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Crypto: Spotting Scams and Risk

What you will learn

Explain in your own words the concept and one of its risks.

Crypto safety includes keeping secrets, vetting services and understanding actions that are not easy to reverse.

Gifts that require sending funds first, support representatives who ask for a recovery phrase, and pressure to buy “before they fly” are warning signs. Sending to a wrong address can be irreversible. Even a currency called “stable” is not a guarantee of preserving value.

A message offers to send one coin and receive two. Do not send money to test whether the promise is real.

Explain in your own words the concept and one of its risks.

Ethereum.org · Security and Scams ↗

A worked example and a common misunderstanding

Suppose a website shows a profit and then demands an extra payment to “release a withdrawal.” The number on screen does not prove that accessible funds exist. Do not transfer more simply because money was already sent. Keep evidence without exposing secrets, verify the operator independently and seek appropriate help. A paid promise to recover the money can itself be another attempted scam.

Concepts that help you compare

Stop Before a Big Promise

An investment scam tries to get you to transfer money by deception. Pressure to act immediately, a promise of risk-free profit, and a request for passwords are warning signs. Do not send sensitive details to someone who contacted you. Check independently and consult with a trusted adult.

Comparison example: A message says: "Send 200 ₪ now and get 400 tomorrow." The pressure and the promise are reasons to stop.

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Blockchain, Wallet and Private Key

A blockchain is the ledger shared by the network, and a wallet is a tool to manage access and actions on the network. Assets are recorded on the network; the wallet helps manage the keys. An address is used to receive assets, while a private key allows authorizing actions. A recovery phrase can restore access: anyone who obtains it could control the assets. Never share it here or with a support representative.

Comparison example: A public address is like a street address that lets you receive a delivery; a private key is not a detail you give to the sender. This is an analogy only, not a full explanation of the technology.

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Check your understanding

A support representative asks for your recovery phrase. What do you do?

  • Give it to them
  • Stop and do not share
  • Send only half
Answer and explanation

Stop and do not share. Legitimate support does not need the secret that gives control of assets.

A transfer to the wrong address…

  • Always cancels immediately
  • Can be irreversible
  • Becomes a gift from the bank
Answer and explanation

Can be irreversible. Do not assume there is a refund or cancel mechanism like in a traditional payment service.

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