Scam — any fraudulent scheme targeting your funds: fake projects, phishing sites that clone real ones, "support" accounts asking for your seed phrase, giveaway impersonators, rug pulls, honeypot tokens.
Crypto scams exploit urgency and greed. The base rules on TON: nobody legitimate ever asks for your 24-word seed phrase, admins never DM first, and offers that look too good to be true are exactly that.