diff --git a/mm2src/coins/utxo/utxo_tests.rs b/mm2src/coins/utxo/utxo_tests.rs
index 6e9d3a3915..0eaaf704ca 100644
--- a/mm2src/coins/utxo/utxo_tests.rs
+++ b/mm2src/coins/utxo/utxo_tests.rs
@@ -2435,6 +2435,18 @@ fn firo_verbose_block_deserialize() {
     let _block: VerboseBlock = json::from_value(json).unwrap();
 }
 
+#[test]
+fn firo_lelantus_tx() {
+    // https://explorer.firo.org/tx/06ed4b75010edcf404a315be70903473f44050c978bc37fbcee90e0b49114ba8
+    let tx_hash = "06ed4b75010edcf404a315be70903473f44050c978bc37fbcee90e0b49114ba8".into();
+    let electrum = electrum_client_for_test(&[
+        "electrumx01.firo.org:50001",
+        "electrumx02.firo.org:50001",
+        "electrumx03.firo.org:50001",
+    ]);
+    let _tx = electrum.get_verbose_transaction(tx_hash).wait().unwrap();
+}
+
 #[test]
 fn test_generate_tx_doge_fee() {
     // A tx below 1kb is always 1 doge fee yes.
diff --git a/mm2src/mm2_bitcoin/rpc/src/v1/types/script.rs b/mm2src/mm2_bitcoin/rpc/src/v1/types/script.rs
index 66481f22bb..d01d8980f2 100644
--- a/mm2src/mm2_bitcoin/rpc/src/v1/types/script.rs
+++ b/mm2src/mm2_bitcoin/rpc/src/v1/types/script.rs
@@ -18,6 +18,7 @@ pub enum ScriptType {
     CreateSender,
     Call,
     Create,
+    LelantusMint,
 }
 
 impl From<GlobalScriptType> for ScriptType {
@@ -57,6 +58,7 @@ impl Serialize for ScriptType {
             ScriptType::CreateSender => "create_sender".serialize(serializer),
             ScriptType::Call => "call".serialize(serializer),
             ScriptType::Create => "create".serialize(serializer),
+            ScriptType::LelantusMint => "lelantusmint".serialize(serializer),
         }
     }
 }
@@ -92,6 +94,7 @@ impl<'a> Deserialize<'a> for ScriptType {
                     "create_sender" => Ok(ScriptType::CreateSender),
                     "call" => Ok(ScriptType::Call),
                     "create" => Ok(ScriptType::Create),
+                    "lelantusmint" => Ok(ScriptType::LelantusMint),
                     _ => Err(E::invalid_value(Unexpected::Str(value), &self)),
                 }
             }
diff --git a/mm2src/mm2_bitcoin/rpc/src/v1/types/transaction.rs b/mm2src/mm2_bitcoin/rpc/src/v1/types/transaction.rs
index 7b2ac28e3c..7a8525eca0 100644
--- a/mm2src/mm2_bitcoin/rpc/src/v1/types/transaction.rs
+++ b/mm2src/mm2_bitcoin/rpc/src/v1/types/transaction.rs
@@ -92,6 +92,8 @@ pub enum TransactionInputEnum {
     Coinbase(CoinbaseTransactionInput),
     /// FIRO specific
     Sigma(SigmaInput),
+    /// FIRO specific
+    Lelantus(LelantusInput),
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
@@ -106,6 +108,16 @@ pub struct SigmaInput {
     sequence: u32,
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct LelantusInput {
+    #[serde(rename = "scriptSig")]
+    pub script_sig: TransactionInputScript,
+    #[serde(rename = "nFees")]
+    n_fees: f64,
+    serials: Vec<String>,
+    sequence: u32,
+}
+
 impl TransactionInputEnum {
     pub fn is_coinbase(&self) -> bool { matches!(self, TransactionInputEnum::Coinbase(_)) }
 }