User talk:Kritsadakorn Kaewkham

March 2021
Hello, I'm Peaceray. An edit that you recently made to Cryptography seemed to be a test and has been reverted. If you want to practice editing, please use your sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page.   Peaceray (talk) 06:26, 6 March 2021 (UTC)