diff --git a/Sources/XyoClient/Panel/Panel.swift b/Sources/XyoClient/Panel/Panel.swift
index 7412ceb..ff8577c 100644
--- a/Sources/XyoClient/Panel/Panel.swift
+++ b/Sources/XyoClient/Panel/Panel.swift
@@ -6,13 +6,13 @@ public enum XyoPanelError: Error {
 
 public class XyoPanel {
 
-    public init(archivists: [XyoArchivistApiClient], witnesses: [AbstractWitness]) {
+    public init(archivists: [XyoArchivistApiClient], witnesses: [AbstractSyncWitness]) {
         self._archivists = archivists
         self._witnesses = witnesses
     }
 
     public convenience init(
-        archive: String? = nil, apiDomain: String? = nil, witnesses: [AbstractWitness]? = nil,
+        archive: String? = nil, apiDomain: String? = nil, witnesses: [AbstractSyncWitness]? = nil,
         token: String? = nil
     ) {
         let apiConfig = XyoArchivistApiConfig(
@@ -23,7 +23,7 @@ public class XyoPanel {
 
     public convenience init(observe: (() -> XyoEventPayload?)?) {
         if observe != nil {
-            var witnesses = [AbstractWitness]()
+            var witnesses = [AbstractSyncWitness]()
 
             if let observe = observe {
                 witnesses.append(XyoEventWitness(observe))
@@ -38,9 +38,9 @@ public class XyoPanel {
     public typealias XyoPanelReportCallback = (([String]) -> Void)
 
     private var _archivists: [XyoArchivistApiClient]
-    private var _witnesses: [AbstractWitness]
+    private var _witnesses: [AbstractSyncWitness]
     private var _previous_hash: String?
-
+    
     @available(iOS 15, *)
     public func report() async throws
         -> [Payload]
diff --git a/Sources/XyoClient/Witness/AbstractWitness.swift b/Sources/XyoClient/Witness/AbstractWitness.swift
index bb63185..6712b1e 100644
--- a/Sources/XyoClient/Witness/AbstractWitness.swift
+++ b/Sources/XyoClient/Witness/AbstractWitness.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-open class AbstractWitness: AbstractModule, WitnessSync {
+open class AbstractSyncWitness: AbstractModule, WitnessSync {
     open func observe() -> [Payload] {
         preconditionFailure("This method must be overridden")
     }
@@ -26,3 +26,8 @@ open class AbstractAsyncWitness: AbstractModule, WitnessAsync {
         }
     }
 }
+
+public protocol Witness {}
+
+extension AbstractSyncWitness: Witness {}
+extension AbstractAsyncWitness: Witness {}
diff --git a/Sources/XyoClient/Witness/Basic/BasicWitness.swift b/Sources/XyoClient/Witness/Basic/BasicWitness.swift
index 2fd06c7..ec1acc9 100644
--- a/Sources/XyoClient/Witness/Basic/BasicWitness.swift
+++ b/Sources/XyoClient/Witness/Basic/BasicWitness.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-open class BasicWitness: AbstractWitness {
+open class BasicWitness: AbstractSyncWitness {
 
     public typealias TPayloadOut = Payload
 
diff --git a/Sources/XyoClient/Witness/Event/EventWitness.swift b/Sources/XyoClient/Witness/Event/EventWitness.swift
index dd59e42..5e5e12e 100644
--- a/Sources/XyoClient/Witness/Event/EventWitness.swift
+++ b/Sources/XyoClient/Witness/Event/EventWitness.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-open class XyoEventWitness: AbstractWitness {
+open class XyoEventWitness: AbstractSyncWitness {
 
     public init(_ observer: @escaping ObserverClosure) {
         _observer = observer
diff --git a/Sources/XyoClient/Witness/SystemInfo/SystemInfoWitness.swift b/Sources/XyoClient/Witness/SystemInfo/SystemInfoWitness.swift
index 5814dd0..9053cb7 100644
--- a/Sources/XyoClient/Witness/SystemInfo/SystemInfoWitness.swift
+++ b/Sources/XyoClient/Witness/SystemInfo/SystemInfoWitness.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-open class SystemInfoWitness: AbstractWitness {
+open class SystemInfoWitness: AbstractSyncWitness {
 
     var allowPathMonitor: Bool
 
diff --git a/Sources/XyoClient/Witness/WitnessSync.swift b/Sources/XyoClient/Witness/Witness.swift
similarity index 57%
rename from Sources/XyoClient/Witness/WitnessSync.swift
rename to Sources/XyoClient/Witness/Witness.swift
index 2ca7579..abc0600 100644
--- a/Sources/XyoClient/Witness/WitnessSync.swift
+++ b/Sources/XyoClient/Witness/Witness.swift
@@ -1,15 +1,10 @@
-public protocol WitnessProtocol {}
-
-
-public protocol WitnessSync: WitnessProtocol {
+public protocol WitnessSync {
     func observe() -> [Payload]
 }
 
-public protocol WitnessAsync: WitnessProtocol {
+public protocol WitnessAsync {
     func observe(completion: @escaping ([Payload]?, Error?) -> Void)
 
     @available(iOS 15, *)
     func observe() async throws -> [Payload]
 }
-
-
diff --git a/Tests/XyoClientTests/Panel.swift b/Tests/XyoClientTests/Panel.swift
index fd2b018..b3bb9de 100644
--- a/Tests/XyoClientTests/Panel.swift
+++ b/Tests/XyoClientTests/Panel.swift
@@ -17,7 +17,7 @@ final class PanelTests: XCTestCase {
         let apiDomain = XyoPanel.Defaults.apiDomain
         let archive = XyoPanel.Defaults.apiModule
         let account = Account()
-        let witness = AbstractWitness(account: account)
+        let witness = AbstractSyncWitness(account: account)
         let panel = XyoPanel(archive: archive, apiDomain: apiDomain, witnesses: [witness])
         XCTAssertNotNil(account)
         XCTAssertNotNil(panel)