Two users have lost over $245,000 due to signing malicious permit signatures, according to the GoPlus Chinese community. One user lost $155,000 worth of aBascbBTC to a phishing attack, while another lost $90,000 worth of XAUt after signing a Uniswap Permit2 signature. GoPlus advises users to avoid clicking on unfamiliar links, installing software from unknown sources, signing transactions with unknown content, and transferring funds to unverified addresses.