diff --git a/crypt/openpgp/service.go b/crypt/openpgp/service.go
index 73cf0e8..7e15099 100644
--- a/crypt/openpgp/service.go
+++ b/crypt/openpgp/service.go
@@ -6,15 +6,18 @@ import (
 	goio "io"
 	"strings"
 
+	core "forge.lthn.ai/core/go-log"
+
+	framework "dappco.re/go/core"
 	"github.com/ProtonMail/go-crypto/openpgp"
 	"github.com/ProtonMail/go-crypto/openpgp/armor"
 	"github.com/ProtonMail/go-crypto/openpgp/packet"
 
 	coreerr "forge.lthn.ai/core/go-log"
-	framework "forge.lthn.ai/core/go/pkg/core"
+	framework "dappco.re/go/core"
 )
 
-// Service implements the framework.Crypt interface using OpenPGP.
+// Service provides OpenPGP cryptographic operations.
 type Service struct {
 	core *framework.Core
 }
@@ -59,19 +62,20 @@ func (s *Service) CreateKeyPair(name, passphrase string) (string, error) {
 		return "", coreerr.E("openpgp.CreateKeyPair", "failed to create armor encoder", err)
 	}
 
-	// Manual serialization to avoid panic from re-signing encrypted keys
-	err = s.serializeEntity(w, entity)
+	// Manual serialisation to avoid panic from re-signing encrypted keys
+	err = serializeEntity(w, entity)
 	if err != nil {
 		w.Close()
-		return "", coreerr.E("openpgp.CreateKeyPair", "failed to serialize private key", err)
+<<<<<<< HEAD
+		return "", coreerr.E("openpgp.CreateKeyPair", "failed to serialise private key", err)
 	}
 	w.Close()
 
 	return buf.String(), nil
 }
 
-// serializeEntity manually serializes an OpenPGP entity to avoid re-signing.
-func (s *Service) serializeEntity(w goio.Writer, e *openpgp.Entity) error {
+// serializeEntity manually serialises an OpenPGP entity to avoid re-signing.
+func serializeEntity(w goio.Writer, e *openpgp.Entity) error {
 	err := e.PrivateKey.Serialize(w)
 	if err != nil {
 		return err
@@ -188,6 +192,3 @@ func (s *Service) HandleIPCEvents(c *framework.Core, msg framework.Message) erro
 	}
 	return nil
 }
-
-// Ensure Service implements framework.Crypt.
-var _ framework.Crypt = (*Service)(nil)
diff --git a/crypt/openpgp/service_test.go b/crypt/openpgp/service_test.go
index 233cfd1..17d8a55 100644
--- a/crypt/openpgp/service_test.go
+++ b/crypt/openpgp/service_test.go
@@ -4,40 +4,40 @@ import (
 	"bytes"
 	"testing"
 
-	framework "forge.lthn.ai/core/go/pkg/core"
+	framework "dappco.re/go/core"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestCreateKeyPair(t *testing.T) {
-	c, _ := framework.New()
+	c := framework.New()
 	s := &Service{core: c}
 
 	privKey, err := s.CreateKeyPair("test user", "password123")
-	assert.NoError(t, err)
-	assert.NotEmpty(t, privKey)
+	require.NoError(t, err)
+	require.NotEmpty(t, privKey)
 	assert.Contains(t, privKey, "-----BEGIN PGP PRIVATE KEY BLOCK-----")
 }
 
 func TestEncryptDecrypt(t *testing.T) {
-	c, _ := framework.New()
+	c := framework.New()
 	s := &Service{core: c}
 
 	passphrase := "secret"
 	privKey, err := s.CreateKeyPair("test user", passphrase)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 
-	// In this simple test, the public key is also in the armored private key string
-	// (openpgp.ReadArmoredKeyRing reads both)
+	// ReadArmoredKeyRing extracts public keys from armored private key blocks
 	publicKey := privKey
 
 	data := "hello openpgp"
 	var buf bytes.Buffer
 	armored, err := s.EncryptPGP(&buf, publicKey, data)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 	assert.NotEmpty(t, armored)
 	assert.NotEmpty(t, buf.String())
 
 	decrypted, err := s.DecryptPGP(privKey, armored, passphrase)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, data, decrypted)
 }
diff --git a/go.mod b/go.mod
index 964f1da..4b81cf5 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,8 @@ module forge.lthn.ai/core/go-crypt
 go 1.26.0
 
 require (
+	dappco.re/go/core v0.4.7
 	forge.lthn.ai/core/cli v0.3.7
-	forge.lthn.ai/core/go v0.3.3
 	forge.lthn.ai/core/go-i18n v0.1.7
 	forge.lthn.ai/core/go-io v0.1.7
 	forge.lthn.ai/core/go-log v0.0.4
@@ -15,6 +15,7 @@ require (
 )
 
 require (
+	forge.lthn.ai/core/go v0.3.3 // indirect
 	forge.lthn.ai/core/go-inference v0.1.7 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/charmbracelet/bubbletea v1.3.10 // indirect
diff --git a/go.sum b/go.sum
index 845ce1a..343a2eb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+dappco.re/go/core v0.4.7 h1:KmIA/2lo6rl1NMtLrKqCWfMlUqpDZYH3q0/d10dTtGA=
+dappco.re/go/core v0.4.7/go.mod h1:f2/tBZ3+3IqDrg2F5F598llv0nmb/4gJVCFzM5geE4A=
 forge.lthn.ai/core/cli v0.3.7 h1:1GrbaGg0wDGHr6+klSbbGyN/9sSbHvFbdySJznymhwg=
 forge.lthn.ai/core/cli v0.3.7/go.mod h1:DBUppJkA9P45ZFGgI2B8VXw1rAZxamHoI/KG7fRvTNs=
 forge.lthn.ai/core/go v0.3.3 h1:kYYZ2nRYy0/Be3cyuLJspRjLqTMxpckVyhb/7Sw2gd0=