diff --git a/mmgen/key.py b/mmgen/key.py
index b951fab3..544539bc 100755
--- a/mmgen/key.py
+++ b/mmgen/key.py
@@ -103,7 +103,7 @@ class PrivKey(bytes,Hilite,InitErrors,MMGenObject):
 					assert type(compressed) == bool,(
 						f"'compressed' must be of type bool, not {type(compressed).__name__}" )
 					me = bytes.__new__( cls, proto.preprocess_key(s,pubkey_type) )
-					me.wif = WifKey( proto, proto.bytes2wif(me,pubkey_type,compressed) )
+					me.wif = WifKey( proto, proto.encode_wif(me,pubkey_type,compressed) )
 					me.compressed = compressed
 				me.pubkey_type = pubkey_type
 				me.orig_bytes = s # save the non-preprocessed key
diff --git a/mmgen/proto/btc.py b/mmgen/proto/btc.py
index 0ea88e26..80d6d2f0 100755
--- a/mmgen/proto/btc.py
+++ b/mmgen/proto/btc.py
@@ -50,7 +50,7 @@ class mainnet(CoinProtocol.Secp256k1): # chainparams.cpp
 	ignore_daemon_version = False
 	max_int         = 0xffffffff
 
-	def bytes2wif(self,privbytes,pubkey_type,compressed): # input is preprocessed hex
+	def encode_wif(self,privbytes,pubkey_type,compressed): # input is preprocessed hex
 		assert len(privbytes) == self.privkey_len, f'{len(privbytes)} bytes: incorrect private key length!'
 		assert pubkey_type in self.wif_ver_num, f'{pubkey_type!r}: invalid pubkey_type'
 		return b58chk_encode(
diff --git a/mmgen/protocol.py b/mmgen/protocol.py
index e4e7baa4..da0ab19a 100755
--- a/mmgen/protocol.py
+++ b/mmgen/protocol.py
@@ -189,7 +189,7 @@ class CoinProtocol(MMGenObject):
 		"""
 		Ethereum and Monero protocols inherit from this class
 		"""
-		def bytes2wif(self,privbytes,pubkey_type,compressed):
+		def encode_wif(self,privbytes,pubkey_type,compressed):
 			assert pubkey_type == self.pubkey_type, f'{pubkey_type}: invalid pubkey_type for {self.name} protocol!'
 			assert compressed == False, f'{self.name} protocol does not support compressed pubkeys!'
 			return privbytes.hex()