diff --git a/encode_test.go b/encode_test.go
index 8f2eebba..977cc64c 100644
--- a/encode_test.go
+++ b/encode_test.go
@@ -56,13 +56,13 @@ func TestKeyEncodings(t *testing.T) {
 	}{
 		{
 			privKey: PrivKeyS{GenPrivKeyEd25519()},
-			keyType: PrivKeyTypeEd25519,
-			keyName: PrivKeyNameEd25519,
+			keyType: TypeEd25519,
+			keyName: NameEd25519,
 		},
 		{
 			privKey: PrivKeyS{GenPrivKeySecp256k1()},
-			keyType: PrivKeyTypeSecp256k1,
-			keyName: PrivKeyNameSecp256k1,
+			keyType: TypeSecp256k1,
+			keyName: NameSecp256k1,
 		},
 	}
 
diff --git a/priv_key.go b/priv_key.go
index 81edfb3f..54fa36a3 100644
--- a/priv_key.go
+++ b/priv_key.go
@@ -19,12 +19,12 @@ type PrivKey interface {
 	Equals(PrivKey) bool
 }
 
-// Types of PrivKey implementations
+// Types of implementations
 const (
-	PrivKeyTypeEd25519   = byte(0x01)
-	PrivKeyTypeSecp256k1 = byte(0x02)
-	PrivKeyNameEd25519   = "ed25519"
-	PrivKeyNameSecp256k1 = "secp256k1"
+	TypeEd25519   = byte(0x01)
+	TypeSecp256k1 = byte(0x02)
+	NameEd25519   = "ed25519"
+	NameSecp256k1 = "secp256k1"
 )
 
 var privKeyMapper data.Mapper
@@ -32,8 +32,8 @@ var privKeyMapper data.Mapper
 // register both private key types with go-data (and thus go-wire)
 func init() {
 	privKeyMapper = data.NewMapper(PrivKeyS{}).
-		RegisterInterface(PrivKeyEd25519{}, PrivKeyNameEd25519, PrivKeyTypeEd25519).
-		RegisterInterface(PrivKeySecp256k1{}, PrivKeyNameSecp256k1, PrivKeyTypeSecp256k1)
+		RegisterInterface(PrivKeyEd25519{}, NameEd25519, TypeEd25519).
+		RegisterInterface(PrivKeySecp256k1{}, NameSecp256k1, TypeSecp256k1)
 }
 
 // PrivKeyS add json serialization to PrivKey
diff --git a/pub_key.go b/pub_key.go
index 77ce74a9..9067a036 100644
--- a/pub_key.go
+++ b/pub_key.go
@@ -21,21 +21,13 @@ type PubKey interface {
 	Equals(PubKey) bool
 }
 
-// Types of PubKey implementations
-const (
-	PubKeyTypeEd25519   = byte(0x01)
-	PubKeyTypeSecp256k1 = byte(0x02)
-	PubKeyNameEd25519   = "ed25519"
-	PubKeyNameSecp256k1 = "secp256k1"
-)
-
 var pubKeyMapper data.Mapper
 
 // register both public key types with go-data (and thus go-wire)
 func init() {
 	pubKeyMapper = data.NewMapper(PubKeyS{}).
-		RegisterInterface(PubKeyEd25519{}, PubKeyNameEd25519, PubKeyTypeEd25519).
-		RegisterInterface(PubKeySecp256k1{}, PubKeyNameSecp256k1, PubKeyTypeSecp256k1)
+		RegisterInterface(PubKeyEd25519{}, NameEd25519, TypeEd25519).
+		RegisterInterface(PubKeySecp256k1{}, NameSecp256k1, TypeSecp256k1)
 }
 
 // PubKeyS add json serialization to PubKey
@@ -76,7 +68,7 @@ func (pubKey PubKeyEd25519) Address() []byte {
 		PanicCrisis(*err)
 	}
 	// append type byte
-	encodedPubkey := append([]byte{PubKeyTypeEd25519}, w.Bytes()...)
+	encodedPubkey := append([]byte{TypeEd25519}, w.Bytes()...)
 	hasher := ripemd160.New()
 	hasher.Write(encodedPubkey) // does not error
 	return hasher.Sum(nil)
@@ -153,7 +145,7 @@ func (pubKey PubKeySecp256k1) Address() []byte {
 		PanicCrisis(*err)
 	}
 	// append type byte
-	encodedPubkey := append([]byte{PubKeyTypeSecp256k1}, w.Bytes()...)
+	encodedPubkey := append([]byte{TypeSecp256k1}, w.Bytes()...)
 	hasher := ripemd160.New()
 	hasher.Write(encodedPubkey) // does not error
 	return hasher.Sum(nil)
diff --git a/signature.go b/signature.go
index 07635887..b5fc36bf 100644
--- a/signature.go
+++ b/signature.go
@@ -17,21 +17,13 @@ type Signature interface {
 	Equals(Signature) bool
 }
 
-// Types of Signature implementations
-const (
-	SignatureTypeEd25519   = byte(0x01)
-	SignatureTypeSecp256k1 = byte(0x02)
-	SignatureNameEd25519   = "ed25519"
-	SignatureNameSecp256k1 = "secp256k1"
-)
-
 var sigMapper data.Mapper
 
 // register both public key types with go-data (and thus go-wire)
 func init() {
 	sigMapper = data.NewMapper(SignatureS{}).
-		RegisterInterface(SignatureEd25519{}, SignatureNameEd25519, SignatureTypeEd25519).
-		RegisterInterface(SignatureSecp256k1{}, SignatureNameSecp256k1, SignatureTypeSecp256k1)
+		RegisterInterface(SignatureEd25519{}, NameEd25519, TypeEd25519).
+		RegisterInterface(SignatureSecp256k1{}, NameSecp256k1, TypeSecp256k1)
 }
 
 // SignatureS add json serialization to Signature
diff --git a/signature_test.go b/signature_test.go
index e0e30b78..f6c8c37b 100644
--- a/signature_test.go
+++ b/signature_test.go
@@ -56,14 +56,14 @@ func TestSignatureEncodings(t *testing.T) {
 		{
 			privKey: PrivKeyS{GenPrivKeyEd25519()},
 			sigSize: ed25519.SignatureSize,
-			sigType: SignatureTypeEd25519,
-			sigName: SignatureNameEd25519,
+			sigType: TypeEd25519,
+			sigName: NameEd25519,
 		},
 		{
 			privKey: PrivKeyS{GenPrivKeySecp256k1()},
 			sigSize: 0, // unknown
-			sigType: SignatureTypeSecp256k1,
-			sigName: SignatureNameSecp256k1,
+			sigType: TypeSecp256k1,
+			sigName: NameSecp256k1,
 		},
 	}