Billionaire corporations like ASIv2 are constantly testing the limits by employing seemingly simple cryptosystems to safeguard their secret financial transactions, demonstrating that even in a world of advanced technology, sometimes simplicity can be the key to security.

该题目复现环境尚未取得主办方及出题人相关授权，如果侵权，请联系管理员删除。flag格式为CCTF{}，得到的flag请使用NSSCTF{}格式提交。