diff --git a/Cargo.toml b/Cargo.toml
index 4ce2b34..5babd51 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ base58-monero = "2.0.0"
 byteorder = "1.5.0"
 crc32fast = "1.3.2"
 crypto = "0.5.1"
-curve25519-dalek = "4.1.1"
+curve25519-dalek = "4.1.3"
 digest = "0.10.7"
 hex = "0.4.3"
 rand = "0.8.5"
diff --git a/src/blocks/nodes.rs b/src/blocks/nodes.rs
index e73c2b5..feb1c88 100644
--- a/src/blocks/nodes.rs
+++ b/src/blocks/nodes.rs
@@ -26,15 +26,6 @@ impl DaemonNode {
         }
     }
 
-    /// Returns Stack Wallet's default node
-    pub fn stack_wallet_default() -> DaemonNode {
-        DaemonNode {
-            url: "monero.stackwallet.com".to_string(),
-            port: 18081,
-            tls: false
-        }
-    }
-
     /// Creates a new DaemonNode from a given URL, port and tls flag
     pub fn new(url: String, port: u16, tls: bool) -> DaemonNode {
         DaemonNode {
diff --git a/src/utils/utils.rs b/src/utils/utils.rs
index e5178cb..37135bb 100644
--- a/src/utils/utils.rs
+++ b/src/utils/utils.rs
@@ -27,6 +27,7 @@ use regex::Regex;
 /// assert_eq!(result_invalid, false);
 /// ```
 pub fn is_valid_addr(address: &str) -> bool {
+    // TODO: Refactor for a better Monero address validation based on eliptic curve
     let r = Regex::new(r"^[48][0-9AB][1-9A-HJ-NP-Za-km-z]{93}$").unwrap();
     r.is_match(address)
 }
\ No newline at end of file