A transfer log for moving crypto between exchanges and wallets in Singapore

Each exchange keeps a tidy history of its own deposits and withdrawals, and each wallet shows its own transactions. What none of them shows is the journey: that a withdrawal from one platform on a Tuesday is the same coins that arrived in a wallet and then moved to another exchange on Friday. When a bank, an accountant or you yourself ask where a balance came from, those journeys are what matter. A transfer log, kept as you go, takes a minute per move and saves hours of reconstruction.

Decide what one row should hold

Use one row per movement, not per platform. The columns that matter are the date and time with time zone, the sending platform or wallet, the receiving one, the coin, the network, the amount sent, the fee, the amount received and the transaction hash. Add a free-text note for the reason, such as moving savings to a hardware wallet or funding a trade. A spreadsheet works, and so does a plain notebook, as long as you use the same columns every time.

Fill the row at the moment of sending

The best time to log a transfer is while the withdrawal confirmation is still on screen. Copy the hash from the withdrawal history, write the fee shown, and leave the received amount blank. When the deposit arrives, fill in the received amount and arrival time. If those cells stay empty for longer than expected, the log itself tells you which transfer needs checking, and you already have the hash ready to look up on an explorer.

Handle internal transfers and conversions

Not every move touches a blockchain. Internal transfers between your own sub-accounts, or between users on the same exchange, have reference numbers instead of hashes; record those instead. If you convert one coin into another on the way, for example swapping before withdrawal, log the conversion as its own row with both coins and amounts. Mixing a swap and a transfer in a single row is the usual reason a log stops balancing.

Reconcile once a month

At the end of each month, download the deposit and withdrawal history from each exchange and compare it with your log. Every withdrawal should have a matching deposit somewhere, either on another platform or in a wallet you control. Any line without a partner is either a missing entry or a transfer that went to someone else, such as a payment, which deserves a clear note. Keep the monthly exports in a folder alongside the log and back both up.

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Scenario checkpoint

• Use one row per movement with date, from, to, coin, network, amounts, fee and hash.
• Fill the row while the withdrawal confirmation is still on screen.
• Record reference numbers for internal transfers that have no blockchain hash.
• Log conversions as separate rows rather than mixing them with transfers.
• Reconcile the log against exchange histories at the end of each month.