Education
October 20, 2026

Cryptocurrency Scams

A call from someone claiming to be customer support, an enticing investment offer, or an unexpected reward in a cryptocurrency wallet. Scams can take many forms, but they often have the same goal: to persuade us to disclose sensitive information, transfer funds, or authorize a dangerous action. What matters is not just how convincing a message or app looks, but above all what the other party is asking us to do.


Fake Customer Support and Urgent Requests

A scammer may pose as a representative of a cryptocurrency service, claim that our account has been compromised, and urge us to install remote-access software or transfer our crypto assets to a supposedly secure wallet. They may know our name and spoof the phone number of a legitimate company. Neither proves their identity. If someone contacts us unexpectedly, we should end the call and verify our account status directly through the official app or a trusted website. We should never share passwords, verification codes, private keys, or recovery phrases with anyone.


Fake Investments and Profits That Exist Only on Screen

Another scam begins with an advertisement promising attractive investment returns. A supposed adviser helps us deposit money, and the platform soon displays substantial profits. However, the balance shown may not represent real assets. When we request a withdrawal, we may be asked to make another payment for taxes, insurance, or to unlock the account. Sometimes, a scammer allows a small withdrawal to gain our trust. Before investing, we should verify the operator and its authorization in official registers. We should not send more money simply to recover our initial deposit.


Phishing and Fake Websites

Fraudulent websites can closely imitate a well-known cryptocurrency exchange or wallet. They may even appear among paid search results. Such sites then ask for login credentials or a recovery phrase under the pretext of an update or security check. We should always independently verify the actual website address and the source of an app. Even professionally written text, a familiar logo, a voice, or a video is not reliable proof of identity; similar content can also be created using artificial intelligence.


Dangerous Wallet Permissions

Some scams do not require our password. All they need is for us to authorize a malicious action ourselves. A website may promise a reward while the wallet is actually requesting permission to manage our tokens. A so-called token approval is a standard feature of blockchain applications, but the permissions it grants can be abused. Connecting a wallet, sending cryptocurrency, signing a message, and granting an approval are different actions. Before confirming, we should check exactly what we are allowing and to whom. Even a signature that incurs no network fee may not be harmless; disconnecting a website does not automatically revoke permissions already granted.


Unsolicited Tokens and Fake Recovery Services

An unsolicited token may appear in our wallet, together with a link to a website where we can supposedly claim a reward. Receiving a token alone does not mean the wallet has been compromised. The risk arises when we subsequently interact with a suspicious website, sign a request, or make a payment. It is safer to ignore or hide unknown tokens. Caution is also essential after a loss: supposed recovery specialists may promise to retrieve cryptocurrency in exchange for an upfront fee. Tracing a transaction on the blockchain does not mean the funds can necessarily be recovered.


What to Do If You Suspect a Scam

First, stop following the suspicious person's instructions and verify the situation through a separate, trusted channel. If we have disclosed a password, secure the account using a safe device. If we have granted a malicious token approval, check whether it can be revoked. If a recovery phrase or private key has been exposed, changing a password is not enough: any remaining funds may need to be transferred to a new wallet with independently generated keys. If a bank payment was involved, contact the bank immediately; if a cryptocurrency account was affected, contact its provider. Preserve messages, addresses, amounts, and transaction IDs, and report suspected criminal activity to the Police of the Czech Republic.


Conclusion

The most effective protection against cryptocurrency scams is to verify not only where an offer comes from, but also what the requested action will actually do. Before transferring funds, installing software, or signing anything in a wallet, we should understand who is asking us to act, what we would be authorizing, and whether the action is truly necessary. If we are unsure, it is safer to stop and independently verify the information than to give in to pressure.

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Author

Tomáš Bára

Tomáš Bára
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October 20, 2026 4 minutes reading

Cryptocurrency Scams

A phone call from someone claiming to be customer support, an investment opportunity promoted by a familiar face, or a reward that unexpectedly appears in your wallet. Each situation may look different, but they can all lead to the same outcome: we disclose sensitive information, send funds, or approve a transaction without understanding what it actually does.
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This article is for informational purposes only and does not constitute investment, financial, legal, or tax advice. The information provided in the article is not a recommendation to buy, sell, exchange, or hold cryptocurrencies or other digital assets. The value of cryptocurrencies can fluctuate significantly, and investing in them involves the risk of losing part or all of the invested amount. Before making any decision, we recommend considering your own financial situation and, where appropriate, consulting a professional.