Don't click and answer FAKE GCash 20th Anniversary scam surveys like the one below. If you receive a private message with a link and require you to log in to GCash, don’t click it, especially if it’s not from the official GCash website (https://www.gcash.com/). Often, it comes with the promise that you will receive GCash.
The GCash 20th Anniversary 2021 Scam
GCash will never ask you to fill out forms that require your MPIN and OTP. If you have you need help you can go to help.gcash.com. Their customer support is not on messenger.