Update `Securely purchasing and storing Monero` user guide
https://web.getmonero.org/resources/user-guides/securely_purchase.html
It's very outdated (last updated in 2017 and starts with "Step 1: Buy Bitcoin")
https://web.getmonero.org/resources/user-guides/securely_purchase.html
It's very outdated (last updated in 2017 and starts with "Step 1: Buy Bitcoin")