diff --git a/go.mod b/go.mod
index 221ddfc3f..2ac954a28 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,6 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/hyperledger-labs/SmartBFT v0.0.0-20240916013553-852e5be5889b
-	github.com/hyperledger/fabric-config v0.3.0
 	github.com/hyperledger/fabric-lib-go v1.1.3-0.20240523144151-25edd1eaf5f5
 	github.com/hyperledger/fabric-protos-go-apiv2 v0.3.7
 	github.com/miekg/pkcs11 v1.1.1 // indirect
diff --git a/tools/cryptogen/config_block.go b/tools/cryptogen/config_block.go
index 0d97ad8f6..6a9313fc3 100644
--- a/tools/cryptogen/config_block.go
+++ b/tools/cryptogen/config_block.go
@@ -28,6 +28,7 @@ type ConfigBlockParameters struct {
 	ChannelID     string
 	ArmaPath      string
 	Organizations []OrganizationParameters
+	Namespaces    []string
 }
 
 // OrganizationParameters represents the properties of an organization.
@@ -132,7 +133,21 @@ func CreateDefaultConfigBlockWithCrypto(conf ConfigBlockParameters) (*common.Blo
 	}
 
 	// We generate a fake organization for the meta namespace.
-	metaSpec := OrgSpec{Name: metaNamespaceOrg, Domain: metaNamespaceOrg}
+	// The admin user will be used as the meta-namespace key.
+	// We create a user for each namespace to be used as its key.
+	metaSpec := OrgSpec{
+		Name:   metaNamespaceOrg,
+		Domain: metaNamespaceOrg,
+		Users: UsersSpec{
+			Specs: make([]UserSpec, len(conf.Namespaces)),
+		},
+	}
+	for i, ns := range conf.Namespaces {
+		metaSpec.Users.Specs[i] = UserSpec{
+			Name: ns,
+		}
+	}
+
 	cryptoConf.GenericOrgs = append(cryptoConf.GenericOrgs, metaSpec)
 	profile.Application.MetaNamespaceVerificationKeyPath = path.Join(
 		GenericOrganizationsDir, metaNamespaceOrg, MSPDir, AdminCertsDir,
diff --git a/tools/cryptogen/config_block_test.go b/tools/cryptogen/config_block_test.go
index 108d251ce..8cf5748ea 100644
--- a/tools/cryptogen/config_block_test.go
+++ b/tools/cryptogen/config_block_test.go
@@ -35,6 +35,7 @@ func TestMakeConfig(t *testing.T) {
 	block, err := CreateDefaultConfigBlockWithCrypto(ConfigBlockParameters{
 		TargetPath: target,
 		ChannelID:  chanName,
+		Namespaces: []string{"ns-1", "ns-2"},
 		Organizations: []OrganizationParameters{
 			{ // Joint org with two ordering parties.
 				Name:   "org-1",
@@ -99,7 +100,12 @@ func TestMakeConfig(t *testing.T) {
 
 	t.Log(test.GetTree(t, target))
 
-	var expectedDirs []string //nolint:prealloc // Hard to estimate size.
+	expectedDirs := []string{
+		filepath.Join(GenericOrganizationsDir, "meta-namespace", "msp"),
+		filepath.Join(GenericOrganizationsDir, "meta-namespace", "users", "Admin@meta-namespace"),
+		filepath.Join(GenericOrganizationsDir, "meta-namespace", "users", "ns-1@meta-namespace"),
+		filepath.Join(GenericOrganizationsDir, "meta-namespace", "users", "ns-2@meta-namespace"),
+	}
 
 	org1Dir := filepath.Join(GenericOrganizationsDir, "org-1")
 	org2Dir := filepath.Join(OrdererOrganizationsDir, "org-2")