diff --git a/encoding/cid.go b/encoding/cid.go
index a927dc5..20358b4 100644
--- a/encoding/cid.go
+++ b/encoding/cid.go
@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"git.lumeweb.com/LumeWeb/libs5-go/internal/bases"
+	"git.lumeweb.com/LumeWeb/libs5-go/serialize"
 	"git.lumeweb.com/LumeWeb/libs5-go/types"
 	"git.lumeweb.com/LumeWeb/libs5-go/utils"
 	"github.com/vmihailenco/msgpack/v5"
@@ -25,6 +26,7 @@ type CID struct {
 }
 
 var _ json.Marshaler = (*CID)(nil)
+var _ json.Unmarshaler = (*CID)(nil)
 var _ msgpack.CustomEncoder = (*CID)(nil)
 var _ msgpack.CustomDecoder = (*CID)(nil)
 
@@ -201,17 +203,32 @@ func (cid *CID) HashCode() int {
 		int(fullBytes[3])<<24
 }
 
-func (cid CID) MarshalJSON() ([]byte, error) {
-	// Delegate to the MarshalJSON method of the encoder
-	return json.Marshal(cid.Multibase)
+func (b CID) MarshalJSON() ([]byte, error) {
+	url, err := b.ToBase64Url()
+	if err != nil {
+		return nil, err
+	}
+
+	return json.Marshal(url)
 }
 
 func (cid *CID) UnmarshalJSON(data []byte) error {
-	if err := json.Unmarshal(data, &cid.Multibase); err != nil {
+	decData, err := serialize.UnmarshalBase64UrlJSON(data)
+
+	if err != nil {
 		return err
 	}
+
+	decodedCid, err := CIDFromBytes(decData)
+
+	if err != nil {
+		return err
+	}
+
+	*cid = *decodedCid
 	return nil
 }
+
 func (cid CID) EncodeMsgpack(enc *msgpack.Encoder) error {
 	return enc.EncodeBytes(cid.ToBytes())
 }
diff --git a/encoding/encrypted_cid.go b/encoding/encrypted_cid.go
index 27725b5..0d990f3 100644
--- a/encoding/encrypted_cid.go
+++ b/encoding/encrypted_cid.go
@@ -1,7 +1,9 @@
 package encoding
 
 import (
+	"encoding/json"
 	"errors"
+	"git.lumeweb.com/LumeWeb/libs5-go/serialize"
 	"git.lumeweb.com/LumeWeb/libs5-go/types"
 	"git.lumeweb.com/LumeWeb/libs5-go/utils"
 	"github.com/vmihailenco/msgpack/v5"
@@ -19,6 +21,8 @@ type EncryptedCID struct {
 
 var _ msgpack.CustomEncoder = (*EncryptedCID)(nil)
 var _ msgpack.CustomDecoder = (*EncryptedCID)(nil)
+var _ json.Marshaler = (*EncryptedCID)(nil)
+var _ json.Unmarshaler = (*EncryptedCID)(nil)
 
 func NewEncryptedCID(encryptedBlobHash Multihash, originalCID CID, encryptionKey []byte, padding uint32, chunkSizeAsPowerOf2 int, encryptionAlgorithm byte) *EncryptedCID {
 	e := &EncryptedCID{
@@ -79,10 +83,36 @@ func (c *EncryptedCID) ToBytes() []byte {
 	data = append(data, c.OriginalCID.ToBytes()...)
 	return data
 }
-func (cid EncryptedCID) EncodeMsgpack(enc *msgpack.Encoder) error {
-	return enc.EncodeBytes(cid.ToBytes())
+func (c EncryptedCID) EncodeMsgpack(enc *msgpack.Encoder) error {
+	return enc.EncodeBytes(c.ToBytes())
 }
 
-func (cid *EncryptedCID) DecodeMsgpack(dec *msgpack.Decoder) error {
-	return decodeMsgpackCID(cid, dec)
+func (c *EncryptedCID) DecodeMsgpack(dec *msgpack.Decoder) error {
+	return decodeMsgpackCID(c, dec)
+}
+func (c EncryptedCID) MarshalJSON() ([]byte, error) {
+	str, err := c.ToString()
+
+	if err != nil {
+		return nil, err
+	}
+	// Delegate to the MarshalJSON method of the encoder
+	return json.Marshal(str)
+}
+
+func (c *EncryptedCID) UnmarshalJSON(data []byte) error {
+	decData, err := serialize.UnmarshalBase64UrlJSON(data)
+
+	if err != nil {
+		return err
+	}
+
+	decodedCid, err := EncryptedCIDFromBytes(decData)
+
+	if err != nil {
+		return err
+	}
+
+	*c = *decodedCid
+	return nil
 }
diff --git a/encoding/multibase.go b/encoding/multibase.go
index e868447..f0a11cd 100644
--- a/encoding/multibase.go
+++ b/encoding/multibase.go
@@ -1,11 +1,9 @@
 package encoding
 
 import (
-	"encoding/json"
 	"errors"
 	"git.lumeweb.com/LumeWeb/libs5-go/internal/bases"
 	"github.com/multiformats/go-multibase"
-	"github.com/vmihailenco/msgpack/v5"
 )
 
 var (
@@ -22,8 +20,6 @@ type multibaseImpl struct {
 	encoder Encoder
 }
 
-var _ json.Marshaler = (*multibaseImpl)(nil)
-
 type Multibase interface {
 	ToHex() (string, error)
 	ToBase32() (string, error)
@@ -33,7 +29,6 @@ type Multibase interface {
 }
 
 var _ Multibase = (*multibaseImpl)(nil)
-var _ msgpack.CustomEncoder = (*multibaseImpl)(nil)
 
 func NewMultibase(encoder Encoder) Multibase {
 	return &multibaseImpl{encoder: encoder}
@@ -75,16 +70,3 @@ func (m *multibaseImpl) ToBase58() (string, error) {
 func (m *multibaseImpl) ToString() (string, error) {
 	return m.ToBase58()
 }
-func (b multibaseImpl) MarshalJSON() ([]byte, error) {
-	url, err := b.ToBase64Url()
-	if err != nil {
-		return nil, err
-	}
-
-	return []byte(url), nil
-
-}
-
-func (b multibaseImpl) EncodeMsgpack(enc *msgpack.Encoder) error {
-	return enc.EncodeBytes(b.encoder.ToBytes())
-}