Wallet check guide
Short articles on how the address check works and how to read the result.
How to check a USDT (TRC-20) address before you send
Step-by-step check of a USDT TRC-20 address: OFAC sanctions, Tether freeze, links to risky wallets and address behaviour. Free, no sign-up.
Updated October 13, 2026
What "address on Tether's blacklist" means, and whether frozen USDT can be recovered
How Tether freezes USDT, how to check whether an address is blacklisted, and why you must not send to a frozen wallet.
Updated October 13, 2026
Sanctioned crypto wallets: what the OFAC SDN list is and how addresses are checked
What the OFAC SDN list is, how crypto addresses end up on it, how EU, UK and UN lists differ, and how to check an address against them for free.
Updated October 13, 2026
Why "low risk" does not mean "clean address"
How to read a crypto address risk score, why a scammer's new wallet looks clean, and what to do when the check finds nothing.
Updated October 13, 2026