diff --git a/bittensor/core/async_subtensor.py b/bittensor/core/async_subtensor.py
index 1402e4c683..cfb36f2102 100644
--- a/bittensor/core/async_subtensor.py
+++ b/bittensor/core/async_subtensor.py
@@ -27,7 +27,6 @@
     SubnetIdentity,
     SubnetInfo,
     WeightCommitInfo,
-    decode_account_id,
 )
 from bittensor.core.chain_data.chain_identity import ChainIdentity
 from bittensor.core.chain_data.delegate_info import DelegatedInfo
@@ -308,6 +307,7 @@ def _get_substrate(
                 use_remote_preset=True,
                 chain_name="Bittensor",
                 _mock=_mock,
+                legacy_account_id_decode=False,
             )
         return AsyncSubstrateInterface(
             url=self.chain_endpoint,
@@ -316,6 +316,7 @@ def _get_substrate(
             use_remote_preset=True,
             chain_name="Bittensor",
             _mock=_mock,
+            legacy_account_id_decode=False,
         )
 
     # Subtensor queries ===========================================================================================
@@ -1007,7 +1008,7 @@ async def get_children(
                 formatted_children = []
                 for proportion, child in children.value:
                     # Convert U64 to int
-                    formatted_child = decode_account_id(child[0])
+                    formatted_child = child
                     normalized_proportion = u64_normalized_float(proportion)
                     formatted_children.append((normalized_proportion, formatted_child))
                 return True, formatted_children, ""
@@ -1060,7 +1061,7 @@ async def get_children_pending(
             [
                 (
                     u64_normalized_float(proportion),
-                    decode_account_id(child[0]),
+                    child,
                 )
                 for proportion, child in children
             ],
@@ -1136,7 +1137,7 @@ async def get_all_commitments(
         )
         result = {}
         async for id_, value in query:
-            result[decode_account_id(id_[0])] = decode_metadata(value)
+            result[id_] = decode_metadata(value)
         return result
 
     async def get_revealed_commitment_by_hotkey(
@@ -1345,7 +1346,7 @@ async def get_delegate_identities(
         )
 
         return {
-            decode_account_id(ss58_address[0]): ChainIdentity.from_dict(
+            ss58_address: ChainIdentity.from_dict(
                 decode_hex_identity_dict(identity.value),
             )
             async for ss58_address, identity in identities
@@ -1712,7 +1713,7 @@ async def get_all_neuron_certificates(
         )
         output = {}
         async for key, item in query_certificates:
-            output[decode_account_id(key)] = Certificate(item.value)
+            output[key] = Certificate(item.value)
         return output
 
     async def get_neuron_for_pubkey_and_subnet(
@@ -1825,8 +1826,7 @@ async def get_owned_hotkeys(
             block_hash=block_hash,
             reuse_block_hash=reuse_block,
         )
-
-        return [decode_account_id(hotkey[0]) for hotkey in owned_hotkeys or []]
+        return owned_hotkeys
 
     async def get_stake(
         self,
diff --git a/bittensor/core/chain_data/delegate_info.py b/bittensor/core/chain_data/delegate_info.py
index c0a595bf39..02be2681c7 100644
--- a/bittensor/core/chain_data/delegate_info.py
+++ b/bittensor/core/chain_data/delegate_info.py
@@ -2,7 +2,6 @@
 from typing import Optional
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -49,14 +48,14 @@ class DelegateInfo(DelegateInfoBase):
 
     @classmethod
     def _from_dict(cls, decoded: dict) -> Optional["DelegateInfo"]:
-        hotkey = decode_account_id(decoded.get("delegate_ss58"))
-        owner = decode_account_id(decoded.get("owner_ss58"))
+        hotkey = decoded.get("delegate_ss58")
+        owner = decoded.get("owner_ss58")
 
         nominators = {}
         total_stake_by_netuid = {}
 
         for raw_nominator, raw_stakes in decoded.get("nominators", []):
-            nominator_ss58 = decode_account_id(raw_nominator)
+            nominator_ss58 = raw_nominator
             stakes = {
                 int(netuid): Balance.from_rao(stake_amt).set_unit(int(netuid))
                 for (netuid, stake_amt) in raw_stakes
@@ -100,8 +99,8 @@ def _from_dict(
         cls, decoded: tuple[dict, tuple[int, int]]
     ) -> Optional["DelegatedInfo"]:
         delegate_info, (netuid, stake) = decoded
-        hotkey = decode_account_id(delegate_info.get("delegate_ss58"))
-        owner = decode_account_id(delegate_info.get("owner_ss58"))
+        hotkey = delegate_info.get("delegate_ss58")
+        owner = delegate_info.get("owner_ss58")
         return cls(
             hotkey_ss58=hotkey,
             owner_ss58=owner,
diff --git a/bittensor/core/chain_data/delegate_info_lite.py b/bittensor/core/chain_data/delegate_info_lite.py
index 1138696314..e629dc2a3f 100644
--- a/bittensor/core/chain_data/delegate_info_lite.py
+++ b/bittensor/core/chain_data/delegate_info_lite.py
@@ -1,7 +1,6 @@
 from dataclasses import dataclass
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -36,10 +35,10 @@ class DelegateInfoLite(InfoBase):
     @classmethod
     def _from_dict(cls, decoded: dict) -> "DelegateInfoLite":
         return DelegateInfoLite(
-            delegate_ss58=decode_account_id(decoded["delegate_ss58"]),
+            delegate_ss58=decoded["delegate_ss58"],
             take=u16_normalized_float(decoded["take"]),
             nominators=decoded["nominators"],
-            owner_ss58=decode_account_id(decoded["owner_ss58"]),
+            owner_ss58=decoded["owner_ss58"],
             registrations=decoded["registrations"],
             validator_permits=decoded["validator_permits"],
             return_per_1000=Balance.from_rao(decoded["return_per_1000"]),
diff --git a/bittensor/core/chain_data/dynamic_info.py b/bittensor/core/chain_data/dynamic_info.py
index cde40a0b79..212d5d44ac 100644
--- a/bittensor/core/chain_data/dynamic_info.py
+++ b/bittensor/core/chain_data/dynamic_info.py
@@ -7,7 +7,6 @@
 from typing import Optional, Union
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 
 from bittensor.core.chain_data.subnet_identity import SubnetIdentity
 from bittensor.utils.balance import Balance, fixed_to_float
@@ -52,8 +51,8 @@ def _from_dict(cls, decoded: dict) -> "DynamicInfo":
             True if int(decoded["netuid"]) > 0 else False
         )  # Root is not dynamic
 
-        owner_hotkey = decode_account_id(decoded["owner_hotkey"])
-        owner_coldkey = decode_account_id(decoded["owner_coldkey"])
+        owner_hotkey = decoded["owner_hotkey"]
+        owner_coldkey = decoded["owner_coldkey"]
 
         emission = Balance.from_rao(decoded["emission"]).set_unit(0)
         alpha_in = Balance.from_rao(decoded["alpha_in"]).set_unit(netuid)
diff --git a/bittensor/core/chain_data/metagraph_info.py b/bittensor/core/chain_data/metagraph_info.py
index 3ad189c6fd..6ef880b361 100644
--- a/bittensor/core/chain_data/metagraph_info.py
+++ b/bittensor/core/chain_data/metagraph_info.py
@@ -8,7 +8,6 @@
 from bittensor.core.chain_data.chain_identity import ChainIdentity
 from bittensor.core.chain_data.info_base import InfoBase
 from bittensor.core.chain_data.subnet_identity import SubnetIdentity
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils import u64_normalized_float as u64tf, u16_normalized_float as u16tf
 from bittensor.utils.balance import Balance, fixed_to_float
 
@@ -177,16 +176,8 @@ def _from_dict(cls, decoded: dict) -> "MetagraphInfo":
             identity=decoded["identity"],
             network_registered_at=decoded["network_registered_at"],
             # Keys for owner.
-            owner_hotkey=(
-                decode_account_id(decoded["owner_hotkey"][0])
-                if decoded.get("owner_hotkey") is not None
-                else None
-            ),
-            owner_coldkey=(
-                decode_account_id(decoded["owner_coldkey"][0])
-                if decoded.get("owner_coldkey") is not None
-                else None
-            ),
+            owner_hotkey=decoded.get("owner_hotkey") or None,
+            owner_coldkey=decoded.get("owner_coldkey") or None,
             # Tempo terms.
             block=decoded["block"],
             tempo=decoded["tempo"],
@@ -280,16 +271,8 @@ def _from_dict(cls, decoded: dict) -> "MetagraphInfo":
                 else None
             ),
             # Metagraph info.
-            hotkeys=(
-                [decode_account_id(ck) for ck in decoded.get("hotkeys", [])]
-                if decoded.get("hotkeys") is not None
-                else None
-            ),
-            coldkeys=(
-                [decode_account_id(hk) for hk in decoded.get("coldkeys", [])]
-                if decoded.get("coldkeys") is not None
-                else None
-            ),
+            hotkeys=decoded.get("hotkeys") or None,
+            coldkeys=decoded.get("coldkeys") or None,
             identities=decoded["identities"],
             axons=decoded.get("axons", []),
             active=decoded["active"],
@@ -352,7 +335,7 @@ def _from_dict(cls, decoded: dict) -> "MetagraphInfo":
             # Dividend break down
             tao_dividends_per_hotkey=(
                 [
-                    (decode_account_id(alpha[0]), _tbwu(alpha[1]))
+                    (alpha[0], _tbwu(alpha[1]))
                     for alpha in decoded["tao_dividends_per_hotkey"]
                 ]
                 if decoded.get("tao_dividends_per_hotkey") is not None
@@ -360,7 +343,7 @@ def _from_dict(cls, decoded: dict) -> "MetagraphInfo":
             ),
             alpha_dividends_per_hotkey=(
                 [
-                    (decode_account_id(adphk[0]), _tbwu(adphk[1], _netuid))
+                    (adphk[0], _tbwu(adphk[1], _netuid))
                     for adphk in decoded["alpha_dividends_per_hotkey"]
                 ]
                 if decoded.get("alpha_dividends_per_hotkey") is not None
diff --git a/bittensor/core/chain_data/neuron_info.py b/bittensor/core/chain_data/neuron_info.py
index 0cf917a5fb..2fab0dfbfd 100644
--- a/bittensor/core/chain_data/neuron_info.py
+++ b/bittensor/core/chain_data/neuron_info.py
@@ -4,7 +4,7 @@
 from bittensor.core.chain_data.axon_info import AxonInfo
 from bittensor.core.chain_data.info_base import InfoBase
 from bittensor.core.chain_data.prometheus_info import PrometheusInfo
-from bittensor.core.chain_data.utils import decode_account_id, process_stake_data
+from bittensor.core.chain_data.utils import process_stake_data
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -129,8 +129,8 @@ def _from_dict(cls, decoded: Any) -> "NeuronInfo":
         """Returns a NeuronInfo object from decoded chain data."""
         stake_dict = process_stake_data(decoded["stake"])
         total_stake = sum(stake_dict.values()) if stake_dict else Balance(0)
-        coldkey = decode_account_id(decoded["coldkey"])
-        hotkey = decode_account_id(decoded["hotkey"])
+        coldkey = decoded["coldkey"]
+        hotkey = decoded["hotkey"]
         return NeuronInfo(
             active=decoded["active"],
             axon_info=AxonInfo.from_dict(
diff --git a/bittensor/core/chain_data/neuron_info_lite.py b/bittensor/core/chain_data/neuron_info_lite.py
index 5dd60cef82..7cfdc50f57 100644
--- a/bittensor/core/chain_data/neuron_info_lite.py
+++ b/bittensor/core/chain_data/neuron_info_lite.py
@@ -4,7 +4,7 @@
 from bittensor.core.chain_data.axon_info import AxonInfo
 from bittensor.core.chain_data.info_base import InfoBase
 from bittensor.core.chain_data.prometheus_info import PrometheusInfo
-from bittensor.core.chain_data.utils import decode_account_id, process_stake_data
+from bittensor.core.chain_data.utils import process_stake_data
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -96,8 +96,8 @@ def get_null_neuron() -> "NeuronInfoLite":
     @classmethod
     def _from_dict(cls, decoded: Any) -> "NeuronInfoLite":
         """Returns a NeuronInfoLite object from decoded chain data."""
-        coldkey = decode_account_id(decoded["coldkey"])
-        hotkey = decode_account_id(decoded["hotkey"])
+        coldkey = decoded["coldkey"]
+        hotkey = decoded["hotkey"]
         stake_dict = process_stake_data(decoded["stake"])
         stake = sum(stake_dict.values()) if stake_dict else Balance(0)
 
diff --git a/bittensor/core/chain_data/proposal_vote_data.py b/bittensor/core/chain_data/proposal_vote_data.py
index 3cf5439955..98e221baa5 100644
--- a/bittensor/core/chain_data/proposal_vote_data.py
+++ b/bittensor/core/chain_data/proposal_vote_data.py
@@ -1,7 +1,6 @@
 from dataclasses import dataclass
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 
 
 @dataclass
@@ -19,9 +18,9 @@ class ProposalVoteData(InfoBase):
     @classmethod
     def from_dict(cls, proposal_dict: dict) -> "ProposalVoteData":
         return cls(
-            ayes=[decode_account_id(key) for key in proposal_dict["ayes"]],
+            ayes=proposal_dict["ayes"],
             end=proposal_dict["end"],
             index=proposal_dict["index"],
-            nays=[decode_account_id(key) for key in proposal_dict["nays"]],
+            nays=proposal_dict["nays"],
             threshold=proposal_dict["threshold"],
         )
diff --git a/bittensor/core/chain_data/stake_info.py b/bittensor/core/chain_data/stake_info.py
index ade4515743..5dadf19e60 100644
--- a/bittensor/core/chain_data/stake_info.py
+++ b/bittensor/core/chain_data/stake_info.py
@@ -1,7 +1,6 @@
 from dataclasses import dataclass
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils.balance import Balance
 
 
@@ -30,8 +29,8 @@ def from_dict(cls, decoded: dict) -> "StakeInfo":
         """Returns a StakeInfo object from decoded chain data."""
         netuid = decoded["netuid"]
         return cls(
-            hotkey_ss58=decode_account_id(decoded["hotkey"]),
-            coldkey_ss58=decode_account_id(decoded["coldkey"]),
+            hotkey_ss58=decoded["hotkey"],
+            coldkey_ss58=decoded["coldkey"],
             netuid=int(netuid),
             stake=Balance.from_rao(decoded["stake"]).set_unit(netuid),
             locked=Balance.from_rao(decoded["locked"]).set_unit(netuid),
diff --git a/bittensor/core/chain_data/subnet_info.py b/bittensor/core/chain_data/subnet_info.py
index 978dab29f7..765dae6bb6 100644
--- a/bittensor/core/chain_data/subnet_info.py
+++ b/bittensor/core/chain_data/subnet_info.py
@@ -2,7 +2,6 @@
 from typing import Any
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -50,7 +49,7 @@ def _from_dict(cls, decoded: Any) -> "SubnetInfo":
             min_allowed_weights=decoded["min_allowed_weights"],
             modality=decoded["network_modality"],
             netuid=decoded["netuid"],
-            owner_ss58=decode_account_id(decoded["owner"]),
+            owner_ss58=decoded["owner"],
             rho=decoded["rho"],
             scaling_law_power=decoded["scaling_law_power"],
             subnetwork_n=decoded["subnetwork_n"],
diff --git a/bittensor/core/chain_data/subnet_state.py b/bittensor/core/chain_data/subnet_state.py
index caf01bfc2c..f36ece94f3 100644
--- a/bittensor/core/chain_data/subnet_state.py
+++ b/bittensor/core/chain_data/subnet_state.py
@@ -6,7 +6,6 @@
 from dataclasses import dataclass
 
 from bittensor.core.chain_data.info_base import InfoBase
-from bittensor.core.chain_data.utils import decode_account_id
 from bittensor.utils import u16_normalized_float
 from bittensor.utils.balance import Balance
 
@@ -38,8 +37,8 @@ def _from_dict(cls, decoded: dict) -> "SubnetState":
         netuid = decoded["netuid"]
         return SubnetState(
             netuid=netuid,
-            hotkeys=[decode_account_id(hk) for hk in decoded.get("hotkeys", [])],
-            coldkeys=[decode_account_id(ck) for ck in decoded.get("coldkeys", [])],
+            hotkeys=decoded.get("hotkeys", []),
+            coldkeys=decoded.get("coldkeys", []),
             active=decoded["active"],
             validator_permit=decoded["validator_permit"],
             pruning_score=[
diff --git a/bittensor/core/chain_data/utils.py b/bittensor/core/chain_data/utils.py
index 9915b51c1f..9e1f00676f 100644
--- a/bittensor/core/chain_data/utils.py
+++ b/bittensor/core/chain_data/utils.py
@@ -117,7 +117,7 @@ def decode_account_id(account_id_bytes: Union[bytes, str]) -> str:
     return ss58_encode(bytes(account_id_bytes).hex(), SS58_FORMAT)
 
 
-def process_stake_data(stake_data: list) -> dict:
+def process_stake_data(stake_data: list) -> dict[str, Balance]:
     """
     Processes stake data to decode account IDs and convert stakes from rao to Balance objects.
 
@@ -127,11 +127,7 @@ def process_stake_data(stake_data: list) -> dict:
     Returns:
         dict: A dictionary with account IDs as keys and their corresponding Balance objects as values.
     """
-    decoded_stake_data = {}
-    for account_id_bytes, stake_ in stake_data:
-        account_id = decode_account_id(account_id_bytes)
-        decoded_stake_data.update({account_id: Balance.from_rao(stake_)})
-    return decoded_stake_data
+    return {account_id: Balance.from_rao(stake_) for account_id, stake_ in stake_data}
 
 
 def decode_metadata(metadata: dict) -> str:
@@ -181,6 +177,6 @@ def decode_revealed_commitment_with_hotkey(
     """
     key, data = encoded_data
 
-    ss58_address = decode_account_id(next(iter(key)))
+    ss58_address = next(iter(key))
     block_data = tuple(decode_revealed_commitment(p) for p in data.value)
     return ss58_address, block_data
diff --git a/bittensor/core/chain_data/weight_commit_info.py b/bittensor/core/chain_data/weight_commit_info.py
index db253f291c..e3d4b99ff9 100644
--- a/bittensor/core/chain_data/weight_commit_info.py
+++ b/bittensor/core/chain_data/weight_commit_info.py
@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from bittensor.core.chain_data.utils import decode_account_id
 
 
 @dataclass
@@ -34,4 +33,4 @@ def from_vec_u8(cls, data: tuple) -> tuple[str, str, int]:
         commit_data = commit_data[0] if isinstance(commit_data, tuple) else commit_data
         commit_hex = "0x" + "".join(format(x, "02x") for x in commit_data)
 
-        return decode_account_id(account_id_), commit_hex, round_number
+        return account_id_, commit_hex, round_number
diff --git a/bittensor/core/subtensor.py b/bittensor/core/subtensor.py
index 63634d9053..1f01ce3311 100644
--- a/bittensor/core/subtensor.py
+++ b/bittensor/core/subtensor.py
@@ -26,7 +26,6 @@
     SubnetIdentity,
     SubnetHyperparameters,
     WeightCommitInfo,
-    decode_account_id,
 )
 from bittensor.core.chain_data.chain_identity import ChainIdentity
 from bittensor.core.chain_data.utils import (
@@ -191,6 +190,7 @@ def _get_substrate(
                 fallback_chains=fallback_chains,
                 retry_forever=retry_forever,
                 _mock=_mock,
+                legacy_account_id_decode=False,
             )
         return SubstrateInterface(
             url=self.chain_endpoint,
@@ -199,6 +199,7 @@ def _get_substrate(
             use_remote_preset=True,
             chain_name="Bittensor",
             _mock=_mock,
+            legacy_account_id_decode=False,
         )
 
     # Subtensor queries ===========================================================================================
@@ -776,9 +777,8 @@ def get_children(
                 formatted_children = []
                 for proportion, child in children.value:
                     # Convert U64 to int
-                    formatted_child = decode_account_id(child[0])
                     normalized_proportion = u64_normalized_float(proportion)
-                    formatted_children.append((normalized_proportion, formatted_child))
+                    formatted_children.append((normalized_proportion, child))
                 return True, formatted_children, ""
             else:
                 return True, [], ""
@@ -819,7 +819,7 @@ def get_children_pending(
             [
                 (
                     u64_normalized_float(proportion),
-                    decode_account_id(child[0]),
+                    child,
                 )
                 for proportion, child in children
             ],
@@ -866,7 +866,7 @@ def get_all_commitments(
         )
         result = {}
         for id_, value in query:
-            result[decode_account_id(id_[0])] = decode_metadata(value)
+            result[id_] = decode_metadata(value)
         return result
 
     def get_revealed_commitment_by_hotkey(
@@ -984,6 +984,7 @@ def get_current_weight_commit_info(
             params=[netuid],
             block_hash=self.determine_block_hash(block),
         )
+        # TODO why is this from_vec_u8?
 
         commits = result.records[0][1] if result.records else []
         return [WeightCommitInfo.from_vec_u8(commit) for commit in commits]
@@ -1038,7 +1039,7 @@ def get_delegate_identities(
         )
 
         return {
-            decode_account_id(ss58_address[0]): ChainIdentity.from_dict(
+            ss58_address: ChainIdentity.from_dict(
                 decode_hex_identity_dict(identity.value),
             )
             for ss58_address, identity in identities
@@ -1316,7 +1317,7 @@ def get_all_neuron_certificates(
         )
         output = {}
         for key, item in query_certificates:
-            output[decode_account_id(key)] = Certificate(item.value)
+            output[key] = Certificate(item.value)
         return output
 
     def get_neuron_for_pubkey_and_subnet(
@@ -1412,7 +1413,7 @@ def get_owned_hotkeys(
             block_hash=block_hash,
             reuse_block_hash=reuse_block,
         )
-        return [decode_account_id(hotkey[0]) for hotkey in owned_hotkeys or []]
+        return owned_hotkeys or []
 
     def get_stake(
         self,
diff --git a/pyproject.toml b/pyproject.toml
index a9b9db6a01..c6a95b7a74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,6 @@ authors = [
 license = { file = "LICENSE" }
 requires-python = ">=3.9,<3.14"
 dependencies = [
-
     "wheel",
     "setuptools~=70.0.0",
     "aiohttp~=3.9",
@@ -36,7 +35,7 @@ dependencies = [
     "uvicorn",
     "bittensor-drand>=0.5.0",
     "bittensor-wallet>=3.0.8",
-    "async-substrate-interface>=1.2.0"
+    "async-substrate-interface>=1.3.0"
 ]
 
 [project.optional-dependencies]