diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index c5a51fda86..d666b91a56 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -406,12 +406,6 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
     MIDIManager& midiManagerInstance = MIDIManager::getInstance();
     midiManagerInstance.openDefaultPort();
 #endif
-    
-    
-    QUuid destinationWallet = QUuid::createUuid();
-    
-    SignedWalletTransaction testTransaction(destinationWallet, 1000, QDateTime::currentDateTime().toTime_t(), 3600);
-    qDebug() << "Message digest is" << testTransaction.hexMessage();
 }
 
 Application::~Application() {
diff --git a/interface/src/SignedWalletTransaction.cpp b/interface/src/SignedWalletTransaction.cpp
index e3a8cbaa5c..4d81835e3c 100644
--- a/interface/src/SignedWalletTransaction.cpp
+++ b/interface/src/SignedWalletTransaction.cpp
@@ -13,6 +13,12 @@
 #include <QtCore/QDebug>
 #include <QtCore/QFile>
 
+#include <openssl/bio.h>
+#include <openssl/rsa.h>
+#include <openssl/pem.h>
+
+#include <AccountManager.h>
+
 #include "SignedWalletTransaction.h"
 
 SignedWalletTransaction::SignedWalletTransaction(const QUuid& destinationUUID, qint64 amount,
@@ -35,9 +41,7 @@ QByteArray SignedWalletTransaction::hexMessage() {
     messageBinary.append(reinterpret_cast<const char*>(&_messageTimestamp), sizeof(_messageTimestamp));
     messageBinary.append(reinterpret_cast<const char*>(&_expiryDelta), sizeof(_expiryDelta));
     
-    QUuid sourceUUID = QUuid::createUuid();
-    qDebug() << "The faked source UUID is" << sourceUUID;
-    messageBinary.append(sourceUUID.toRfc4122());
+    messageBinary.append(AccountManager::getInstance().getAccountInfo().getWalletID().toRfc4122());
     
     messageBinary.append(_destinationUUID.toRfc4122());
     
@@ -47,5 +51,29 @@ QByteArray SignedWalletTransaction::hexMessage() {
 }
 
 QByteArray SignedWalletTransaction::messageDigest() {
-    return QCryptographicHash::hash(hexMessage(), QCryptographicHash::Sha256);
+    return QCryptographicHash::hash(hexMessage(), QCryptographicHash::Sha256).toHex();
+}
+
+QByteArray SignedWalletTransaction::signedMessageDigest() {
+    // read the private key from file into memory
+    QFile privateKeyFile("/Users/birarda/Desktop/generated-private.pem");
+    privateKeyFile.open(QIODevice::ReadOnly);
+    QByteArray privateKeyData = privateKeyFile.readAll();
+    
+    BIO* privateKeyBIO = NULL;
+    RSA* rsaPrivateKey = NULL;
+    
+    privateKeyBIO = BIO_new_mem_buf(privateKeyData.data(), privateKeyData.size());
+    PEM_read_bio_RSAPrivateKey(privateKeyBIO, &rsaPrivateKey, NULL, NULL);
+    
+    QByteArray digestToEncrypt = messageDigest();
+    qDebug() << "encrypting the following digest" << digestToEncrypt;
+    QByteArray encryptedDigest(RSA_size(rsaPrivateKey), 0);
+    
+    int encryptReturn = RSA_private_encrypt(digestToEncrypt.size(),
+                                            reinterpret_cast<const unsigned char*>(digestToEncrypt.constData()),
+                                            reinterpret_cast<unsigned char*>(encryptedDigest.data()),
+                                            rsaPrivateKey, RSA_PKCS1_PADDING);
+    
+    return encryptedDigest;
 }
\ No newline at end of file
diff --git a/libraries/networking/src/DataServerAccountInfo.cpp b/libraries/networking/src/DataServerAccountInfo.cpp
index 507c085d26..376aa274c7 100644
--- a/libraries/networking/src/DataServerAccountInfo.cpp
+++ b/libraries/networking/src/DataServerAccountInfo.cpp
@@ -18,6 +18,7 @@ DataServerAccountInfo::DataServerAccountInfo() :
     _username(),
     _xmppPassword(),
     _discourseApiKey(),
+    _walletID(),
     _balance(0),
     _hasBalance(false)
 {
@@ -29,6 +30,7 @@ DataServerAccountInfo::DataServerAccountInfo(const DataServerAccountInfo& otherI
     _username = otherInfo._username;
     _xmppPassword = otherInfo._xmppPassword;
     _discourseApiKey = otherInfo._discourseApiKey;
+    _walletID = otherInfo._walletID;
     _balance = otherInfo._balance;
     _hasBalance = otherInfo._hasBalance;
 }
@@ -46,6 +48,7 @@ void DataServerAccountInfo::swap(DataServerAccountInfo& otherInfo) {
     swap(_username, otherInfo._username);
     swap(_xmppPassword, otherInfo._xmppPassword);
     swap(_discourseApiKey, otherInfo._discourseApiKey);
+    swap(_walletID, otherInfo._walletID);
     swap(_balance, otherInfo._balance);
     swap(_hasBalance, otherInfo._hasBalance);
 }
@@ -74,6 +77,12 @@ void DataServerAccountInfo::setDiscourseApiKey(const QString& discourseApiKey) {
     }
 }
 
+void DataServerAccountInfo::setWalletID(const QUuid& walletID) {
+    if (_walletID != walletID) {
+        _walletID = walletID;
+    }
+}
+
 void DataServerAccountInfo::setBalance(qint64 balance) {
     if (!_hasBalance || _balance != balance) {
         _balance = balance;
@@ -99,14 +108,17 @@ void DataServerAccountInfo::setProfileInfoFromJSON(const QJsonObject& jsonObject
     setUsername(user["username"].toString());
     setXMPPPassword(user["xmpp_password"].toString());
     setDiscourseApiKey(user["discourse_api_key"].toString());
+    setWalletID(QUuid(user["wallet_id"].toString()));
+    
+    qDebug() << "Wallet is" << _walletID;
 }
 
 QDataStream& operator<<(QDataStream &out, const DataServerAccountInfo& info) {
-    out << info._accessToken << info._username << info._xmppPassword << info._discourseApiKey;
+    out << info._accessToken << info._username << info._xmppPassword << info._discourseApiKey << info._walletID;
     return out;
 }
 
 QDataStream& operator>>(QDataStream &in, DataServerAccountInfo& info) {
-    in >> info._accessToken >> info._username >> info._xmppPassword >> info._discourseApiKey;
+    in >> info._accessToken >> info._username >> info._xmppPassword >> info._discourseApiKey >> info._walletID;
     return in;
 }
diff --git a/libraries/networking/src/DataServerAccountInfo.h b/libraries/networking/src/DataServerAccountInfo.h
index 27b776e3ff..dd9540718e 100644
--- a/libraries/networking/src/DataServerAccountInfo.h
+++ b/libraries/networking/src/DataServerAccountInfo.h
@@ -13,6 +13,7 @@
 #define hifi_DataServerAccountInfo_h
 
 #include <QtCore/QObject>
+#include <QtCore/QUuid>
 
 #include "OAuthAccessToken.h"
 
@@ -36,6 +37,9 @@ public:
 
     const QString& getDiscourseApiKey() const { return _discourseApiKey; }
     void setDiscourseApiKey(const QString& discourseApiKey);
+    
+    const QUuid& getWalletID() const { return _walletID; }
+    void setWalletID(const QUuid& walletID);
 
     qint64 getBalance() const { return _balance; }
     float getBalanceInSatoshis() const { return _balance / SATOSHIS_PER_CREDIT; }
@@ -59,6 +63,7 @@ private:
     QString _username;
     QString _xmppPassword;
     QString _discourseApiKey;
+    QUuid _walletID;
     qint64 _balance;
     bool _hasBalance;
 };