It would be possible for someone to maliciously corrupt the counter property via an unprotected update, but that same malicious party could do the same thing with a normal update cycle.

可能有人会恶意地通过未保护更新破坏计数器属性，但这种破坏也可以发生在常规的更新中。

youdao

Currently, the feature only works for posted links - you can't "via" someone else's status update or photo.

目前，这一功能仅限于发布的链接——你还不能“via”他人的状态或者照片。

youdao