diff --git a/cnutil/cnutil.go b/cnutil/cnutil.go
index 43110e9..7170d48 100644
--- a/cnutil/cnutil.go
+++ b/cnutil/cnutil.go
@@ -53,5 +53,5 @@ func Hash(blob []byte, fast bool, height int, seedHash string) []byte {
 }
 
 func FastHash(blob []byte) []byte {
-	return Hash(append([]byte{byte(len(blob))}, blob...), true, 0, "")
+	return Hash(blob, true, 0, "")
 }
diff --git a/stratum/miner.go b/stratum/miner.go
index 3f5a36f..0f89475 100644
--- a/stratum/miner.go
+++ b/stratum/miner.go
@@ -204,7 +204,7 @@ func (m *Miner) processShare(s *StratumServer, cs *Session, job *Job, t *BlockTe
 			if len(convertedBlob) == 0 {
 				convertedBlob = cnutil.ConvertBlob(shareBuff)
 			}
-			blockFastHash := hex.EncodeToString(cnutil.FastHash(convertedBlob))
+			blockFastHash := hex.EncodeToString(util.ReverseBytes(cnutil.FastHash(convertedBlob)))
 			now := util.MakeTimestamp()
 			roundShares := atomic.SwapInt64(&s.roundShares, 0)
 			ratio := float64(roundShares) / float64(t.diffInt64)
diff --git a/util/util.go b/util/util.go
index 1f9938b..28ce699 100644
--- a/util/util.go
+++ b/util/util.go
@@ -29,13 +29,13 @@ func GetTargetHex(diff int64) string {
 	diffBuff := new(big.Int).Div(Diff1, big.NewInt(diff)).Bytes()
 	copy(padded[32-len(diffBuff):], diffBuff)
 	buff := padded[0:4]
-	targetHex := hex.EncodeToString(reverse(buff))
+	targetHex := hex.EncodeToString(ReverseBytes(buff))
 	return targetHex
 }
 
 func GetHashDifficulty(hashBytes []byte) (*big.Int, bool) {
 	diff := new(big.Int)
-	diff.SetBytes(reverse(hashBytes))
+	diff.SetBytes(ReverseBytes(hashBytes))
 
 	// Check for broken result, empty string or zero hex value
 	if diff.Cmp(new(big.Int)) == 0 {
@@ -75,7 +75,7 @@ func ValidateAddress(addy string, poolAddy string) bool {
 	return cnutil.ValidateAddress(addy)
 }
 
-func reverse(src []byte) []byte {
+func ReverseBytes(src []byte) []byte {
 	dst := make([]byte, len(src))
 	for i := len(src); i > 0; i-- {
 		dst[len(src)-i] = src[i-1]