Alpha Mixed Cipher - ksnctf

This encryption is useful for crackers. VTX630VXH49HHHPhYAAQhZYYYYAAQQDDDd36FFFFTXVj0PPTUPPa301089IIIIIIIIIIIIIIIII7QZjAXP0A0AkAAQ2AB2BB0BBABXP8ABuJIn9hkokN944VDxtfQkbh2CG6QyYE4nkpqp0lKBVtLlKpvULnks