Well, you need a bitcoin “wallet” from one of the companies that issue them. They keep your bitcoins secure for you, kind of like a bank, and you use the wallet to make your transactions. Then you can buy bitcoins from an exchange and transfer them to the wallet.
Here’s some info on all that stuff:
https://bitcoin.org/en/getting-started
Thanks for the info. Sounds interesting.
Then they say the vault was hacked, and your money, but not their money, is gone.