What is Rijndael and how does it work?

Kabilan on Instagram: "🐍 When the British colonised India, one of their strangest challenges came not from rebellion or politics, but from cobras. The city of Delhi was filled with these venomous snakes, and to control the problem, the British introduced a reward program: bring a dead cobra and earn money. At first, the plan seemed brilliant. People enthusiastically hunted cobras, and the number of dead snakes piled up. But after some time, the British noticed something odd — instead of declini