<div class="card-content"> Desea cambiar su contraseña?<br><br>
                                                 <div class="input-field col s12">
                                                   <i class="material-icons prefix blue-text">edit</i>
                                                   <label>Contraseña Antigua</label>
                                                   {!! Form::open(['url'=>['ChangePassword',$user],'method'=>'POST', 'files'=>true,'class'=>'form-horizontal','id'=>'edit']) !!}
                                                     {!! Form::text('password',$user->password,['class'=>'form-control']) !!}
                                                    </div>

                                                 <a href="{{ url('ChangePassword', $user->id) }}" class="btn btn-primary green curvaBoton active modal-close">Actualizar</a>
                                                  <a href="#" class="btn btn-primary green curvaBoton active modal-close">Volver</a>
                                                  {!! Form::close() !!}
                                              </div>

public function changepassword(Request $request, $id)
{
    $user = User::find($id);
    //$user->password = $request->password;
    //$newpassword = bcrypt($request->newpassword);
    //$confirmnewpass = bcrypt($request->confirmnewpass);
    //$encrypted = Crypt::encryptString($user->password);
    //$user->password = $encrypted;
    //$decrypted = Crypt::decrypt($request->password);
    //$user->password = $decrypted;
    //$user->password = bcrypt($request->password);
    //$user->password = $user->password;
    //$user->password = Hash::make($request->password);
    //$pass_encrypt = md5($request->password);
    $pass_encrypt = password_hash($user->password, PASSWORD_BCRYPT);
    $user->password = $pass_encrypt;

    if (password_verify($user->password, $pass_encrypt));
    //if (Hash::check($request->password, $pass_encrypt))
   //{
    {
        $user->save();

          return redirect()->action('UserController@edit');

         Flash('Se ha modificado sus contraseña con exito!')->success();
    }

  // }

}

Route::get('ChangePassword/{id}','UserController@changepassword');