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Crypto compliance, made simple

Wallet risk, sanctions, scams and staying safe on-chain — explained simply by the team building Constatum.

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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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Security

Ledger Spy Chip: $93M Stolen Through the Screen

A chip hidden behind the screen of resold Ledger devices read recovery phrases and sent them over LTE. What happened, and what to check now.

5 min read
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Compliance

Sanctioned TRON Addresses: The USDT Trail Goes Back to 2022

OFAC put seven TRON addresses on the SDN list on 30 September. The USDT behind them has moved since 2022. How to check your own exposure.

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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Security

Fake AML Checkers Are Draining Wallets

Fake AML checker sites ask you to connect your wallet, then drain it. A real address check only ever needs the public address.

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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