Based on the provided information, it appears that the caller with the number +61370485079 is likely a scammer, trying to steal money or personal information. The fact that they rang back after being blocked and asked why they were blocked suggests that they are persistent and aggressive in their approach. The mention of "Chinese" in the comments may indicate that the scam is originating from a Chinese-speaking individual or group, but this is not conclusive. Overall, it is essential to be cautious when receiving calls from unknown numbers and to never provide personal or financial information to unverified callers.
Seemingly, scammers are using phone calls, robocalls, and text messages to steal your money or personal info, thats whats happening.
After blocking the number, the caller, who claimed to be from Vodaphone, called back, inquiring about the block, which I believe is a scam.
A Chinese scammer was encountered, who called back after being blocked and inquired about the reason for the blockage.