diff --git a/blockapi/test/v2/test_blockchain_mapping.py b/blockapi/test/v2/test_blockchain_mapping.py
index 80e48f1a..14f6b751 100644
--- a/blockapi/test/v2/test_blockchain_mapping.py
+++ b/blockapi/test/v2/test_blockchain_mapping.py
@@ -21,7 +21,11 @@ def test_map_none():
     'chain,expected',
     [
         ('ShibChain', Blockchain.SHIBA_CHAIN),
+        ('aelf', Blockchain.AELF),
+        ('aleph-zero', Blockchain.ALEPH_ZERO),
+        ('alienx', Blockchain.ALIEN_X),
         ('ancient8', Blockchain.ANCIENT8),
+        ('apechain', Blockchain.APECHAIN),
         ('aptos', Blockchain.APTOS),
         ('archway', Blockchain.ARCHWAY),
         ('areon-network', Blockchain.AREON),
@@ -39,56 +43,79 @@ def test_map_none():
         ('bsquared-network', Blockchain.B2),
         ('callisto', Blockchain.CALLISTO),
         ('casper-network', Blockchain.CASPER),
+        ('chia', Blockchain.CHIA),
+        ('chihuahua', Blockchain.CHIHUAHUA),
         ('comdex', Blockchain.COMDEX),
         ('core', Blockchain.CORE_CHAIN),
+        ('coreum', Blockchain.COREUM),
         ('crescent', Blockchain.CRESCENT),
+        ('cronos-zkevm', Blockchain.CRONOS_ZKEVM),
         ('defi-kingdoms-blockchain', Blockchain.DEFI_KINGDOMS),
         ('defichain', Blockchain.DEFI),
+        ('defichain-evm', Blockchain.DEFICHAIN_EVM),
+        ('defiverse', Blockchain.DEFIVERSE),
         ('drc-20', Blockchain.DRC_20),
+        ('elysium', Blockchain.ELYSIUM),
         ('empire', Blockchain.EMPIRE),
         ('endurance', Blockchain.ENDURANCE),
         ('eos-evm', Blockchain.EOS),
+        ('etherlink', Blockchain.ETHERLINK),
         ('exosama', Blockchain.EXOSAMA),
         ('filecoin', Blockchain.FILECOIN),
         ('flare-network', Blockchain.FLARE),
+        ('flow-evm', Blockchain.FLOW),
         ('fraxtal', Blockchain.FRAXTAL),
         ('function-x', Blockchain.FUNCTION_X),
         ('galachain', Blockchain.GALA),
         ('genesys-network', Blockchain.GENESYS),
+        ('graphlinq-chain', Blockchain.GRAPHLINQ_CHAIN),
+        ('gravity-alpha', Blockchain.GRAVITY_ALPHA),
         ('gravity-bridge', Blockchain.GRAVITY_BRIDGE),
+        ('haqq-network', Blockchain.HAQQ_NETWORK),
         ('hoo', Blockchain.HOO_SMART_CHAIN),
         ('hyperliquid', Blockchain.HYPERLIQUID),
         ('hypra-network', Blockchain.HYPRA_NETWORK),
         ('immutable', Blockchain.IMMUTABLE),
+        ('inevm', Blockchain.INEVM),
         ('iota-evm', Blockchain.IOTA_EVM),
         ('kadena', Blockchain.KADENA),
+        ('kasplex', Blockchain.KASPLEX),
         ('kujira', Blockchain.KUJIRA),
+        ('laikachain', Blockchain.LAIKACHAIN),
         ('linea', Blockchain.LINEA),
         ('lisk', Blockchain.LISK),
         ('mainnetz', Blockchain.MAINNETZ),
         ('mantle', Blockchain.MANTLE),
         ('massa', Blockchain.MASSA),
+        ('meld', Blockchain.MELD),
         ('merlin-chain', Blockchain.MERLIN_CHAIN),
+        ('metal-l2', Blockchain.METAL_L2),
         ('mode', Blockchain.MODE),
         ('neon-evm', Blockchain.NEON_EVM),
+        ('noble', Blockchain.NOBLE),
         ('oasis', Blockchain.OASIS_CHAIN),
         ('oasis-sapphire', Blockchain.OASIS_SAPPHIRE),
         ('oasys', Blockchain.OASYS),
         ('octaspace', Blockchain.OCTA_SPACE),
         ('omax', Blockchain.OMAX),
         ('omniflix', Blockchain.OMNIFLIX),
+        ('onchain', Blockchain.ONCHAIN),
         ('onus', Blockchain.ONUS_CHAIN),
         ('opbnb', Blockchain.OPTIMISTIC_BNB),
         ('oraichain', Blockchain.ORAI),
         ('ordinals', Blockchain.ORDINALS),
         ('orenium', Blockchain.ORENIUM),
+        ('picasso', Blockchain.PICASSO),
         ('polygon-zkevm', Blockchain.POLYGON_ZK_EVM),
         ('proof-of-memes', Blockchain.PROOF_OF_MEMES),
         ('pulsechain', Blockchain.PULSE),
+        ('q-mainnet', Blockchain.Q_MAINNET),
+        ('ql1', Blockchain.QL1),
         ('quicksilver', Blockchain.QUICKSILVER),
         ('rails-network', Blockchain.RAILS),
         ('re-al', Blockchain.REAL),
         ('rollux', Blockchain.ROLLUX),
+        ('rss3-vsl', Blockchain.RSS3_VSL),
         ('saakuru', Blockchain.SAAKURU),
         ('saga', Blockchain.SAGA),
         ('saita-chain', Blockchain.SAITA),
@@ -98,16 +125,20 @@ def test_map_none():
         ('sge', Blockchain.SGE),
         ('shibarium', Blockchain.SHIBARIUM),
         ('sui', Blockchain.SUI),
+        ('tdvv-sidechain', Blockchain.TDVV_SIDECHAIN),
         ('tenet', Blockchain.TENET),
         ('terra-2', Blockchain.TERRA_2),
         ('the-open-network', Blockchain.OPEN_NETWORK),
         ('trustless-computer', Blockchain.TRUSTLESS_COMPUTER),
         ('valobit', Blockchain.VALOBIT),
+        ('venom', Blockchain.VENOM),
         ('wax', Blockchain.WAX),
         ('wemix-network', Blockchain.WEMIX_NETWORK),
+        ('world-chain', Blockchain.WORLD_CHAIN),
         ('xpla', Blockchain.XPLA),
         ('zedxion', Blockchain.ZEDXION),
         ('zetachain', Blockchain.ZETA_CHAIN),
+        ('zircuit', Blockchain.ZIRCUIT),
         ('zkfair', Blockchain.ZKFAIR),
         ('zksync', Blockchain.ZKSYNC_ERA),
         ('zora-network', Blockchain.ZORA),
@@ -124,9 +155,14 @@ def test_map_by_id():
 @pytest.mark.parametrize(
     'chain,expected',
     [
+        ('a8', Blockchain.ANCIENT8),
+        ('ace', Blockchain.ENDURANCE),
         ('ailayer', Blockchain.AI_LAYER),
+        ('alienx', Blockchain.ALIEN_X),
         ('alot', Blockchain.DEX_ALOT),
+        ('ape', Blockchain.APE),
         ('apex', Blockchain.PROOF_OF_PLAY_APEX),
+        ('aura', Blockchain.AURA),
         ('aze', Blockchain.ASTAR_ZKEVM),
         ('b2', Blockchain.B2),
         ('bb', Blockchain.BOUNCE_BIT),
@@ -137,6 +173,8 @@ def test_map_by_id():
         ('btr', Blockchain.BIT_LAYER),
         ('cfx', Blockchain.CONFLUX),
         ('ckb', Blockchain.GODWOKEN),
+        ('combo', Blockchain.COMBO),
+        ('croze', Blockchain.CRONOS_ZKEVM),
         ('cyber', Blockchain.CYBER),
         ('dbk', Blockchain.DBK),
         ('degen', Blockchain.DEGEN),
@@ -145,21 +183,26 @@ def test_map_by_id():
         ('ela', Blockchain.ELASTOS),
         ('eon', Blockchain.HORIZEN_EON),
         ('era', Blockchain.ZKSYNC_ERA),
+        ('ethlink', Blockchain.ETHERLINK),
         ('fon', Blockchain.FON_CHAIN),
         ('frax', Blockchain.FRAXTAL),
         ('fx', Blockchain.FUNCTION_X),
         ('iota', Blockchain.IOTA_EVM),
+        ('itze', Blockchain.IMMUTABLE),
         ('karak', Blockchain.KARAK),
         ('kroma', Blockchain.KROMA),
         ('lumio', Blockchain.SUPER_LUMIO),
+        ('lyra', Blockchain.DERIVE),
         ('mada', Blockchain.MILKOMEDA_C1),
         ('manta', Blockchain.MANTA_PACIFIC),
         ('map', Blockchain.MAP_PROTOCOL),
         ('merlin', Blockchain.MERLIN_CHAIN),
         ('mint', Blockchain.MINT),
         ('molten', Blockchain.MOLTEN),
+        ('morph', Blockchain.MORPH),
         ('neon', Blockchain.NEON_EVM),
         ('nova', Blockchain.ARBITRUM_NOVA),
+        ('orderly', Blockchain.ORDERLY),
         ('platon', Blockchain.PLAT_ON),
         ('pze', Blockchain.POLYGON_ZK_EVM),
         ('reya', Blockchain.REYA),
@@ -167,17 +210,25 @@ def test_map_by_id():
         ('savm', Blockchain.SATOSHI_VM_ALPHA),
         ('scrl', Blockchain.SCROLL),
         ('sei', Blockchain.SEI),
+        ('shape', Blockchain.SHAPE),
         ('shib', Blockchain.SHIBARIUM),
         ('smr', Blockchain.SHIMMER_EVM),
+        ('sonic', Blockchain.SONIC),
         ('step', Blockchain.STEP_NETWORK),
         ('strax', Blockchain.STRATIS),
+        ('swell', Blockchain.SWELL),
         ('sx', Blockchain.SX_NETWORK),
         ('taiko', Blockchain.TAIKO),
         ('tomb', Blockchain.TOMBCHAIN),
         ('ulx', Blockchain.ULTRON),
+        ('world', Blockchain.WORLD_CHAIN),
+        ('wyzth', Blockchain.WYZTH),
         ('xlayer', Blockchain.X_LAYER),
+        ('zero', Blockchain.ZERO),
         ('zeta', Blockchain.ZETA_CHAIN),
+        ('zircuit', Blockchain.ZIRCUIT),
         ('zklink', Blockchain.ZKLINK_NOVA),
+        ('gravity', Blockchain.GRAVITY),
     ],
 )
 def test_map_debank(chain: str, expected: Blockchain):
diff --git a/blockapi/v2/blockchain_mapping.py b/blockapi/v2/blockchain_mapping.py
index 8adfc821..2a23fe8d 100644
--- a/blockapi/v2/blockchain_mapping.py
+++ b/blockapi/v2/blockchain_mapping.py
@@ -6,6 +6,8 @@
 logger = logging.getLogger(__name__)
 
 DEBANK_BLOCKCHAINS_MAP = {
+    'a8': Blockchain.ANCIENT8,
+    'ace': Blockchain.ENDURANCE,
     'ailayer': Blockchain.AI_LAYER,
     'alot': Blockchain.DEX_ALOT,
     'apex': Blockchain.PROOF_OF_PLAY_APEX,
@@ -23,6 +25,7 @@
     'ckb': Blockchain.GODWOKEN,
     'core': Blockchain.CORE_CHAIN,
     'cro': Blockchain.CRONOS,
+    'croze': Blockchain.CRONOS_ZKEVM,
     'dfk': Blockchain.DEFI_KINGDOMS,
     'doge': Blockchain.DOGECHAIN,
     'dym': Blockchain.DYMENSION,
@@ -31,6 +34,7 @@
     'era': Blockchain.ZKSYNC_ERA,
     'etc': Blockchain.ETHEREUM_CLASSIC,
     'eth': Blockchain.ETHEREUM,
+    'ethlink': Blockchain.ETHERLINK,
     'evmos': Blockchain.COSMOS,
     'flr': Blockchain.FLARE,
     'fon': Blockchain.FON_CHAIN,
@@ -41,9 +45,11 @@
     'hmy': Blockchain.HARMONY,
     'iota': Blockchain.IOTA_EVM,
     'iotx': Blockchain.IOTEX,
+    'itze': Blockchain.IMMUTABLE,
     'kcc': Blockchain.KUCOIN,
     'klay': Blockchain.KLAY_TOKEN,
     'lumio': Blockchain.SUPER_LUMIO,
+    'lyra': Blockchain.DERIVE,
     'lyx': Blockchain.LUKSO,
     'mada': Blockchain.MILKOMEDA_C1,
     'manta': Blockchain.MANTA_PACIFIC,
@@ -80,6 +86,7 @@
     'ulx': Blockchain.ULTRON,
     'wan': Blockchain.WANCHAIN,
     'wemix': Blockchain.WEMIX_NETWORK,
+    'world': Blockchain.WORLD_CHAIN,
     'xlayer': Blockchain.X_LAYER,
     'zeta': Blockchain.ZETA_CHAIN,
     'zklink': Blockchain.ZKLINK_NOVA,
@@ -101,6 +108,7 @@
     'defichain': Blockchain.DEFI,
     'eos-evm': Blockchain.EOS,
     'flare-network': Blockchain.FLARE,
+    'flow-evm': Blockchain.FLOW,
     'galachain': Blockchain.GALA,
     'genesys-network': Blockchain.GENESYS,
     'harmony-shard-0': Blockchain.HARMONY,
@@ -235,7 +243,7 @@ def _get_chain_mapping(
     if not chain:
         return None
 
-    chain_lower = chain.lower() if hasattr(chain, 'lower') else str(chain)
+    chain_lower = chain.lower() if hasattr(chain, 'lower') else str(chain).lower()
 
     blockchain = mapping.get(chain_lower)
     if blockchain:
diff --git a/blockapi/v2/models.py b/blockapi/v2/models.py
index 44b4f3bd..c71be416 100644
--- a/blockapi/v2/models.py
+++ b/blockapi/v2/models.py
@@ -1,4 +1,3 @@
-import itertools
 import json
 from datetime import datetime
 from decimal import Decimal
@@ -15,11 +14,16 @@
 
 class Blockchain(str, Enum):
     ACALA = 'acala'
+    AELF = 'aelf'
     AI_LAYER = 'ai-layer'
     AKASH = 'akash'
     ALEPHIUM = 'alephium'
+    ALEPH_ZERO = 'aleph-zero'
     ALGORAND = 'algorand'
+    ALIEN_X = 'alienx'
     ANCIENT8 = 'ancient8'
+    APE = 'ape'
+    APECHAIN = 'apechain'
     APTOS = 'aptos'
     ARBITRUM = 'arbitrum'
     ARBITRUM_NOVA = 'arbitrum-nova'
@@ -29,9 +33,11 @@ class Blockchain(str, Enum):
     AREON = 'areon'
     ASTAR = 'astar'
     ASTAR_ZKEVM = 'astar-zk-evm'
+    AURA = 'aura'
     AURA_NETWORK = 'aura-network'
     AURORA = 'aurora'
     AVALANCHE = 'avalanche'
+    AVAX_C = 'avax-c'
     AXIE = 'axie'
     B2 = 'b2'
     BAHAMUT = 'bahamut'
@@ -65,19 +71,24 @@ class Blockchain(str, Enum):
     CELER_NETWORK = 'celer-network'
     CELESTIA = 'celestia'
     CELO = 'celo'
+    CHIA = 'chia'
+    CHIHUAHUA = 'chihuahua'
     CHILIZ = 'chiliz'
     CLOVER = 'clover'
     CLV_PARACHAIN = 'clv-parachain'
     CMP = 'cmp'
     COINEX_SMART_CHAIN = 'coinex-smart-chain'
     COLOSSUSXT = 'colossusxt'
+    COMBO = 'combo'
     COMDEX = 'comdex'
     CONFLUX = 'conflux'
+    COREUM = 'coreum'
     CORE_CHAIN = 'core-chain'
     COSMOS = 'cosmos'
     COUNTERPARTY = 'counterparty'
     CRESCENT = 'crescent'
     CRONOS = 'cronos'
+    CRONOS_ZKEVM = 'cronos-zkevm'
     CRYPTO_ORG = 'crypto-org'
     CUBE = 'cube'
     CYBER = 'cyber'
@@ -85,8 +96,11 @@ class Blockchain(str, Enum):
     DASH = 'dash'
     DBK = 'dbk'
     DEFI = 'defi'
+    DEFICHAIN_EVM = 'defichain-evm'
+    DEFIVERSE = 'defiverse'
     DEFI_KINGDOMS = 'defi-kingdoms'
     DEGEN = 'degen'
+    DERIVE = 'derive'
     DEX_ALOT = 'dexalot'
     DFK_CHAIN = 'dfk-chain'
     DITHEREUM = 'dithereum'
@@ -99,6 +113,7 @@ class Blockchain(str, Enum):
     ELASTOS = 'elastos'
     ELA_DID_SIDECHAIN = 'ela-did-sidechain'
     ELROND = 'elrond'
+    ELYSIUM = 'elysium'
     EMERALD_PARATIME = 'emerald-paratime'
     EMPIRE = 'empire'
     ENDURANCE = 'endurance'
@@ -109,6 +124,7 @@ class Blockchain(str, Enum):
     ETHEREUM = 'ethereum'
     ETHEREUMPOW = 'ethereumpow'
     ETHEREUM_CLASSIC = 'ethereum-classic'
+    ETHERLINK = 'etherlink'
     EVERSCALE = 'everscale'
     EVMOS = 'evmos'
     EXOSAMA = 'exosama'
@@ -125,12 +141,17 @@ class Blockchain(str, Enum):
     FUSE = 'fuse'
     FUSION_NETWORK = 'fusion-network'
     GALA = 'gala'
+    GATEVM = 'gatevm'
     GENESIS_L1 = 'genesis-l1'
     GENESYS = 'genesys'
     GNOSIS = 'gnosis'
     GOCHAIN = 'gochain'
     GODWOKEN = 'godwoken'
+    GRAPHLINQ_CHAIN = 'graphlinq-chain'
+    GRAVITY = 'gravity'
+    GRAVITY_ALPHA = 'gravity-alpha'
     GRAVITY_BRIDGE = 'gravity-bridge'
+    HAQQ_NETWORK = 'haqq-network'
     HARMONY = 'harmony'
     HECO = 'heco'
     HEDERA_HASHGRAPH = 'hedera-hashgraph'
@@ -144,6 +165,7 @@ class Blockchain(str, Enum):
     HYPRA_NETWORK = 'hypra-network'
     ICON = 'icon'
     IMMUTABLE = 'immutable'
+    INEVM = 'inevm'
     INJECTIVE = 'injective'
     INTERNET_COMPUTER = 'internet-computer'
     IOTA_EVM = 'iota-evm'
@@ -154,6 +176,7 @@ class Blockchain(str, Enum):
     KARAK = 'karak'
     KARDIACHAIN = 'kardiachain'
     KARURA = 'karura'
+    KASPLEX = 'kasplex'
     KAVA = 'kava'
     KCC = 'kcc'
     KI_CHAIN = 'ki-chain'
@@ -164,6 +187,7 @@ class Blockchain(str, Enum):
     KUCOIN = 'kucoin'
     KUJIRA = 'kujira'
     KUSAMA = 'kusama'
+    LAIKACHAIN = 'laikachain'
     LIGHTLINK = 'lightlink'
     LINEA = 'linea'
     LISK = 'lisk'
@@ -175,7 +199,9 @@ class Blockchain(str, Enum):
     MANTLE = 'mantle'
     MAP_PROTOCOL = 'map-protocol'
     MASSA = 'massa'
+    MELD = 'meld'
     MERLIN_CHAIN = 'merlin-chain'
+    METAL_L2 = 'metal-l2'
     METAVERSE_ETP = 'metaverse-etp'
     METER = 'meter'
     METIS_ANDROMEDA = 'metis-andromeda'
@@ -188,11 +214,13 @@ class Blockchain(str, Enum):
     MOLTEN = 'molten'
     MOONBEAM = 'moonbeam'
     MOONRIVER = 'moonriver'
+    MORPH = 'morph'
     NEAR_PROTOCOL = 'near-protocol'
     NEM = 'nem'
     NEO = 'neo'
     NEON_EVM = 'neon-evm'
     NEUTRON = 'neutron'
+    NOBLE = 'noble'
     NULS = 'nuls'
     NXT = 'nxt'
     OASIS_CHAIN = 'oasis-chain'
@@ -205,6 +233,7 @@ class Blockchain(str, Enum):
     OMAX = 'omax'
     OMNI = 'omni'
     OMNIFLIX = 'omniflix'
+    ONCHAIN = 'onchain'
     ONTOLOGY = 'ontology'
     ONUS_CHAIN = 'onus-chain'
     OPENLEDGER = 'openledger'
@@ -213,12 +242,14 @@ class Blockchain(str, Enum):
     OPTIMISTIC_BNB = 'optimistic-bnb'
     OPTIMISTIC_ETHEREUM = 'optimistic-ethereum'
     ORAI = 'orai'
+    ORDERLY = 'orderly'
     ORDINALS = 'ordinals'
     ORENIUM = 'orenium'
     OSMOSIS = 'osmosis'
     PALM = 'palm'
     PEGO = 'pego'
     PERSISTENCE = 'persistence'
+    PICASSO = 'picasso'
     PLAT_ON = 'plat-on'
     POLIS_CHAIN = 'polis-chain'
     POLKADOT = 'polkadot'
@@ -227,8 +258,10 @@ class Blockchain(str, Enum):
     PROOF_OF_MEMES = 'proof-of-memes'
     PROOF_OF_PLAY_APEX = 'proof-of-play-apex'
     PULSE = 'pulse'
+    QL1 = 'ql1'
     QTUM = 'qtum'
     QUICKSILVER = 'quicksilver'
+    Q_MAINNET = 'q-mainnet'
     RADIX = 'radix'
     RAILS = 'rails'
     RARI = 'rari'
@@ -240,6 +273,7 @@ class Blockchain(str, Enum):
     RONIN = 'ronin'
     ROOTSTOCK = 'rootstock'
     RSK = 'rsk'
+    RSS3_VSL = 'rss3-vsl'
     SAAKURU = 'saakuru'
     SAGA = 'saga'
     SAITA = 'saita'
@@ -253,6 +287,7 @@ class Blockchain(str, Enum):
     SEI_V2 = 'sei-v2'
     SENTINEL = 'sentinel'
     SGE = 'sge'
+    SHAPE = 'shape'
     SHIBARIUM = 'shibarium'
     SHIBA_CHAIN = 'shiba-chain'
     SHIDEN_NETWORK = 'shiden-network'
@@ -263,6 +298,7 @@ class Blockchain(str, Enum):
     SOLANA = 'solana'
     SONGBIRD = 'songbird'
     SONGBIRD_CANARY = 'songbird-canary'
+    SONIC = 'sonic'
     SORA = 'sora'
     STACKS = 'stacks'
     STARKNET = 'starknet'
@@ -272,10 +308,12 @@ class Blockchain(str, Enum):
     SUI = 'sui'
     SUPER_LUMIO = 'super-lumio'
     SUPER_ZERO = 'super-zero'
+    SWELL = 'swell'
     SX_NETWORK = 'sx-network'
     SYSCOIN = 'syscoin'
     TAIKO = 'taiko'
     TBWG_CHAIN = 'tbwg-chain'
+    TDVV_SIDECHAIN = 'tdvv-sidechain'
     TELOS = 'telos'
     TENET = 'tenet'
     TERRA = 'terra'
@@ -296,11 +334,14 @@ class Blockchain(str, Enum):
     VALORBIT = 'valorbit'
     VECHAIN = 'vechain'
     VELAS = 'velas'
+    VENOM = 'venom'
     VITE = 'vite'
     WANCHAIN = 'wanchain'
     WAVES = 'waves'
     WAX = 'wax'
     WEMIX_NETWORK = 'wemix-network'
+    WORLD_CHAIN = 'world-chain'
+    WYZTH = 'wyzth'
     XAI = 'xai'
     XDAI = 'xdai'
     XDC_NETWORK = 'xdc-network'
@@ -309,8 +350,10 @@ class Blockchain(str, Enum):
     X_LAYER = 'x-layer'
     YOCOIN = 'yocoin'
     ZEDXION = 'zedxion'
+    ZERO = 'zero'
     ZETA_CHAIN = 'zetachain'
     ZILLIQA = 'zilliqa'
+    ZIRCUIT = 'zircuit'
     ZKFAIR = 'zkfair'
     ZKLINK_NOVA = 'zklink-nova'
     ZKSYNC_ERA = 'zksync-era'