diff --git a/build.gradle b/build.gradle
index 3326377..d6c00e8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,28 @@
+buildscript {
+    repositories {
+        maven {
+            url "https://plugins.gradle.org/m2/"
+        }
+    }
+    dependencies {
+        classpath "org.javamodularity:moduleplugin:1.6.0"
+    }
+}
+
 plugins {
     id 'java'
     id 'com.github.johnrengelman.shadow' version '4.0.2'
 }
 
+def javamodularityPluginId = 'org.javamodularity.moduleplugin'
+final hasPlugin = project.getPlugins().hasPlugin(javamodularityPluginId);
+if(hasPlugin) {
+    final Plugin plugin = project.getPlugins().getPlugin(javamodularityPluginId)
+    println 'Plugin already applied - version ' + plugin.properties['javamodularityPluginId']
+} else {
+    apply plugin: "org.javamodularity.moduleplugin"
+}
+
 group 'com.craigraw'
 version '0.1'
 
@@ -21,7 +41,7 @@ dependencies {
         exclude group: 'org.hamcrest', module: 'hamcrest-core'
         exclude group: 'junit', module: 'junit'
     }
-    implementation ('org.bouncycastle:bcprov-jdk15on:1.60') {
+    implementation ('org.bouncycastle:bcprov-jdk15on:1.64') {
         exclude group: 'org.hamcrest', module: 'hamcrest-core'
     }
     implementation ('ch.qos.logback:logback-classic:1.2.3') {
diff --git a/src/main/java/com/craigraw/drongo/crypto/ECKey.java b/src/main/java/com/craigraw/drongo/crypto/ECKey.java
index d2cac1a..99dcaad 100644
--- a/src/main/java/com/craigraw/drongo/crypto/ECKey.java
+++ b/src/main/java/com/craigraw/drongo/crypto/ECKey.java
@@ -61,21 +61,8 @@ public class ECKey {
      * Utility for compressing an elliptic curve point. Returns the same point if it's already compressed.
      * See the ECKey class docs for a discussion of point compression.
      */
-    public static ECPoint compressPoint(ECPoint point) {
-        return getPointWithCompression(point, true);
-    }
-
     public static LazyECPoint compressPoint(LazyECPoint point) {
-        return point.isCompressed() ? point : new LazyECPoint(compressPoint(point.get()), true);
-    }
-
-    private static ECPoint getPointWithCompression(ECPoint point, boolean compressed) {
-        if (point.isCompressed() == compressed)
-            return point;
-        point = point.normalize();
-        BigInteger x = point.getAffineXCoord().toBigInteger();
-        BigInteger y = point.getAffineYCoord().toBigInteger();
-        return CURVE.getCurve().createPoint(x, y, compressed);
+        return point.isCompressed() ? point : new LazyECPoint(point.get(), true);
     }
 
     /**
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 834007f..8edb601 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -1,3 +1,8 @@
 module com.craigraw.drongo {
-
+    requires org.bouncycastle.provider;
+    requires slf4j.api;
+    exports com.craigraw.drongo;
+    exports com.craigraw.drongo.psbt;
+    exports com.craigraw.drongo.protocol;
+    exports com.craigraw.drongo.address;
 }
\ No newline at end of file
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
deleted file mode 100644
index 7f3af57..0000000
--- a/src/main/resources/log4j.properties
+++ /dev/null
@@ -1,10 +0,0 @@
-log4j.rootLogger=DEBUG, stdout, file
-
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=[%-5p] %d %c - %m%n
-
-log4j.appender.file=org.apache.log4j.FileAppender
-log4j.appender.file.File=drongo.log
-log4j.appender.file.layout=org.apache.log4j.PatternLayout
-log4j.appender.file.layout.ConversionPattern=[%-5p] %d %c - %m%n
\ No newline at end of file
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
new file mode 100644
index 0000000..704a0ee
--- /dev/null
+++ b/src/main/resources/logback.xml
@@ -0,0 +1,19 @@
+<configuration>
+    <appender name="FILE" class="ch.qos.logback.core.FileAppender">
+        <file>drongo.log</file>
+        <encoder>
+            <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="debug">
+        <appender-ref ref="FILE" />
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>
\ No newline at end of file