diff --git a/TUTORIAL.md b/TUTORIAL.md
index 43acf06..8f6d79e 100644
--- a/TUTORIAL.md
+++ b/TUTORIAL.md
@@ -307,7 +307,7 @@ The list displays every DID instance along it's local alias for simpler usage.
 
 ```txt
 Name              DID
-sample-account    did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
+sample-account    did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
 ```
 
 ### 4.3 Inspect your local DID document
@@ -336,17 +336,17 @@ document.
       "https://w3id.org/security/suites/ed25519-2020/v1",
       "https://w3id.org/security/suites/x25519-2020/v1"
     ],
-    "id": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
+    "id": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
     "verificationMethod": [
       {
-        "id": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master",
+        "id": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master",
         "type": "Ed25519VerificationKey2020",
-        "controller": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
+        "controller": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
         "publicKeyMultibase": "z9Ry8aFPMLKapvtYkNNSFsoNhkc4192j4ai17EzMquAZc"
       }
     ],
     "authentication": [
-      "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master"
+      "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master"
     ]
   }
 }
@@ -422,7 +422,7 @@ the following.
 ```shell
 2024-04-30T17:42:54-04:00 INF submitting request to the network
 2024-04-30T17:42:54-04:00 INF publishing: sample-account
-2024-04-30T17:42:54-04:00 INF publishing DID document did=did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
+2024-04-30T17:42:54-04:00 INF publishing DID document did=did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
 2024-04-30T17:43:10-04:00 INF DID instance published
 ```
 
@@ -448,10 +448,10 @@ algoid retrieve [existing DID]
 For example, to resolve the DID created as part of this tutorial.
 
 ```shell
-algoid resolve did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
+algoid resolve did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
 
 2024-04-30T17:43:41-04:00 INF retrieving record
-2024-04-30T17:43:41-04:00 INF retrieving DID document did=did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
+2024-04-30T17:43:41-04:00 INF retrieving DID document did=did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007
 2024-04-30T17:43:43-04:00 WRN skipping validation
 {
   "@context": [
@@ -459,17 +459,17 @@ algoid resolve did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b81
     "https://w3id.org/security/suites/ed25519-2020/v1",
     "https://w3id.org/security/suites/x25519-2020/v1"
   ],
-  "id": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
+  "id": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
   "verificationMethod": [
     {
-      "id": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master",
+      "id": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master",
       "type": "Ed25519VerificationKey2020",
-      "controller": "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
+      "controller": "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007",
       "publicKeyMultibase": "z9Ry8aFPMLKapvtYkNNSFsoNhkc4192j4ai17EzMquAZc"
     }
   ],
   "authentication": [
-    "did:algo:testnet:box:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master"
+    "did:algo:testnet:app:654583141:7d42e6e0f3c71d777de36849cf96e28b812453198cee2d2cc2b7b19438060007#master"
   ]
 }
 ```
diff --git a/client/cli/cmd/register.go b/client/cli/cmd/register.go
index 4140f04..aea545b 100644
--- a/client/cli/cmd/register.go
+++ b/client/cli/cmd/register.go
@@ -76,7 +76,7 @@ func runRegisterCmd(_ *cobra.Command, args []string) error {
 	}
 
 	// Generate base identifier instance
-	subject := fmt.Sprintf("%s:box:%d:%x", network, appID, account.PublicKey)
+	subject := fmt.Sprintf("%s:app:%d:%x", network, appID, account.PublicKey)
 	method := "algo"
 	log.WithFields(xlog.Fields{
 		"subject": subject,
diff --git a/client/internal/main.go b/client/internal/main.go
index 627554c..1a4b3f7 100644
--- a/client/internal/main.go
+++ b/client/internal/main.go
@@ -245,7 +245,7 @@ func parseSubjectString(subject string) (pub []byte, network string, appID uint6
 	}
 
 	namespace := idSegments[1]
-	if namespace != "box" {
+	if namespace != "app" {
 		err = fmt.Errorf("invalid namespace in subject identifier: %s", namespace)
 		return pub, network, appID, err
 	}
diff --git a/client/ui/api_test.go b/client/ui/api_test.go
index 6be6218..c4394c1 100644
--- a/client/ui/api_test.go
+++ b/client/ui/api_test.go
@@ -202,7 +202,7 @@ func TestListAfterRegister(t *testing.T) {
 	body, err := io.ReadAll(res.Body)
 	require.NoError(t, err)
 
-	require.Regexp(t, `{"name":"TestListAfterRegister","did":"did:algo:custom:box:`, string(body))
+	require.Regexp(t, `{"name":"TestListAfterRegister","did":"did:algo:custom:app:`, string(body))
 }
 
 func TestUpdate(t *testing.T) {
diff --git a/client/ui/provider.go b/client/ui/provider.go
index 8f34061..79eef3f 100644
--- a/client/ui/provider.go
+++ b/client/ui/provider.go
@@ -91,7 +91,7 @@ func (p *Provider) Register(network string, name string, passphrase string) erro
 	}
 
 	// Generate base identifier instance
-	subject := fmt.Sprintf("%s:box:%d:%x", network, p.client.Networks[network].StorageAppID(), account.PublicKey)
+	subject := fmt.Sprintf("%s:app:%d:%x", network, p.client.Networks[network].StorageAppID(), account.PublicKey)
 	method := "algo"
 	p.log.WithFields(xlog.Fields{
 		"subject": subject,