Listen up: a token has different authorities like a henhouse has different keys. The mint authority can create new tokens and increase supply—that's the nuclear button. The update authority controls metadata like the name, symbol, image, and social links. You need both to understand what you're actually holding. Here's the trust builder: if a team burns or renounces these authorities, they're locking the door permanently. No more surprise token printing, no rebranding into a honeypot scheme. That doesn't guarantee success, but it removes a major exit scam vector. The catch is nuanced though. Renouncing authorities is good for buyers but makes legitimate bug fixes impossible. Some teams keep update authority but burn mint authority—a middle ground that prevents dilution while allowing metadata tweaks. When you research a token, check the Solana blockchain explorer and look at these authorities. If they're still active and held by a vague multisig, that's a yellow flag worth investigating. Trust is built on permanent constraints, not promises.