diff --git a/CircleModularWalletsCore/Resources/Info.plist b/CircleModularWalletsCore/Resources/Info.plist
index 9a9591a..4f49406 100644
--- a/CircleModularWalletsCore/Resources/Info.plist
+++ b/CircleModularWalletsCore/Resources/Info.plist
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.5</string>
+	<string>1.0.6</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleName</key>
diff --git a/CircleModularWalletsCore/Sources/Helpers/Extensions/Bundle+Extension.swift b/CircleModularWalletsCore/Sources/Helpers/Extensions/Bundle+Extension.swift
index 3e04fa0..9522c00 100644
--- a/CircleModularWalletsCore/Sources/Helpers/Extensions/Bundle+Extension.swift
+++ b/CircleModularWalletsCore/Sources/Helpers/Extensions/Bundle+Extension.swift
@@ -21,7 +21,7 @@ import Foundation
 #if SWIFT_PACKAGE
 extension Bundle {
     public enum SDK {
-        public static let version = "1.0.5"
+        public static let version = "1.0.6"
     }
 }
 #else
diff --git a/CircleModularWalletsCore/Sources/Helpers/WebAuthn/WebAuthnHandler.swift b/CircleModularWalletsCore/Sources/Helpers/WebAuthn/WebAuthnHandler.swift
index 6d423a3..cf383ac 100644
--- a/CircleModularWalletsCore/Sources/Helpers/WebAuthn/WebAuthnHandler.swift
+++ b/CircleModularWalletsCore/Sources/Helpers/WebAuthn/WebAuthnHandler.swift
@@ -120,11 +120,22 @@ extension WebAuthnHandler: ASAuthorizationControllerDelegate {
             // The attestationObject contains the user's new public key to store and use for subsequent sign-ins.
             let attestationObjectData = asCredentialRegistration.rawAttestationObject
             let clientDataJSON = asCredentialRegistration.rawClientDataJSON
+            var attachment: AuthenticatorAttachment = .platform
+            if #available(iOS 16.6, *) {
+                switch asCredentialRegistration.attachment {
+                case .platform:
+                    attachment = .platform
+                case .crossPlatform:
+                    attachment = .crossPlatform
+                @unknown default:
+                    attachment = .platform
+                }
+            }
 
             let credential = RegistrationCredential(
                 id: asCredentialRegistration.credentialID.base64URLEncodedString().asString(),
                 type: CredentialType.publicKey,
-                authenticatorAttachment: .platform,
+                authenticatorAttachment: attachment,
                 rawID: asCredentialRegistration.credentialID.base64URLEncodedString(),
                 response: AuthenticatorAttestationResponse(
                     rawClientDataJSON: clientDataJSON.bytes,
@@ -144,11 +155,22 @@ extension WebAuthnHandler: ASAuthorizationControllerDelegate {
             let signature = asCredentialAssertion.signature
             let clientDataJSON = asCredentialAssertion.rawClientDataJSON
             let authenticatorData = asCredentialAssertion.rawAuthenticatorData
+            var attachment: AuthenticatorAttachment = .platform
+            if #available(iOS 16.6, *) {
+                switch asCredentialAssertion.attachment {
+                case .platform:
+                    attachment = .platform
+                case .crossPlatform:
+                    attachment = .crossPlatform
+                @unknown default:
+                    attachment = .platform
+                }
+            }
 
             let credential = AuthenticationCredential(
                 id: asCredentialAssertion.credentialID.base64URLEncodedString().asString(),
                 type: CredentialType.publicKey,
-                authenticatorAttachment: .platform,
+                authenticatorAttachment: attachment,
                 rawID: asCredentialAssertion.credentialID.base64URLEncodedString(),
                 response: AuthenticatorAssertionResponse(
                     clientDataJSON: clientDataJSON.bytes.base64URLEncodedString(),
diff --git a/CircleModularWalletsCore/Sources/Models/Token.swift b/CircleModularWalletsCore/Sources/Models/Token.swift
index 3e28650..0791925 100644
--- a/CircleModularWalletsCore/Sources/Models/Token.swift
+++ b/CircleModularWalletsCore/Sources/Models/Token.swift
@@ -45,7 +45,7 @@ public enum MainnetToken: String {
     }
     
     public var name: String {
-        return "\(Mainnet.chainId)_\(self.rawValue)"
+        return "Mainnet_\(self.rawValue)"
     }
 }
 
@@ -75,7 +75,7 @@ public enum PolygonToken: String {
     }
     
     public var name: String {
-        return "\(Polygon.chainId)_\(self.rawValue)"
+        return "Polygon_\(self.rawValue)"
     }
 }
 
@@ -106,7 +106,7 @@ public enum ArbitrumToken: String {
     }
     
     public var name: String {
-        return "\(Arbitrum.chainId)_\(self.rawValue)"
+        return "Arbitrum_\(self.rawValue)"
     }
 }
 
@@ -118,7 +118,7 @@ public enum SepoliaToken: String {
     }
     
     public var name: String {
-        return "\(Sepolia.chainId)_\(self.rawValue)"
+        return "Sepolia_\(self.rawValue)"
     }
 }
 
@@ -130,7 +130,7 @@ public enum PolygonAmoyToken: String {
     }
     
     public var name: String {
-        return "\(PolygonAmoy.chainId)_\(self.rawValue)"
+        return "PolygonAmoy_\(self.rawValue)"
     }
 }
 
@@ -142,6 +142,6 @@ public enum ArbitrumSepoliaToken: String {
     }
     
     public var name: String {
-        return "\(ArbitrumSepolia.chainId)_\(self.rawValue)"
+        return "ArbitrumSepolia_\(self.rawValue)"
     }
 }
diff --git a/CircleModularWalletsCore/Sources/Transports/Http/HttpTransport.swift b/CircleModularWalletsCore/Sources/Transports/Http/HttpTransport.swift
index 49cfaa2..f5bb677 100644
--- a/CircleModularWalletsCore/Sources/Transports/Http/HttpTransport.swift
+++ b/CircleModularWalletsCore/Sources/Transports/Http/HttpTransport.swift
@@ -58,8 +58,9 @@ public class HttpTransport: Transport {
 extension HttpTransport {
 
     func send<T: Decodable>(_ urlRequest: URLRequest) async throws -> T {
+        var data: Data = .init(), response: URLResponse?
         do {
-            let (data, response) = try await session.data(for: urlRequest)
+            (data, response) = try await session.data(for: urlRequest)
             try processResponse(data: data, response: response)
 
             if let errorResult = try? decodeData(data: data) as JsonRpcErrorResult {
@@ -72,6 +73,8 @@ extension HttpTransport {
                 return try decodeData(data: data) as T
             }
 
+        } catch let error as BaseError {
+            throw error
         } catch let error as HttpError {
             var _details: String?
             var _cause: Error?
@@ -85,7 +88,12 @@ extension HttpTransport {
                 _details = "Decoding Failed."
                 _cause = error
             case .unknownError(let statusCode):
-                _details = "Request failed: \(statusCode)"
+                if let errorResult = try? decodeData(data: data) as JsonRpcErrorResult {
+                    _details = errorResult.error.message
+                } else {
+                    let message = String(data: data, encoding: .utf8) ?? ""
+                    _details = "Request failed: \(message)"
+                }
                 _statusCode = statusCode
             default:
                 _details = String(describing: error)