diff --git a/ethereum-plugin-sdk b/ethereum-plugin-sdk
index 8a16dbe..3a79796 160000
--- a/ethereum-plugin-sdk
+++ b/ethereum-plugin-sdk
@@ -1 +1 @@
-Subproject commit 8a16dbefb7c59e5e0c8e63f7deb1e0f54fadf646
+Subproject commit 3a797967f43ec1a055c3b44f03a2b86829f72c77
diff --git a/src/eth_plugin_interface.h b/src/eth_plugin_interface.h
index 512716e..31cbbde 100644
--- a/src/eth_plugin_interface.h
+++ b/src/eth_plugin_interface.h
@@ -76,7 +76,7 @@ typedef struct ethPluginInitContract_t {
     ethPluginSharedRO_t *pluginSharedRO;
     uint8_t *pluginContext;
     size_t pluginContextLength;
-    uint8_t *selector;  // 4 bytes selector
+    const uint8_t *selector;  // 4 bytes selector
     size_t dataSize;
 
     char *alias;  // 29 bytes alias if ETH_PLUGIN_RESULT_OK_ALIAS set
@@ -89,7 +89,7 @@ typedef struct ethPluginProvideParameter_t {
     ethPluginSharedRW_t *pluginSharedRW;
     ethPluginSharedRO_t *pluginSharedRO;
     uint8_t *pluginContext;
-    uint8_t *parameter;  // 32 bytes parameter
+    const uint8_t *parameter;  // 32 bytes parameter
     uint32_t parameterOffset;
 
     uint8_t result;
@@ -106,9 +106,9 @@ typedef struct ethPluginFinalize_t {
     uint8_t *tokenLookup1;  // set by the plugin if a token should be looked up
     uint8_t *tokenLookup2;
 
-    uint8_t *amount;   // set an uint256 pointer if uiType is UI_AMOUNT_ADDRESS
-    uint8_t *address;  // set to the destination address if uiType is UI_AMOUNT_ADDRESS. Set to the
-                       // user's address if uiType is UI_TYPE_GENERIC
+    const uint8_t *amount;   // set an uint256 pointer if uiType is UI_AMOUNT_ADDRESS
+    const uint8_t *address;  // set to the destination address if uiType is UI_AMOUNT_ADDRESS. Set
+                             // to the user's address if uiType is UI_TYPE_GENERIC
 
     uint8_t uiType;
     uint8_t numScreens;  // ignored if uiType is UI_AMOUNT_ADDRESS
diff --git a/src/eth_plugin_internal.c b/src/eth_plugin_internal.c
index a4789f1..c9858a8 100644
--- a/src/eth_plugin_internal.c
+++ b/src/eth_plugin_internal.c
@@ -5,12 +5,12 @@ bool erc20_plugin_available_check(void);
 void erc20_plugin_call(int message, void* parameters);
 void compound_plugin_call(int message, void* parameters);
 
-void copy_address(uint8_t* dst, uint8_t* parameter, uint8_t dst_size) {
+void copy_address(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size) {
     uint8_t copy_size = MIN(dst_size, ADDRESS_LENGTH);
     memmove(dst, parameter + PARAMETER_LENGTH - copy_size, copy_size);
 }
 
-void copy_parameter(uint8_t* dst, uint8_t* parameter, uint8_t dst_size) {
+void copy_parameter(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size) {
     uint8_t copy_size = MIN(dst_size, PARAMETER_LENGTH);
     memmove(dst, parameter, copy_size);
 }
diff --git a/src/eth_plugin_internal.h b/src/eth_plugin_internal.h
index 4f10ec5..3285d73 100644
--- a/src/eth_plugin_internal.h
+++ b/src/eth_plugin_internal.h
@@ -6,9 +6,9 @@
 #define PARAMETER_LENGTH 32
 #define RUN_APPLICATION  1
 
-void copy_address(uint8_t* dst, uint8_t* parameter, uint8_t dst_size);
+void copy_address(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size);
 
-void copy_parameter(uint8_t* dst, uint8_t* parameter, uint8_t dst_size);
+void copy_parameter(uint8_t* dst, const uint8_t* parameter, uint8_t dst_size);
 
 void erc721_plugin_call(int message, void* parameters);
 void erc1155_plugin_call(int message, void* parameters);
diff --git a/src/utils.c b/src/utils.c
index 63d9230..fdda1c0 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -115,7 +115,7 @@ void amountToString(const uint8_t *amount,
                     uint8_t decimals,
                     const char *ticker,
                     char *out_buffer,
-                    uint8_t out_buffer_size) {
+                    size_t out_buffer_size) {
     char tmp_buffer[100] = {0};
 
     if (uint256_to_decimal(amount, amount_size, tmp_buffer, sizeof(tmp_buffer)) == false) {
diff --git a/src/utils.h b/src/utils.h
index 6ee5d45..be5ba3e 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -37,7 +37,7 @@ void amountToString(const uint8_t* amount,
                     uint8_t decimals,
                     const char* ticker,
                     char* out_buffer,
-                    uint8_t out_buffer_size);
+                    size_t out_buffer_size);
 
 bool parse_swap_config(uint8_t* config, uint8_t config_len, char* ticker, uint8_t* decimals);
 
diff --git a/src_common/ethUtils.c b/src_common/ethUtils.c
index d3c71b0..4239136 100644
--- a/src_common/ethUtils.c
+++ b/src_common/ethUtils.c
@@ -243,10 +243,10 @@ uint8_t *getNftContractAddress(const ethQueryContractUI_t *const msg) {
                          : msg->pluginSharedRO->txContent->destination);
 }
 
-bool adjustDecimals(char *src,
-                    uint32_t srcLength,
+bool adjustDecimals(const char *src,
+                    size_t srcLength,
                     char *target,
-                    uint32_t targetLength,
+                    size_t targetLength,
                     uint8_t decimals) {
     uint32_t startOffset;
     uint32_t lastZeroOffset = 0;
diff --git a/src_common/ethUtils.h b/src_common/ethUtils.h
index af88517..1099080 100644
--- a/src_common/ethUtils.h
+++ b/src_common/ethUtils.h
@@ -61,10 +61,10 @@ void getEthDisplayableAddress(uint8_t *in,
 
 uint8_t *getNftContractAddress(const ethQueryContractUI_t *const msg);
 
-bool adjustDecimals(char *src,
-                    uint32_t srcLength,
+bool adjustDecimals(const char *src,
+                    size_t srcLength,
                     char *target,
-                    uint32_t targetLength,
+                    size_t targetLength,
                     uint8_t decimals);
 
 static __attribute__((no_instrument_function)) inline int allzeroes(void *buf, size_t n) {
diff --git a/src_common/network.c b/src_common/network.c
index f568855..392b7d5 100644
--- a/src_common/network.c
+++ b/src_common/network.c
@@ -45,27 +45,27 @@ uint64_t get_chain_id(void) {
     return chain_id;
 }
 
-network_info_t *get_network(void) {
+const network_info_t *get_network(void) {
     uint64_t chain_id = get_chain_id();
-    for (uint8_t i = 0; i < sizeof(NETWORK_MAPPING) / sizeof(*NETWORK_MAPPING); i++) {
+    for (size_t i = 0; i < sizeof(NETWORK_MAPPING) / sizeof(*NETWORK_MAPPING); i++) {
         if (NETWORK_MAPPING[i].chain_id == chain_id) {
-            return (network_info_t *) PIC(&NETWORK_MAPPING[i]);
+            return (const network_info_t *) PIC(&NETWORK_MAPPING[i]);
         }
     }
     return NULL;
 }
 
-char *get_network_name(void) {
-    network_info_t *network = get_network();
+const char *get_network_name(void) {
+    const network_info_t *network = get_network();
     if (network == NULL) {
         return NULL;
     } else {
-        return (char *) PIC(network->name);
+        return (const char *) PIC(network->name);
     }
 }
 
-char *get_network_ticker(void) {
-    network_info_t *network = get_network();
+const char *get_network_ticker(void) {
+    const network_info_t *network = get_network();
     if (network == NULL) {
         return chainConfig->coinName;
     } else {
diff --git a/src_common/network.h b/src_common/network.h
index 23bffc1..7a6d2fc 100644
--- a/src_common/network.h
+++ b/src_common/network.h
@@ -13,8 +13,8 @@ typedef struct network_info_s {
 // Returns the current chain id. Defaults to 0 if txType was not found.
 uint64_t get_chain_id(void);
 // Returns a pointer to the network struct, or NULL if there is none.
-network_info_t *get_network(void);
+const network_info_t *get_network(void);
 // Returns a pointer to the network name, or NULL if there is none.
-char *get_network_name(void);
+const char *get_network_name(void);
 // Returns a pointer to the network ticker, or chainConfig->coinName if there is none.
-char *get_network_ticker(void);
\ No newline at end of file
+const char *get_network_ticker(void);
\ No newline at end of file
diff --git a/src_features/signTx/logic_signTx.c b/src_features/signTx/logic_signTx.c
index 6c65cff..eb8e10f 100644
--- a/src_features/signTx/logic_signTx.c
+++ b/src_features/signTx/logic_signTx.c
@@ -214,7 +214,7 @@ static void computeFees(txInt256_t *BEgasPrice, txInt256_t *BEgasLimit, uint256_
 }
 
 static void feesToString(uint256_t *rawFee, char *displayBuffer, uint32_t displayBufferSize) {
-    char *feeTicker = get_network_ticker();
+    const char *feeTicker = get_network_ticker();
     uint8_t tickerOffset = 0;
     uint32_t i;
 
@@ -261,7 +261,7 @@ void prepareFeeDisplay() {
 }
 
 void prepareNetworkDisplay() {
-    char *name = get_network_name();
+    const char *name = get_network_name();
     if (name == NULL) {
         // No network name found so simply copy the chain ID as the network name.
         uint64_t chain_id = get_chain_id();
@@ -296,7 +296,7 @@ static void get_public_key(uint8_t *out, uint8_t outLength) {
 void finalizeParsing(bool direct) {
     char displayBuffer[50];
     uint8_t decimals = WEI_TO_ETHER;
-    char *ticker = get_network_ticker();
+    const char *ticker = get_network_ticker();
     ethPluginFinalize_t pluginFinalize;
     bool genericUI = true;
 
diff --git a/src_plugins/starkware/starkware_plugin.c b/src_plugins/starkware/starkware_plugin.c
index 104675b..11f7d8e 100644
--- a/src_plugins/starkware/starkware_plugin.c
+++ b/src_plugins/starkware/starkware_plugin.c
@@ -185,7 +185,7 @@ bool is_deversify_contract(const uint8_t *address) {
 }
 
 // TODO : rewrite as independant code
-bool starkware_verify_asset_id(uint8_t *tmp32, uint8_t *tokenId, bool assetTypeOnly) {
+bool starkware_verify_asset_id(uint8_t *tmp32, const uint8_t *tokenId, bool assetTypeOnly) {
     if (quantumSet) {
         cx_sha3_t sha3;
         tokenDefinition_t *currentToken = NULL;
@@ -214,7 +214,7 @@ bool starkware_verify_asset_id(uint8_t *tmp32, uint8_t *tokenId, bool assetTypeO
     return true;
 }
 
-bool starkware_verify_token(uint8_t *token) {
+bool starkware_verify_token(const uint8_t *token) {
     if (quantumSet) {
         if (dataContext.tokenContext.quantumIndex != MAX_ITEMS) {
             tokenDefinition_t *currentToken =
@@ -235,7 +235,7 @@ bool starkware_verify_token(uint8_t *token) {
     return true;
 }
 
-bool starkware_verify_quantum(uint8_t *quantum) {
+bool starkware_verify_quantum(const uint8_t *quantum) {
     if (quantumSet) {
         if (dataContext.tokenContext.quantumIndex != MAX_ITEMS) {
             if (memcmp(quantum, dataContext.tokenContext.quantum, 32) != 0) {
@@ -254,7 +254,7 @@ bool starkware_verify_quantum(uint8_t *quantum) {
     return true;
 }
 
-bool starkware_verify_nft_token_id(uint8_t *tokenId) {
+bool starkware_verify_nft_token_id(const uint8_t *tokenId) {
     if (!quantumSet) {
         PRINTF("Quantum not set\n");
         return false;