Check an Ethereum address before you send

Paste any ETH address or contract to see its risk score, entity attribution, source of funds and counterparties. Works for wallets, smart contracts and token transfers on Ethereum mainnet.

Trusted by crypto users worldwide β€’ Bitcoin, Ethereum, BNB Chain and TRON

0x1234...5678bc1q66z5kush9zmkzqetf3fm99a8533deaq4rl93wf0xabc123...

Free Β· No account required Β· Ethereum (ETH)

What a Ethereum address looks like

Confirm the address you were given matches one of these shapes before sending. An address in a different format belongs to another network.

  • 0x… β€” 42 characters, hex
  • ENS names resolve to the same 0x address

What the check looks for on Ethereum

Every result includes a risk score, entity attribution, a source-of-funds breakdown and counterparties. These are the patterns that matter most on this chain.

Sanctioned protocol exposure

Ethereum hosts the mixing contracts most often named in sanctions designations. We report both direct interaction and indirect exposure through intermediate hops.

DPRK-linked exchange hacks

Funds from major exchange and bridge compromises are typically laundered through Ethereum first. We track known stolen-fund addresses and their downstream flow.

Approval and drainer contracts

Many losses on Ethereum come from signing a malicious approval rather than sending funds. Checking the contract address before approving is as important as checking a recipient.

How to read the result

Risk score

A 0–100 score split into direct exposure (the address itself) and indirect exposure (who it received from). A low score means no known indicators were found β€” not a guarantee of safety.

Entity attribution

Where an address can be linked to a known service β€” an exchange, a bridge, a merchant β€” the result names it and shows the confidence behind that label.

Source of funds

A breakdown of where the balance came from. This is reported separately from the address score, because clean behaviour funded by tainted money still carries risk.

Counterparties

The addresses it trades with most, with amounts and transaction counts, so you can judge whether the pattern matches what you were told.

Ethereum address checks β€” common questions

Can I check a smart contract, not just a wallet?

Yes. Contract addresses use the same 0x format and are analysed the same way, including who deployed them and which addresses interact with them.

Does this cover ERC-20 tokens like USDT and USDC?

Yes. Token transfers on Ethereum are included in the counterparty and source-of-funds analysis, not just native ETH movements.

Is the check free and anonymous?

Yes. No account, no API key, and we do not require you to connect a wallet. Checking an address does not expose your own address.