Most crypto investors assume that if they can see their balance on an exchange or wallet, that is sufficient proof for tax purposes.
The reality is very different.
The Real Challenge
The challenge is not what you hold today, but whether you can clearly show how you got there. For many investors, the starting point is murky, with cash purchases, peer-to-peer trades, and transfers between wallets that were never properly tracked and in same cases may have occurred 7+ years ago.
Sam’s Story
One of our clients, Sam, came to us after years of active crypto trading. He had purchased tokens through a mix of exchange accounts, bank transfers, and even cash deals with friends. By the time he sat down with us, he had a precise ending balance across several wallets and exchanges, but his historical transactions did not align neatly. There was no single record that reconciled the flow in and out, and he was left wondering if IRD would ever accept the numbers.
Why Records Matter
We approached his situation the way you would approach a retail business. Imagine Briscoes operating their stores without an inventory system. Stock arrives from trucks, some of which is placed on the shelf, some is sold to customers, and some is damaged or stolen. Without records, the store has no idea what should be left on the shelves at the end of the day. Crypto portfolios can be exactly the same. Tokens move in and out of wallets, prices fluctuate wildly, and without proper tracking, it is almost impossible to show where everything came from.
Working With IRD
Sam was nervous that IRD would see the gaps in his records as evidence of avoidance. Instead, we helped him prepare a voluntary disclosure that acknowledged the imperfections, presented the strongest verified data we could support, and showed a clear line between the starting and ending balances. Crucially, he was willing to pay tax on the difference, even though he missed out on some deductions he could not evidence. This good-faith approach gave IRD comfort that he was not hiding anything and allowed the matter to be resolved.
The Lesson for Investors
The lesson here is that crypto reconciliation is rarely perfect. Even the most diligent investors will have missing wallet addresses, forgotten exchange accounts, or early trades that were not recorded properly. The cost of ignoring these gaps is far greater than the discomfort of addressing them. IRD does not expect perfection, but they do expect a story that makes sense and records that support it.
Take Action Now
For crypto investors, the action point is clear. Keep your records as if you were running a business. Document every purchase, transfer, and sale. Treat your portfolio like stock on shelves, with a clear record of what came in and what went out. If you are already behind, the best time to start is today.
Reconciling crypto is complex, but it does not have to be a nightmare. With the right approach, you can turn uncertainty into clarity and ensure that when IRD comes knocking, you have a story and numbers that stand up.
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Contact Us
Contact Tim Doyle for a call or meeting to discuss any cryptocurrency tax or accounting questions. Our office is in Cambridge, Waikato, or we can arrange a video conference call.
This material has been prepared for informational purposes only, and is not intended to provide, and should not be relied on for, tax, legal or accounting advice. You should consult your own tax, legal and accounting advisors before engaging in any transaction.


