diff --git a/nyancat/v0.16/verify.go b/nyancat/v0.16/verify.go
new file mode 100644
index 00000000..cb5fefd5
--- /dev/null
+++ b/nyancat/v0.16/verify.go
@@ -0,0 +1,299 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"sort"
+	"strconv"
+)
+
+const (
+	task1URL = "https://lcd.nyancat.irisnet.org/txs?action=add_liquidity"
+	task2URL = "https://lcd.nyancat.irisnet.org/txs?action=remove_liquidity"
+	task3URL = "https://lcd.nyancat.irisnet.org/txs?action=swap_order"
+	task4URL = "https://lcd.nyancat.irisnet.org/txs?action=swap_order"
+	task3TP1 = "btc-iris" //task3的token-pairs对
+	task3TP2 = "iris-btc"
+	task4TP1 = "eth-btc" //task4的token-pairs对
+	task4TP2 = "btc-eth"
+)
+
+
+
+type validator struct {				//用来将validator的pgp和ownkey进行匹配
+	moniker string
+	ownKey  string
+	pgp     string
+}
+
+type taskDetail struct {			//每次任务查询后返回的原始结果
+	moniker   string
+	pgpID 	  string
+	hash      string
+	sender    string
+	height    string
+	timestamp string
+}
+
+type taskDetails []taskDetail						//实现sort接口，利用原生golang sort库
+func (td taskDetails) Len() int {return len(td)}
+func (td taskDetails) Swap(i,j int){td[i],td[j] = td[j],td[i]}
+func (td taskDetails) Less(i,j int)bool{
+	return td[i].timestamp < td[j].timestamp
+}
+
+type taskStat struct {			//某个验证人四个任务是否完成
+	task1 bool
+	task2 bool
+	task3 bool
+	task4 bool
+}
+
+var validatorSet = make(map[string]validator)			//验证人集合
+var taskTotal = make(map[string]taskStat)				//总的任务汇总
+var notValidatorSender = make(map[string]taskStat)		//记录一些交易的发送者在验证人列表中找不到的信息
+var repeatTxMap = make(map[string][]taskDetail)			//记录一些相同任务重复做的交易
+
+//根据验证人的operationAddress从浏览器上面查找相应的ownerKey数据
+func getOwnerKey(fva string) string {
+	data, err := fetch("https://nyancat.irisplorer.io/api/stake/validators/" + fva)
+	if err != nil {
+		panic(err)
+	}
+	m := make(map[string]interface{})
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		panic(err)
+	}
+	ownerKey := m["owner_addr"].(string)
+	return ownerKey
+}
+
+//初始化是将验证人信息保存到本地的validatorSet集合
+func init() {
+	data, err := fetch("https://lcd.nyancat.irisnet.org/stake/validators")
+	if err != nil {
+		panic(err)
+	}
+	m := []interface{}{}
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		panic(err)
+	}
+	for _, v := range m {
+		vali := validator{}
+		validatorAddress := fmt.Sprint(v.(map[string]interface{})["operator_address"])
+		moniker := fmt.Sprint(v.(map[string]interface{})["description"].(map[string]interface{})["moniker"])
+		pgp := fmt.Sprint(v.(map[string]interface{})["description"].(map[string]interface{})["identity"])
+		ownerAddress := getOwnerKey(validatorAddress)
+		if _, ok := validatorSet[ownerAddress]; ok {
+			fmt.Printf("%s 对应多个validator，请管理员检查\n", ownerAddress)
+		} else {
+			vali.moniker = moniker
+			vali.pgp = pgp
+			vali.ownKey = ownerAddress
+			validatorSet[ownerAddress] = vali
+		}
+	}
+}
+
+//task1 task2的任务检查，输入url，返回为各个交易所需要的一些信息。
+func verifyTask12(url string) taskDetails {
+	taskDetails := taskDetails{}
+	data, err := fetch(url)
+	if err != nil {
+		panic(err)
+	}
+	m := make(map[string]interface{})
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		panic(err)
+	}
+	txs := []interface{}{}
+	totalPages,_ := strconv.Atoi(m["page_total"].(string))
+	size,_ := strconv.Atoi(m["size"].(string))
+	for i := 1; i <= totalPages;i++{
+		url := fmt.Sprintf("%s&search_request_page=%d&search_request_size=%d",url,i,size)
+		data, err := fetch(url)
+		if err != nil {
+			panic(err)
+		}
+		m := make(map[string]interface{})
+		err = json.Unmarshal(data, &m)
+		if err != nil {
+			panic(err)
+		}
+		tx := m["txs"].([]interface{})
+		txs = append(txs, tx...)
+	}
+	for _, tx := range txs {
+		code := tx.(map[string]interface{})["result"].(map[string]interface{})["Code"].(float64)
+		if code != 0 {
+			continue				//只记录成功的交易
+		}
+
+		hash := tx.(map[string]interface{})["hash"].(string)
+		height := tx.(map[string]interface{})["height"].(string)
+		timestamp := tx.(map[string]interface{})["timestamp"].(string)
+		tags := tx.(map[string]interface{})["result"].(map[string]interface{})["Tags"].([]interface{})
+		tagsMap := make(map[string]string)
+		for _, tag := range tags {				//将tags解析保存到缓存中，去除json文件格式中的属性名
+			key := tag.(map[string]interface{})["key"].(string)
+			value := tag.(map[string]interface{})["value"].(string)
+			tagsMap[key] = value
+		}
+		if sender, ok := tagsMap["sender"]; ok {
+			detail := taskDetail{
+				hash:      hash,
+				height:    height,
+				sender:    sender,
+				timestamp: timestamp,				//获取交易的sender
+			}
+			if validator,ok := validatorSet[sender];ok{
+				detail.moniker = validator.moniker
+				detail.pgpID = validator.pgp
+			}
+			//fmt.Println(detail)
+			taskDetails = append(taskDetails, detail)
+		}
+	}
+	return taskDetails
+}
+
+
+//task3 task4 任务检查，输入url以及token-pairs名，由于可能存在btc-eth,或者eth-btc均可，返回完成任务交易的相关情况
+func verifyTask34(url, tokenPairs1, tokenPairs2 string) taskDetails {
+	taskDetails := taskDetails{}
+	data, err := fetch(url)
+	if err != nil {
+		panic(err)
+	}
+	m := make(map[string]interface{})
+	err = json.Unmarshal(data, &m)
+	if err != nil {
+		panic(err)
+	}
+	size,_  := strconv.Atoi(m["size"].(string))
+	totalPages,_ := strconv.Atoi(m["page_total"].(string))
+	txs := []interface{}{}
+	for i := 1; i <= totalPages;i++{					//分页load，将所有信息拉取下来
+		url := fmt.Sprintf("%s&search_request_page=%d&search_request_size=%d",url,i,size)
+		data, err := fetch(url)
+		if err != nil {
+			panic(err)
+		}
+		m := make(map[string]interface{})
+		err = json.Unmarshal(data, &m)
+		if err != nil {
+			panic(err)
+		}
+		tx := m["txs"].([]interface{})
+		txs = append(txs, tx...)
+	}
+	for _, tx := range txs {
+		code := tx.(map[string]interface{})["result"].(map[string]interface{})["Code"].(float64)
+		if code != 0 {		//只记录成功的交易
+			continue
+		}
+		hash := tx.(map[string]interface{})["hash"].(string)
+		height := tx.(map[string]interface{})["height"].(string)
+		timestamp := tx.(map[string]interface{})["timestamp"].(string)
+
+		tags := tx.(map[string]interface{})["result"].(map[string]interface{})["Tags"].([]interface{})
+		tagsMap := make(map[string]string)
+		for _, tag := range tags {
+			key := tag.(map[string]interface{})["key"].(string)
+			value := tag.(map[string]interface{})["value"].(string)
+			tagsMap[key] = value
+		}
+
+		if tp, ok := tagsMap["token-pair"]; ok && (tp == tokenPairs1 || tp == tokenPairs2) {     //需要核对token-pairs对是否正确
+			if sender, ok := tagsMap["sender"]; ok {
+				detail := taskDetail{
+					hash:      hash,
+					height:    height,
+					sender:    sender,
+					timestamp: timestamp,
+				}
+				if validator,ok := validatorSet[sender];ok{
+					detail.moniker = validator.moniker
+					detail.pgpID = validator.pgp
+				}
+				taskDetails = append(taskDetails, detail)
+			}
+		}
+	}
+	return taskDetails
+}
+
+func main() {
+	task1Details := verifyTask12(task1URL)
+	task2Details := verifyTask12(task2URL)
+	task3Details := verifyTask34(task3URL, task3TP1, task3TP2)
+	task4Details := verifyTask34(task4URL, task4TP1, task4TP2)
+	sort.Sort(task1Details)
+	removeRepeat(task1Details)
+	uniSortTask1Details := removeRepeat(task1Details)
+	fmt.Printf("task1完成人数统计：%d \n", len(uniSortTask1Details))
+	for i,v := range uniSortTask1Details{
+		fmt.Printf("【task1】%d: %+v\n",i,v)
+	}
+
+	sort.Sort(task2Details)
+	removeRepeat(task2Details)
+	uniSortTask2Details := removeRepeat(task2Details)
+	fmt.Println()
+	fmt.Printf("task2完成人数统计：%d \n", len(uniSortTask2Details))
+	for i,v := range uniSortTask2Details{
+		fmt.Printf("【task2】%d: %+v\n",i,v)
+	}
+
+	sort.Sort(task3Details)
+	removeRepeat(task3Details)
+	uniSortTask3Details := removeRepeat(task3Details)
+	fmt.Println()
+	fmt.Printf("task3完成人数统计：%d \n", len(uniSortTask3Details))
+	for i,v := range uniSortTask3Details{
+		fmt.Printf("【task3】%d: %+v\n",i,v)
+	}
+
+	sort.Sort(task4Details)
+	removeRepeat(task4Details)
+	uniSortTask4Details := removeRepeat(task4Details)
+	fmt.Println()
+	fmt.Printf("task4完成人数统计：%d \n", len(uniSortTask4Details))
+	for i,v := range uniSortTask4Details{
+		fmt.Printf("【task4】%d: %+v\n",i,v)
+	}
+}
+
+func removeRepeat(details taskDetails)taskDetails{
+	m := make(map[string]string)
+	uniTaskDetails := taskDetails{}
+	for _,detail := range details {
+		if _,ok := m[detail.sender]; !ok{
+			uniTaskDetails = append(uniTaskDetails, detail)
+			m[detail.sender]="exit"
+		}
+	}
+	return uniTaskDetails
+}
+
+
+//拉去网络资源
+func fetch(url string) ([]byte, error) {
+	client := http.Client{}
+	request, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return nil, err
+	}
+	request.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36")
+	resp, err := client.Do(request)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return ioutil.ReadAll(resp.Body)
+}