Mapping Which Balances You Control and Which the Exchange Holds

Most people who hold crypto across several platforms cannot say, off the top of their head, which coins they actually control with their own keys and which ones exist only as an entry in a company's database. That confusion matters, because the two situations carry different risks and different recovery options. This guide gives you a repeatable way to map your own balances: what to look at inside each account, what to write down, and when to stop and check the help centre before acting. It is written for readers in Australia who want a clear picture before making withdrawal or security decisions. Nothing here is a recommendation to buy, sell or hold anything, and no exchange is described as safer than another.

Start with the three custody buckets

Before touching any settings, sort every balance you hold into one of three buckets. Bucket one is self-custody: assets held in a wallet where you control the private key or seed phrase, such as a hardware wallet or a software wallet you set up yourself. Bucket two is platform custody: assets sitting in an account on an exchange or app, shown in your balance but controlled by that company's systems, not by your keys. Bucket three is everything that is not a simple balance at all, such as funds tied up in an open position, a lending product, an earn subscription or a pending order.

The third bucket is where most mistakes happen, because the interface may show a single combined figure. A number labelled as part of your account can include collateral locked against a futures position, rewards that have not been settled, or tokens that are still technically on loan. If you cannot tell which of the three buckets a line belongs to, treat that line as unresolved and note it for later rather than guessing.

Write the bucket next to each holding in a plain document or spreadsheet on your own device. The goal is a one-page map you can reread in a month and still understand, listing the asset, the approximate quantity, the bucket, and the account or wallet it lives in. Do not store seed phrases or passwords in that same document.

Reading your account screen with custody in mind

Inside an exchange account, look for the wording that separates spot holdings from everything else. Spot balances are the closest thing to assets the company holds on your behalf in a straightforward way; margin, futures, earn and similar areas usually involve additional terms, and the help centre explains what happens to those balances in different situations. Open the support hub for the exchange you use and search for the specific product name shown on your screen, then read the section on how balances in that product are treated.

Check the funding or deposit address attached to each asset and confirm it matches the network you intend to use. A deposit sent on the wrong network is a common and sometimes permanent mistake, so verify the network label on both the sending and receiving side before you move anything. If the label is ambiguous, stop and look it up rather than proceeding on a hunch.

Record two things for every account: what the interface calls the balance, and what the help documentation says that balance represents. When those two descriptions do not match your expectation, that gap is the most useful information you will collect, because it tells you exactly which question to ask support before you rely on that balance.

Deciding what belongs in self-custody

There is no universal rule about how much to keep on a platform versus in your own wallet, and anyone who tells you otherwise is skipping over your personal circumstances. What you can do is make the decision deliberate. For each holding, ask whether you need it available for near-term activity on the exchange, and whether you would be able to recover it if you lost access to your account or the platform restricted withdrawals. If the answer to the second question is unclear, that is a signal to read the relevant help pages before adding to that balance.

Self-custody shifts the failure mode rather than removing it. You become responsible for backing up the seed phrase, storing it offline, and testing that your backup actually works before you need it. A common mistake is creating a wallet, moving funds in, and never verifying that the recovery phrase restores the same wallet on a second device. Test the restore process with a small amount first, and keep the backup somewhere separate from the device itself.

Also record the practical details that make future withdrawals easier: which network each asset uses, whether the exchange requires an address to be saved and confirmed before use, and whether any security settings such as two-factor authentication or an address allowlist are enabled on the account. These are settings you configure in the account area, and the help centre explains each one.

Keeping the map current and knowing when to stop

A custody map goes stale quickly. Balances change, products are added or closed, and a holding you classified as spot last month may now be committed to something else. Set a routine, such as the first weekend of each month, to reopen each account, compare what you see against your written map, and correct the differences. Note the date of each review so you can tell how old the document is.

Use the fee page for the exchange you are dealing with when you want to understand what a withdrawal or conversion would cost, and check the help centre when you want to understand how a balance is held or what a product does. Those are two different questions and they live on two different pages, so do not expect one to answer the other.

Stop and seek clarification from the platform's own support channels if you find a balance you cannot classify, a network label you do not recognise, or a withdrawal that behaves differently from what the documentation describes. Do not proceed on the assumption that a figure is withdrawable simply because it is displayed. If you are ever unsure whether you control an asset, the safe default is to treat it as platform custody until you have confirmed otherwise in writing.

Risk boundary: Australia Crypto Guide

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Scenario checkpoint

• List every asset you hold and mark each one as self-custody, platform custody, or tied up in a product or open position.
• For each platform balance, open the help centre and note what the documentation says that specific balance represents.
• Confirm the deposit and withdrawal network for each asset on both sides before moving anything.
• Verify that your wallet recovery phrase actually restores the wallet on a second device using a small test amount.
• Record which security settings are enabled on each account, including two-factor authentication and any address allowlist.
• Set a monthly review date to recheck balances against your written map and update anything that has changed.