_WALLET_CONSTANTS_H_
+
+namespace brave_wallet {
+
+constexpr int kSolanaKeypairSize = 64;
+constexpr int kSolanaSignatureSize = 64;
+constexpr int kSolanaPrikeySize = 32;
+constexpr int kSolanaPubkeySize = 32;
+constexpr int kSolanaBlockhashSize = 32;
+// 1232 = 1280(IPv6 minimum MTU) - 40(size of the IPv6 header) - 8(size of the
+// fragment header)
+constexpr size_t kSolanaMaxTxSize = 1232;
+constexpr char kSolanaSystemProgramId[] = "11111111111111111111111111111111";
+constexpr char kSolanaTokenProgramId[] =
+    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA";
+constexpr char kSolanaAssociatedTokenProgramId[] =
+    "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL";
+constexpr char kSolanaSysvarRentProgramId[] =
+    "SysvarRent111111111111111111111111111111111";
+
+}  // namespace brave_wallet
+
+#endif  // BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_BRAVE_WALLET_CONSTANTS_H_
diff --git a/components/brave_wallet/browser/solana_utils.cc b/components/brave_wallet/common/solana_utils.cc
similarity index 94%
rename from components/brave_wallet/browser/solana_utils.cc
rename to components/brave_wallet/common/solana_utils.cc
index 18f1b28e9e3..d99bd8e1579 100644
--- a/components/brave_wallet/browser/solana_utils.cc
+++ b/components/brave_wallet/common/solana_utils.cc
@@ -3,7 +3,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 
 #include "base/check.h"
 #include "brave/third_party/bitcoin-core/src/src/base58.h"
diff --git a/components/brave_wallet/browser/solana_utils.h b/components/brave_wallet/common/solana_utils.h
similarity index 82%
rename from components/brave_wallet/browser/solana_utils.h
rename to components/brave_wallet/common/solana_utils.h
index 0144728845d..58f6890660c 100644
--- a/components/brave_wallet/browser/solana_utils.h
+++ b/components/brave_wallet/common/solana_utils.h
@@ -3,8 +3,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_SOLANA_UTILS_H_
-#define BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_SOLANA_UTILS_H_
+#ifndef BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_SOLANA_UTILS_H_
+#define BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_SOLANA_UTILS_H_
 
 #include <string>
 #include <vector>
@@ -25,4 +25,4 @@ std::string Base58Encode(const std::vector<uint8_t>& bytes);
 
 }  // namespace brave_wallet
 
-#endif  // BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_SOLANA_UTILS_H_
+#endif  // BRAVE_COMPONENTS_BRAVE_WALLET_COMMON_SOLANA_UTILS_H_
diff --git a/components/brave_wallet/browser/solana_utils_unittest.cc b/components/brave_wallet/common/solana_utils_unittest.cc
similarity index 94%
rename from components/brave_wallet/browser/solana_utils_unittest.cc
rename to components/brave_wallet/common/solana_utils_unittest.cc
index 79ca9e33470..e90edab7875 100644
--- a/components/brave_wallet/browser/solana_utils_unittest.cc
+++ b/components/brave_wallet/common/solana_utils_unittest.cc
@@ -3,13 +3,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#include "brave/components/brave_wallet/browser/solana_utils.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 
 #include <map>
 #include <vector>
 
 #include "base/test/gtest_util.h"
-#include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
+#include "brave/components/brave_wallet/common/brave_wallet_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace brave_wallet {
diff --git a/components/brave_wallet/renderer/BUILD.gn b/components/brave_wallet/renderer/BUILD.gn
index 1a3f61db570..36476914ab1 100644
--- a/components/brave_wallet/renderer/BUILD.gn
+++ b/components/brave_wallet/renderer/BUILD.gn
@@ -13,6 +13,7 @@ source_set("renderer") {
     "//brave/components/brave_wallet/common",
     "//brave/components/brave_wallet/common:common_constants",
     "//brave/components/brave_wallet/common:mojom",
+    "//brave/components/brave_wallet/common:solana_utils",
     "//brave/components/brave_wallet/resources:ethereum_provider_generated_resources",
     "//content/public/renderer",
     "//gin",
diff --git a/components/brave_wallet/renderer/js_solana_provider.cc b/components/brave_wallet/renderer/js_solana_provider.cc
index 28a4e8579a3..4beaef4f725 100644
--- a/components/brave_wallet/renderer/js_solana_provider.cc
+++ b/components/brave_wallet/renderer/js_solana_provider.cc
@@ -10,9 +10,11 @@
 
 #include "base/notreached.h"
 #include "brave/components/brave_wallet/common/brave_wallet_response_helpers.h"
+#include "brave/components/brave_wallet/common/solana_utils.h"
 #include "brave/components/brave_wallet/common/web3_provider_constants.h"
 #include "brave/components/brave_wallet/renderer/v8_helper.h"
 #include "content/public/renderer/v8_value_converter.h"
+#include "gin/array_buffer.h"
 #include "gin/handle.h"
 #include "gin/object_template_builder.h"
 #include "third_party/blink/public/common/browser_interface_broker_proxy.h"
@@ -27,11 +29,38 @@ JSSolanaProvider::JSSolanaProvider(bool use_native_wallet,
       render_frame_(render_frame),
       v8_value_converter_(content::V8ValueConverter::Create()) {
   EnsureConnected();
+  v8_value_converter_->SetStrategy(&strategy_);
 }
 JSSolanaProvider::~JSSolanaProvider() = default;
 
 gin::WrapperInfo JSSolanaProvider::kWrapperInfo = {gin::kEmbedderNativeGin};
 
+// Convert Uint8Array to base58 encoded string
+bool JSSolanaProvider::V8ConverterStrategy::FromV8ArrayBuffer(
+    v8::Local<v8::Object> value,
+    std::unique_ptr<base::Value>* out,
+    v8::Isolate* isolate) {
+  if (!value->IsTypedArray()) {
+    return false;
+  }
+  std::vector<uint8_t> bytes;
+  char* data = NULL;
+  size_t data_length = 0;
+  gin::ArrayBufferView view;
+  if (gin::ConvertFromV8(isolate, value.As<v8::ArrayBufferView>(), &view)) {
+    data = reinterpret_cast<char*>(view.bytes());
+    data_length = view.num_bytes();
+    bytes.assign(data, data + data_length);
+  }
+  if (!bytes.size())
+    return false;
+  std::unique_ptr<base::Value> new_value =
+      std::make_unique<base::Value>(Base58Encode(bytes));
+  *out = std::move(new_value);
+
+  return true;
+}
+
 // static
 std::unique_ptr<JSSolanaProvider> JSSolanaProvider::Install(
     bool use_native_wallet,
@@ -55,6 +84,7 @@ gin::ObjectTemplateBuilder JSSolanaProvider::GetObjectTemplateBuilder(
   return gin::Wrappable<JSSolanaProvider>::GetObjectTemplateBuilder(isolate)
       .SetProperty("isPhantom", &JSSolanaProvider::GetIsPhantom)
       .SetProperty("isConnected", &JSSolanaProvider::GetIsConnected)
+      .SetProperty("publicKey", &JSSolanaProvider::GetPublicKey)
       .SetMethod("connect", &JSSolanaProvider::Connect)
       .SetMethod("disconnect", &JSSolanaProvider::Disconnect)
       .SetMethod("signAndSendTransaction",
@@ -99,6 +129,25 @@ bool JSSolanaProvider::GetIsConnected(gin::Arguments* arguments) {
   return is_connected;
 }
 
+v8::Local<v8::Value> JSSolanaProvider::GetPublicKey(gin::Arguments* arguments) {
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  v8::Local<v8::Context> context = isolate->GetCurrentContext();
+  std::string public_key;
+  if (!solana_provider_->GetPublicKey(&public_key) || public_key.empty())
+    return v8::Null(isolate);
+  const base::Value public_key_value(public_key);
+  std::vector<v8::Local<v8::Value>> args;
+  args.push_back(v8_value_converter_->ToV8Value(&public_key_value, context));
+
+  v8::MaybeLocal<v8::Value> public_key_result =
+      CallMethodOfObject(render_frame_->GetWebFrame(), u"solana",
+                         u"createPublickey", std::move(args));
+  v8::Local<v8::Value> v8_public_key;
+  CHECK(GetProperty(context, public_key_result.ToLocalChecked(), u"publicKey")
+            .ToLocal(&v8_public_key));
+  return v8_public_key;
+}
+
 v8::Local<v8::Promise> JSSolanaProvider::Connect(gin::Arguments* arguments) {
   if (!EnsureConnected())
     return v8::Local<v8::Promise>();
@@ -142,6 +191,8 @@ v8::Local<v8::Promise> JSSolanaProvider::Connect(gin::Arguments* arguments) {
 }
 
 v8::Local<v8::Promise> JSSolanaProvider::Disconnect(gin::Arguments* arguments) {
+  if (!EnsureConnected())
+    return v8::Local<v8::Promise>();
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::MaybeLocal<v8::Promise::Resolver> resolver =
       v8::Promise::Resolver::New(isolate->GetCurrentContext());
@@ -178,8 +229,38 @@ v8::Local<v8::Promise> JSSolanaProvider::Request(gin::Arguments* arguments) {
 // Deprecated
 v8::Local<v8::Promise> JSSolanaProvider::SignTransaction(
     gin::Arguments* arguments) {
-  NOTIMPLEMENTED();
-  return v8::Local<v8::Promise>();
+  if (!EnsureConnected())
+    return v8::Local<v8::Promise>();
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  v8::MaybeLocal<v8::Promise::Resolver> resolver =
+      v8::Promise::Resolver::New(isolate->GetCurrentContext());
+  if (resolver.IsEmpty()) {
+    return v8::Local<v8::Promise>();
+  }
+  v8::Local<v8::Value> transaction;
+  if (arguments->Length() != 1 || !arguments->GetNext(&transaction)) {
+    arguments->ThrowError();
+    return v8::Local<v8::Promise>();
+  }
+  v8::MaybeLocal<v8::Value> serialized_msg = CallMethodOfObject(
+      render_frame_->GetWebFrame(), transaction, u"serializeMessage",
+      std::vector<v8::Local<v8::Value>>());
+  std::unique_ptr<base::Value> encoded_msg = v8_value_converter_->FromV8Value(
+      serialized_msg.ToLocalChecked(), isolate->GetCurrentContext());
+  if (!encoded_msg->is_string())
+    return v8::Local<v8::Promise>();
+
+  auto global_context(
+      v8::Global<v8::Context>(isolate, isolate->GetCurrentContext()));
+  auto promise_resolver(
+      v8::Global<v8::Promise::Resolver>(isolate, resolver.ToLocalChecked()));
+  solana_provider_->SignTransaction(
+      encoded_msg->GetString(),
+      base::BindOnce(&JSSolanaProvider::OnSignTransaction,
+                     weak_ptr_factory_.GetWeakPtr(), std::move(global_context),
+                     std::move(promise_resolver), isolate));
+
+  return resolver.ToLocalChecked()->GetPromise();
 }
 
 // Deprecated
@@ -242,6 +323,41 @@ void JSSolanaProvider::OnConnect(
   FireEvent(kConnectEvent, std::move(args));
 }
 
+void JSSolanaProvider::OnSignTransaction(
+    v8::Global<v8::Context> global_context,
+    v8::Global<v8::Promise::Resolver> promise_resolver,
+    v8::Isolate* isolate,
+    mojom::SolanaProviderError error,
+    const std::string& error_message,
+    const std::vector<uint8_t>& serialized_tx) {
+  v8::HandleScope handle_scope(isolate);
+  v8::MicrotasksScope microtasks(isolate,
+                                 v8::MicrotasksScope::kDoNotRunMicrotasks);
+  v8::Local<v8::Context> context = global_context.Get(isolate);
+  v8::Local<v8::Value> result;
+  v8::Local<v8::Value> v8_serialized_tx;
+  if (error == mojom::SolanaProviderError::kSuccess) {
+    // use @solana/web3.js and create Transaction from serialized tx
+    const base::Value serialized_tx_value(serialized_tx);
+    std::vector<v8::Local<v8::Value>> args;
+    args.push_back(
+        v8_value_converter_->ToV8Value(&serialized_tx_value, context));
+
+    v8::MaybeLocal<v8::Value> transaction_result =
+        CallMethodOfObject(render_frame_->GetWebFrame(), u"solana",
+                           u"createTransaction", std::move(args));
+    result = transaction_result.ToLocalChecked();
+  } else {
+    std::unique_ptr<base::Value> formed_response =
+        GetProviderErrorDictionary(error, error_message);
+    result = v8_value_converter_->ToV8Value(formed_response.get(), context);
+  }
+
+  SendResponse(std::move(global_context), std::move(promise_resolver), isolate,
+               std::move(result),
+               error == mojom::SolanaProviderError::kSuccess);
+}
+
 void JSSolanaProvider::SendResponse(
     v8::Global<v8::Context> global_context,
     v8::Global<v8::Promise::Resolver> promise_resolver,
diff --git a/components/brave_wallet/renderer/js_solana_provider.h b/components/brave_wallet/renderer/js_solana_provider.h
index 3234d8a624c..fbbdf635bff 100644
--- a/components/brave_wallet/renderer/js_solana_provider.h
+++ b/components/brave_wallet/renderer/js_solana_provider.h
@@ -29,6 +29,16 @@ class JSSolanaProvider final : public gin::Wrappable<JSSolanaProvider> {
 
   static gin::WrapperInfo kWrapperInfo;
 
+  class V8ConverterStrategy : public content::V8ValueConverter::Strategy {
+   public:
+    V8ConverterStrategy() = default;
+    ~V8ConverterStrategy() override = default;
+
+    bool FromV8ArrayBuffer(v8::Local<v8::Object> value,
+                           std::unique_ptr<base::Value>* out,
+                           v8::Isolate* isolate) override;
+  };
+
   static std::unique_ptr<JSSolanaProvider> Install(
       bool use_native_wallet,
       content::RenderFrame* render_frame,
@@ -47,6 +57,7 @@ class JSSolanaProvider final : public gin::Wrappable<JSSolanaProvider> {
 
   bool GetIsPhantom(gin::Arguments* arguments);
   bool GetIsConnected(gin::Arguments* arguments);
+  v8::Local<v8::Value> GetPublicKey(gin::Arguments* arguments);
   v8::Local<v8::Promise> Connect(gin::Arguments* arguments);
   v8::Local<v8::Promise> Disconnect(gin::Arguments* arguments);
   v8::Local<v8::Promise> SignAndSendTransaction(gin::Arguments* arguments);
@@ -68,6 +79,13 @@ class JSSolanaProvider final : public gin::Wrappable<JSSolanaProvider> {
                  const std::string& error_message,
                  const std::string& public_key);
 
+  void OnSignTransaction(v8::Global<v8::Context> global_context,
+                         v8::Global<v8::Promise::Resolver> promise_resolver,
+                         v8::Isolate* isolate,
+                         mojom::SolanaProviderError error,
+                         const std::string& error_message,
+                         const std::vector<uint8_t>& serialized_tx);
+
   void SendResponse(v8::Global<v8::Context> global_context,
                     v8::Global<v8::Promise::Resolver> promise_resolver,
                     v8::Isolate* isolate,
@@ -77,6 +95,7 @@ class JSSolanaProvider final : public gin::Wrappable<JSSolanaProvider> {
   bool use_native_wallet_ = false;
   raw_ptr<content::RenderFrame> render_frame_ = nullptr;
   std::unique_ptr<content::V8ValueConverter> v8_value_converter_;
+  V8ConverterStrategy strategy_;
   mojo::Remote<mojom::SolanaProvider> solana_provider_;
   base::WeakPtrFactory<JSSolanaProvider> weak_ptr_factory_{this};
 };
diff --git a/components/brave_wallet/renderer/v8_helper.cc b/components/brave_wallet/renderer/v8_helper.cc
index 9822649b84a..1ad237aa0b9 100644
--- a/components/brave_wallet/renderer/v8_helper.cc
+++ b/components/brave_wallet/renderer/v8_helper.cc
@@ -5,6 +5,8 @@
 
 #include "brave/components/brave_wallet/renderer/v8_helper.h"
 
+#include <utility>
+
 #include "gin/converter.h"
 #include "third_party/blink/public/web/web_local_frame.h"
 #include "v8/include/v8-function.h"
@@ -39,9 +41,27 @@ v8::MaybeLocal<v8::Value> CallMethodOfObject(
   v8::MicrotasksScope microtasks(v8::Isolate::GetCurrent(),
                                  v8::MicrotasksScope::kDoNotRunMicrotasks);
   v8::Local<v8::Value> object;
+  if (!GetProperty(context, context->Global(), object_name).ToLocal(&object)) {
+    return v8::Local<v8::Value>();
+  }
+
+  return CallMethodOfObject(web_frame, object, method_name, std::move(args));
+}
+
+v8::MaybeLocal<v8::Value> CallMethodOfObject(
+    blink::WebLocalFrame* web_frame,
+    v8::Local<v8::Value> object,
+    const std::u16string& method_name,
+    std::vector<v8::Local<v8::Value>>&& args) {
+  if (web_frame->IsProvisional())
+    return v8::Local<v8::Value>();
+  v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
+  v8::Local<v8::Context> context = web_frame->MainWorldScriptContext();
+  v8::Context::Scope context_scope(context);
+  v8::MicrotasksScope microtasks(v8::Isolate::GetCurrent(),
+                                 v8::MicrotasksScope::kDoNotRunMicrotasks);
   v8::Local<v8::Value> method;
-  if (!GetProperty(context, context->Global(), object_name).ToLocal(&object) ||
-      !GetProperty(context, object, method_name).ToLocal(&method)) {
+  if (!GetProperty(context, object, method_name).ToLocal(&method)) {
     return v8::Local<v8::Value>();
   }
 
diff --git a/components/brave_wallet/renderer/v8_helper.h b/components/brave_wallet/renderer/v8_helper.h
index b08d1c9438d..71fa7c7f6e5 100644
--- a/components/brave_wallet/renderer/v8_helper.h
+++ b/components/brave_wallet/renderer/v8_helper.h
@@ -29,6 +29,12 @@ v8::MaybeLocal<v8::Value> CallMethodOfObject(
     const std::u16string& method_name,
     std::vector<v8::Local<v8::Value>>&& args);
 
+v8::MaybeLocal<v8::Value> CallMethodOfObject(
+    blink::WebLocalFrame* web_frame,
+    v8::Local<v8::Value> object,
+    const std::u16string& method_name,
+    std::vector<v8::Local<v8::Value>>&& args);
+
 }  // namespace brave_wallet
 
 #endif  // BRAVE_COMPONENTS_BRAVE_WALLET_RENDERER_V8_HELPER_H_
diff --git a/components/brave_wallet/resources/brave_wallet_provider.js b/components/brave_wallet/resources/brave_wallet_provider.js
index 877211a5519..bfbdc6a5338 100644
--- a/components/brave_wallet/resources/brave_wallet_provider.js
+++ b/components/brave_wallet/resources/brave_wallet_provider.js
@@ -72,6 +72,9 @@ function solanaSetup() {
     result.publicKey = new solanaWeb3.PublicKey(base58Str)
     return result
   }
+  window.solana.createTransaction = function createTransaction(serializedTx) {
+    return solanaWeb3.Transaction.from(new Uint8Array(serializedTx))
+  }
   const EventEmitter = require('events')
   var SolanaEventEmitter = new EventEmitter()
   window.solana.on = SolanaEventEmitter.on
diff --git a/third_party/bitcoin-core/BUILD.gn b/third_party/bitcoin-core/BUILD.gn
index d390429c89f..158e42b1d43 100644
--- a/third_party/bitcoin-core/BUILD.gn
+++ b/third_party/bitcoin-core/BUILD.gn
@@ -28,8 +28,8 @@ static_library("bitcoin-core") {
   public_configs = [ ":external_config" ]
 
   visibility = [
-    "//brave/components/brave_wallet/browser:solana_utils",  # for base58
     "//brave/components/brave_wallet/browser/internal:hd_key",
+    "//brave/components/brave_wallet/common:solana_utils",  # for base58
   ]
 
   # Do NOT add any files here without security review