diff --git a/nostr-java-api/src/main/java/nostr/api/NIP04.java b/nostr-java-api/src/main/java/nostr/api/NIP04.java
index fb8218622..62a0665df 100644
--- a/nostr-java-api/src/main/java/nostr/api/NIP04.java
+++ b/nostr-java-api/src/main/java/nostr/api/NIP04.java
@@ -5,7 +5,7 @@
 package nostr.api;
 
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.factory.impl.GenericEventFactory;
 import nostr.base.PublicKey;
 import nostr.config.Constants;
@@ -24,7 +24,7 @@
 /**
  * @author eric
  */
-@Log
+@Slf4j
 public class NIP04 extends EventNostr {
 
     public NIP04(@NonNull Identity sender, @NonNull PublicKey recipient) {
@@ -38,6 +38,7 @@ public NIP04(@NonNull Identity sender, @NonNull PublicKey recipient) {
      * @param content the DM content in clear-text
      */
     public NIP04 createDirectMessageEvent(@NonNull String content) {
+        log.debug("Creating direct message event");
         var encryptedContent = encrypt(getSender(), content, getRecipient());
         List<BaseTag> tags = List.of(new PubKeyTag(getRecipient()));
 
@@ -64,6 +65,7 @@ public NIP04 encrypt() {
      * @return the encrypted message
      */
     public static String encrypt(@NonNull Identity senderId, @NonNull String message, @NonNull PublicKey recipient) {
+        log.debug("Encrypting message from {} to {}", senderId.getPublicKey(), recipient);
         MessageCipher cipher = new MessageCipher04(senderId.getPrivateKey().getRawData(), recipient.getRawData());
         return cipher.encrypt(message);
     }
@@ -77,6 +79,7 @@ public static String encrypt(@NonNull Identity senderId, @NonNull String message
      * @return the DM content in clear-text
      */
     public static String decrypt(@NonNull Identity identity, @NonNull String encryptedMessage, @NonNull PublicKey recipient) {
+        log.debug("Decrypting message for {}", identity.getPublicKey());
         MessageCipher cipher = new MessageCipher04(identity.getPrivateKey().getRawData(), recipient.getRawData());
         return cipher.decrypt(encryptedMessage);
     }
@@ -124,12 +127,14 @@ public static String decrypt(@NonNull Identity rcptId, @NonNull GenericEvent eve
         boolean rcptFlag = amITheRecipient(rcptId, event);
 
         if (!rcptFlag) { // I am the message sender
+            log.debug("Decrypting own sent message");
             MessageCipher cipher = new MessageCipher04(rcptId.getPrivateKey().getRawData(), pTag.getPublicKey().getRawData());
             return cipher.decrypt(event.getContent());
         }
 
         // I am the message recipient
         var sender = event.getPubKey();
+        log.debug("Decrypting message from {}", sender);
         MessageCipher cipher = new MessageCipher04(rcptId.getPrivateKey().getRawData(), sender.getRawData());
         return cipher.decrypt(event.getContent());
     }
diff --git a/nostr-java-api/src/main/java/nostr/api/NIP44.java b/nostr-java-api/src/main/java/nostr/api/NIP44.java
index 65a9d67fc..cb7a38d07 100644
--- a/nostr-java-api/src/main/java/nostr/api/NIP44.java
+++ b/nostr-java-api/src/main/java/nostr/api/NIP44.java
@@ -1,7 +1,7 @@
 package nostr.api;
 
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.PublicKey;
 import nostr.encryption.MessageCipher;
 import nostr.encryption.MessageCipher44;
@@ -13,9 +13,8 @@
 
 import java.util.NoSuchElementException;
 import java.util.Objects;
-import java.util.logging.Level;
 
-@Log
+@Slf4j
 public class NIP44 extends EventNostr {
 
     public static String encrypt(@NonNull Identity sender, @NonNull String message, @NonNull PublicKey recipient) {
@@ -47,7 +46,7 @@ public static String decrypt(@NonNull Identity recipient, @NonNull GenericEvent
 
         // I am the message recipient
         var sender = event.getPubKey();
-        log.log(Level.FINE, "The message is being decrypted for {0}", sender);
+        log.debug("Decrypting message for {}", sender);
         MessageCipher cipher = new MessageCipher44(recipient.getPrivateKey().getRawData(), sender.getRawData());
         return cipher.decrypt(event.getContent());
     }
diff --git a/nostr-java-api/src/main/java/nostr/api/NIP46.java b/nostr-java-api/src/main/java/nostr/api/NIP46.java
index 9c2620f1d..1425d46d6 100644
--- a/nostr-java-api/src/main/java/nostr/api/NIP46.java
+++ b/nostr-java-api/src/main/java/nostr/api/NIP46.java
@@ -5,7 +5,7 @@
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.factory.impl.GenericEventFactory;
 import nostr.base.PublicKey;
 import nostr.config.Constants;
@@ -15,10 +15,10 @@
 import java.io.Serializable;
 import java.util.LinkedHashSet;
 import java.util.Set;
-import java.util.logging.Level;
 
 import static nostr.base.IEvent.MAPPER_AFTERBURNER;
 
+@Slf4j
 public final class NIP46 extends EventNostr {
 
     public NIP46(@NonNull Identity sender) {
@@ -55,7 +55,7 @@ public NIP46 createResponseEvent(@NonNull NIP46.Response response, @NonNull Publ
     @Data
     @AllArgsConstructor
     @NoArgsConstructor
-    @Log
+    @Slf4j
     public static final class Request implements Serializable {
         private String id;
         private String method;
@@ -70,8 +70,7 @@ public String toString() {
             try {
                 return MAPPER_AFTERBURNER.writeValueAsString(this);
             } catch (JsonProcessingException ex) {
-                // Handle the exception if needed
-                log.log(Level.WARNING, "Error converting to JSON: {0}", ex.getMessage());
+                log.warn("Error converting request to JSON: {}", ex.getMessage());
                 return "{}"; // Return an empty JSON object as a fallback
             }
         }
@@ -88,7 +87,7 @@ public static Request fromString(@NonNull String jsonString) {
     @Data
     @AllArgsConstructor
     @NoArgsConstructor
-    @Log
+    @Slf4j
     public static final class Response implements Serializable {
         private String id;
         private String error;
@@ -98,8 +97,7 @@ public String toString() {
             try {
                 return MAPPER_AFTERBURNER.writeValueAsString(this);
             } catch (JsonProcessingException ex) {
-                // Handle the exception if needed
-                log.log(Level.WARNING, "Error converting to JSON: {0}", ex.getMessage());
+                log.warn("Error converting response to JSON: {}", ex.getMessage());
                 return "{}"; // Return an empty JSON object as a fallback
             }
         }
diff --git a/nostr-java-api/src/test/java/nostr/api/integration/ApiEventIT.java b/nostr-java-api/src/test/java/nostr/api/integration/ApiEventIT.java
index 0052983e0..cc711d56e 100644
--- a/nostr-java-api/src/test/java/nostr/api/integration/ApiEventIT.java
+++ b/nostr-java-api/src/test/java/nostr/api/integration/ApiEventIT.java
@@ -1,7 +1,7 @@
 package nostr.api.integration;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.EventNostr;
 import nostr.api.NIP01;
 import nostr.api.NIP04;
@@ -54,7 +54,6 @@
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
-import java.util.logging.Level;
 
 import static nostr.base.IEvent.MAPPER_AFTERBURNER;
 import static org.awaitility.Awaitility.await;
@@ -66,8 +65,7 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @SpringJUnitConfig(RelayConfig.class)
-@ActiveProfiles("test")
-@Log
+@Slf4j
 @Disabled("Requires running relay at ws://localhost:5555")
 public class ApiEventIT {
     @Autowired
diff --git a/nostr-java-api/src/test/java/nostr/api/unit/JsonParseTest.java b/nostr-java-api/src/test/java/nostr/api/unit/JsonParseTest.java
index 5615dcfa8..385820929 100644
--- a/nostr-java-api/src/test/java/nostr/api/unit/JsonParseTest.java
+++ b/nostr-java-api/src/test/java/nostr/api/unit/JsonParseTest.java
@@ -1,7 +1,7 @@
 package nostr.api.unit;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.NIP01;
 import nostr.api.util.JsonComparator;
 import nostr.base.Command;
@@ -61,7 +61,7 @@
 /**
  * @author eric
  */
-@Log
+@Slf4j
 public class JsonParseTest {
   @Test
   public void testBaseMessageDecoderEventFilter() throws JsonProcessingException {
diff --git a/nostr-java-api/src/test/java/nostr/api/unit/NIP57ImplTest.java b/nostr-java-api/src/test/java/nostr/api/unit/NIP57ImplTest.java
index af7d05325..cfd3d601e 100644
--- a/nostr-java-api/src/test/java/nostr/api/unit/NIP57ImplTest.java
+++ b/nostr-java-api/src/test/java/nostr/api/unit/NIP57ImplTest.java
@@ -1,6 +1,6 @@
 package nostr.api.unit;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.NIP57;
 import nostr.base.ElementAttribute;
 import nostr.base.PublicKey;
@@ -18,7 +18,7 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-@Log
+@Slf4j
 public class NIP57ImplTest {
 
     @Test
diff --git a/nostr-java-base/src/main/java/nostr/base/Relay.java b/nostr-java-base/src/main/java/nostr/base/Relay.java
index 525f6fb60..8b3e6d61b 100644
--- a/nostr-java-base/src/main/java/nostr/base/Relay.java
+++ b/nostr-java-base/src/main/java/nostr/base/Relay.java
@@ -9,7 +9,7 @@
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
 import lombok.ToString;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -22,7 +22,7 @@
 @ToString(onlyExplicitlyIncluded = true)
 @EqualsAndHashCode(onlyExplicitlyIncluded = true)
 @AllArgsConstructor
-@Log
+@Slf4j
 public class Relay {
 
     @EqualsAndHashCode.Include
@@ -47,6 +47,7 @@ public Relay(@NonNull String uri, RelayInformationDocument doc) {
         }
         this.scheme = s[0];
         this.host = s[1];
+        log.debug("Created relay with scheme {} and host {}", this.scheme, this.host);
     }
 
     // Helper method
diff --git a/nostr-java-crypto/src/main/java/nostr/crypto/nip44/EncryptedPayloads.java b/nostr-java-crypto/src/main/java/nostr/crypto/nip44/EncryptedPayloads.java
index 3547a8033..00db8068c 100644
--- a/nostr-java-crypto/src/main/java/nostr/crypto/nip44/EncryptedPayloads.java
+++ b/nostr-java-crypto/src/main/java/nostr/crypto/nip44/EncryptedPayloads.java
@@ -1,7 +1,7 @@
 package nostr.crypto.nip44;
 
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import org.bouncycastle.crypto.digests.SHA256Digest;
 import org.bouncycastle.crypto.generators.HKDFBytesGenerator;
 import org.bouncycastle.crypto.params.ECDomainParameters;
@@ -28,9 +28,8 @@
 import java.security.spec.KeySpec;
 import java.util.Arrays;
 import java.util.Base64;
-import java.util.logging.Level;
 
-@Log
+@Slf4j
 public class EncryptedPayloads {
 
     public static String encrypt(String plaintext, byte[] conversationKey, byte[] nonce) throws Exception {
@@ -78,7 +77,7 @@ public static String decrypt(String payload, byte[] conversationKey) throws Exce
         byte[] calculatedMac = hmac.doFinal();
 
         if (!MessageDigest.isEqual(calculatedMac, mac)) {
-            log.log(Level.FINE, "Calculated MAC = {0} --- Mac = {1}", new Object[]{Arrays.toString(calculatedMac), Arrays.toString(mac)});
+            log.debug("Calculated MAC {} does not match expected {}", Arrays.toString(calculatedMac), Arrays.toString(mac));
             throw new Exception("Invalid MAC");
         }
 
diff --git a/nostr-java-event/src/main/java/nostr/event/entities/UserProfile.java b/nostr-java-event/src/main/java/nostr/event/entities/UserProfile.java
index 79cac752c..fb23fc4aa 100644
--- a/nostr-java-event/src/main/java/nostr/event/entities/UserProfile.java
+++ b/nostr-java-event/src/main/java/nostr/event/entities/UserProfile.java
@@ -1,7 +1,6 @@
 package nostr.event.entities;
 
 import java.net.URL;
-import java.util.logging.Level;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.core.JsonProcessingException;
@@ -10,7 +9,7 @@
 import lombok.NoArgsConstructor;
 import lombok.NonNull;
 import lombok.experimental.SuperBuilder;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.IBech32Encodable;
 import nostr.base.PublicKey;
 import nostr.crypto.bech32.Bech32;
@@ -26,7 +25,7 @@
 @EqualsAndHashCode
 @SuperBuilder
 @NoArgsConstructor
-@Log
+@Slf4j
 public final class UserProfile extends Profile implements IBech32Encodable {
 
     @JsonIgnore
@@ -45,7 +44,7 @@ public String toBech32() {
         try {
             return Bech32.encode(Bech32.Encoding.BECH32, Bech32Prefix.NPROFILE.getCode(), this.publicKey.getRawData());
         } catch (Exception ex) {
-            log.log(Level.SEVERE, null, ex);
+            log.error("", ex);
             throw new RuntimeException(ex);
         }
     }
diff --git a/nostr-java-event/src/main/java/nostr/event/impl/GenericEvent.java b/nostr-java-event/src/main/java/nostr/event/impl/GenericEvent.java
index 1fd37ed0a..ac4a094fc 100644
--- a/nostr-java-event/src/main/java/nostr/event/impl/GenericEvent.java
+++ b/nostr-java-event/src/main/java/nostr/event/impl/GenericEvent.java
@@ -8,7 +8,7 @@
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ElementAttribute;
 import nostr.base.IGenericElement;
 import nostr.base.ISignable;
@@ -39,14 +39,13 @@
 import java.util.Optional;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
-import java.util.logging.Level;
 
 import static nostr.base.Encoder.ENCODER_MAPPED_AFTERBURNER;
 
 /**
  * @author squirrel
  */
-@Log
+@Slf4j
 @Data
 @EqualsAndHashCode(callSuper = false)
 public class GenericEvent extends BaseEvent implements ISignable, IGenericElement, Deleteable {
@@ -204,7 +203,7 @@ public void update() {
         } catch (NostrException | NoSuchAlgorithmException ex) {
             throw new RuntimeException(ex);
         } catch (AssertionError ex) {
-            log.log(Level.WARNING, ex.getMessage());
+            log.warn(ex.getMessage());
             throw new RuntimeException(ex);
         }
     }
@@ -295,7 +294,7 @@ public Consumer<Signature> getSignatureConsumer() {
     @Override
     public Supplier<ByteBuffer> getByeArraySupplier() {
         this.update();
-        log.log(Level.FINER, "Serialized event: {0}", new String(this.get_serializedEvent()));
+        log.debug("Serialized event: {}", new String(this.get_serializedEvent()));
         return () -> ByteBuffer.wrap(this.get_serializedEvent());
     }
 
diff --git a/nostr-java-event/src/main/java/nostr/event/json/codec/GenericTagDecoder.java b/nostr-java-event/src/main/java/nostr/event/json/codec/GenericTagDecoder.java
index 43a38782c..cc9429dcc 100644
--- a/nostr-java-event/src/main/java/nostr/event/json/codec/GenericTagDecoder.java
+++ b/nostr-java-event/src/main/java/nostr/event/json/codec/GenericTagDecoder.java
@@ -3,17 +3,16 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import lombok.Data;
 import lombok.NonNull;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ElementAttribute;
 import nostr.base.IDecoder;
 import nostr.event.tag.GenericTag;
 
 import java.util.ArrayList;
-import java.util.logging.Level;
 import java.util.stream.IntStream;
 
 @Data
-@Log
+@Slf4j
 public class GenericTagDecoder<T extends GenericTag> implements IDecoder<T> {
 
     private final Class<T> clazz;
@@ -56,7 +55,7 @@ public T decode(@NonNull String json) {
                             .toList());
 */
 
-            log.log(Level.INFO, ">>> Decoded GenericTag: {0}", genericTag);
+            log.info("Decoded GenericTag: {}", genericTag);
 
             return (T) genericTag;
         } catch (JsonProcessingException ex) {
diff --git a/nostr-java-event/src/main/java/nostr/event/json/serializer/TagSerializer.java b/nostr-java-event/src/main/java/nostr/event/json/serializer/TagSerializer.java
index 020214aec..00082382a 100644
--- a/nostr-java-event/src/main/java/nostr/event/json/serializer/TagSerializer.java
+++ b/nostr-java-event/src/main/java/nostr/event/json/serializer/TagSerializer.java
@@ -5,7 +5,7 @@
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.fasterxml.jackson.databind.ser.std.StdSerializer;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ElementAttribute;
 import nostr.event.BaseTag;
 import nostr.event.tag.GenericTag;
@@ -14,14 +14,13 @@
 import java.io.Serial;
 import java.lang.reflect.Field;
 import java.util.List;
-import java.util.logging.Level;
 
 import static nostr.event.json.codec.BaseTagEncoder.BASETAG_ENCODER_MAPPED_AFTERBURNER;
 
 /**
  * @author guilhermegps
  */
-@Log
+@Slf4j
 public class TagSerializer extends StdSerializer<BaseTag> {
 
     @Serial
diff --git a/nostr-java-event/src/main/java/nostr/event/message/EventMessage.java b/nostr-java-event/src/main/java/nostr/event/message/EventMessage.java
index bf2aa2747..eb0ebe15c 100644
--- a/nostr-java-event/src/main/java/nostr/event/message/EventMessage.java
+++ b/nostr-java-event/src/main/java/nostr/event/message/EventMessage.java
@@ -7,7 +7,7 @@
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.Command;
 import nostr.base.IEvent;
 import nostr.event.BaseEvent;
@@ -19,14 +19,13 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.function.Function;
-import java.util.logging.Level;
 
 import static nostr.base.Encoder.ENCODER_MAPPED_AFTERBURNER;
 import static nostr.base.IDecoder.I_DECODER_MAPPER_AFTERBURNER;
 
 @Setter
 @Getter
-@Log
+@Slf4j
 public class EventMessage extends BaseMessage {
     private static final int SIZE_JSON_EVENT_wo_SIG_ID = 2;
     private static final Function<Object[], Boolean> isEventWoSig = (objArr) ->
@@ -76,7 +75,7 @@ private static <T extends BaseMessage> T processEvent(Object[] msgArr) {
     }
 
     private static GenericEvent convertValue(Map<String, String> map) {
-        log.log(Level.INFO, "Converting map to GenericEvent: {0}", map);
+        log.info("Converting map to GenericEvent: {}", map);
         return I_DECODER_MAPPER_AFTERBURNER.convertValue(map, new TypeReference<>() {});
     }
 }
diff --git a/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageCommandMapperTest.java b/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageCommandMapperTest.java
index b2c2621f5..f0a96c848 100644
--- a/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageCommandMapperTest.java
+++ b/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageCommandMapperTest.java
@@ -1,7 +1,7 @@
 package nostr.event.unit;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.event.BaseMessage;
 import nostr.event.json.codec.BaseMessageDecoder;
 import nostr.event.message.EoseMessage;
@@ -12,7 +12,7 @@
 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-@Log
+@Slf4j
 public class BaseMessageCommandMapperTest {
 //  TODO: flesh out remaining commands
   public final static String REQ_JSON =
diff --git a/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageDecoderTest.java b/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageDecoderTest.java
index f12bc2f35..6a9849b3f 100644
--- a/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageDecoderTest.java
+++ b/nostr-java-event/src/test/java/nostr/event/unit/BaseMessageDecoderTest.java
@@ -1,7 +1,7 @@
 package nostr.event.unit;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.event.BaseMessage;
 import nostr.event.json.codec.BaseMessageDecoder;
 import nostr.event.message.EoseMessage;
@@ -9,7 +9,7 @@
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
 
-@Log
+@Slf4j
 public class BaseMessageDecoderTest {
     //  TODO: flesh out remaining commands
     public final static String REQ_JSON =
diff --git a/nostr-java-event/src/test/java/nostr/event/unit/FiltersDecoderTest.java b/nostr-java-event/src/test/java/nostr/event/unit/FiltersDecoderTest.java
index ce57fec24..e8762c17b 100644
--- a/nostr-java-event/src/test/java/nostr/event/unit/FiltersDecoderTest.java
+++ b/nostr-java-event/src/test/java/nostr/event/unit/FiltersDecoderTest.java
@@ -1,6 +1,6 @@
 package nostr.event.unit;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.GenericTagQuery;
 import nostr.base.Kind;
 import nostr.base.PublicKey;
@@ -32,7 +32,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-@Log
+@Slf4j
 public class FiltersDecoderTest {
 
   @Test
diff --git a/nostr-java-event/src/test/java/nostr/event/unit/FiltersEncoderTest.java b/nostr-java-event/src/test/java/nostr/event/unit/FiltersEncoderTest.java
index 4802ff8ef..0945527a3 100644
--- a/nostr-java-event/src/test/java/nostr/event/unit/FiltersEncoderTest.java
+++ b/nostr-java-event/src/test/java/nostr/event/unit/FiltersEncoderTest.java
@@ -1,6 +1,6 @@
 package nostr.event.unit;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.GenericTagQuery;
 import nostr.base.Kind;
 import nostr.base.PublicKey;
@@ -36,7 +36,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-@Log
+@Slf4j
 public class FiltersEncoderTest {
 
   @Test
diff --git a/nostr-java-examples/src/main/java/nostr/examples/FilterRelays.java b/nostr-java-examples/src/main/java/nostr/examples/FilterRelays.java
index 1a32b5c24..92b8e6291 100644
--- a/nostr-java-examples/src/main/java/nostr/examples/FilterRelays.java
+++ b/nostr-java-examples/src/main/java/nostr/examples/FilterRelays.java
@@ -1,6 +1,6 @@
 package nostr.examples;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.Relay;
 
 import java.util.HashSet;
@@ -13,7 +13,7 @@
  * @author guilhermegps
  *
  */
-@Log
+@Slf4j
 public class FilterRelays {
 	
 	private final static Map<String, String> relaysURLs = Stream.of(new String[][] {
@@ -145,7 +145,7 @@ private static Relay updateRelayMetadata(@NonNull Relay relay) {
             var connection = new Connection(relay, context, new ArrayList<>());
             //connection.updateRelayMetadata(relay);
         } catch (Exception ex) {
-			log.log(Level.WARNING, "Error updating relay metadata: " + relay.getHostname());
+            log.warn("Error updating relay metadata: {}", relay.getHostname());
         }
         
         return relay;
diff --git a/nostr-java-examples/src/main/java/nostr/examples/NostrApiExamples.java b/nostr-java-examples/src/main/java/nostr/examples/NostrApiExamples.java
index 275a77ab9..34d9425ab 100644
--- a/nostr-java-examples/src/main/java/nostr/examples/NostrApiExamples.java
+++ b/nostr-java-examples/src/main/java/nostr/examples/NostrApiExamples.java
@@ -1,6 +1,6 @@
 package nostr.examples;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.api.NIP01;
 import nostr.api.NIP04;
 import nostr.api.NIP05;
@@ -31,7 +31,6 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -42,14 +41,13 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
-import java.util.logging.Level;
-import java.util.logging.LogManager;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  *
  * @author eric
  */
-@Log
+@Slf4j
 @SpringBootApplication
 public class NostrApiExamples implements ApplicationRunner {
 
@@ -60,14 +58,6 @@ public class NostrApiExamples implements ApplicationRunner {
     private final static Map<String, String> RELAYS = Map.of("local", "localhost:5555");
 
     static {
-        final LogManager logManager = LogManager.getLogManager();
-        try (final InputStream is = NostrApiExamples.class
-                .getResourceAsStream("/logging.properties")) {
-            logManager.readConfiguration(is);
-        } catch (IOException ex) {
-            System.exit(-1000);
-        }
-
         try {
             PROFILE.setPicture(new URI("https://images.unsplash.com/photo-1462888210965-cdf193fb74de").toURL());
         } catch (MalformedURLException | URISyntaxException e) {
@@ -78,7 +68,7 @@ public class NostrApiExamples implements ApplicationRunner {
     @Override
     public void run(ApplicationArguments args) throws Exception {
         try {
-            log.log(Level.FINE, "================= The Beginning");
+            log.debug("================= The Beginning");
             logAccountsData();
 
             ExecutorService executor = Executors.newFixedThreadPool(10);
@@ -92,7 +82,7 @@ public void run(ApplicationArguments args) throws Exception {
             executor.submit(() -> {
                 try {
                     sendTextNoteEvent();
-                } catch(Throwable t) { log.log(Level.SEVERE, t.getMessage(), t); }
+                } catch(Throwable t) { log.error(t.getMessage(), t); }
             });
 
 //            executor.submit(() -> {
@@ -171,11 +161,11 @@ public void run(ApplicationArguments args) throws Exception {
             stop(executor);
 
             if (executor.isTerminated()) {
-                log.log(Level.FINE, "================== The End");
+                log.debug("================== The End");
             }
 
         } catch (IllegalArgumentException ex) {
-            log.log(Level.SEVERE, null, ex);
+            log.error("", ex);
             throw new NostrException(ex);
         }
     }
@@ -385,7 +375,7 @@ private static void logAccountsData() {
                      '\n' + "* PublicKey HEX: " + SENDER.getPublicKey().toString() +
                      '\n' + '\n' + "################################ ACCOUNTS END ################################";
 
-        log.log(Level.INFO, msg);
+        log.info(msg);
     }
 
     private static void logHeader(String header) {
@@ -405,10 +395,10 @@ private static void stop(ExecutorService executor) {
             executor.shutdown();
             executor.awaitTermination(60, TimeUnit.SECONDS);
         } catch (InterruptedException e) {
-            log.log(Level.SEVERE, "termination interrupted");
+            log.error("termination interrupted");
         } finally {
             if (!executor.isTerminated()) {
-                log.log(Level.SEVERE, "killing non-finished tasks");
+                log.error("killing non-finished tasks");
             }
             executor.shutdownNow();
         }
diff --git a/nostr-java-id/src/main/java/nostr/id/Identity.java b/nostr-java-id/src/main/java/nostr/id/Identity.java
index aa29f0911..db069bb16 100644
--- a/nostr-java-id/src/main/java/nostr/id/Identity.java
+++ b/nostr-java-id/src/main/java/nostr/id/Identity.java
@@ -5,7 +5,7 @@
 import lombok.NonNull;
 import lombok.SneakyThrows;
 import lombok.ToString;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ISignable;
 import nostr.base.PrivateKey;
 import nostr.base.PublicKey;
@@ -18,7 +18,7 @@
  */
 @EqualsAndHashCode
 @Data
-@Log
+@Slf4j
 public class Identity {
 
     @ToString.Exclude
diff --git a/nostr-java-id/src/test/java/nostr/id/EntityFactory.java b/nostr-java-id/src/test/java/nostr/id/EntityFactory.java
index 41784b8bd..1ac689570 100644
--- a/nostr-java-id/src/test/java/nostr/id/EntityFactory.java
+++ b/nostr-java-id/src/test/java/nostr/id/EntityFactory.java
@@ -1,6 +1,6 @@
 package nostr.id;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ElementAttribute;
 import nostr.base.GenericTagQuery;
 import nostr.base.IEvent;
@@ -31,11 +31,11 @@
  *
  * @author squirrel
  */
-@Log
+@Slf4j
 //TODO - Add the sender PK to all createEvents.
 public class EntityFactory {
 
-    @Log
+    @Slf4j
     public static class Events {
 
 /*
diff --git a/nostr-java-id/src/test/java/nostr/id/EventTest.java b/nostr-java-id/src/test/java/nostr/id/EventTest.java
index c5a975499..61e2433a3 100644
--- a/nostr-java-id/src/test/java/nostr/id/EventTest.java
+++ b/nostr-java-id/src/test/java/nostr/id/EventTest.java
@@ -1,6 +1,6 @@
 package nostr.id;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.base.ElementAttribute;
 import nostr.base.PublicKey;
 import nostr.crypto.bech32.Bech32;
@@ -28,7 +28,7 @@
  *
  * @author squirrel
  */
-@Log
+@Slf4j
 public class EventTest {
 
     public EventTest() {
diff --git a/nostr-java-id/src/test/java/nostr/id/ZapReceiptEventTest.java b/nostr-java-id/src/test/java/nostr/id/ZapReceiptEventTest.java
index 657854d89..7d86c33c4 100644
--- a/nostr-java-id/src/test/java/nostr/id/ZapReceiptEventTest.java
+++ b/nostr-java-id/src/test/java/nostr/id/ZapReceiptEventTest.java
@@ -1,8 +1,8 @@
 package nostr.id;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 
-@Log
+@Slf4j
 class ZapReceiptEventTest {
 
 /*
diff --git a/nostr-java-util/src/main/java/nostr/util/validator/Nip05Validator.java b/nostr-java-util/src/main/java/nostr/util/validator/Nip05Validator.java
index dbe1408ae..b7085c087 100644
--- a/nostr-java-util/src/main/java/nostr/util/validator/Nip05Validator.java
+++ b/nostr-java-util/src/main/java/nostr/util/validator/Nip05Validator.java
@@ -8,7 +8,7 @@
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
 import lombok.SneakyThrows;
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import nostr.util.NostrException;
 
 import java.io.BufferedReader;
@@ -19,7 +19,6 @@
 import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.Map;
-import java.util.logging.Level;
 
 /**
  *
@@ -28,7 +27,7 @@
 @Builder
 @RequiredArgsConstructor
 @Data
-@Log
+@Slf4j
 public class Nip05Validator {
 
     private final String nip05;
@@ -49,10 +48,10 @@ public void validate() throws NostrException {
 
             // Verify the public key
             try {
-                log.log(Level.FINE, "Validating {0}@{1}", new Object[]{localPart, domain});
+                log.debug("Validating {}@{}", localPart, domain);
                 validatePublicKey(domain, localPart);
             } catch (IOException | URISyntaxException ex) {
-                log.log(Level.SEVERE, ex.getMessage());
+                log.error("Validation error", ex);
                 throw new NostrException(ex);
             }
         }
@@ -78,7 +77,7 @@ private void validatePublicKey(String domain, String localPart) throws NostrExce
 
             // (2)
             String pubKey = getPublicKey(content, localPart);
-            log.log(Level.FINE, "Public key for {0} returned by the server: [{1}]", new Object[]{localPart, pubKey});
+            log.debug("Public key for {} returned by the server: [{}]", localPart, pubKey);
 
             if (pubKey != null && !pubKey.equals(publicKey)) {
                 throw new NostrException(String.format("Public key mismatch. Expected %s - Received: %s", publicKey, pubKey));
diff --git a/nostr-java-util/src/test/java/nostr/util/NostrUtilTest.java b/nostr-java-util/src/test/java/nostr/util/NostrUtilTest.java
index 01c7bb85d..40242f19a 100644
--- a/nostr-java-util/src/test/java/nostr/util/NostrUtilTest.java
+++ b/nostr-java-util/src/test/java/nostr/util/NostrUtilTest.java
@@ -1,6 +1,6 @@
 package nostr.util;
 
-import lombok.extern.java.Log;
+import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -8,7 +8,7 @@
 /**
  * @author squirrel
  */
-@Log
+@Slf4j
 public class NostrUtilTest {
   /**
    * test intended to confirm conversion routines: