diff --git a/server/nftserver/constant/constant.go b/server/nftserver/constant/constant.go
index cff3da83..727f9f7b 100644
--- a/server/nftserver/constant/constant.go
+++ b/server/nftserver/constant/constant.go
@@ -1,7 +1,7 @@
 package constant
 
 const (
-	ACCOUNT_DB = "accountdb"
+	BCNFT_DB = "bcnftdb"
 )
 
 const (
diff --git a/server/nftserver/middleware/checkjwt.go b/server/nftserver/middleware/checkjwt.go
deleted file mode 100644
index 5fc78468..00000000
--- a/server/nftserver/middleware/checkjwt.go
+++ /dev/null
@@ -1,97 +0,0 @@
-package middleware
-
-import (
-	"time"
-	"log"
-	"context"
-	"net/http"
-	"strings"
-
-	"github.com/gin-gonic/gin"
-	jwtmiddleware "github.com/auth0/go-jwt-middleware/v2"
-	//"github.com/auth0/go-jwt-middleware/v2/jwks"
-	"github.com/auth0/go-jwt-middleware/v2/validator"
-)
-
-var (
-	// The signing key for the token.
-	signingKey = []byte("secret")
-
-	// The issuer of our token.
-	issuer = "go-jwt-middleware-example"
-
-	// The audience of our token.
-	audience = []string{"audience-example"}
-
-	// Our token must be signed using this data.
-	keyFunc = func(ctx context.Context) (interface{}, error) {
-		return signingKey, nil
-	}
-
-	// We want this struct to be filled in with
-	// our custom claims from the token.
-	customClaims = func() validator.CustomClaims {
-		return &CustomClaims{}
-	}
-)
-
-type CustomClaims struct {
-	Scope string `json:"scope"`
-}
-
-func CheckJWT() gin.HandlerFunc {
-	// Set up the validator.
-	jwtValidator, err := validator.New(
-		keyFunc,
-		validator.HS256,
-		issuer,
-		audience,
-		validator.WithCustomClaims(customClaims),
-		validator.WithAllowedClockSkew(30*time.Second),
-	)
-	if err != nil {
-		log.Fatalf("failed to set up the validator: %v", err)
-	}
-
-	errorHandler := func(w http.ResponseWriter, r *http.Request, err error) {
-		log.Printf("Encountered error while validating JWT: %v", err)
-	}
-
-	middleware := jwtmiddleware.New(
-		jwtValidator.ValidateToken,
-		jwtmiddleware.WithErrorHandler(errorHandler),
-	)
-
-	return func(ctx *gin.Context) {
-		encounteredError := true
-		var handler http.HandlerFunc = func(w http.ResponseWriter, r *http.Request) {
-			encounteredError = false
-			ctx.Request = r
-			ctx.Next()
-		}
-
-		middleware.CheckJWT(handler).ServeHTTP(ctx.Writer, ctx.Request)
-
-		if encounteredError {
-			ctx.AbortWithStatusJSON(
-				http.StatusUnauthorized,
-				map[string]string{"message": "JWT is invalid."},
-			)
-		}
-	}
-}
-
-func (c CustomClaims) Validate(ctx context.Context) error {
-	return nil
-}
-
-func (c CustomClaims) HasScope(expectedScope string) bool {
-	result := strings.Split(c.Scope, " ")
-	for i := range result {
-		if result[i] == expectedScope {
-			return true
-		}
-	}
-
-	return false
-}