What is my seed?
Think about your seed as the combined username and password that grants access to your bank account. If anyone obtains your seed, they can login and access your funds.
Seed: You must generate a random 81 character seed using only A-Z and the number 9. It is imperative that your seed be an 81 character random assortment of A-Z and 9. Use one of the options below to generate your seed:
Depending on your operating system, you can use onboard tools to generate such a seed:
Linux - Terminal: https://www.digitalocean.com/community/tutorials/an-introduction-to-the-linux-terminal
cat /dev/urandom |tr -dc A-Z9|head -c${1:-81}
Mac - Terminal: https://en.wikipedia.org/wiki/Terminal_(macOS)
cat /dev/urandom |LC_ALL=C tr -dc 'A-Z9' | fold -w 81 | head -n 1
Windows/Linux -- with Keypass on PC:
A helpful guide for generating a secure seed on KeePass can be found here.
Windows - PowerShell command? The PowerShell method has been demonstrated to be insecure. Do not use it.
With Dice: Dice Roll Template
If you don't know how to run the above commands, then you can try a seed generator:
Open this page in your browser -->
https://ipfs.io/ipfs/QmdqTgEdyKVQAVnfT5iV4ULzTbkV4hhkDkMqGBuot8egfA (based on knarz.github.io/seedgen)
Turn off your Internet connection (go offline)
Follow the instructions on the page to generate a seed
Once a seed is generated, change a few of the generated letters (as an extra security precaution)
Save your new seed in a secure location (example: a secure password manager, such as KeePass)