Calls from fake exchange staff or officials: how Singapore users can end them safely
Phone scams are effective because a confident voice creates trust faster than any email. A caller says they are from your exchange's security team, your bank's fraud unit or a government agency. They know your name, sometimes your exchange, and they speak about a suspicious login, an investigation or frozen funds. Within minutes they ask you to read out a code, install an app or move your crypto to a safe wallet. Singapore residents are frequent targets of such impersonation. This guide describes the typical script and gives you a simple way to end the call without being drawn in.
Exchanges do not call to move your funds
Large exchanges such as Binance, OKX, Bybit and Bitget handle security issues through the app, official email and support tickets you open yourself. Their staff do not phone users asking them to transfer assets, share verification codes or install remote access tools. Treat any caller who does so as a scammer, regardless of how much they know about you. Personal details are often bought from data leaks and prove nothing about who is calling.
Recognise the script
Impersonation calls follow a pattern. First comes alarm: your account has been compromised or is linked to a crime. Then authority: a badge number, a case reference, a transfer to a supervisor. Then secrecy: do not tell your family or bank, it may alert the criminals. Finally, the action: move funds to a protected address, read out a code or let them guide you through your screen. The moment you hear a request to move assets or keep the call secret, you know what it is.
End the call and verify independently
You do not need to argue or explain. Say you will call back through official channels and hang up. Then open your exchange app yourself and check messages, login history and security notices. If you are worried about your bank, call the number printed on your card. If the caller claimed to be from an authority, look up its official contact details independently. Genuine institutions are never offended by you verifying them.
If you already followed instructions
If you shared a code or installed an app, uninstall the app, change your exchange password from a clean device, end all sessions and review withdrawal addresses and API keys. If you sent funds, gather the transaction IDs and contact your exchange through the help centre, and report the incident to the police. Be wary of follow-up calls offering to recover the money for a fee, which is a common second stage of the same scam.
Risk boundary: Singapore Crypto Guide
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Scenario checkpoint
- Hang up on any caller who asks you to move crypto, read out codes or install remote tools.
- Check alerts by opening the exchange app yourself and reviewing login history and messages.
- Verify banks or authorities using contact details you find independently, never ones given on the call.
- Change passwords and review withdrawal addresses at once if you followed any caller's instructions.