I think you'll know why a proven security system is so important even if you don't explain it in a long time. No matter how long the Toto site has been running, if the security system becomes poor, it is damaged by hacking and leakage of users' personal information. https://gizmodo.uol.com.br/토토사이트-순위-스포츠토토-사설-토토-사이트-추천-top1/