diff --git a/src/main/java/jmaa/pbc/PbcVanityAddressSearcher.java b/src/main/java/jmaa/pbc/PbcVanityAddressSearcher.java
index 1d05d42..83948c0 100644
--- a/src/main/java/jmaa/pbc/PbcVanityAddressSearcher.java
+++ b/src/main/java/jmaa/pbc/PbcVanityAddressSearcher.java
@@ -49,7 +49,8 @@ public final class PbcVanityAddressSearcher {
       long start = System.nanoTime();
       long pingInterval = INITIAL_PING_INTERVAL;
       for (int iterationIdx = 1; iterationIdx < MAX_ITERATIONS_PER_THREAD; iterationIdx++) {
-        // Generate random keypair
+        // Generate random keypair using SecureRandom
+        // This _should_ be safe enough, given the requirements on ECDSA.
         final KeyPair keyPair = new KeyPair();
         final BlockchainAddress address = keyPair.getPublic().createAddress();
 
@@ -81,7 +82,6 @@ public final class PbcVanityAddressSearcher {
     String suffix = "";
     for (int idx = 0; idx < args.length; idx++) {
       final String word = args[idx];
-      System.out.println("%s : %s".formatted(idx, word));
       if ("--prefix".equals(word)) {
         prefix = args[++idx];
         ;