Hardware wallet (Ledger, Trezor), desktop, mobile, and maybe browser like MyEtherWallet? How to safely store cryptocurrencies, tokens?
Cryptocurrencies - how to start? Security and anonymity in the network. Encrypted e-mail, token wallet, VPN, DNS, Google Authenticator - what to remember about?
Free course - cryptocurrency how to get started. Training how to invest in cryptocurrencies, buy bitcoins, use exchanges. Safety, a guide on what to buy.