My sophomore year of high school, I was trying to writing a Discord (chat platform) bot for a server I shared with friends and unknowingly included the private

My sophomore year of high school, I was trying to writing a Discord (chat platform) bot for a server I shared with friends and unknowingly included the private key in a public repo I hoped to show them. A specifically written crawler for Discord keys found the key and starting spamming the server with images of very very undesirable things from the far corners of the internet at a rate of hundreds per second. Needless to say I learned my lesson the hard way.