Guides are being published on how to purchase various cryptocurrencies on mobile apps. The cryptocurrencies mentioned include Crypto.com Coin, Avalanche, Nym, Aerodrome, Ceramic, Siacoin, Mog Coin, XDC Network, and AIOZ Network. The guides appear to provide step-by-step instructions for buying these cryptocurrencies using a mobile app, with some specifying the use of a debit card.