diff --git a/lib/model/index.js b/lib/model/index.js
index da25d4d..747d73a 100644
--- a/lib/model/index.js
+++ b/lib/model/index.js
@@ -3,6 +3,7 @@ var Model = {};
 Model.Wallet = require('./wallet');
 Model.Copayer = require('./copayer');
 Model.TxProposalLegacy = require('./txproposal_legacy');
+Model.TxProposal = require('./txproposal');
 Model.Address = require('./address');
 Model.Notification = require('./notification');
 Model.Preferences = require('./preferences');
diff --git a/lib/model/txproposalv3.js b/lib/model/txproposal.js
similarity index 81%
rename from lib/model/txproposalv3.js
rename to lib/model/txproposal.js
index a9766c8..a81d7e9 100644
--- a/lib/model/txproposalv3.js
+++ b/lib/model/txproposal.js
@@ -15,39 +15,39 @@ var Defaults = Common.Defaults;
 
 var TxProposalAction = require('./txproposalaction');
 
-function TxProposalv3() {};
+function TxProposal() {};
 
-TxProposalv3.Types = {
+TxProposal.Types = {
   STANDARD: 'standard',
   EXTERNAL: 'external'
 };
 
-TxProposalv3.isTypeSupported = function(type) {
-  return _.contains(_.values(TxProposalv3.Types), type);
+TxProposal.isTypeSupported = function(type) {
+  return _.contains(_.values(TxProposal.Types), type);
 };
 
-TxProposalv3._create = {};
+TxProposal._create = {};
 
-TxProposalv3._create.standard = function(txp, opts) {
+TxProposal._create.standard = function(txp, opts) {
   txp.outputs = _.map(opts.outputs, function(output) {
     return _.pick(output, ['amount', 'toAddress', 'message']);
   });
   txp.outputOrder = _.shuffle(_.range(txp.outputs.length + 1));
 };
 
-TxProposalv3._create.external = function(txp, opts) {
+TxProposal._create.external = function(txp, opts) {
   txp.setInputs(opts.inputs || []);
   txp.outputs = opts.outputs;
   txp.outputOrder = _.range(txp.outputs.length + 1);
 };
 
-TxProposalv3.create = function(opts) {
+TxProposal.create = function(opts) {
   opts = opts || {};
 
-  var x = new TxProposalv3();
+  var x = new TxProposal();
 
   x.version = 3;
-  x.type = opts.type || TxProposalv3.Types.STANDARD;
+  x.type = opts.type || TxProposal.Types.STANDARD;
 
   var now = Date.now();
   x.createdOn = Math.floor(now / 1000);
@@ -73,8 +73,8 @@ TxProposalv3.create = function(opts) {
 
   x.customData = opts.customData;
 
-  if (_.isFunction(TxProposalv3._create[x.type])) {
-    TxProposalv3._create[x.type](x, opts);
+  if (_.isFunction(TxProposal._create[x.type])) {
+    TxProposal._create[x.type](x, opts);
   }
 
   x.amount = x.getTotalAmount();
@@ -86,8 +86,8 @@ TxProposalv3.create = function(opts) {
   return x;
 };
 
-TxProposalv3.fromObj = function(obj) {
-  var x = new TxProposalv3();
+TxProposal.fromObj = function(obj) {
+  var x = new TxProposal();
 
   x.version = obj.version;
   x.type = obj.type;
@@ -126,19 +126,19 @@ TxProposalv3.fromObj = function(obj) {
   return x;
 };
 
-TxProposalv3.prototype.toObject = function() {
+TxProposal.prototype.toObject = function() {
   var x = _.cloneDeep(this);
   x.isPending = this.isPending();
   x.isTemporary = this.isTemporary();
   return x;
 };
 
-TxProposalv3.prototype.setInputs = function(inputs) {
+TxProposal.prototype.setInputs = function(inputs) {
   this.inputs = inputs;
   this.inputPaths = _.pluck(inputs, 'path');
 };
 
-TxProposalv3.prototype._updateStatus = function() {
+TxProposal.prototype._updateStatus = function() {
   if (this.status != 'pending') return;
 
   if (this.isRejected()) {
@@ -148,7 +148,7 @@ TxProposalv3.prototype._updateStatus = function() {
   }
 };
 
-TxProposalv3.prototype._buildTx = function() {
+TxProposal.prototype._buildTx = function() {
   var self = this;
 
   var t = new Bitcore.Transaction();
@@ -208,7 +208,7 @@ TxProposalv3.prototype._buildTx = function() {
 };
 
 
-TxProposalv3.prototype._getCurrentSignatures = function() {
+TxProposal.prototype._getCurrentSignatures = function() {
   var acceptedActions = _.filter(this.actions, {
     type: 'accept'
   });
@@ -221,7 +221,7 @@ TxProposalv3.prototype._getCurrentSignatures = function() {
   });
 };
 
-TxProposalv3.prototype.getBitcoreTx = function() {
+TxProposal.prototype.getBitcoreTx = function() {
   var self = this;
 
   var t = this._buildTx();
@@ -234,13 +234,13 @@ TxProposalv3.prototype.getBitcoreTx = function() {
   return t;
 };
 
-TxProposalv3.prototype.getRawTx = function() {
+TxProposal.prototype.getRawTx = function() {
   var t = this.getBitcoreTx();
 
   return t.uncheckedSerialize();
 };
 
-TxProposalv3.prototype.getEstimatedSize = function() {
+TxProposal.prototype.getEstimatedSize = function() {
   // Note: found empirically based on all multisig P2SH inputs and within m & n allowed limits.
   var safetyMargin = 0.05;
   var walletM = this.requiredSignatures;
@@ -256,7 +256,7 @@ TxProposalv3.prototype.getEstimatedSize = function() {
   return parseInt((size * (1 + safetyMargin)).toFixed(0));
 };
 
-TxProposalv3.prototype.estimateFee = function() {
+TxProposal.prototype.estimateFee = function() {
   var fee = this.feePerKb * this.getEstimatedSize() / 1000;
   this.fee = parseInt(fee.toFixed(0));
 };
@@ -266,7 +266,7 @@ TxProposalv3.prototype.estimateFee = function() {
  *
  * @return {Number} total amount of all outputs excluding change output
  */
-TxProposalv3.prototype.getTotalAmount = function() {
+TxProposal.prototype.getTotalAmount = function() {
   return _.sum(this.outputs, 'amount');
 };
 
@@ -275,7 +275,7 @@ TxProposalv3.prototype.getTotalAmount = function() {
  *
  * @return {String[]} copayerIds that performed actions in this proposal (accept / reject)
  */
-TxProposalv3.prototype.getActors = function() {
+TxProposal.prototype.getActors = function() {
   return _.pluck(this.actions, 'copayerId');
 };
 
@@ -285,7 +285,7 @@ TxProposalv3.prototype.getActors = function() {
  *
  * @return {String[]} copayerIds that approved the tx proposal (accept)
  */
-TxProposalv3.prototype.getApprovers = function() {
+TxProposal.prototype.getApprovers = function() {
   return _.pluck(
     _.filter(this.actions, {
       type: 'accept'
@@ -298,13 +298,13 @@ TxProposalv3.prototype.getApprovers = function() {
  * @param {String} copayerId
  * @return {Object} type / createdOn
  */
-TxProposalv3.prototype.getActionBy = function(copayerId) {
+TxProposal.prototype.getActionBy = function(copayerId) {
   return _.find(this.actions, {
     copayerId: copayerId
   });
 };
 
-TxProposalv3.prototype.addAction = function(copayerId, type, comment, signatures, xpub) {
+TxProposal.prototype.addAction = function(copayerId, type, comment, signatures, xpub) {
   var action = TxProposalAction.create({
     copayerId: copayerId,
     type: type,
@@ -316,7 +316,7 @@ TxProposalv3.prototype.addAction = function(copayerId, type, comment, signatures
   this._updateStatus();
 };
 
-TxProposalv3.prototype._addSignaturesToBitcoreTx = function(tx, signatures, xpub) {
+TxProposal.prototype._addSignaturesToBitcoreTx = function(tx, signatures, xpub) {
   var self = this;
 
   if (signatures.length != this.inputs.length)
@@ -346,7 +346,7 @@ TxProposalv3.prototype._addSignaturesToBitcoreTx = function(tx, signatures, xpub
 };
 
 
-TxProposalv3.prototype.sign = function(copayerId, signatures, xpub) {
+TxProposal.prototype.sign = function(copayerId, signatures, xpub) {
   try {
     // Tests signatures are OK
     var tx = this.getBitcoreTx();
@@ -366,36 +366,36 @@ TxProposalv3.prototype.sign = function(copayerId, signatures, xpub) {
   }
 };
 
-TxProposalv3.prototype.reject = function(copayerId, reason) {
+TxProposal.prototype.reject = function(copayerId, reason) {
   this.addAction(copayerId, 'reject', reason);
 };
 
-TxProposalv3.prototype.isTemporary = function() {
+TxProposal.prototype.isTemporary = function() {
   return this.status == 'temporary';
 };
 
-TxProposalv3.prototype.isPending = function() {
+TxProposal.prototype.isPending = function() {
   return !_.contains(['broadcasted', 'rejected'], this.status);
 };
 
-TxProposalv3.prototype.isAccepted = function() {
+TxProposal.prototype.isAccepted = function() {
   var votes = _.countBy(this.actions, 'type');
   return votes['accept'] >= this.requiredSignatures;
 };
 
-TxProposalv3.prototype.isRejected = function() {
+TxProposal.prototype.isRejected = function() {
   var votes = _.countBy(this.actions, 'type');
   return votes['reject'] >= this.requiredRejections;
 };
 
-TxProposalv3.prototype.isBroadcasted = function() {
+TxProposal.prototype.isBroadcasted = function() {
   return this.status == 'broadcasted';
 };
 
-TxProposalv3.prototype.setBroadcasted = function() {
+TxProposal.prototype.setBroadcasted = function() {
   $.checkState(this.txid);
   this.status = 'broadcasted';
   this.broadcastedOn = Math.floor(Date.now() / 1000);
 };
 
-module.exports = TxProposalv3;
+module.exports = TxProposal;
diff --git a/test/models/txproposalv3.js b/test/models/txproposal.js
similarity index 98%
rename from test/models/txproposalv3.js
rename to test/models/txproposal.js
index 22f7bd9..ea6627f 100644
--- a/test/models/txproposalv3.js
+++ b/test/models/txproposal.js
@@ -4,10 +4,10 @@ var _ = require('lodash');
 var chai = require('chai');
 var sinon = require('sinon');
 var should = chai.should();
-var TxProposal = require('../../lib/model/txproposalv3');
+var TxProposal = require('../../lib/model/txproposal');
 var Bitcore = require('bitcore-lib');
 
-describe('TxProposal v3', function() {
+describe('TxProposal', function() {
   describe('#create', function() {
     it('should create a TxProposal', function() {
       var txp = TxProposal.create(aTxpOpts());
diff --git a/test/models/txproposal_legacy.js b/test/models/txproposal_legacy.js
index a4d5779..2f1eda7 100644
--- a/test/models/txproposal_legacy.js
+++ b/test/models/txproposal_legacy.js
@@ -7,7 +7,7 @@ var should = chai.should();
 var TxProposal = require('../../lib/model/txproposal_legacy');
 var Bitcore = require('bitcore-lib');
 
-describe('TXProposal', function() {
+describe('TXProposal legacy', function() {
 
   describe('#create', function() {
     it('should create a TxProposal', function() {