To join Pi, follow this link https://minepi.com/patpun1234 and use my username (patpun1234) as your invitation code.
PI幣-首個可在手機上挖礦的數字資產 現在就開始運用這款輕量級應用 https://minepi.com/patpun1234,在手機上免費PI幣挖礦吧!為了增加算力,請填官方Pi幣邀請碼:patpun1234
冷知識寶庫 triviacollection.blogspot.com