diff --git a/src/blind.cpp b/src/blind.cpp
index 5d52470623..9f7c158f90 100644
--- a/src/blind.cpp
+++ b/src/blind.cpp
@@ -37,7 +37,7 @@ static Blind_ECC_Init ecc_init_on_load;
 
 bool UnblindConfidentialPair(const CKey &key, const CConfidentialValue& confValue, const CConfidentialAsset& confAsset, const CConfidentialNonce& nNonce, const CScript& committedScript, const std::vector<unsigned char>& vchRangeproof, CAmount& amount_out, uint256& blinding_factor_out, CAsset& asset_out, uint256& asset_blinding_factor_out)
 {
-    if (!key.IsValid()) {
+    if (!key.IsValid() || vchRangeproof.size() == 0) {
         return false;
     }
     CPubKey ephemeral_key(nNonce.vchCommitment);
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index 9d7f7e6637..d7601a196c 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -153,6 +153,10 @@ bool CachingRangeProofChecker::VerifyRangeProof(const std::vector<unsigned char>
         return true;
     }
 
+    if (vchRangeProof.size() == 0) {
+        return false;
+    }
+
     uint64_t min_value, max_value;
     secp256k1_pedersen_commitment commit;
     if (secp256k1_pedersen_commitment_parse(secp256k1_ctx_verify_amounts, &commit, &vchValueCommitment[0]) != 1)