diff --git a/api/handlers/register.go b/api/handlers/register.go
index a19ccd1..70c86ba 100644
--- a/api/handlers/register.go
+++ b/api/handlers/register.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"net/http"
 	"os"
-	"strconv"
 	"time"
 
 	"github.com/labstack/echo/v4"
@@ -66,12 +65,12 @@ func RegisterPost(c echo.Context) error {
 	u.ID = "usr_" + uuid
 	u.IsVerified = false
 
-	// Generate a unique user ID prefixed with "usr_"
-	num, err := utils.GenerateNumber(6)
+	// Generate a verification prefixed with "ver_"
+	vCode, err := utils.GenerateUUID()
 	if err != nil {
-		return c.JSON(http.StatusInternalServerError, echo.Map{"error": "Failed to generate verification code"})
+		return c.JSON(http.StatusInternalServerError, echo.Map{"error": "Failed to generate user ID"})
 	}
-	u.VerificationCode = num
+	u.VerificationCode = "ver_" + vCode
 
 	// Generate the timestamp
 	u.CreatedAt = time.Now().Unix()
@@ -84,7 +83,7 @@ func RegisterPost(c echo.Context) error {
 	}
 
 	// Send welcome email
-	emailError := email.SendWelcomeEmail(u.Email, "http://example.com/verify?code="+strconv.Itoa(u.VerificationCode))
+	emailError := email.SendWelcomeEmail(u.Email, "http://example.com/verify?verificationCode="+u.VerificationCode)
 	if emailError != nil {
 		fmt.Println(emailError)
 		return c.JSON(http.StatusInternalServerError, echo.Map{"error": emailError})
diff --git a/api/handlers/verifyEmail.go b/api/handlers/verifyEmail.go
index 0f6ae34..3fde328 100644
--- a/api/handlers/verifyEmail.go
+++ b/api/handlers/verifyEmail.go
@@ -25,8 +25,8 @@ func VerifyEmailGet(c echo.Context) error {
 	collection := db.Collection("users")
 	// Define the filter to find the user with the given verification code
 	filter := bson.M{"verificationCode": verificationCode}
-	// Define the update to set the "isVerified" field to true
-	update := bson.M{"$set": bson.M{"isVerified": true}}
+	// Define the update to set the "isVerified" field to true and unset the "verificationCode" field
+	update := bson.M{"$set": bson.M{"isVerified": true}, "$unset": bson.M{"verificationCode": ""}}
 
 	// Execute the update on the user in the database
 	res, err := collection.UpdateOne(ctx, filter, update)
diff --git a/api/handlers/verifyEmail.http b/api/handlers/verifyEmail.http
index 9a48f2e..1e8ee53 100644
--- a/api/handlers/verifyEmail.http
+++ b/api/handlers/verifyEmail.http
@@ -1,4 +1,4 @@
    # Your request headers, e.g.
-    GET http://localhost:8080/verify-email?verificationCode=1234567890
+    GET http://localhost:8080/verify-email?verificationCode=ver_653ea497-bd92-4b21-a952-77245f11d274
     Content-Type: application/json
 
diff --git a/api/models/user.go b/api/models/user.go
index 010faac..3bc40c2 100644
--- a/api/models/user.go
+++ b/api/models/user.go
@@ -7,7 +7,7 @@ type User struct {
 	Password         string `json:"password" bson:"password" validate:"required,max=64,min=8"`
 	RefreshToken     string `json:"refreshToken,omitempty" bson:"refreshToken,omitempty"`
 	CreatedAt        int64  `json:"createdAt" bson:"createdAt"`
-	VerificationCode int    `json:"verification,omitempty" bson:"verification,omitempty"`
+	VerificationCode string `json:"verificationCode,omitempty" bson:"verificationCode,omitempty"`
 	LastSeen         int64  `json:"lastSeen,omitempty" bson:"lastSeen,omitempty"`
 	IsVerified       bool   `bson:"isVerified"`
 }