diff --git a/common/src/main/java/io/bitsquare/app/Log.java b/common/src/main/java/io/bitsquare/app/Log.java
index 10a96bc590..44277a17d3 100644
--- a/common/src/main/java/io/bitsquare/app/Log.java
+++ b/common/src/main/java/io/bitsquare/app/Log.java
@@ -24,6 +24,7 @@ import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
 import ch.qos.logback.core.rolling.FixedWindowRollingPolicy;
 import ch.qos.logback.core.rolling.RollingFileAppender;
 import ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy;
+import ch.qos.logback.core.util.FileSize;
 import io.bitsquare.common.util.Profiler;
 import org.slf4j.LoggerFactory;
 
@@ -54,7 +55,7 @@ public class Log {
         rollingPolicy.start();
 
         triggeringPolicy = new SizeBasedTriggeringPolicy();
-        triggeringPolicy.setMaxFileSize("10MB");
+        triggeringPolicy.setMaxFileSize(FileSize.valueOf("10MB"));
         triggeringPolicy.start();
 
         PatternLayoutEncoder encoder = new PatternLayoutEncoder();
diff --git a/core/pom.xml b/core/pom.xml
index 7d84f18671..b85613257b 100755
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -13,24 +13,89 @@
 
     <build>
         <plugins>
-            <!-- <plugin>
-                 <groupId>org.apache.maven.plugins</groupId>
-                 <artifactId>maven-enforcer-plugin</artifactId>
-                 <version>1.3.1</version>
-                 <executions>
-                     <execution>
-                         <id>enforce</id>
-                         <configuration>
-                             <rules>
-                                 <DependencyConvergence />
-                             </rules>
-                         </configuration>
-                         <goals>
-                             <goal>enforce</goal>
-                         </goals>
-                     </execution>
-                 </executions>
-             </plugin>-->
+            <!-- Verify the dependency chain: see https://github.com/gary-rowe/BitcoinjEnforcerRules for
+               more information on this.
+            -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>enforce</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                        <configuration>
+                            <rules>
+                                <DependencyConvergence/>
+                                <digestRule implementation="uk.co.froot.maven.enforcer.DigestRule">
+
+                                    <!-- Create a snapshot to build the list of URNs below -->
+                                    <buildSnapshot>true</buildSnapshot>
+
+                                    <!-- List of required hashes -->
+                                    <urns>
+                                      <urn>aopalliance:aopalliance:1.0:jar:null:compile:0235ba8b489512805ac13a8f9ea77a1ca5ebe3e8</urn>
+                                      <urn>ch.qos.logback:logback-classic:1.1.10:jar:null:compile:56d094f1fd93c2578e8138a83bb036c13abe5898</urn>
+                                      <urn>ch.qos.logback:logback-core:1.1.10:jar:null:compile:ee683b13d3ca1cdc876cdf8a341c81d04976e1d6</urn>
+                                      <urn>com.google.code.findbugs:jsr305:3.0.1:jar:null:compile:f7be08ec23c21485b9b5a1cf1654c2ec8c58168d</urn>
+                                      <urn>com.google.code.gson:gson:2.2.4:jar:null:compile:a60a5e993c98c864010053cb901b7eab25306568</urn>
+                                      <urn>com.google.guava:guava:18.0:jar:null:compile:cce0823396aa693798f8882e64213b1772032b09</urn>
+                                      <urn>com.google.inject:guice:3.0:jar:null:compile:9d84f15fe35e2c716a02979fb62f50a29f38aefa</urn>
+                                      <urn>com.google.protobuf:protobuf-java:2.5.0:jar:null:compile:a10732c76bfacdbd633a7eb0f7968b1059a65dfa</urn>
+                                      <urn>com.lambdaworks:scrypt:1.4.0:jar:null:compile:906506b74f30c8c20bccd9ed4a11112d8941fe87</urn>
+                                      <urn>com.madgag.spongycastle:core:1.51.0.0:jar:null:compile:0f642963312ea0e615ad65f28adc5a5b3a2a0862</urn>
+                                      <urn>com.squareup.okhttp:okhttp:2.2.0:jar:null:compile:959c454243581fdf730abfd4f4745441724bcf2c</urn>
+                                      <urn>com.squareup.okio:okio:1.2.0:jar:null:compile:c0b52915a48fa91b1b94a28d4a2997bac5f524df</urn>
+                                      <urn>commons-codec:commons-codec:1.9:jar:null:compile:9ce04e34240f674bc72680f8b843b1457383161a</urn>
+                                      <urn>commons-io:commons-io:2.4:jar:null:compile:b1b6ea3b7e4aa4f492509a4952029cd8e48019ad</urn>
+                                      <urn>commons-logging:commons-logging:1.1.3:jar:null:compile:f6f66e966c70a83ffbdb6f17a0919eaf7c8aca7f</urn>
+                                      <urn>javax.inject:javax.inject:1:jar:null:compile:6975da39a7040257bd51d21a231b76c915872d38</urn>
+                                      <urn>junit:junit:4.11:jar:null:test:4e031bb61df09069aeb2bffb4019e7a5034a4ee0</urn>
+                                      <urn>net.bytebuddy:byte-buddy-agent:1.6.5:jar:null:test:1a1e2189a7dcca6e861a4d71ffbda621f74072d6</urn>
+                                      <urn>net.bytebuddy:byte-buddy:1.6.5:jar:null:test:25cf61dea06b7402a91bd8435af4ecfc0dd5935b</urn>
+                                      <urn>net.jcip:jcip-annotations:1.0:jar:null:compile:afba4942caaeaf46aab0b976afd57cc7c181467e</urn>
+                                      <urn>net.sf.jopt-simple:jopt-simple:4.8:jar:null:compile:457ac8fb446301588580604fa877cc56285ff74a</urn>
+                                      <urn>org.apache.commons:commons-lang3:3.4:jar:null:compile:5fe28b9518e58819180a43a850fbc0dd24b7c050</urn>
+                                      <urn>org.apache.httpcomponents:httpclient:4.5:jar:null:compile:a1e6cbb3cc2c5f210dd1310ff9fcb2c09c0d1438</urn>
+                                      <urn>org.apache.httpcomponents:httpcore:4.4.1:jar:null:compile:f5aa318bda4c6c8d688c9d00b90681dcd82ce636</urn>
+                                      <urn>org.apache.maven.plugins:maven-clean-plugin:2.5:maven-plugin:null:runtime:75653decaefa85ca8114ff3a4f869bb2ee6d605d</urn>
+                                      <urn>org.apache.maven.plugins:maven-compiler-plugin:3.1:maven-plugin:null:runtime:9977a8d04e75609cf01badc4eb6a9c7198c4c5ea</urn>
+                                      <urn>org.apache.maven.plugins:maven-deploy-plugin:2.7:maven-plugin:null:runtime:6dadfb75679ca010b41286794f737088ebfe12fd</urn>
+                                      <urn>org.apache.maven.plugins:maven-enforcer-plugin:RELEASE:maven-plugin:null:runtime:e9bd7df541415bfe587ce082458f9a48bf9b55b4</urn>
+                                      <urn>org.apache.maven.plugins:maven-install-plugin:2.4:maven-plugin:null:runtime:9d1316166fe4c313f56276935e08df11f45267c2</urn>
+                                      <urn>org.apache.maven.plugins:maven-jar-plugin:2.4:maven-plugin:null:runtime:e3200bcf357b5c5e26df072d27df160546bb079a</urn>
+                                      <urn>org.apache.maven.plugins:maven-resources-plugin:2.6:maven-plugin:null:runtime:dd093ff6a4b680eae7ae83b5ab04310249fc6590</urn>
+                                      <urn>org.apache.maven.plugins:maven-site-plugin:3.3:maven-plugin:null:runtime:77ba1752b1ac4c4339d6f11554800960a56a4ae1</urn>
+                                      <urn>org.apache.maven.plugins:maven-surefire-plugin:2.12.4:maven-plugin:null:runtime:2b435f7f77777d2e62354fdc690da3f1dc47a26b</urn>
+                                      <urn>org.bitcoinj:orchid:1.1.1:jar:null:compile:7898329eae76ec6bfdf27081234bb222d5be09df</urn>
+                                      <urn>org.bouncycastle:bcprov-jdk15on:1.53:jar:null:compile:9d3def2fa5a0d2ed0c1146e9945df10d29eb4ccb</urn>
+                                      <urn>org.fxmisc.easybind:easybind:1.0.3:jar:null:compile:336c8226dfa775c714bc8c3410a1565feffcfb34</urn>
+                                      <urn>org.hamcrest:hamcrest-core:1.3:jar:null:test:42a25dc3219429f0e5d060061f71acb49bf010a0</urn>
+                                      <urn>org.jetbrains:annotations:13.0:jar:null:compile:919f0dfe192fb4e063e7dacadee7f8bb9a2672a9</urn>
+                                      <urn>org.mockito:mockito-core:2.7.5:jar:null:test:24f0d023df553036db3e0cf949d1c4748b84bd69</urn>
+                                      <urn>org.objenesis:objenesis:2.5:jar:null:test:612ecb799912ccf77cba9b3ed8c813da086076e9</urn>
+                                      <urn>org.slf4j:slf4j-api:1.7.22:jar:null:compile:a1c83373863cec7ae8d89dc1c5722d8cb6ec0309</urn>
+                                      <urn>org.springframework:spring-core:4.1.1.RELEASE:jar:null:compile:4b0c607ba83c95ad9ea3defd40c35ae47c5df7d0</urn>
+                                      <urn>org.springframework:spring-test:4.1.1.RELEASE:jar:null:test:406ce9c05253f7dd75ac3f31170c71cca7419d8a</urn>
+                                    </urns>
+                                </digestRule>
+                            </rules>
+                        </configuration>
+                    </execution>
+                </executions>
+
+                <!-- Ensure we download the enforcer rules -->
+                <dependencies>
+                    <dependency>
+                        <groupId>uk.co.froot.maven.enforcer</groupId>
+                        <artifactId>digest-enforcer-rules</artifactId>
+                        <version>0.0.1</version>
+                    </dependency>
+                </dependencies>
+
+            </plugin>
         </plugins>
     </build>
 
diff --git a/network/pom.xml b/network/pom.xml
index 8210f004eb..9228c892b6 100644
--- a/network/pom.xml
+++ b/network/pom.xml
@@ -23,12 +23,17 @@
             <artifactId>jtorproxy</artifactId>
             <version>${project.parent.version}</version>
         </dependency>
-        
+
         <dependency>
           <groupId>org.apache.httpcomponents</groupId>
           <artifactId>httpclient</artifactId>
           <version>4.5</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>commons-logging</groupId>
+                    <artifactId>commons-logging</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
-        
     </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/pom.xml b/pom.xml
index eadc4fa890..d61109297b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,196 +1,210 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>io.bitsquare</groupId>
-    <artifactId>parent</artifactId>
-    <packaging>pom</packaging>
-    <version>0.4.9.8</version>
-    <description>Bitsquare - The decentralized bitcoin exchange</description>
-    <url>https://bitsquare.io</url>
-
-    <organization>
-        <name>bitsquare.io</name>
-    </organization>
-
-    <licenses>
-        <license>
-            <name>GNU AFFERO GENERAL PUBLIC LICENSE</name>
-            <url>http://www.gnu.org/licenses/agpl-3.0.html</url>
-            <distribution>repo</distribution>
-        </license>
-    </licenses>
-
-    <issueManagement>
-        <system>GitHub</system>
-        <url>https://github.com/bitsquare/bitsquare/issues</url>
-    </issueManagement>
-
-    <scm>
-        <connection>scm:git:https://github.com/bitsquare/bitsquare</connection>
-        <developerConnection>scm:git:https://github.com/bitsquare/bitsquare</developerConnection>
-        <url>scm:git:https://github.com/bitsquare/bitsquare</url>
-    </scm>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
-
-    <modules>
-        <module>common</module>
-        <module>core</module>
-        <module>jsocks</module>
-        <module>jtorctl</module>
-        <module>jtorproxy</module>
-        <module>network</module>
-        <module>gui</module>
-        <module>headless</module>
-        <module>seednode</module>
-        <module>monitor</module>
-        <module>statistics</module>
-        <module>pricefeed</module>
-    </modules>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
-            </plugin>
-
-            <!--<plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-enforcer-plugin</artifactId>
-                <version>1.2</version>
-                <executions>
-                    <execution>
-                        <id>enforce</id>
-                        <configuration>
-                            <rules>
-                                <DependencyConvergence />
-                            </rules>
-                        </configuration>
-                        <goals>
-                            <goal>enforce</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>-->
-
-        </plugins>
-    </build>
-
-    <repositories>
-        <repository>
-            <id>sonatype-oss-snapshot</id>
-            <snapshots/>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </repository>
-    </repositories>
-
-    <dependencies>
-        <!--bitcoin
-            Needs local installation!
-            See doc/build.md for further info
-        -->
-        <dependency>
-            <groupId>org.bitcoinj</groupId>
-            <artifactId>bitcoinj-core</artifactId>
-            <version>0.13.1.8</version>
-        </dependency>
-
-        <!--guice-->
-        <dependency>
-            <groupId>com.google.inject</groupId>
-            <artifactId>guice</artifactId>
-            <version>3.0</version>
-        </dependency>
-
-        <!--crypto-->
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.53</version>
-        </dependency>
-
-        <!--utils-->
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>2.4</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>3.4</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>18.0</version>
-        </dependency>
-        <dependency>
-            <groupId>org.fxmisc.easybind</groupId>
-            <artifactId>easybind</artifactId>
-            <version>1.0.3</version>
-        </dependency>
-        <dependency>
-            <groupId>org.reactfx</groupId>
-            <artifactId>reactfx</artifactId>
-            <version>2.0-SNAPSHOT</version>
-        </dependency>
-        <dependency>
-            <groupId>org.jetbrains</groupId>
-            <artifactId>annotations</artifactId>
-            <version>13.0</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.code.findbugs</groupId>
-            <artifactId>jsr305</artifactId>
-            <version>3.0.1</version>
-        </dependency>
-
-        <!--logging-->
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>1.7.12</version>
-        </dependency>
-        <dependency>
-            <groupId>ch.qos.logback</groupId>
-            <artifactId>logback-core</artifactId>
-            <version>1.1.3</version>
-        </dependency>
-        <dependency>
-            <groupId>ch.qos.logback</groupId>
-            <artifactId>logback-classic</artifactId>
-            <version>1.1.3</version>
-        </dependency>
-
-        <!--unit test-->
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.11</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-core</artifactId>
-            <version>1.10.19</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <version>4.1.1.RELEASE</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-</project>
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.bitsquare</groupId>
+    <artifactId>parent</artifactId>
+    <packaging>pom</packaging>
+    <version>0.4.9.8</version>
+    <description>Bitsquare - The decentralized bitcoin exchange</description>
+    <url>https://bitsquare.io</url>
+
+    <organization>
+        <name>bitsquare.io</name>
+    </organization>
+
+    <licenses>
+        <license>
+            <name>GNU AFFERO GENERAL PUBLIC LICENSE</name>
+            <url>http://www.gnu.org/licenses/agpl-3.0.html</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <issueManagement>
+        <system>GitHub</system>
+        <url>https://github.com/bitsquare/bitsquare/issues</url>
+    </issueManagement>
+
+    <scm>
+        <connection>scm:git:https://github.com/bitsquare/bitsquare</connection>
+        <developerConnection>scm:git:https://github.com/bitsquare/bitsquare</developerConnection>
+        <url>scm:git:https://github.com/bitsquare/bitsquare</url>
+    </scm>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <modules>
+        <module>common</module>
+        <module>core</module>
+        <module>jsocks</module>
+        <module>jtorctl</module>
+        <module>jtorproxy</module>
+        <module>network</module>
+        <module>gui</module>
+        <module>headless</module>
+        <module>seednode</module>
+        <module>monitor</module>
+        <module>statistics</module>
+        <module>pricefeed</module>
+    </modules>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+
+            <!--<plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-enforcer-plugin</artifactId>
+                <version>1.2</version>
+                <executions>
+                    <execution>
+                        <id>enforce</id>
+                        <configuration>
+                            <rules>
+                                <DependencyConvergence />
+                            </rules>
+                        </configuration>
+                        <goals>
+                            <goal>enforce</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>-->
+
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>sonatype-oss-snapshot</id>
+            <snapshots/>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <!--bitcoin
+            Needs local installation!
+            See doc/build.md for further info
+        -->
+        <dependency>
+            <groupId>org.bitcoinj</groupId>
+            <artifactId>bitcoinj-core</artifactId>
+            <version>0.13.1.8</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.google.code.findbugs</groupId>
+                    <artifactId>jsr305</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.slf4j</groupId>
+                    <artifactId>slf4j-api</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>com.google.guava</groupId>
+                    <artifactId>guava</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <!--guice-->
+        <dependency>
+            <groupId>com.google.inject</groupId>
+            <artifactId>guice</artifactId>
+            <version>3.0</version>
+        </dependency>
+
+        <!--crypto-->
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk15on</artifactId>
+            <version>1.53</version>
+        </dependency>
+
+        <!--utils-->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.4</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.4</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>18.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.fxmisc.easybind</groupId>
+            <artifactId>easybind</artifactId>
+            <version>1.0.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.reactfx</groupId>
+            <artifactId>reactfx</artifactId>
+            <version>2.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations</artifactId>
+            <version>13.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>jsr305</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+
+        <!--logging-->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.22</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+            <version>1.1.10</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.1.10</version>
+        </dependency>
+
+        <!--unit test-->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>2.7.5</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <version>4.1.1.RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>