We start by opening the banking website. After clicking signup, we are presented with a form to fill in our details.
After registering as a user, we see a dashboard with our balance, our AccountID, a button to transfer bugs and a settings button.
Clicking on the settings button reveals the settings and a button to buy the premium flag feature. Getting the premium flag feature will probably be the way to get the flag.
As we can see, the premium flag feature costs
If we click on the transfer bugs button on our dashboard, we are presented with a form to transfer bugs to an AccountID. We can try to transfer money to our own AccountID, but if we enter a positive number, we get an error message saying "Not enough money".
If we enter
If we can send a negative amount of bugs to another AccountID, we could probably gain bugs. So we create a new account and try to transfer a negative amount of bugs to that account.
After sending
Now that we have enough bugs, we can buy the premium flag feature and get the flag.