For large exchanges, stick to reputable platforms like Binance or KuCoin for security. Be cautious with Telegram channels or forums to avoid scams.
That's correct, He should rely on the best CEX in the market according to
CoinMarketCap. Additionally, when creating an account with them, he should familiarize himself with their Terms of Use and carefully read their rules and conditions. There are also many decentralized alternatives available in the market.
Regarding the forum, there are trusted escrow service providers that he can find [
here]. We always recommend dealing with members only by using the escrow service; without it, no deals should be made. Also, I would never recommend Telegram channels and groups as they are a haven for scammers, fake accounts, and impersonators.