diff --git a/.gitignore b/.gitignore
index c4d159d2..9ada4fd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@ CMakeCache.txt
 CMakeFiles
 Makefile
 compile_commands.json
+moc_*
+*.moc
 
 libraries/utilities/git_revision.cpp
 
diff --git a/libraries/app/include/graphene/app/full_account.hpp b/libraries/app/include/graphene/app/full_account.hpp
index a9e12a1a..5428030d 100644
--- a/libraries/app/include/graphene/app/full_account.hpp
+++ b/libraries/app/include/graphene/app/full_account.hpp
@@ -1,6 +1,8 @@
 #pragma once
 
 #include <graphene/chain/account_object.hpp>
+#include <graphene/chain/vesting_balance_object.hpp>
+#include <graphene/chain/market_evaluator.hpp>
 
 namespace graphene { namespace app {
    using namespace graphene::chain;
diff --git a/programs/light_client/Account.cpp b/programs/light_client/Account.cpp
index 96785e5a..95d75e9e 100644
--- a/programs/light_client/Account.cpp
+++ b/programs/light_client/Account.cpp
@@ -1,5 +1,6 @@
 #include "Balance.hpp"
 #include "ChainDataModel.hpp"
+#include "Wallet.hpp"
 
 #include <graphene/chain/account_object.hpp>
 
@@ -15,17 +16,54 @@ QQmlListProperty<Balance> Account::balances()
    return QQmlListProperty<Balance>(this, this, count, at);
 }
 
+double Account::getActiveControl( Wallet* w )const
+{
+   if( m_account.active.num_auths() == 0 ) return 0;
+   if( m_account.active.weight_threshold == 0 ) return 0;
+
+   uint64_t weight = 0;
+   for( auto& key : m_account.active.key_auths )
+   {
+      if( w->hasPrivateKey( toQString(key.first) ) ) weight += key.second;
+   }
+   for( auto& acnt :  m_account.active.account_auths )
+   {
+      // TODO: lookup Account, check to see if we have full control of it, and
+      // add its weight if we do.  Be sure to limit recursion depth
+   }
+
+   return double(weight) / double( m_account.active.weight_threshold );
+}
+
+double Account::getOwnerControl( Wallet* w )const
+{
+   if( m_account.owner.num_auths() == 0 ) return 0;
+   if( m_account.owner.weight_threshold == 0 ) return 0;
+   uint64_t weight = 0;
+   for( auto& key : m_account.owner.key_auths )
+   {
+      if( w->hasPrivateKey( toQString(key.first) ) ) weight += key.second;
+   }
+   for( auto& acnt :  m_account.owner.account_auths )
+   {
+      // TODO: lookup Account, check to see if we have full *ACTIVE* control of it, and
+      // add its weight if we do.  Be sure to limit recursion depth
+   }
+
+   return double(weight) / double( m_account.owner.weight_threshold );
+}
+
 void Account::update(const graphene::chain::account_balance_object& balance)
 {
    auto balanceItr = std::find_if(m_balances.begin(), m_balances.end(),
                                   [&balance](Balance* b) { return b->type()->id() == balance.asset_type.instance.value; });
 
    if (balanceItr != m_balances.end()) {
-      ilog("Updating ${a}'s balance: ${b}", ("a", m_name.toStdString())("b", balance));
+      ilog("Updating ${a}'s balance: ${b}", ("a", name().toStdString())("b", balance));
       (*balanceItr)->update(balance);
       Q_EMIT balancesChanged();
    } else {
-      ilog("Adding to ${a}'s new balance: ${b}", ("a", m_name.toStdString())("b", balance));
+      ilog("Adding to ${a}'s new balance: ${b}", ("a", name().toStdString())("b", balance));
       Balance* newBalance = new Balance;
       newBalance->setParent(this);
       auto model = qobject_cast<ChainDataModel*>(parent());
diff --git a/programs/light_client/Account.hpp b/programs/light_client/Account.hpp
index dbdfaa9b..f816d6d2 100644
--- a/programs/light_client/Account.hpp
+++ b/programs/light_client/Account.hpp
@@ -4,27 +4,42 @@
 #include "GrapheneObject.hpp"
 
 #include <QQmlListProperty>
+#include <graphene/app/full_account.hpp>
 
 namespace graphene { namespace chain {
 class account_balance_object;
 }}
 
+using graphene::chain::account_object;
+using graphene::chain::account_balance_object;
+
 class Balance;
+class Wallet;
+
 class Account : public GrapheneObject {
    Q_OBJECT
 
-   Q_PROPERTY(QString name MEMBER m_name READ name NOTIFY nameChanged)
+   Q_PROPERTY(QString name READ name NOTIFY nameChanged)
    Q_PROPERTY(QQmlListProperty<Balance> balances READ balances NOTIFY balancesChanged)
 
-   QString m_name;
+   account_object  m_account;
    QList<Balance*> m_balances;
 
 public:
    Account(ObjectId id = -1, QString name = QString(), QObject* parent = nullptr)
-      : GrapheneObject(id, parent), m_name(name)
-   {}
+      : GrapheneObject(id, parent) 
+   {
+      m_account.name = name.toStdString();
+   }
+   void setAccountObject( const account_object& obj )
+   {
+      auto old_name = m_account.name;
+      m_account = obj;
+      if( old_name != m_account.name )
+         Q_EMIT nameChanged();
+   }
 
-   QString name()const { return m_name; }
+   QString name()const { return toQString(m_account.name); }
    QQmlListProperty<Balance> balances();
 
    void setBalances(QList<Balance*> balances) {
@@ -34,7 +49,18 @@ public:
       }
    }
 
-   void update(const graphene::chain::account_balance_object& balance);
+   void update(const account_balance_object& balance);
+
+
+   /** 
+    * Anything greater than 1.0 means full authority.
+    * Anything between (0 and 1.0) means partial authority
+    * 0 means no authority.
+    * 
+    * @return the percent of direct control the wallet has over the account.
+    */
+   Q_INVOKABLE double getOwnerControl( Wallet* w )const;
+   Q_INVOKABLE double getActiveControl( Wallet* w )const;
 
 Q_SIGNALS:
    void nameChanged();
diff --git a/programs/light_client/ChainDataModel.cpp b/programs/light_client/ChainDataModel.cpp
index 9a877abc..9f8c9ebe 100644
--- a/programs/light_client/ChainDataModel.cpp
+++ b/programs/light_client/ChainDataModel.cpp
@@ -79,21 +79,21 @@ void ChainDataModel::processUpdatedObject(const fc::variant& update)
    auto id = update.as<variant_object>()["id"].as<object_id_type>();
    if (id.space() == protocol_ids) {
       switch (id.type()) {
-      default:
-         wlog("Update procedure for ${update} is not yet implemented.", ("update", update));
-         break;
+         default:
+            wlog("Update procedure for ${update} is not yet implemented.", ("update", update));
+            break;
       }
    } else if (id.space() == implementation_ids) {
       switch (id.type()) {
-      case impl_account_balance_object_type: {
-         account_balance_object balance = update.as<account_balance_object>();
-         auto owner = m_accounts.find(balance.owner.instance.value);
-         if (owner != m_accounts.end())
-            (*owner)->update(balance);
-         else
-            elog("Got unexpected balance update:\n${u}\nfor an account I don't have.",
-                 ("u", update));
-         break;
+         case impl_account_balance_object_type: {
+            account_balance_object balance = update.as<account_balance_object>();
+            auto owner = m_accounts.find(balance.owner.instance.value);
+            if (owner != m_accounts.end())
+               (*owner)->update(balance);
+            else
+               elog("Got unexpected balance update:\n${u}\nfor an account I don't have.",
+                    ("u", update));
+            break;
       }
 
       default:
@@ -195,7 +195,7 @@ void ChainDataModel::getAccountImpl(QString accountIdentifier, Account* const *
          } else {
             m_accounts.modify(itr, [this,&accountPackage](Account* a){
                a->setProperty("id", ObjectId(accountPackage->account.id.instance()));
-               a->setProperty("name", QString::fromStdString(accountPackage->account.name));
+               a->setAccountObject( accountPackage->account );
 
                // Set balances
                QList<Balance*> balances;
diff --git a/programs/light_client/GrapheneApplication.cpp b/programs/light_client/GrapheneApplication.cpp
index 93f0c4c5..4a91bb71 100644
--- a/programs/light_client/GrapheneApplication.cpp
+++ b/programs/light_client/GrapheneApplication.cpp
@@ -1,5 +1,6 @@
 #include "GrapheneApplication.hpp"
 #include "ChainDataModel.hpp"
+#include "Wallet.hpp"
 #include "Operations.hpp"
 
 #include <graphene/app/api.hpp>
@@ -17,6 +18,7 @@ GrapheneApplication::GrapheneApplication(QObject* parent)
 
    m_model = new ChainDataModel(m_thread, this);
    m_operationBuilder = new OperationBuilder(*m_model, this);
+   m_wallet = new Wallet( this );
 
    connect(m_model, &ChainDataModel::queueExecute,
            this, &GrapheneApplication::execute);
diff --git a/programs/light_client/GrapheneApplication.hpp b/programs/light_client/GrapheneApplication.hpp
index 10253925..4d40386a 100644
--- a/programs/light_client/GrapheneApplication.hpp
+++ b/programs/light_client/GrapheneApplication.hpp
@@ -7,24 +7,28 @@
 
 #include <QObject>
 
+
 namespace fc { namespace http {
 class websocket_client;
 }}
 
 class ChainDataModel;
 class OperationBuilder;
+class Wallet;
 class GrapheneApplication : public QObject {
    Q_OBJECT
 
    Q_PROPERTY(ChainDataModel* model READ model CONSTANT)
    Q_PROPERTY(OperationBuilder* operationBuilder READ operationBuilder CONSTANT)
+   Q_PROPERTY(Wallet* wallet READ wallet CONSTANT)
    Q_PROPERTY(bool isConnected READ isConnected NOTIFY isConnectedChanged)
 
 
-   fc::thread m_thread;
-   ChainDataModel* m_model = nullptr;
+   fc::thread        m_thread;
+   ChainDataModel*   m_model = nullptr;
+   Wallet*           m_wallet = nullptr;
    OperationBuilder* m_operationBuilder = nullptr;
-   bool m_isConnected = false;
+   bool              m_isConnected = false;
 
    boost::signals2::scoped_connection m_connectionClosed;
 
@@ -40,6 +44,8 @@ public:
    GrapheneApplication(QObject* parent = nullptr);
    ~GrapheneApplication();
 
+   Wallet* wallet()const { return m_wallet; }
+
    ChainDataModel* model() const {
       return m_model;
    }
diff --git a/programs/light_client/GrapheneObject.hpp b/programs/light_client/GrapheneObject.hpp
index 0c53c562..a14c89fd 100644
--- a/programs/light_client/GrapheneObject.hpp
+++ b/programs/light_client/GrapheneObject.hpp
@@ -5,6 +5,8 @@
 
 #include <functional>
 
+QString toQString( const std::string& s );
+
 using ObjectId = qint64;
 Q_DECLARE_METATYPE(ObjectId)
 
diff --git a/programs/light_client/Wallet.cpp b/programs/light_client/Wallet.cpp
index bfee7db6..42ed3bb7 100644
--- a/programs/light_client/Wallet.cpp
+++ b/programs/light_client/Wallet.cpp
@@ -6,7 +6,8 @@
 QString toQString( const std::string& s ) { QString result; result.fromStdString( s ); return result; }
 QString toQString( public_key_type k ) { return toQString( fc::variant(k).as_string() ); }
 
-Wallet::Wallet()
+Wallet::Wallet( QObject* parent )
+:QObject(parent)
 {
 }
 
@@ -35,6 +36,7 @@ bool Wallet::open( QString file_path )
    }
    _wallet_file_path = p;
 
+   Q_EMIT isOpenChanged( true );
    return true;
 }
 
@@ -48,6 +50,7 @@ bool Wallet::close()
    if( !isOpen() ) return false;
    save();
    _wallet_file_path = fc::path();
+   Q_EMIT isOpenChanged( false );
    return false;
 }
 
@@ -158,6 +161,8 @@ bool Wallet::unlock( QString password )
    _decrypted_master_key = fc::raw::unpack<fc::sha512>(plain_txt);
    if( _data.master_key_digest != fc::sha512::hash(_decrypted_master_key) )
       _decrypted_master_key = fc::sha512();
+
+   Q_EMIT isLockedChanged( isLocked() );
    return !isLocked();
 }
 
@@ -166,6 +171,8 @@ bool Wallet::lock()
    if( !isOpen() ) return false;
    _brain_key            = QString();
    _decrypted_master_key = fc::sha512();
+
+   Q_EMIT isLockedChanged( isLocked() );
    return true;
 }
 bool  Wallet::changePassword( QString new_password )
@@ -181,6 +188,22 @@ bool  Wallet::changePassword( QString new_password )
 
    return true;
 }
+bool    Wallet::hasPrivateKey( QString pubkey, bool include_with_brain_key )
+{
+   auto pub = fc::variant( pubkey.toStdString() ).as<public_key_type>();
+   auto itr = _data.encrypted_private_keys.find(pub);
+   if( itr == _data.encrypted_private_keys.end() )
+      return false;
+   if( itr->second.encrypted_private_key.size() ) 
+      return true;
+   if( include_with_brain_key && itr->second.brain_sequence >= 0 )
+   {
+      if( !itr->second.owner )
+         return true;
+      return hasPrivateKey( toQString( *itr->second.owner ), include_with_brain_key );
+   }
+   return false;
+}
 
 QString Wallet::getPrivateKey( QString pubkey )
 {
@@ -203,6 +226,7 @@ QString Wallet::getPublicKey( QString wif_private_key )const
    if( !priv ) return QString();
 
    auto pub = public_key_type(priv->get_public_key());
+
    return toQString( fc::variant( pub ).as_string() );
 }
 
@@ -223,6 +247,8 @@ QString Wallet::getActivePrivateKey( QString owner_pub_key, uint32_t seq )
 
    public_key_type active_pub_key(priv_key->get_public_key());
    _data.encrypted_private_keys[active_pub_key].encrypted_private_key = fc::aes_encrypt( _decrypted_master_key, fc::raw::pack( wif ) );
+   _data.encrypted_private_keys[active_pub_key].owner = fc::variant( owner_pub_key.toStdString() ).as<public_key_type>();
+   _data.encrypted_private_keys[active_pub_key].brain_sequence = seq;
    _available_private_keys.insert( active_pub_key );
 
    return toQString(wif);
@@ -244,6 +270,7 @@ QString Wallet::getOwnerPrivateKey( uint32_t seq )
 
    public_key_type owner_pub_key(priv_key->get_public_key());
    _data.encrypted_private_keys[owner_pub_key].encrypted_private_key = fc::aes_encrypt( _decrypted_master_key, fc::raw::pack( wif ) );
+   _data.encrypted_private_keys[owner_pub_key].brain_sequence = seq;
    _available_private_keys.insert( owner_pub_key );
 
    return toQString( wif );
diff --git a/programs/light_client/Wallet.hpp b/programs/light_client/Wallet.hpp
index d5d6e879..3e00b007 100644
--- a/programs/light_client/Wallet.hpp
+++ b/programs/light_client/Wallet.hpp
@@ -16,13 +16,18 @@ using graphene::chain::digest_type;
 using graphene::chain::signature_type;
 using fc::optional;
 
+QString toQString( const std::string& s );
+QString toQString( public_key_type k );
+
 struct key_data
 {
    string       label; /** unique label assigned to this key */
    /** encrypted as a packed std::string containing a wif private key */
-   vector<char> encrypted_private_key;
+   vector<char>              encrypted_private_key;
+   int32_t                   brain_sequence = -1;
+   optional<public_key_type> owner; /// if this key was derived from an owner key + sequence
 };
-FC_REFLECT( key_data, (label)(encrypted_private_key) );
+FC_REFLECT( key_data, (label)(encrypted_private_key)(brain_sequence)(owner) );
 
 struct wallet_file
 {
@@ -51,10 +56,9 @@ FC_REFLECT( wallet_file,
  */
 class Wallet : public QObject
 {
+   Q_OBJECT
    public:
-      Q_OBJECT
-
-      Wallet();
+      Wallet( QObject* parent = nullptr );
       ~Wallet();
 
       Q_INVOKABLE bool open( QString file_path );
@@ -101,6 +105,7 @@ class Wallet : public QObject
       Q_INVOKABLE bool    setKeyLabel( QString pubkey, QString label );
       Q_INVOKABLE QString getPublicKey( QString label );
       Q_INVOKABLE QString getPrivateKey( QString pubkey );
+      Q_INVOKABLE bool    hasPrivateKey( QString pubkey, bool include_with_brain_key = false );
 
       /** imports a public key and assigns it a label */
       Q_INVOKABLE bool    importPublicKey( QString pubkey, QString label = QString() );
@@ -131,6 +136,10 @@ class Wallet : public QObject
 
       const flat_set<public_key_type>& getAvailablePrivateKeys()const;
 
+   Q_SIGNALS:
+      void isLockedChanged( bool state );
+      void isOpenChanged( bool state );
+
    private:
       fc::path                  _wallet_file_path;
       wallet_file               _data;