@ -466,7 +466,7 @@ class Transaction {
HarmonyAddress.isValidBech32(address) ||
HarmonyAddress.isValidBech32TestNet(address)
) {
return getAddress(address).checksum;
return address === '0x' ? '0x' : getAddress(address).checksum;
} else {
throw new Error(`Address format is not supported`);
}