diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+# Version 0.4
+
+- Deriving `Eq`, `Ord` and `Show` for the most of types
+
 # Version 0.3
 
 - Support of `secp256k1-haskell-0.5`
diff --git a/signable.cabal b/signable.cabal
--- a/signable.cabal
+++ b/signable.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: d2dec01d6000877a395f9d10ab73143cd8321afc169632f2e8756c037b851444
+-- hash: 1b1f1fca72125a793348ae6d27414f7669c96f68321927e0ea6ac69784bbce6e
 
 name:           signable
-version:        0.3
+version:        0.4
 synopsis:       Deterministic serialisation and signatures with proto-lens support
 description:    You can find documentation at <https://hackage.haskell.org/package/signable/docs/Data-Signable.html hackage>
 category:       Data, Cryptography
diff --git a/src/Data/Signable/Class.hs b/src/Data/Signable/Class.hs
--- a/src/Data/Signable/Class.hs
+++ b/src/Data/Signable/Class.hs
@@ -54,7 +54,7 @@
 import Prelude (show)
 
 data Alg = AlgSecp256k1
-  deriving (Show)
+  deriving (Eq, Ord, Show)
 
 data SignableError
   = InvalidPem
@@ -65,25 +65,31 @@
   | TooManyAsn1Chunks
   | InvalidPubKeyDer
   | InvalidPrvKeyRaw
-  deriving (Show)
+  deriving (Eq, Ord, Show)
 
 data ECPointFormat
   = ECPointCompressed
   | ECPointUncompressed
+  deriving (Eq, Ord, Show)
+
+newtype PubKey
+  = PubKeySecp256k1 C.PubKey
   deriving (Eq, Show)
 
-newtype PubKey = PubKeySecp256k1 C.PubKey
+newtype PrvKey
+  = PrvKeySecp256k1 C.SecKey
+  deriving (Eq)
 
-newtype PrvKey = PrvKeySecp256k1 C.SecKey
+instance Show PrvKey where
+  show = const "SECRET"
 
-newtype Sha256 = Sha256 ByteString
+newtype Sha256
+  = Sha256 ByteString
+  deriving (Eq, Ord, Show)
 
 newtype Sig
   = SigSecp256k1 C.Sig
-  deriving newtype (Eq)
-
-instance Show Sig where
-  show = const "SECRET"
+  deriving (Eq, Show)
 
 pubKey2Alg :: PubKey -> Alg
 pubKey2Alg (PubKeySecp256k1 _) = AlgSecp256k1