diff --git a/contracts/collections/sg721-base/src/contract.rs b/contracts/collections/sg721-base/src/contract.rs
index 3d7861441..f39d00e0e 100644
--- a/contracts/collections/sg721-base/src/contract.rs
+++ b/contracts/collections/sg721-base/src/contract.rs
@@ -98,6 +98,9 @@ where
         Ok(Response::new()
             .add_attribute("action", "instantiate")
             .add_attribute("collection_name", info.name)
+            .add_attribute("collection_symbol", info.symbol)
+            .add_attribute("collection_creator", collection_info.creator)
+            .add_attribute("minter", msg.minter)
             .add_attribute("image", image.to_string()))
     }
 
diff --git a/contracts/minters/vending-minter-wl-flex/src/contract.rs b/contracts/minters/vending-minter-wl-flex/src/contract.rs
index 494a7e84b..e510c891e 100644
--- a/contracts/minters/vending-minter-wl-flex/src/contract.rs
+++ b/contracts/minters/vending-minter-wl-flex/src/contract.rs
@@ -20,11 +20,11 @@ use cw_utils::{may_pay, maybe_addr, nonpayable, parse_reply_instantiate_data};
 use rand_core::{RngCore, SeedableRng};
 use rand_xoshiro::Xoshiro128PlusPlus;
 use semver::Version;
-use sg1::checked_fair_burn;
+use sg1::{checked_fair_burn, ibc_denom_fair_burn};
 use sg2::query::Sg2QueryMsg;
 use sg4::{MinterConfig, Status, StatusResponse, SudoMsg};
 use sg721::{ExecuteMsg as Sg721ExecuteMsg, InstantiateMsg as Sg721InstantiateMsg};
-use sg_std::{StargazeMsgWrapper, GENESIS_MINT_START_TIME};
+use sg_std::{StargazeMsgWrapper, GENESIS_MINT_START_TIME, NATIVE_DENOM};
 use sg_whitelist_flex::msg::{
     ConfigResponse as WhitelistConfigResponse, HasMemberResponse, Member,
     QueryMsg as WhitelistQueryMsg,
@@ -619,7 +619,7 @@ fn _execute_mint(
 
     let mint_price: Coin = mint_price(deps.as_ref(), is_admin)?;
     // Exact payment only accepted
-    let payment = may_pay(&info, &config.mint_price.denom)?;
+    let payment = may_pay(&info, &mint_price.denom)?;
     if payment != mint_price.amount {
         return Err(ContractError::IncorrectPaymentAmount(
             coin(payment.u128(), &config.mint_price.denom),
@@ -641,7 +641,19 @@ fn _execute_mint(
         Decimal::bps(factory_params.mint_fee_bps)
     };
     let network_fee = mint_price.amount * mint_fee;
-    checked_fair_burn(&info, network_fee.u128(), None, &mut res)?;
+    // use ibc_denom_fair_burn for non native denoms
+    if mint_price.denom != NATIVE_DENOM {
+        // only send non-zero amounts
+        if !network_fee.is_zero() {
+            ibc_denom_fair_burn(
+                coin(network_fee.u128(), mint_price.clone().denom),
+                None,
+                &mut res,
+            )?;
+        }
+    } else {
+        checked_fair_burn(&info, network_fee.u128(), None, &mut res)?;
+    }
 
     let mintable_token_mapping = match token_id {
         Some(token_id) => {
@@ -1009,7 +1021,7 @@ pub fn mint_price(deps: Deps, is_admin: bool) -> Result<Coin, StdError> {
     if is_admin {
         return Ok(coin(
             factory_params.extension.airdrop_mint_price.amount.u128(),
-            config.mint_price.denom,
+            factory_params.extension.airdrop_mint_price.denom,
         ));
     }
 
diff --git a/contracts/minters/vending-minter/src/contract.rs b/contracts/minters/vending-minter/src/contract.rs
index f105e90dc..da484f29d 100644
--- a/contracts/minters/vending-minter/src/contract.rs
+++ b/contracts/minters/vending-minter/src/contract.rs
@@ -625,7 +625,7 @@ fn _execute_mint(
 
     let mint_price: Coin = mint_price(deps.as_ref(), is_admin)?;
     // Exact payment only accepted
-    let payment = may_pay(&info, &config.mint_price.denom)?;
+    let payment = may_pay(&info, &mint_price.denom)?;
     if payment != mint_price.amount {
         return Err(ContractError::IncorrectPaymentAmount(
             coin(payment.u128(), &config.mint_price.denom),
@@ -1045,7 +1045,7 @@ pub fn mint_price(deps: Deps, is_admin: bool) -> Result<Coin, StdError> {
     if is_admin {
         return Ok(coin(
             factory_params.extension.airdrop_mint_price.amount.u128(),
-            config.mint_price.denom,
+            factory_params.extension.airdrop_mint_price.denom,
         ));
     }