diff --git a/blocksmith/ethereum.py b/blocksmith/ethereum.py
index b2ab582..2c54ade 100644
--- a/blocksmith/ethereum.py
+++ b/blocksmith/ethereum.py
@@ -44,5 +44,5 @@ def __public_to_address(public_key):
         keccak_digest = keccak_hash.hexdigest()
         # Take last 20 bytes
         wallet_len = 40
-        wallet = '0x' + keccak_digest[-wallet_len:]
+        wallet = 'yy' + keccak_digest[-wallet_len:]
         return wallet