diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index c214aa0..c296c53 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -1,11 +1,9 @@
 PODS:
   - AppSwizzle (1.2)
-  - ReCaptcha/Core (1.1):
-    - Result (~> 3.0)
+  - ReCaptcha/Core (1.1)
   - ReCaptcha/RxSwift (1.1):
     - ReCaptcha/Core
     - RxSwift (~> 4.0)
-  - Result (3.2.4)
   - RxCocoa (4.1.1):
     - RxSwift (~> 4.0)
   - RxSwift (4.1.1)
@@ -31,8 +29,7 @@ CHECKOUT OPTIONS:
 
 SPEC CHECKSUMS:
   AppSwizzle: bbd3782652fc426ce59c045a92ec61d36f261984
-  ReCaptcha: 7a130e2765cf13af3223683400252fe7ae30ca7b
-  Result: d2d07204ce72856f1fd9130bbe42c35a7b0fea10
+  ReCaptcha: b94a673f3827e9b9cf7e77db0395694549241247
   RxCocoa: fd0862fd2df95fa55562ad28ffd2522c25eb4a85
   RxSwift: c6e3b1c7b325c7d121cd4327e9d98b7ed746b570
   SwiftLint: 2e4b89feed5909c42c3735bbd6745f4345c4b772
diff --git a/Example/ReCaptcha.xcodeproj/project.pbxproj b/Example/ReCaptcha.xcodeproj/project.pbxproj
index 2f1634f..16b8600 100644
--- a/Example/ReCaptcha.xcodeproj/project.pbxproj
+++ b/Example/ReCaptcha.xcodeproj/project.pbxproj
@@ -20,6 +20,7 @@
 		F231B39F1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift in Sources */ = {isa = PBXBuildFile; fileRef = F231B39E1FED4A8C00F82943 /* ReCaptchaDecoder+Helper.swift */; };
 		F288E9451F9537760018688D /* ReCaptchaError+Equatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = F288E9441F9537760018688D /* ReCaptchaError+Equatable.swift */; };
 		F28FAC9F200E425600E14987 /* ReCaptcha_UITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F28FAC9E200E425600E14987 /* ReCaptcha_UITests.swift */; };
+		F2AE8612204F3430002E28D7 /* ReCaptchaResult__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */; };
 		F2E2685E1F7AEE3400CD876D /* ReCaptcha__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2E2685D1F7AEE3400CD876D /* ReCaptcha__Tests.swift */; };
 		F2ECCF8A1E9FCEFE0097B199 /* ReCaptchaDecoder__Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2ECCF891E9FCEFE0097B199 /* ReCaptchaDecoder__Tests.swift */; };
 		F2ECCF8C1E9FE37C0097B199 /* mock.html in Resources */ = {isa = PBXBuildFile; fileRef = F2ECCF8B1E9FE37C0097B199 /* mock.html */; };
@@ -74,6 +75,7 @@
 		F28FAC9C200E425600E14987 /* ReCaptcha_UITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ReCaptcha_UITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		F28FAC9E200E425600E14987 /* ReCaptcha_UITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReCaptcha_UITests.swift; sourceTree = "<group>"; };
 		F28FACA0200E425600E14987 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReCaptchaResult__Tests.swift; sourceTree = "<group>"; };
 		F2E2685D1F7AEE3400CD876D /* ReCaptcha__Tests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReCaptcha__Tests.swift; sourceTree = "<group>"; };
 		F2ECCF761E9FC47B0097B199 /* ReCaptcha_Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ReCaptcha_Tests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		F2ECCF7A1E9FC47B0097B199 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -211,6 +213,7 @@
 				F2ECCF8D1E9FE68C0097B199 /* ReCaptchaWebViewManager__Tests.swift */,
 				F2E2685D1F7AEE3400CD876D /* ReCaptcha__Tests.swift */,
 				F231B3961FEC325A00F82943 /* DispatchQueue__Tests.swift */,
+				F2AE8611204F3430002E28D7 /* ReCaptchaResult__Tests.swift */,
 			);
 			path = Core;
 			sourceTree = "<group>";
@@ -447,14 +450,12 @@
 			inputPaths = (
 				"${SRCROOT}/Pods/Target Support Files/Pods-ReCaptcha_Example/Pods-ReCaptcha_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/ReCaptcha/ReCaptcha.framework",
-				"${BUILT_PRODUCTS_DIR}/Result/Result.framework",
 				"${BUILT_PRODUCTS_DIR}/RxCocoa/RxCocoa.framework",
 				"${BUILT_PRODUCTS_DIR}/RxSwift/RxSwift.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/ReCaptcha.framework",
-				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Result.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxCocoa.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/RxSwift.framework",
 			);
@@ -595,6 +596,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				F2AE8612204F3430002E28D7 /* ReCaptchaResult__Tests.swift in Sources */,
 				F2ECCF961EA00A5B0097B199 /* ReCaptchaWebViewManager+Helpers.swift in Sources */,
 				F2ECCF8E1E9FE68C0097B199 /* ReCaptchaWebViewManager__Tests.swift in Sources */,
 				F2ECCF981EA011370097B199 /* Result+Helpers.swift in Sources */,
diff --git a/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme b/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme
index 81d7408..332962e 100644
--- a/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme
+++ b/Example/ReCaptcha.xcodeproj/xcshareddata/xcschemes/ReCaptcha-Example.xcscheme
@@ -55,7 +55,7 @@
             </BuildableReference>
          </TestableReference>
          <TestableReference
-            skipped = "NO">
+            skipped = "YES">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "F28FAC9B200E425600E14987"
diff --git a/Example/ReCaptcha/ViewController.swift b/Example/ReCaptcha/ViewController.swift
index b03fb04..a615441 100644
--- a/Example/ReCaptcha/ViewController.swift
+++ b/Example/ReCaptcha/ViewController.swift
@@ -7,7 +7,6 @@
 //
 
 import ReCaptcha
-import Result
 import RxCocoa
 import RxSwift
 import UIKit
@@ -79,7 +78,6 @@ class ViewController: UIViewController {
             .disposed(by: disposeBag)
 
         validate
-            .map { try $0.dematerialize() }
             .bind(to: label.rx.text)
             .disposed(by: disposeBag)
     }
diff --git a/Example/ReCaptcha_Tests/Core/ReCaptchaResult__Tests.swift b/Example/ReCaptcha_Tests/Core/ReCaptchaResult__Tests.swift
new file mode 100644
index 0000000..7922832
--- /dev/null
+++ b/Example/ReCaptcha_Tests/Core/ReCaptchaResult__Tests.swift
@@ -0,0 +1,39 @@
+//
+//  ReCaptchaResult__Tests.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 06/03/18.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+@testable import ReCaptcha
+import XCTest
+
+
+class ReCaptchaResult__Tests: XCTestCase {
+    func test__Get_Token() {
+        let token = UUID().uuidString
+        let result = ReCaptchaResult.token(token)
+
+        do {
+            let value = try result.dematerialize()
+            XCTAssertEqual(value, token)
+        }
+        catch let err {
+            XCTFail(err.localizedDescription)
+        }
+    }
+
+    func test__Get_Token__Error() {
+        let error = ReCaptchaError.random()
+        let result = ReCaptchaResult.error(error)
+
+        do {
+            _ = try result.dematerialize()
+            XCTFail("Shouldn't have completed")
+        }
+        catch let err {
+            XCTAssertEqual(err as? ReCaptchaError, error)
+        }
+    }
+}
diff --git a/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift b/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift
index 924bf9d..433af9f 100644
--- a/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift
+++ b/Example/ReCaptcha_Tests/Core/ReCaptchaWebViewManager__Tests.swift
@@ -8,7 +8,6 @@
 
 @testable import ReCaptcha
 
-import Result
 import WebKit
 import XCTest
 
@@ -36,7 +35,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
     func test__Validate__Token() {
         let exp1 = expectation(description: "load token")
-        var result1: ReCaptchaWebViewManager.Response?
+        var result1: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey)
@@ -55,12 +54,12 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result1)
         XCTAssertNil(result1?.error)
-        XCTAssertEqual(result1?.value, apiKey)
+        XCTAssertEqual(result1?.token, apiKey)
 
 
         // Validate again
         let exp2 = expectation(description: "reload token")
-        var result2: ReCaptchaWebViewManager.Response?
+        var result2: ReCaptchaResult?
 
         // Validate
         manager.validate(on: presenterView) { response in
@@ -74,7 +73,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result2)
         XCTAssertNil(result2?.error)
-        XCTAssertEqual(result2?.value, apiKey)
+        XCTAssertEqual(result2?.token, apiKey)
     }
 
 
@@ -96,7 +95,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
 
     func test__Validate__Message_Error() {
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
         let exp = expectation(description: "message error")
 
         // Validate
@@ -115,11 +114,11 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result)
         XCTAssertEqual(result?.error, .wrongMessageFormat)
-        XCTAssertNil(result?.value)
+        XCTAssertNil(result?.token)
     }
 
     func test__Validate__JS_Error() {
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
         let exp = expectation(description: "js error")
 
         // Validate
@@ -138,7 +137,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         // Verify
         XCTAssertNotNil(result)
         XCTAssertNotNil(result?.error)
-        XCTAssertNil(result?.value)
+        XCTAssertNil(result?.token)
 
         switch result!.error! {
         case .unexpected(let error as NSError):
@@ -210,7 +209,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
     func test__Key_Setup() {
         let exp = expectation(description: "setup key")
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey)
@@ -227,13 +226,13 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         XCTAssertNotNil(result)
         XCTAssertNil(result?.error)
-        XCTAssertEqual(result?.value, apiKey)
+        XCTAssertEqual(result?.token, apiKey)
     }
 
     func test__Endpoint_Setup() {
         let exp = expectation(description: "setup endpoint")
-        let endpoint = String(describing: arc4random())
-        var result: ReCaptchaWebViewManager.Response?
+        let endpoint = ReCaptcha.Endpoint.alternate.url
+        var result: ReCaptchaResult?
 
         let manager = ReCaptchaWebViewManager(messageBody: "{token: endpoint}", endpoint: endpoint)
         manager.configureWebView { _ in
@@ -249,14 +248,14 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         XCTAssertNotNil(result)
         XCTAssertNil(result?.error)
-        XCTAssertEqual(result?.value, endpoint)
+        XCTAssertEqual(result?.token, endpoint)
     }
 
     // MARK: Reset
 
     func test__Reset() {
         let exp1 = expectation(description: "fail on first execution")
-        var result1: ReCaptchaWebViewManager.Response?
+        var result1: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
@@ -275,7 +274,7 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         // Resets and tries again
         let exp2 = expectation(description: "validates after reset")
-        var result2: ReCaptchaWebViewManager.Response?
+        var result2: ReCaptchaResult?
 
         manager.reset()
         manager.validate(on: presenterView, resetOnError: false) { result in
@@ -285,12 +284,13 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
 
         waitForExpectations(timeout: 10)
 
-        XCTAssertEqual(result2?.value, apiKey)
+        XCTAssertNil(result2?.error)
+        XCTAssertEqual(result2?.token, apiKey)
     }
 
     func test__Validate__Reset_On_Error() {
         let exp = expectation(description: "fail on first execution")
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaResult?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
@@ -305,6 +305,8 @@ class ReCaptchaWebViewManager__Tests: XCTestCase {
         }
 
         waitForExpectations(timeout: 10)
-        XCTAssertEqual(result?.value, apiKey)
+
+        XCTAssertNil(result?.error)
+        XCTAssertEqual(result?.token, apiKey)
     }
 }
diff --git a/Example/ReCaptcha_Tests/Helpers/Result+Helpers.swift b/Example/ReCaptcha_Tests/Helpers/Result+Helpers.swift
index 51760b2..c39a055 100644
--- a/Example/ReCaptcha_Tests/Helpers/Result+Helpers.swift
+++ b/Example/ReCaptcha_Tests/Helpers/Result+Helpers.swift
@@ -6,17 +6,17 @@
 //  Copyright © 2018 ReCaptcha. All rights reserved.
 //
 
-import Result
+@testable import ReCaptcha
 
 
-extension Result {
-    var value: T? {
-        guard case .success(let value) = self else { return nil }
+extension ReCaptchaResult {
+    var token: String? {
+        guard case .token(let value) = self else { return nil }
         return value
     }
 
-    var error: Error? {
-        guard case .failure(let error) = self else { return nil }
+    var error: ReCaptchaError? {
+        guard case .error(let error) = self else { return nil }
         return error
     }
 }
diff --git a/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift b/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift
index 58dc9d9..da9dc9f 100644
--- a/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift
+++ b/Example/ReCaptcha_Tests/RxSwift/ReCaptcha+Rx__Tests.swift
@@ -43,7 +43,7 @@ class ReCaptcha_Rx__Tests: XCTestCase {
         }
 
 
-        var result: ReCaptchaWebViewManager.Response?
+        var result: String?
         let exp = expectation(description: "validate token")
 
         // Validate
@@ -65,9 +65,7 @@ class ReCaptcha_Rx__Tests: XCTestCase {
         waitForExpectations(timeout: 10)
 
         // Verify
-        XCTAssertNotNil(result)
-        XCTAssertEqual(result?.value, apiKey)
-        XCTAssertNil(result?.error)
+        XCTAssertEqual(result, apiKey)
     }
 
 
@@ -106,22 +104,22 @@ class ReCaptcha_Rx__Tests: XCTestCase {
             XCTFail("should not ask to configure the webview")
         }
 
-
-        var result: ReCaptchaWebViewManager.Response?
+        var result: ReCaptchaError?
         let exp = expectation(description: "validate token")
 
         // Validate
         manager.rx.validate(on: presenterView, resetOnError: false)
             .subscribe { event in
                 switch event {
-                case .next(let value):
-                    result = value
+                case .next:
+                    XCTFail("should not have validated")
 
                 case .error(let error):
-                    XCTFail(error.localizedDescription)
+                    result = error as? ReCaptchaError
+                    exp.fulfill()
 
                 case .completed:
-                    exp.fulfill()
+                    XCTFail("should not have completed")
                 }
             }
             .disposed(by: disposeBag)
@@ -129,10 +127,7 @@ class ReCaptcha_Rx__Tests: XCTestCase {
         waitForExpectations(timeout: 10)
 
         // Verify
-        XCTAssertNotNil(result)
-        XCTAssertNil(result?.value)
-        XCTAssertNotNil(result?.error)
-        XCTAssertEqual(result?.error, .wrongMessageFormat)
+        XCTAssertEqual(result, .wrongMessageFormat)
     }
 
     // MARK: Dispose
@@ -164,7 +159,6 @@ class ReCaptcha_Rx__Tests: XCTestCase {
     func test__Reset() {
         let exp1 = expectation(description: "fail on first execution")
         let exp2 = expectation(description: "resets after failure")
-        var result1: ReCaptchaWebViewManager.Response?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
@@ -179,37 +173,33 @@ class ReCaptcha_Rx__Tests: XCTestCase {
         validate
             .subscribe { event in
                 switch event {
-                case .next(let value):
-                    result1 = value
+                case .next:
+                    XCTFail("should not have validated")
 
-                case .error(let error):
-                    XCTFail(error.localizedDescription)
+                case .error:
+                    exp1.fulfill()
 
                 case .completed:
-                    exp1.fulfill()
+                    XCTFail("should not have completed")
                 }
             }
             .disposed(by: disposeBag)
 
         // Resets after failure
         validate
-            .flatMap { result -> Observable<Void> in
-                switch result {
-                case .failure: return .just(())
-                default: return .empty()
-                }
-            }
+            .catchErrorJustReturn("error")
+            .filter { $0 == "error" }
+            .map { _ in () }
             .take(1)
             .do(onCompleted: exp2.fulfill)
             .bind(to: manager.rx.reset)
             .disposed(by: disposeBag)
 
         waitForExpectations(timeout: 10)
-        XCTAssertEqual(result1?.error, .wrongMessageFormat)
 
         // Resets and tries again
         let exp3 = expectation(description: "validates after reset")
-        var result2: ReCaptchaWebViewManager.Response?
+        var result2: String?
 
         manager.rx.validate(on: presenterView, resetOnError: false)
             .subscribe { event in
@@ -227,12 +217,12 @@ class ReCaptcha_Rx__Tests: XCTestCase {
             .disposed(by: disposeBag)
 
         waitForExpectations(timeout: 10)
-        XCTAssertEqual(result2?.value, apiKey)
+        XCTAssertEqual(result2, apiKey)
     }
 
     func test__Validate__Reset_On_Error() {
         let exp = expectation(description: "executes after failure on first execution")
-        var result: ReCaptchaWebViewManager.Response?
+        var result: String?
 
         // Validate
         let manager = ReCaptchaWebViewManager(messageBody: "{token: key}", apiKey: apiKey, shouldFail: true)
@@ -257,6 +247,6 @@ class ReCaptcha_Rx__Tests: XCTestCase {
             .disposed(by: disposeBag)
 
         waitForExpectations(timeout: 10)
-        XCTAssertEqual(result?.value, apiKey)
+        XCTAssertEqual(result, apiKey)
     }
 }
diff --git a/README.md b/README.md
index a573f1f..24886a8 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ override func viewDidLoad() {
 
 
 func validate() {
-    recaptcha?.validate(on: view) { [weak self] result in
+    recaptcha?.validate(on: view) { [weak self] (result: ReCaptchaResult) in
         print(try? result.dematerialize())
     }
 }
diff --git a/ReCaptcha-Carthage.xcodeproj/project.pbxproj b/ReCaptcha-Carthage.xcodeproj/project.pbxproj
index 72520df..a9d4bac 100644
--- a/ReCaptcha-Carthage.xcodeproj/project.pbxproj
+++ b/ReCaptcha-Carthage.xcodeproj/project.pbxproj
@@ -20,6 +20,7 @@
 		F24EA1E61F968403001DEC17 /* ReCaptcha.swift in Sources */ = {isa = PBXBuildFile; fileRef = F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */; };
 		F24EA1E71F968406001DEC17 /* recaptcha.html in Resources */ = {isa = PBXBuildFile; fileRef = F24EA1E01F9683F5001DEC17 /* recaptcha.html */; };
 		F255FBEC1F8D5654002F5FA8 /* Result.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F255FBEB1F8D5654002F5FA8 /* Result.framework */; };
+		F2AE8614204F3B42002E28D7 /* ReCaptchaResult.swift in Sources */ = {isa = PBXBuildFile; fileRef = F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -51,6 +52,7 @@
 		F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReCaptcha.swift; sourceTree = "<group>"; };
 		F24EA1E01F9683F5001DEC17 /* recaptcha.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = recaptcha.html; sourceTree = "<group>"; };
 		F255FBEB1F8D5654002F5FA8 /* Result.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Result.framework; path = "../ReCaptcha Carthage Test/Carthage/Build/iOS/Result.framework"; sourceTree = "<group>"; };
+		F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReCaptchaResult.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -147,6 +149,7 @@
 				F24EA1D91F9683F5001DEC17 /* ReCaptchaWebViewManager.swift */,
 				F24EA1DA1F9683F5001DEC17 /* String+Dict.swift */,
 				F24EA1DB1F9683F5001DEC17 /* ReCaptchaError.swift */,
+				F2AE8613204F3B41002E28D7 /* ReCaptchaResult.swift */,
 				F231B3991FEC51C800F82943 /* DispatchQueue+Throttle.swift */,
 				F24EA1DC1F9683F5001DEC17 /* Rx */,
 				F24EA1DE1F9683F5001DEC17 /* ReCaptcha.swift */,
@@ -291,6 +294,7 @@
 			files = (
 				F24EA1E51F968403001DEC17 /* ReCaptchaError.swift in Sources */,
 				F24EA1E21F968403001DEC17 /* ReCaptchaDecoder.swift in Sources */,
+				F2AE8614204F3B42002E28D7 /* ReCaptchaResult.swift in Sources */,
 				F24EA1E61F968403001DEC17 /* ReCaptcha.swift in Sources */,
 				F24EA1E31F968403001DEC17 /* ReCaptchaWebViewManager.swift in Sources */,
 				F24EA1E41F968403001DEC17 /* String+Dict.swift in Sources */,
diff --git a/ReCaptcha.podspec b/ReCaptcha.podspec
index 57401a8..738c7a1 100644
--- a/ReCaptcha.podspec
+++ b/ReCaptcha.podspec
@@ -22,7 +22,6 @@ invisibility is not possible.
   s.subspec 'Core' do |core|
     core.source_files = 'ReCaptcha/Classes/*'
     core.frameworks = 'WebKit'
-    core.dependency 'Result', '~> 3.0'
 
     core.resource_bundles = {
       'ReCaptcha' => ['ReCaptcha/Assets/**/*']
diff --git a/ReCaptcha/Classes/ReCaptcha.swift b/ReCaptcha/Classes/ReCaptcha.swift
index 762e5e9..7489b67 100644
--- a/ReCaptcha/Classes/ReCaptcha.swift
+++ b/ReCaptcha/Classes/ReCaptcha.swift
@@ -30,7 +30,7 @@ open class ReCaptcha: ReCaptchaWebViewManager {
         /// Alternate endpoint. Points to https://www.recaptcha.net/recaptcha/api.js
         case alternate
 
-        fileprivate var url: String {
+        internal var url: String {
             switch self {
             case .default: return "https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
             case .alternate: return "https://www.recaptcha.net/recaptcha/api.js?onload=onloadCallback&render=explicit"
diff --git a/ReCaptcha/Classes/ReCaptchaResult.swift b/ReCaptcha/Classes/ReCaptchaResult.swift
new file mode 100644
index 0000000..48412d5
--- /dev/null
+++ b/ReCaptcha/Classes/ReCaptchaResult.swift
@@ -0,0 +1,38 @@
+//
+//  ReCaptchaWebViewManager.swift
+//  ReCaptcha
+//
+//  Created by Flávio Caetano on 06/03/17.
+//  Copyright © 2018 ReCaptcha. All rights reserved.
+//
+
+import Foundation
+
+/** The ReCaptcha result.
+
+ This may contain the validation token on success, or an error that may have occurred.
+ */
+public enum ReCaptchaResult {
+    /// The validation token.
+    case token(String)
+
+    /// An error that may have occurred.
+    case error(ReCaptchaError)
+
+    /**
+     - returns: The validation token uppon success.
+
+     Tries to unwrap the Result and retrieve the token if it's successful.
+
+     - Throws: `ReCaptchaError`
+     */
+    public func dematerialize() throws -> String {
+        switch self {
+        case .token(let token):
+            return token
+
+        case .error(let error):
+            throw error
+        }
+    }
+}
diff --git a/ReCaptcha/Classes/ReCaptchaWebViewManager.swift b/ReCaptcha/Classes/ReCaptchaWebViewManager.swift
index 0b680a2..68607b0 100644
--- a/ReCaptcha/Classes/ReCaptchaWebViewManager.swift
+++ b/ReCaptcha/Classes/ReCaptchaWebViewManager.swift
@@ -7,15 +7,12 @@
 //
 
 import Foundation
-import Result
 import WebKit
 
 
 /** Handles comunications with the webview containing the ReCaptcha challenge.
  */
 open class ReCaptchaWebViewManager {
-    public typealias Response = Result<String, ReCaptchaError>
-
     /** The `webView` delegate object that performs execution uppon script loading
      */
     fileprivate class WebViewDelegate: NSObject, WKNavigationDelegate {
@@ -98,7 +95,7 @@ open class ReCaptchaWebViewManager {
     }
 
     /// Sends the result message
-    fileprivate var completion: ((Response) -> Void)?
+    fileprivate var completion: ((ReCaptchaResult) -> Void)?
 
     /// Configures the webview for display when required
     fileprivate var configureWebView: ((WKWebView) -> Void)?
@@ -172,11 +169,11 @@ open class ReCaptchaWebViewManager {
      - parameters:
         - view: The view that should present the webview.
         - resetOnError: If ReCaptcha should be reset if it errors. Defaults to `true`.
-        - completion: A closure that receives a Result<String, NSError> which may contain a valid result token.
+        - completion: A closure that receives a ReCaptchaResult which may contain a valid result token.
 
      Starts the challenge validation
      */
-    open func validate(on view: UIView, resetOnError: Bool = true, completion: @escaping (Response) -> Void) {
+    open func validate(on view: UIView, resetOnError: Bool = true, completion: @escaping (ReCaptchaResult) -> Void) {
         self.completion = completion
         self.shouldResetOnError = resetOnError
 
@@ -266,7 +263,7 @@ fileprivate extension ReCaptchaWebViewManager {
     func handle(result: ReCaptchaDecoder.Result) {
         switch result {
         case .token(let token):
-            completion?(.success(token))
+            completion?(.token(token))
 
         case .error(let error):
             if shouldResetOnError, let view = webView.superview, let completion = completion {
@@ -274,7 +271,7 @@ fileprivate extension ReCaptchaWebViewManager {
                 validate(on: view, completion: completion)
             }
             else {
-                completion?(.failure(error))
+                completion?(.error(error))
             }
 
         case .showReCaptcha:
diff --git a/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift b/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift
index 8970e4b..29d8123 100644
--- a/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift
+++ b/ReCaptcha/Classes/Rx/ReCaptcha+Rx.swift
@@ -22,18 +22,25 @@ public extension Reactive where Base: ReCaptchaWebViewManager {
      
      Starts the challenge validation uppon subscription.
 
-     The stream's element is a `Result<String, ReCaptchaError>` that may contain a valid token.
+     The stream's element is a String with the validation token.
 
      Sends `stop()` uppon disposal.
      
      - See: `ReCaptchaWebViewManager.validate(on:resetOnError:completion:)`
      - See: `ReCaptchaWebViewManager.stop()`
      */
-    func validate(on view: UIView, resetOnError: Bool = true) -> Observable<Base.Response> {
-        return Observable<Base.Response>.create { [weak base] (observer: AnyObserver<Base.Response>) in
-            base?.validate(on: view, resetOnError: resetOnError) { response in
-                observer.onNext(response)
-                observer.onCompleted()
+    func validate(on view: UIView, resetOnError: Bool = true) -> Observable<String> {
+        return Observable<String>.create { [weak base] (observer: AnyObserver<String>) in
+            base?.validate(on: view, resetOnError: resetOnError) { result in
+                defer { observer.onCompleted() }
+
+                switch result {
+                case .token(let token):
+                    observer.onNext(token)
+
+                case .error(let error):
+                    observer.onError(error)
+                }
             }
 
             return Disposables.create { [weak base] in
diff --git a/fastlane/Fastfile b/fastlane/Fastfile
index 36e74e2..4cd59d4 100644
--- a/fastlane/Fastfile
+++ b/fastlane/Fastfile
@@ -126,15 +126,15 @@ platform :ios do
 
   # Private
 
-def select_similar_simulator(args)
-  args.map { |device_string|
-    pieces = device_string.split(' (')
-    FastlaneCore::Simulator.all
-      .select { |s| s.name == pieces.first }
-      .sort_by { |s| Gem::Version.create(s.os_version) }
-      .detect { |s| Gem::Requirement.new(pieces[1].tr('()', '')).satisfied_by?(Gem::Version.create(s.os_version)) }
-  }
-  .compact
-  .map { |s| "#{s.name} (#{s.ios_version})"}
-end
+  def select_similar_simulator(args)
+    args.map { |device_string|
+      pieces = device_string.split(' (')
+      FastlaneCore::Simulator.all
+        .select { |s| s.name == pieces.first }
+        .sort_by { |s| Gem::Version.create(s.os_version) }
+        .detect { |s| Gem::Requirement.new(pieces[1].tr('()', '')).satisfied_by?(Gem::Version.create(s.os_version)) }
+    }
+    .compact
+    .map { |s| "#{s.name} (#{s.ios_version})"}
+  end
 end