diff --git a/src/contract.rs b/src/contract.rs
index 52ea7b8..a95d509 100644
--- a/src/contract.rs
+++ b/src/contract.rs
@@ -125,9 +125,9 @@ pub fn instantiate(
     BONDS_MOVING_AVERAGE.save(deps.storage, root_netuid, &900_000)?;
     LAST_ADJUSTMENT_BLOCK.save(deps.storage, root_netuid, &0)?;
     ADJUSTMENT_INTERVAL.save(deps.storage, root_netuid, &100)?;
-    BURN.save(deps.storage, root_netuid, &0)?;
-    MIN_BURN.save(deps.storage, root_netuid, &0)?;
-    MAX_BURN.save(deps.storage, root_netuid, &1_000_000_000)?;
+    BURN.save(deps.storage, root_netuid, &1_000_000_000)?;
+    MIN_BURN.save(deps.storage, root_netuid, &100_000_000)?;
+    MAX_BURN.save(deps.storage, root_netuid, &100_000_000_000)?;
     REGISTRATIONS_THIS_BLOCK.save(deps.storage, root_netuid, &0)?;
     MAX_REGISTRATION_PER_BLOCK.save(deps.storage, root_netuid, &1)?;
     REGISTRATIONS_THIS_INTERVAL.save(deps.storage, root_netuid, &0)?;
@@ -180,9 +180,9 @@ pub fn instantiate(
     BONDS_MOVING_AVERAGE.save(deps.storage, netuid, &900_000)?;
     LAST_ADJUSTMENT_BLOCK.save(deps.storage, netuid, &0)?;
     ADJUSTMENT_INTERVAL.save(deps.storage, netuid, &100)?;
-    BURN.save(deps.storage, netuid, &0)?;
-    MIN_BURN.save(deps.storage, netuid, &0)?;
-    MAX_BURN.save(deps.storage, netuid, &1_000_000_000)?;
+    BURN.save(deps.storage, netuid, &1_000_000_000)?;
+    MIN_BURN.save(deps.storage, netuid, &100_000_000)?;
+    MAX_BURN.save(deps.storage, netuid, &100_000_000_000)?;
     REGISTRATIONS_THIS_BLOCK.save(deps.storage, netuid, &0)?;
     MAX_REGISTRATION_PER_BLOCK.save(deps.storage, netuid, &3)?;
     KAPPA.save(deps.storage, netuid, &32_767)?;
@@ -578,6 +578,13 @@ pub fn query(deps: Deps, env: Env, msg: QueryMsg) -> StdResult<Binary> {
         QueryMsg::GetAllSubnetNetuids {} => {
             to_json_binary(&query_all_subnet_netuids(deps.storage)?)
         },
+        QueryMsg::GetNetuidsForHotkey { hotkey } => {
+            let hotkey_address = deps.api.addr_validate(&hotkey)?;
+            to_json_binary(&query_netuids_for_hotkey(deps.storage, &hotkey_address)?)
+        },
+        QueryMsg::GetTotalIssuance {} => to_json_binary(&query_total_issuance(deps.storage)?),
+        QueryMsg::GetTotalStake {} => to_json_binary(&query_total_stake(deps.storage)?),
+        QueryMsg::GetTxRateLimit {} => to_json_binary(&query_tx_rate_limit(deps.storage)?),
 
         // TODO added for debugging, remove later
         QueryMsg::GetWeights { netuid } => {
@@ -725,6 +732,27 @@ pub fn query_all_subnet_netuids(store: &dyn Storage) -> StdResult<Vec<u16>> {
     Ok(netuids)
 }
 
+pub fn query_netuids_for_hotkey(store: &dyn Storage, hotkey: &Addr) -> StdResult<Vec<u16>> {
+    let networks = get_registered_networks_for_hotkey(store, hotkey);
+
+    Ok(networks)
+}
+
+pub fn query_total_issuance(store: &dyn Storage) -> StdResult<u64> {
+    let issuance = TOTAL_ISSUANCE.load(store)?;
+    Ok(issuance)
+}
+
+pub fn query_total_stake(store: &dyn Storage) -> StdResult<u64> {
+    let stake = TOTAL_STAKE.load(store)?;
+    Ok(stake)
+}
+
+pub fn query_tx_rate_limit(store: &dyn Storage) -> StdResult<u64> {
+    let limit = TX_RATE_LIMIT.load(store)?;
+    Ok(limit)
+}
+
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn migrate(deps: DepsMut, _env: Env, _msg: MigrateMsg) -> Result<Response, ContractError> {
     let storage_version: ContractVersion = get_contract_version(deps.storage)?;
diff --git a/src/msg.rs b/src/msg.rs
index b5ae286..5bb2df3 100644
--- a/src/msg.rs
+++ b/src/msg.rs
@@ -267,6 +267,9 @@ pub enum QueryMsg {
     #[returns(Option<u16>)]
     GetUidForHotkeyOnSubnet { hotkey: String, netuid: u16 },
 
+    #[returns(Option<Vec<u16>>)]
+    GetNetuidsForHotkey { hotkey: String },
+
     #[returns(bool)]
     GetSubnetExist { netuid: u16 },
 
@@ -300,6 +303,15 @@ pub enum QueryMsg {
     #[returns(Vec<u16>)]
     GetAllSubnetNetuids {},
 
+    #[returns(u64)]
+    GetTotalIssuance {},
+
+    #[returns(u64)]
+    GetTotalStake {},
+
+    #[returns(u64)]
+    GetTxRateLimit {},
+
     // TODO added for debugging, remove later
     #[returns(Vec<Vec<u16>>)]
     GetWeights { netuid: u16 },
diff --git a/src/registration.rs b/src/registration.rs
index 672d423..14c74e6 100644
--- a/src/registration.rs
+++ b/src/registration.rs
@@ -440,17 +440,17 @@ pub fn do_registration(
     );
 
     // --- 8. Ensure the supplied work passes the difficulty.
-    // let difficulty = get_difficulty(deps.storage, netuid);
-    // let work_hash: H256 = vec_to_hash(work.clone());
-    // ensure!(
-    //     hash_meets_difficulty(&work_hash, difficulty),
-    //     ContractError::InvalidDifficulty {}
-    // ); // Check that the work meets difficulty.
+    let difficulty = get_difficulty(deps.storage, netuid);
+    let work_hash: H256 = vec_to_hash(work.clone());
+    ensure!(
+        hash_meets_difficulty(&work_hash, difficulty),
+        ContractError::InvalidDifficulty {}
+    ); // Check that the work meets difficulty.
 
     // --- 7. Check Work is the product of the nonce, the block number, and hotkey. Add this as used work.
-    // let seal: H256 = create_seal_hash(block_number, nonce, hotkey.as_str());
-    // ensure!(seal == work_hash, ContractError::InvalidSeal {});
-    // USED_WORK.save(deps.storage, work.clone(), &current_block_number)?;
+    let seal: H256 = create_seal_hash(block_number, nonce, hotkey.as_str());
+    ensure!(seal == work_hash, ContractError::InvalidSeal {});
+    USED_WORK.save(deps.storage, work.clone(), &current_block_number)?;
 
     // --- 9. If the network account does not exist we will create it here.
     create_account_if_non_existent(deps.storage, &coldkey, &hotkey);