Crypto Foundations course | Crypto Academy

Outcome

Pause, verify outside the attacker's channel, read signing authority, and respond without making the loss worse.

Chapter check

Explain the decision, not just the term.

Four questions. Answers and explanations are shown after each choice.

01A support account sends an urgent wallet link. What is the safest next step?

AAsk that account whether the link is genuineBOpen the link in private browsingCFind an official channel independently and verify the exact requestDConnect with an empty wallet first

02Why can an unlimited token approval be risky?

AIt permanently lowers network feesBIt makes the wallet address invalidCIt reveals a recovery phraseDIt grants a spender continuing authority up to a very high amount

03You approved an unfamiliar spender but no assets have moved yet. What is the safest immediate approach?

AKeep using the site to see what happensBStop interacting, verify the approval independently, revoke unnecessary authority through a trusted route, and preserve evidenceCPost the recovery phrase to ask for helpDPay a recovery service in advance

04A social post links to an urgent wallet update. Which route is safest?

ANavigate independently to the provider's verified site or official store listingBInstall from the post before it expiresCAsk replies under the postDDisable device security checks

Resist scams and unsafe signing

Pause, verify outside the attacker's channel, read signing authority, and respond without making the loss worse.

Phishing, impersonation, and fake apps

Investment, romance, job, and recovery scams

Signatures, approvals, and incident response

Explain the decision, not just the term.