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Guides

EIP-7702 Drainers: The Signature That Waits

A wallet lost $22.7K in October without sending a thing. How EIP-7702 delegation drainers work, how to check your wallet and clear one.

5 min read
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Payments

Is USDT Banned in the EU? The 8 January 2027 Deadline

ESMA gave EU crypto platforms until 8 January 2027 to wind down USDT. What changes if you hold it, and how to get paid in stablecoins now.

5 min read
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News

Bitget Hack: Why Only $318K of $387M Got Frozen

Circle and Tether froze 0.08% of the $387M Bitget hack. Why stablecoin freezes miss hackers and hit ordinary holders.

5 min read
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Payments

Crypto Invoice Fraud: One Swapped Address

An attacker swaps one line on an invoice and the money is gone for good. How crypto invoice fraud works — and how to check before you pay.

5 min read
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Security

The P2P Crypto Trade That Freezes Your Bank Account

Sell crypto peer-to-peer and the money can arrive stolen. Here's how the freeze happens, and what to check before you release coins.

5 min read
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Compliance

Source of Funds: What Your Exchange Actually Wants

Your exchange asked where the crypto came from. What triggers the question, what documents close it, and how to answer fast.

5 min read
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Security

Wallet Drainers: The Theft You Sign Yourself

Hardware wallet bugs make headlines. Far more crypto leaves wallets because the owner signed an approval. How to spot one.

5 min read
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Compliance

Paying a Contractor in Crypto? Check the Wallet First

Eleven governments warned about North Korean IT workers on July 31. Here is what paying the wrong wallet can cost you.

5 min read
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Security

How Stolen Crypto Ends Up in Your Wallet

Hackers took $1.31bn in six months. Here's how those coins reach ordinary wallets, and how to check an address before you accept a payment.

4 min read