diff --git a/fireblocks_defi_sdk_py/chain.py b/fireblocks_defi_sdk_py/chain.py
index e1790c7..d630556 100644
--- a/fireblocks_defi_sdk_py/chain.py
+++ b/fireblocks_defi_sdk_py/chain.py
@@ -28,5 +28,3 @@ class Chain(Enum):
     OPTIMISM_KOVAN = "optimistic ethereum kovan"
     RONIN = "ronin"
     RONIN_TEST = "ronin_test"
-    ARBITRUM = "arbitrum"
-    ARBITRUM_GOERLI = "arbitrum_goerli"
diff --git a/fireblocks_defi_sdk_py/examples/basic_example.py b/fireblocks_defi_sdk_py/examples/basic_example.py
index e1825b6..5902947 100644
--- a/fireblocks_defi_sdk_py/examples/basic_example.py
+++ b/fireblocks_defi_sdk_py/examples/basic_example.py
@@ -10,7 +10,7 @@
 w3 = Web3(Web3.EthereumTesterProvider())
 print(w3.isConnected())
 CHAIN = Chain.ROPSTEN
-CONTRACT_ADDRESS = Web3.toChecksumAddress("0xcbe74e21b070a979b9d6426b11e876d4cb618daf")
+CONTRACT_ADDRESS = Web3.to_checksum_address("0xcbe74e21b070a979b9d6426b11e876d4cb618daf")
 EIP20_ABI = json.loads('[{"constant":false,"inputs":[{"name":"_greeting","type":"string"}],"name":"greet","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getGreeting","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"}]')
 GREETING = "Hello web3"
 
diff --git a/fireblocks_defi_sdk_py/examples/requirements.txt b/fireblocks_defi_sdk_py/examples/requirements.txt
index 2ba6d37..2e73637 100644
--- a/fireblocks_defi_sdk_py/examples/requirements.txt
+++ b/fireblocks_defi_sdk_py/examples/requirements.txt
@@ -1,3 +1,3 @@
-fireblocks-defi-sdk==1.0.2
+fireblocks-defi-sdk==1.1.0
 eth-tester==0.8.0b3
 py-evm==0.6.1a2
diff --git a/fireblocks_defi_sdk_py/examples/uniswap_example.py b/fireblocks_defi_sdk_py/examples/uniswap_example.py
index 6d6e79c..5463b3e 100644
--- a/fireblocks_defi_sdk_py/examples/uniswap_example.py
+++ b/fireblocks_defi_sdk_py/examples/uniswap_example.py
@@ -35,7 +35,7 @@ def approve_withdrawal_input_token():
                           external_wallet_address=erc20_input_token_proxy_addr,
                           chain=CHAIN)
     input_token_abi = json.loads(erc20_input_token_abi)
-    contract = w3.eth.contract(address=Web3.toChecksumAddress(erc20_input_token_addr), abi=input_token_abi)
+    contract = w3.eth.contract(address=Web3.to_checksum_address(erc20_input_token_addr), abi=input_token_abi)
     approve_tx = contract.functions.approve(uniswap_router_addr, 999999999).buildTransaction()
     tx_res = w3bridge.send_transaction(approve_tx, note="contract call approve")
     print(tx_res)
@@ -48,13 +48,13 @@ def call_uniswap_action():
                           external_wallet_address=uniswap_router_addr,
                           chain=CHAIN)
     uniswap_abi = json.loads(uniswap_router_abi)
-    contract = w3.eth.contract(address=Web3.toChecksumAddress(uniswap_router_addr), abi=uniswap_abi)
+    contract = w3.eth.contract(address=Web3.to_checksum_address(uniswap_router_addr), abi=uniswap_abi)
     deadline = (datetime.now() + timedelta(seconds=180)).timestamp()
     deadline = int(deadline)
     uniswap_call_tx = contract.functions.swapTokensForExactTokens(1000000000000, 100000000000,
-                                                [Web3.toChecksumAddress(erc20_input_token_proxy_addr),
-                                                 Web3.toChecksumAddress(output_token_addr)],
-                                                 Web3.toChecksumAddress(addr_to_get_output_tokens),
+                                                [Web3.to_checksum_address(erc20_input_token_proxy_addr),
+                                                 Web3.to_checksum_address(output_token_addr)],
+                                                 Web3.to_checksum_address(addr_to_get_output_tokens),
                                                  deadline).buildTransaction()
     tx_res = w3bridge.send_transaction(uniswap_call_tx, note="Uniswap contract call")
     print(tx_res)
diff --git a/fireblocks_defi_sdk_py/tokenization/examples/custom_token_example.py b/fireblocks_defi_sdk_py/tokenization/examples/custom_token_example.py
index d303419..a7db6c4 100644
--- a/fireblocks_defi_sdk_py/tokenization/examples/custom_token_example.py
+++ b/fireblocks_defi_sdk_py/tokenization/examples/custom_token_example.py
@@ -14,25 +14,25 @@
 FILE_PATH, MODE = "some/path/to/my/contract", "r"
 
 if __name__ == "__main__":
-    # We start by building a bridge to the Ropsten network, including initiating a CustomToken object which will
+    # We start by building a bridge to the Goerli network, including initiating a CustomToken object which will
     # represent our custom contract. In order to initiate a CustomToken, we will need a contract ABI. This can be read
     # from another file, passed as a variable declared locally, or fetched from EtherScan using fetch_abi(address). We
     # will use the first.
-    ropsten_bridge = Web3Bridge(SDK, VAULT_ID, CONTRACT_ADDRESS, Chain.ROPSTEN, WHITELISTED_CONTRACT_UUID)
+    goerli_bridge = Web3Bridge(SDK, VAULT_ID, Chain.GOERLI, CONTRACT_ADDRESS, WHITELISTED_CONTRACT_UUID)
     with open(FILE_PATH, MODE) as file:
         contract_abi = file.read()
-    custom_contract_bridge = CustomToken(ropsten_bridge, contract_abi)
+    custom_contract_bridge = CustomToken(goerli_bridge, contract_abi)
 
     # Let's assume our ABI holds a transferOwnership write function, and a contractOwner function (returning a boolean).
     # We will first validate we own the contract and then transfer it to another vault in our account.
-    checked_address = custom_contract_bridge.web_provider.toChecksumAddress(custom_contract_bridge.wallet_address)
+    checked_address = custom_contract_bridge.web_provider.to_checksum_address(custom_contract_bridge.wallet_address)
     if custom_contract_bridge.call_read_function("contractOwner", checked_address):
         # We will initiate another bridge, as we will need the wallet address, and we will later on transfer it back.
-        secondary_ropsten_bridge = Web3Bridge(SDK, SECONDARY_VAULT_ID, CONTRACT_ADDRESS, Chain.ROPSTEN,
-                                              WHITELISTED_CONTRACT_UUID)
-        secondary_contract_bridge = CustomToken(secondary_ropsten_bridge, contract_abi)
+        secondary_goerli_brdige = Web3Bridge(SDK, SECONDARY_VAULT_ID, Chain.GOERLI, CONTRACT_ADDRESS,
+                                             WHITELISTED_CONTRACT_UUID)
+        secondary_contract_bridge = CustomToken(secondary_goerli_brdige, contract_abi)
         building_params = {"from": checked_address}
-        secondary_address = secondary_contract_bridge.web_provider.toChecksumAddress(
+        secondary_address = secondary_contract_bridge.web_provider.to_checksum_address(
             secondary_contract_bridge.wallet_address)
         transfer_ownership_raw_transaction = custom_contract_bridge. \
             call_write_function("transferOwnership",
@@ -40,7 +40,7 @@
                                 building_params=building_params)
 
         transfer_ownership_transaction = custom_contract_bridge.submit_transaction(transfer_ownership_raw_transaction)
-        if ropsten_bridge.check_tx_is_completed(transfer_ownership_transaction['id']) == TRANSACTION_STATUS_COMPLETED:
+        if goerli_bridge.check_tx_is_completed(transfer_ownership_transaction['id']) == TRANSACTION_STATUS_COMPLETED:
             print("Successfully transferred ownership from first wallet to the second one.")
             # We will now transfer the ownership back to our original wallet.
             building_params['from'] = secondary_address
@@ -49,7 +49,7 @@
                                     checked_address,
                                     building_params=building_params)
             ownership_transaction = secondary_contract_bridge.submit_transaction(ownership_raw_transaction, "Returning")
-            if secondary_ropsten_bridge.check_tx_is_completed(ownership_transaction['id']) == \
+            if secondary_goerli_brdige.check_tx_is_completed(ownership_transaction['id']) == \
                     TRANSACTION_STATUS_COMPLETED:
                 print("Successfully transferred ownership from second wallet to the first one.")
             else:
diff --git a/fireblocks_defi_sdk_py/tokenization/examples/erc20_example.py b/fireblocks_defi_sdk_py/tokenization/examples/erc20_example.py
index 700e199..eddff8f 100644
--- a/fireblocks_defi_sdk_py/tokenization/examples/erc20_example.py
+++ b/fireblocks_defi_sdk_py/tokenization/examples/erc20_example.py
@@ -13,13 +13,13 @@
 TOKEN_AMOUNT = 10
 
 if __name__ == "__main__":
-    # We start by building a bridge to the Ropsten network, including initiating a CustomToken object which will
+    # We start by building a bridge to the Goerli network, including initiating a CustomToken object which will
     # represent our ERC20 contract. In order to initiate a CustomToken, we will need a contract ABI. This can be read
     # from another file, passed as a variable declared locally, or fetched from EtherScan using fetch_abi(address). We
     # will use the latter.
-    ropsten_bridge = Web3Bridge(SDK, VAULT_ID, CONTRACT_ADDRESS, Chain.ROPSTEN)
+    goerli_bridge = Web3Bridge(SDK, VAULT_ID, Chain.GOERLI, CONTRACT_ADDRESS)
     contract_abi = fetch_abi(CONTRACT_ADDRESS)
-    erc20_contract_bridge = CustomToken(ropsten_bridge, contract_abi)
+    erc20_contract_bridge = CustomToken(goerli_bridge, contract_abi)
 
     # We build functions through passing the function name exactly as it appears on the ABI, following by its arguments.
     # It's important to differentiate between a read (view) and write function. We will demonstrate both.
@@ -31,7 +31,7 @@
 
     # We will mint a token (function receives address & amount) to our own address and then send it to another address.
     # We will also have to add the sender under the building_params in the following format:
-    checked_address = erc20_contract_bridge.web_provider.toChecksumAddress(erc20_contract_bridge.wallet_address)
+    checked_address = erc20_contract_bridge.web_provider.to_checksum_address(erc20_contract_bridge.wallet_address)
     # Web3 only accepts checkedSum addresses.
     building_params = {"from": checked_address}
     mint_raw_transaction = erc20_contract_bridge.call_write_function("mint", checked_address,
@@ -39,7 +39,7 @@
                                                                      building_params=building_params)
     # We will now submit the transaction to Fireblocks.
     mint_transaction = erc20_contract_bridge.submit_transaction(mint_raw_transaction)
-    if ropsten_bridge.check_tx_is_completed(mint_transaction['id']) == TRANSACTION_STATUS_COMPLETED:
+    if goerli_bridge.check_tx_is_completed(mint_transaction['id']) == TRANSACTION_STATUS_COMPLETED:
         print(f"Successfully minted {TOKEN_AMOUNT} to {erc20_contract_bridge.wallet_address}")
         transfer_raw_transaction = erc20_contract_bridge.call_write_function("transferFrom",
                                                                              checked_address,
@@ -47,7 +47,7 @@
                                                                              building_params=building_params)
         transfer_transaction = erc20_contract_bridge.submit_transaction(transfer_raw_transaction,
                                                                         "Transferring 10 minted tokens.")
-        if ropsten_bridge.check_tx_is_completed(transfer_transaction['id']):
+        if goerli_bridge.check_tx_is_completed(transfer_transaction['id']):
             print(
                 f"Successfully transferred {TOKEN_AMOUNT} from {erc20_contract_bridge.wallet_address} to "
                 f"{RECEIVER_ADDRESS}")
diff --git a/fireblocks_defi_sdk_py/tokenization/examples/multi_token_example.py b/fireblocks_defi_sdk_py/tokenization/examples/multi_token_example.py
index 27cf5b4..260914d 100644
--- a/fireblocks_defi_sdk_py/tokenization/examples/multi_token_example.py
+++ b/fireblocks_defi_sdk_py/tokenization/examples/multi_token_example.py
@@ -14,9 +14,9 @@
 TOKEN_IDS = [1, 2]
 
 if __name__ == "__main__":
-    # We start by building a bridge to the Kovan network, including initiating a ERC1155 object.
-    kovan_bridge = Web3Bridge(SDK, VAULT_ID, CONTRACT, Chain.KOVAN)
-    multi_token_contract_bridge = ERC1155(kovan_bridge)
+    # We start by building a bridge to the Goerli network, including initiating a ERC1155 object.
+    goerli_bridge = Web3Bridge(SDK, VAULT_ID, Chain.GOERLI, CONTRACT)
+    multi_token_contract_bridge = ERC1155(goerli_bridge)
 
     # ERC1155 implements all the basic capabilities mentioned in ERC721:
     # https://ethereum.org/en/developers/docs/standards/tokens/erc-1155/
@@ -31,7 +31,7 @@
         transfer_tokens = multi_token_contract_bridge.safe_batch_transfer_from(RECEIVER_ADDRESSES, TOKEN_IDS,
                                                                                tokens_balance,
                                                                                note="Transfer to another vault.")
-        transfer_result = kovan_bridge.check_tx_is_completed(transfer_tokens['id'])
+        transfer_result = goerli_bridge.check_tx_is_completed(transfer_tokens['id'])
 
         if transfer_result == TRANSACTION_STATUS_COMPLETED:
             print(f"{RECEIVER_ADDRESSES} now owns {tokens_balance} of tokens: {TOKEN_IDS}")
diff --git a/fireblocks_defi_sdk_py/tokenization/examples/nft_example.py b/fireblocks_defi_sdk_py/tokenization/examples/nft_example.py
index 925303e..1d453b9 100644
--- a/fireblocks_defi_sdk_py/tokenization/examples/nft_example.py
+++ b/fireblocks_defi_sdk_py/tokenization/examples/nft_example.py
@@ -13,9 +13,9 @@
 TOKEN_ID = 1
 
 if __name__ == "__main__":
-    # We start by building a bridge to the Ropsten network, including initiating a ERC721 object.
-    ropsten_bridge = Web3Bridge(SDK, VAULT_ID, CONTRACT_ADDRESS, Chain.ROPSTEN)
-    nft_contract_bridge = ERC721(ropsten_bridge)
+    # We start by building a bridge to the Goerli network, including initiating a ERC721 object.
+    goerli_bridge = Web3Bridge(SDK, VAULT_ID, Chain.GOERLI, CONTRACT_ADDRESS)
+    nft_contract_bridge = ERC721(goerli_bridge)
 
     # ERC721 implements all the basic capabilities mentioned in ERC721:
     # https://ethereum.org/en/developers/docs/standards/tokens/erc-721/
@@ -40,7 +40,7 @@
             receiver_initial_balance = nft_contract_bridge.balance_of(RECEIVER_ADDRESS)
             # safe_transfer_from returns a dictionary with a status and id.
             transaction = nft_contract_bridge.safe_transfer_from(RECEIVER_ADDRESS, TOKEN_ID)
-            transaction_result = ropsten_bridge.check_tx_is_completed(transaction['id'])
+            transaction_result = goerli_bridge.check_tx_is_completed(transaction['id'])
 
             if transaction_result == TRANSACTION_STATUS_COMPLETED:
                 # After the transaction has been completed we check whether the balance of the receiver has been updated
diff --git a/fireblocks_defi_sdk_py/tokenization/tokens/base_token.py b/fireblocks_defi_sdk_py/tokenization/tokens/base_token.py
index c68a91a..e44161a 100644
--- a/fireblocks_defi_sdk_py/tokenization/tokens/base_token.py
+++ b/fireblocks_defi_sdk_py/tokenization/tokens/base_token.py
@@ -17,7 +17,7 @@ def __init__(self, web3_bridge: Web3Bridge):
         self.web_provider = web3_bridge.web_provider
         self.abi = None
         self.contract: contract = self.web_provider.eth.contract(
-            address=self.web_provider.toChecksumAddress(self.web3_bridge.external_wallet_address)
+            address=self.web_provider.to_checksum_address(self.web3_bridge.external_wallet_address)
         )
 
     def __str__(self):
@@ -42,11 +42,11 @@ def call_write_function(self, abi_function: str, *args, building_params: dict =
         """
         if not building_params:
             building_params = {}
-        return self.contract.get_function_by_name(abi_function)(*args).buildTransaction(building_params)
+        return self.contract.get_function_by_name(abi_function)(*args).build_transaction(building_params)
 
     def submit_transaction(self, transaction: dict, note: str = "") -> dict:
         """
-        Takes a ready transaction after being built (using web3 buildTransaction()) and transmits it to Fireblocks.
+        Takes a ready transaction after being built (using web3 build_transaction()) and transmits it to Fireblocks.
         :param note:
         :param transaction:
         :return:
diff --git a/fireblocks_defi_sdk_py/tokenization/tokens/custom_token.py b/fireblocks_defi_sdk_py/tokenization/tokens/custom_token.py
index 2a08cf0..3b9bc6b 100644
--- a/fireblocks_defi_sdk_py/tokenization/tokens/custom_token.py
+++ b/fireblocks_defi_sdk_py/tokenization/tokens/custom_token.py
@@ -6,6 +6,6 @@ def __init__(self, web3_bridge: Web3Bridge, custom_abi: str):
         super().__init__(web3_bridge)
         self.abi = custom_abi
         self.contract = self.web_provider.eth.contract(
-            address=self.web_provider.toChecksumAddress(self.web3_bridge.external_wallet_address),
+            address=self.web_provider.to_checksum_address(self.web3_bridge.external_wallet_address),
             abi=self.abi
         )
diff --git a/fireblocks_defi_sdk_py/tokenization/tokens/erc1155.py b/fireblocks_defi_sdk_py/tokenization/tokens/erc1155.py
index 43dad24..d8b46d6 100644
--- a/fireblocks_defi_sdk_py/tokenization/tokens/erc1155.py
+++ b/fireblocks_defi_sdk_py/tokenization/tokens/erc1155.py
@@ -9,7 +9,7 @@ def __init__(self, web3_bridge: Web3Bridge):
         super().__init__(web3_bridge)
         self.abi = ERC1155_ABI
         self.contract: contract = self.web_provider.eth.contract(
-            address=self.web_provider.toChecksumAddress(self.web3_bridge.external_wallet_address),
+            address=self.web_provider.to_checksum_address(self.web3_bridge.external_wallet_address),
             abi=self.abi
         )
 
@@ -22,7 +22,7 @@ def set_approval_for_all(self, operator_address: str, is_approved: bool, note: s
         :param note: (Optional) Add a note to the transaction.
         :return: None
         """
-        checked_op_adr = self.web_provider.toChecksumAddress(operator_address)
+        checked_op_adr = self.web_provider.to_checksum_address(operator_address)
         return self.submit_transaction(self.call_write_function("setApprovalForAll", checked_op_adr, is_approved), note)
 
     def safe_transfer_from(self, to_address: str, token_id: int, amount: int, from_address: str = "",
@@ -38,9 +38,9 @@ def safe_transfer_from(self, to_address: str, token_id: int, amount: int, from_a
         """
         if not from_address:
             from_address = self.wallet_address
-        address_dict = {"from": self.web_provider.toChecksumAddress(from_address)}
-        checked_from_adr = self.web_provider.toChecksumAddress(from_address)
-        checked_to_adr = self.web_provider.toChecksumAddress(to_address)
+        address_dict = {"from": self.web_provider.to_checksum_address(from_address)}
+        checked_from_adr = self.web_provider.to_checksum_address(from_address)
+        checked_to_adr = self.web_provider.to_checksum_address(to_address)
 
         transaction = self.contract.functions.safeTransferFrom(
             checked_from_adr,
@@ -48,7 +48,7 @@ def safe_transfer_from(self, to_address: str, token_id: int, amount: int, from_a
             token_id,
             amount,
             data
-        ).buildTransaction(address_dict)
+        ).build_transaction(address_dict)
 
         return self.submit_transaction(transaction, note)
 
@@ -71,9 +71,9 @@ def safe_batch_transfer_from(self, to_address: str, token_ids: List[int], values
         """
         if not from_address:
             from_address = self.wallet_address
-        address_dict = {"from": self.web_provider.toChecksumAddress(from_address)}
-        checked_from_adr = self.web_provider.toChecksumAddress(from_address)
-        checked_to_adr = self.web_provider.toChecksumAddress(to_address)
+        address_dict = {"from": self.web_provider.to_checksum_address(from_address)}
+        checked_from_adr = self.web_provider.to_checksum_address(from_address)
+        checked_to_adr = self.web_provider.to_checksum_address(to_address)
         if len(token_ids) != len(values):
             raise ValueError("Length of token_ids and values must match!")
 
@@ -83,7 +83,7 @@ def safe_batch_transfer_from(self, to_address: str, token_ids: List[int], values
             token_ids,
             values,
             data
-        ).buildTransaction(address_dict)
+        ).build_transaction(address_dict)
 
         return self.submit_transaction(transaction, note)
 
@@ -117,7 +117,7 @@ def balance_of_batch(self, id_list: List[int], owners_list=None) -> List[int]:
         """
         if not owners_list:
             owners_list = [self.wallet_address] * len(id_list)
-        checked_addresses = [self.web_provider.toChecksumAddress(address) for address in owners_list]
+        checked_addresses = [self.web_provider.to_checksum_address(address) for address in owners_list]
         return self.call_read_function("balanceOfBatch", checked_addresses, id_list)
 
     def is_approved_for_all(self, operator_address: str, owner_address: str = "") -> bool:
@@ -129,8 +129,8 @@ def is_approved_for_all(self, operator_address: str, owner_address: str = "") ->
         """
         if not owner_address:
             owner_address = self.wallet_address
-        owner_checked_address = self.web_provider.toChecksumAddress(owner_address)
-        operator_checked_address = self.web_provider.toChecksumAddress(operator_address)
+        owner_checked_address = self.web_provider.to_checksum_address(owner_address)
+        operator_checked_address = self.web_provider.to_checksum_address(operator_address)
         return self.call_read_function("isApprovedForAll", owner_checked_address, operator_checked_address)
 
     def uri(self, token_id: int) -> str:
diff --git a/fireblocks_defi_sdk_py/tokenization/tokens/erc721.py b/fireblocks_defi_sdk_py/tokenization/tokens/erc721.py
index d904186..a58619f 100644
--- a/fireblocks_defi_sdk_py/tokenization/tokens/erc721.py
+++ b/fireblocks_defi_sdk_py/tokenization/tokens/erc721.py
@@ -7,7 +7,7 @@ def __init__(self, web3_bridge: Web3Bridge):
         super().__init__(web3_bridge)
         self.abi = ERC721_ABI
         self.contract: contract = self.web_provider.eth.contract(
-            address=self.web_provider.toChecksumAddress(self.web3_bridge.external_wallet_address),
+            address=self.web_provider.to_checksum_address(self.web3_bridge.external_wallet_address),
             abi=self.abi
         )
 
@@ -21,10 +21,10 @@ def approve(self, to_address: str, token_id: int, approver_address: str = "", no
         :param note: (Optional) Add a note to the transaction.
         :return: None
         """
-        checked_app_adr = self.web_provider.toChecksumAddress(to_address)
+        checked_app_adr = self.web_provider.to_checksum_address(to_address)
         if not approver_address:
             approver_address = self.wallet_address
-        address_dict = {"from": self.web_provider.toChecksumAddress(approver_address)}
+        address_dict = {"from": self.web_provider.to_checksum_address(approver_address)}
         return self.submit_transaction(self.call_write_function("approve", checked_app_adr, token_id,
                                                                 building_params=address_dict), note)
 
@@ -41,23 +41,23 @@ def safe_transfer_from(self, to_address: str, token_id: int, from_address: str =
         """
         if not from_address:
             from_address = self.wallet_address
-        address_dict = {"from": self.web_provider.toChecksumAddress(from_address)}
-        checked_from_adr = self.web_provider.toChecksumAddress(from_address)
-        checked_to_adr = self.web_provider.toChecksumAddress(to_address)
+        address_dict = {"from": self.web_provider.to_checksum_address(from_address)}
+        checked_from_adr = self.web_provider.to_checksum_address(from_address)
+        checked_to_adr = self.web_provider.to_checksum_address(to_address)
         if data:
             transaction = self.contract.functions.safeTransferFrom(
                 checked_from_adr,
                 checked_to_adr,
                 token_id,
                 data
-            ).buildTransaction(address_dict)
+            ).build_transaction(address_dict)
 
         else:
             transaction = self.contract.functions.safeTransferFrom(
                 checked_from_adr,
                 checked_to_adr,
                 token_id
-            ).buildTransaction(address_dict)
+            ).build_transaction(address_dict)
 
         return self.submit_transaction(transaction, note)
 
@@ -73,9 +73,9 @@ def transfer_from(self, to_address: str, token_id: int, from_address: str = "",
         """
         if not from_address:
             from_address = self.wallet_address
-        address_dict = {"from": self.web_provider.toChecksumAddress(from_address)}
-        checked_from_adr = self.web_provider.toChecksumAddress(from_address)
-        checked_to_adr = self.web_provider.toChecksumAddress(to_address)
+        address_dict = {"from": self.web_provider.to_checksum_address(from_address)}
+        checked_from_adr = self.web_provider.to_checksum_address(from_address)
+        checked_to_adr = self.web_provider.to_checksum_address(to_address)
         return self.submit_transaction(self.call_write_function("transferFrom",
                                                                 checked_from_adr,
                                                                 checked_to_adr,
@@ -90,7 +90,7 @@ def set_approval_for_all(self, operator_address: str, is_approved: bool, note: s
         :param note: (Optional) Add a note to the transaction.
         :return: None
         """
-        checked_op_adr = self.web_provider.toChecksumAddress(operator_address)
+        checked_op_adr = self.web_provider.to_checksum_address(operator_address)
         return self.submit_transaction(self.call_write_function("setApprovalForAll", checked_op_adr, is_approved), note)
 
     # Views
@@ -118,8 +118,8 @@ def is_approved_for_all(self, owner_address: str, operator_address: str) -> bool
         :param operator_address: Address of the meant to be operator.
         :return: True whether operator is approved, False otherwise
         """
-        owner_checked_address = self.web_provider.toChecksumAddress(owner_address)
-        operator_checked_address = self.web_provider.toChecksumAddress(operator_address)
+        owner_checked_address = self.web_provider.to_checksum_address(owner_address)
+        operator_checked_address = self.web_provider.to_checksum_address(operator_address)
         return self.call_read_function("isApprovedForAll", owner_checked_address, operator_checked_address)
 
     def balance_of(self, owner_address: str = "") -> int:
@@ -130,7 +130,7 @@ def balance_of(self, owner_address: str = "") -> int:
         """
         if not owner_address:
             owner_address = self.wallet_address
-        owner_checked_address = self.web_provider.toChecksumAddress(owner_address)
+        owner_checked_address = self.web_provider.to_checksum_address(owner_address)
         return self.call_read_function("balanceOf", owner_checked_address)
 
     def owner_of(self, token_id: int) -> str:
diff --git a/fireblocks_defi_sdk_py/web3_bridge.py b/fireblocks_defi_sdk_py/web3_bridge.py
index ddd20f6..91562a7 100644
--- a/fireblocks_defi_sdk_py/web3_bridge.py
+++ b/fireblocks_defi_sdk_py/web3_bridge.py
@@ -35,7 +35,6 @@
     Chain.OPTIMISM: ('ETH-OPT', "https://rpc.ankr.com/optimism"),
     Chain.OPTIMISM_KOVAN: ('ETH-OPT_KOV', "https://optimism-kovan.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161"),
     Chain.RONIN: ('RON', "https://api.roninchain.com/rpc"),
-    Chain.ARBITRUM: ('ETH-AETH', "https://rpc.ankr.com/arbitrum"),
     Chain.ARBITRUM_GOERLI: ('ETH-AETH_RIN', "https://goerli-rollup.arbitrum.io/rpc")
 }
 
@@ -63,7 +62,7 @@ def __init__(self, fb_api_client: FireblocksSDK,
 
     def send_transaction(self, transaction: dict, note="") -> dict:
         """
-        Takes a ready transaction after being built (using web3 buildTransaction()) and transmits it to Fireblocks.
+        Takes a ready transaction after being built (using web3 build_transaction()) and transmits it to Fireblocks.
         :param transaction: A transaction object (dict) to submit to the blockchain.
         :param note: (Optional) A note to submit with the transaction.
         :return:
diff --git a/setup.py b/setup.py
index 1a4919c..f0ac84d 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
         'fireblocks_defi_sdk_py.tokenization.utils',
         'fireblocks_defi_sdk_py.tokenization.examples'
     ],
-    version='1.0.2',
+    version='1.1.0',
     license='MIT',
     description='fireblocks_defi_sdk_py',
     long_description="""Fireblocks python SDK""",
@@ -20,8 +20,8 @@
     download_url='https://github.com/fireblocks/fireblocks-defi-sdk-py/archive/refs/tags/1.0.2.tar.gz',
     keywords=['FIREBLOCKS', 'DeFi', 'SDK', 'PYTHON'],
     install_requires=[
-        'fireblocks_sdk==1.17.3',
-        'web3==5.26.0'
+        'fireblocks_sdk==1.19.0',
+        'web3==6.2.0'
     ],
     classifiers=[
         'Development Status :: 3 - Alpha',