| A new Encryption algorithm. First time to buy. (provide 30 free License Code) | US $249 |
| Continue to buy the License Code, per License Code should pay | US $2 |
30 License Code. That means you can sell your ex4 files to 30 users. Per License Code can only use 370 day
Note: If you have multiple EX4 files which you want to be able to sell separately, you should buy another new Encryption algorithm. The License Code is different for different Encryption algorithm.
