Constatum
Sign in

Topics

#wallet-security

← All articles
A grid of identical machined metal plates seen from above, with one plate quietly swapped for a different one
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
A machined metal verification seal, its front plate lifted away to reveal an empty cavity behind a glowing orange checkmark.
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
A machined metal padlock hanging open, a thin orange line of light tracing the empty keyway.
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
A single machined metal chain link on a black background, a thin orange line of light tracing its inner curve
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
A machined titanium bar on a dark background, shadowed by a faint, near-identical mirrored copy of itself, with a single orange warning notch glowing on its face.
Security

Address Poisoning: The $50M Copy-Paste Scam

How address-poisoning scammers slip lookalike wallet addresses into your history — and the 10-second habit that stops you sending crypto to the wrong one.

4 min read
A row of abstract blockchain blocks on a dark background with one block glowing orange under a scanning line, suggesting a flagged wallet address.
Guides

Is This Crypto Address Safe? How to Check

A practical guide to spotting sanctioned, mixer-linked, and scam crypto wallets before you send or accept a payment, using free tools and real 2024-2026 cases.

5 min read
A single orange wallet node on a dark grid, with one incoming transaction line traced back to a distant cluster of red-tinged nodes.
Compliance

Crypto Sanctions in 2026: What They Mean for You

OFAC and EU crypto sanctions hit ordinary users too. Here is your real exposure in 2026 and the simple habits that keep your wallet clean.

6 min read
A glowing orange coin frozen inside a block of dark ice against a black background.
Guides

Getting Paid in Crypto Without the Frozen-Funds Trap

How freelancers and small businesses can accept USDC and USDT without ending up with tainted or frozen stablecoins, plus a simple payer-screening workflow.

5 min read
wallet-security — Constatum blog – Constatum