Rename ConfirmProof function to Validate

main.go

@@ -16,7 +16,7 @@ func main() {
 		fmt.Printf("Data: %s\n", block.Data)
 		fmt.Printf("Hash: %x\n", block.Hash)
 		pow := NewProofOfWork(block)
-		fmt.Printf("PoF: %s\n", strconv.FormatBool(pow.ConfirmProof()))
+		fmt.Printf("PoW: %s\n", strconv.FormatBool(pow.Validate()))
 		fmt.Println()
 	}
 }

proofofwork.go

@@ -70,15 +70,15 @@ func (pow *ProofOfWork) Run() (int, []byte) {
 	return nonce, hash[:]
 }
 
-// ConfirmProof confirms that the proof is correct
-func (pow *ProofOfWork) ConfirmProof() bool {
+// Validate validates block's PoW
+func (pow *ProofOfWork) Validate() bool {
 	var hashInt big.Int
 
 	data := pow.prepareData(pow.block.Nonce)
 	hash := sha256.Sum256(data)
 	hashInt.SetBytes(hash[:])
 
-	confirmation := hashInt.Cmp(pow.target) == -1
+	isValid := hashInt.Cmp(pow.target) == -1
 
-	return confirmation
+	return isValid
 }