Free guide · Francisco Arrieta · 9 min

See what your wallet address tells a stranger

Look up an address you own on a block explorer and read the history anyone else can already read

You gave someone an address so they could pay you. You also gave them a permanent, searchable record of everything that address has ever done.

The invoice went out, the client paid in USDC, the money arrived in about forty seconds. That part worked exactly as advertised, and it is the reason people start accepting crypto in the first place.

Then the address goes in your email signature, or a Telegram message, or the footer of an invoice template you reuse. It sits there looking like a bank account number. That comparison is the problem, because a bank account number tells whoever holds it almost nothing. They cannot see your balance. They cannot see who else paid you last month, or how much, or when.

A wallet address is not that. It is the index key to a public database that anyone can query, for free, with no login and no notification to you. The client who paid your invoice can open a block explorer, paste it in, and read your receipts back to your very first transaction.

Most people who accept crypto have never once looked at their own address from the outside. It takes about ten minutes and you cannot unsee it.

An address is not an account number. It is a search term.

Before you start

You need one address you control and have given to somebody else. Take it from where you actually sent it, an email or an invoice, not from your wallet app.

This guide uses Ethereum and Etherscan, because the account model is the worst case: your balance lives at one address and every transaction touches it again. Bitcoin behaves differently and there is a note on that at the end.

Step 1

Find the address you actually gave out

Open the email, message or invoice where you sent it. Copy it from there.

This matters more than it sounds. Wallet apps often hold several accounts, and the one showing in the app today may not be the one a client has had in their records since March. The exposure attaches to the address someone else is holding, so start from their copy, not yours.

If you have shared more than one, do this whole guide on each of them.

Step 2

Open it in a block explorer

Go to etherscan.io and paste the address into the search bar.

No account, no permission, no notification to you. That is not a gap in Etherscan, it is what a public ledger is.

The top of the page shows three things immediately:

ETH Balance
, the amount currently held
ETH Value
, what that is worth in dollars right now
Token Holdings
, a total value and a dropdown listing every ERC-20 token and NFT at that address, each with its own current price

Read that as a stranger would. Before they have scrolled once, they know what you hold and what it is worth.

Step 3

Read the history

Under the balance is a set of tabs. Two of them carry most of the information.

Transactions lists every transaction the address has ever made or received, from its first activity to the most recent, each with a timestamp and the address on the other side.

Token Transfers (ERC-20) lists every token movement, which on most business accounts means every stablecoin payment in and out.

Scroll to the bottom of the list, then look at the dates. The pattern is usually more revealing than any single row: how often money arrives, roughly what a normal payment is for you, whether the last few months look busier or quieter than the ones before. Somebody deciding what to quote you would find that useful.

Etherscan also has an Analytics view with charts of inflows and outflows over time, which is the same information with the work already done.

Step 4

Check the other chains, and your name

Two things extend the picture past the page you are looking at.

The same address exists on other chains. Your address is the same string on Polygon, Arbitrum, Base and the rest. Blockscan, Etherscan’s own multichain view, returns a consolidated summary of assets and transactions filtered by the chains you pick. One lookup covers every network you have touched.

An ENS name makes it searchable in the other direction. If you have set both forward and reverse resolution on a .eth name, Etherscan displays it as a Name Tag on your address page. This is convenient and it is exactly how a hex string stops being anonymous. If the name resembles your company or your handle, the address and the person are now joined in public, permanently, and searchable by name.

Check whether yours is set. Many people set it once for convenience and forgot.

Step 5

Do it from outside, and follow one hop

Open a private browsing window so nothing is signed in, and search the address again. This is what a stranger sees, with no tags you have saved and no session of your own.

Then take one counterparty address out of your transaction list, the one who paid you, and open that. You will get their balance, their holdings and their history, the same as they get yours.

Do this part rather than taking it on trust. Reading that the ledger is public is a fact you can nod along to. Opening the address of a client who paid you last month and seeing their balance is the thing that makes the rest of this guide land, and it takes ninety seconds.

Step 6

Give the next person a different address

You cannot remove what is already recorded. You can stop adding to it.

Create a second account in your wallet, most wallets do this from an accounts menu, and use it as the receiving address for the next client. Keep one address per relationship where it is practical.

On Ethereum this has to be deliberate. The account model reuses one address by default, so nothing rotates unless you rotate it. Bitcoin works the other way around: the standard advice there is a new receiving address for every payment you receive, which is why the same mistake is harder to make.

This reduces what any one person can see. It does not undo anything.

A boundary worth knowing about

Separate addresses only stay separate while they stay separate.

Send funds from one of your addresses to another and you have published the link between them, permanently, in the same ledger everything else is in. Anyone reading either address can now read both. The consolidation you do at the end of the quarter, moving everything into one place for accounting, is the single most common way carefully separated addresses get joined back together.

The version of this I would actually think about is the exchange step. Withdrawing to or depositing from an account that has your passport on file connects the chain history to your legal identity on the exchange’s side, and that record outlives your use of the service.

None of this makes separate addresses pointless. It means the benefit is real but conditional, and worth knowing before you rely on it.

One more, and it applies to the lookup this guide just asked you to do. Searching an address is itself a request, and the address is in the URL. Hosted explorers log that, and their policies are not the same as each other.

Etherscan, used throughout this guide, keeps raw webserver logs for at least five days with automated purging, and states it will not trade or sell personal data without consent. mempool.space deletes webserver logs after ten days. Blockchair holds IPs for one to two days, in clear or masked form.

WalletExplorer is the one to know about, because it is a Chainalysis site. Its own privacy notice says its servers record the requesting IP and the requested URL, which may contain a Bitcoin address, keeps visitor logs with no stated time limit, and shares visitor information with other Chainalysis business lines. That is documented by the operator, not alleged about it.

So the explorer is its own decision, separate from the one this guide is about. Read the address you are curious about on one whose policy you have actually looked at.

If you have staff

If the business receives crypto, the receiving address is a financial disclosure, and it is usually pasted into invoices by whoever is doing the invoicing that week.

Decide which address is the public one. Anyone holding it can see the timing and size of company revenue. That is not automatically a problem, but it should be a decision somebody made rather than a side effect of a template.

Keep the operating balance somewhere else. A receiving address that forwards on is a much smaller disclosure than one that accumulates.

The short version

  1. Get the address from where you sent it, not from your wallet.
  2. Paste it into etherscan.io. Read the balance and token holdings.
  3. Open Transactions and Token Transfers (ERC-20). Look at the dates, not just the rows.
  4. Check the same address on Blockscan, and whether you have an ENS name set.
  5. Repeat in a private window, then open one counterparty’s address. A private window hides nothing from the explorer, it only clears your own session.
  6. Use a fresh address for the next client, and do not move funds between them.

Sources

Written August 2026. UI labels checked against Etherscan’s information center on 23 August 2026.

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