diff --git a/orm/migrations/2024-05-31-125032_chain_parameters/up.sql b/orm/migrations/2024-05-31-125032_chain_parameters/up.sql
index 724e7edf..92d6493e 100644
--- a/orm/migrations/2024-05-31-125032_chain_parameters/up.sql
+++ b/orm/migrations/2024-05-31-125032_chain_parameters/up.sql
@@ -5,6 +5,7 @@ CREATE TABLE chain_parameters (
   epochs_per_year INT NOT NULL,
   min_num_of_blocks INT NOT NULL,
   min_duration INT NOT NULL,
+  max_block_time INT NOT NULL,
   apr VARCHAR NOT NULL,
   native_token_address VARCHAR NOT NULL,
   chain_id VARCHAR NOT NULL,
diff --git a/orm/src/parameters.rs b/orm/src/parameters.rs
index e92a3910..7438f8ed 100644
--- a/orm/src/parameters.rs
+++ b/orm/src/parameters.rs
@@ -18,6 +18,7 @@ pub struct ParametersInsertDb {
     pub epochs_per_year: i32,
     pub min_num_of_blocks: i32,
     pub min_duration: i32,
+    pub max_block_time: i32,
     pub apr: String,
     pub native_token_address: String,
     pub chain_id: String,
@@ -36,6 +37,7 @@ pub struct ParametersDb {
     pub epochs_per_year: i32,
     pub min_num_of_blocks: i32,
     pub min_duration: i32,
+    pub max_block_time: i32,
     pub apr: String,
     pub native_token_address: String,
     pub chain_id: String,
@@ -61,6 +63,7 @@ impl From<(Parameters, Genesis, Checksums, EpochSwitchBlocksDelay)>
             epochs_per_year: parameters.epochs_per_year as i32,
             min_num_of_blocks: parameters.min_num_of_blocks as i32,
             min_duration: parameters.min_duration as i32,
+            max_block_time: parameters.max_block_time as i32,
             apr: parameters.apr,
             native_token_address: parameters.native_token_address,
             chain_id: genesis.chain_id,
diff --git a/orm/src/schema.rs b/orm/src/schema.rs
index 9e90f252..ba632225 100644
--- a/orm/src/schema.rs
+++ b/orm/src/schema.rs
@@ -93,6 +93,7 @@ diesel::table! {
         epochs_per_year -> Int4,
         min_num_of_blocks -> Int4,
         min_duration -> Int4,
+        max_block_time -> Int4,
         apr -> Varchar,
         native_token_address -> Varchar,
         chain_id -> Varchar,
diff --git a/parameters/src/services/namada.rs b/parameters/src/services/namada.rs
index 2d49299d..8f8aa106 100644
--- a/parameters/src/services/namada.rs
+++ b/parameters/src/services/namada.rs
@@ -86,7 +86,8 @@ pub async fn get_parameters(
         .native_token(client)
         .await
         .context("Failed to query native token")?;
-    tracing::info!("Native token address: {:?}", native_token_address);
+
+    let max_block_time = RPC.shell().max_block_time(client).await?;
 
     let apr = calc_apr(
         client,
@@ -102,6 +103,7 @@ pub async fn get_parameters(
         epochs_per_year,
         min_num_of_blocks: epoch_duration.min_num_of_blocks,
         min_duration: epoch_duration.min_duration.0,
+        max_block_time: max_block_time.0,
         apr,
         native_token_address: native_token_address.to_string(),
     })
diff --git a/shared/src/parameters.rs b/shared/src/parameters.rs
index 87438c8a..59c797b9 100644
--- a/shared/src/parameters.rs
+++ b/shared/src/parameters.rs
@@ -4,6 +4,7 @@ pub struct Parameters {
     pub pipeline_length: u64,
     pub epochs_per_year: u64,
     pub min_num_of_blocks: u64,
+    pub max_block_time: u64,
     pub min_duration: u64,
     pub apr: String,
     pub native_token_address: String,
diff --git a/webserver/src/response/governance.rs b/webserver/src/response/governance.rs
index 8e929567..2690e060 100644
--- a/webserver/src/response/governance.rs
+++ b/webserver/src/response/governance.rs
@@ -116,9 +116,11 @@ impl Proposal {
     pub fn from_proposal_db(
         value: GovernanceProposalDb,
         chain_state: &ChainCrawlerStateDb,
-        min_num_of_blocks: i32,
+        max_block_time: i32,
         min_duration: i32,
     ) -> Self {
+        let min_num_of_blocks = min_duration / max_block_time;
+
         let epoch_progress = epoch_progress(
             chain_state.last_processed_block,
             chain_state.first_block_in_epoch,
diff --git a/webserver/src/response/pos.rs b/webserver/src/response/pos.rs
index 6555602d..2e6fa267 100644
--- a/webserver/src/response/pos.rs
+++ b/webserver/src/response/pos.rs
@@ -175,9 +175,11 @@ impl Unbond {
         withdraw_epoch: i32,
         db_validator: ValidatorDb,
         chain_state: &ChainCrawlerStateDb,
-        min_num_of_blocks: i32,
+        max_block_time: i32,
         min_duration: i32,
     ) -> Self {
+        let min_num_of_blocks = min_duration / max_block_time;
+
         let epoch_progress = epoch_progress(
             chain_state.last_processed_block,
             chain_state.first_block_in_epoch,
diff --git a/webserver/src/service/governance.rs b/webserver/src/service/governance.rs
index 7f859507..fb12653e 100644
--- a/webserver/src/service/governance.rs
+++ b/webserver/src/service/governance.rs
@@ -58,7 +58,7 @@ impl GovernanceService {
                     Proposal::from_proposal_db(
                         p,
                         &chain_state,
-                        parameters.min_num_of_blocks,
+                        parameters.max_block_time,
                         parameters.min_duration,
                     )
                 })
@@ -101,7 +101,7 @@ impl GovernanceService {
                 Proposal::from_proposal_db(
                     p,
                     &chain_state,
-                    parameters.min_num_of_blocks,
+                    parameters.max_block_time,
                     parameters.min_duration,
                 )
             })
@@ -134,7 +134,7 @@ impl GovernanceService {
             Proposal::from_proposal_db(
                 p,
                 &chain_state,
-                parameters.min_num_of_blocks,
+                parameters.max_block_time,
                 parameters.min_duration,
             )
         }))
diff --git a/webserver/src/service/pos.rs b/webserver/src/service/pos.rs
index 09dbf77d..9c26c6e2 100644
--- a/webserver/src/service/pos.rs
+++ b/webserver/src/service/pos.rs
@@ -217,7 +217,7 @@ impl PosService {
                     withdraw_epoch,
                     validator,
                     &chain_state,
-                    parameters.min_num_of_blocks,
+                    parameters.max_block_time,
                     parameters.min_duration,
                 );
                 Unbond {