Koinly 30% Off — The Tool That Reconstructs What Your 1099-DA Won't Report

 Form 1099-DA reports your gross proceeds to the IRS. It does not report cost basis — because the exchange filing it doesn't have basis for assets that moved between platforms. The IRS now holds one side of the ledger. Koinly reconstructs the other side: every wallet, every transfer, every cost basis preserved in an unbroken chain from original purchase to final disposal. The 30% discount is available now via the link below.



THE PROBLEM

The 1099-DA arrived in early 2026 for the 2025 tax year. For many investors, the cost basis field is blank. This is not a filing error. The exchange reporting your proceeds never held custody of what you paid — those assets moved in from another platform, another wallet, another year. The IRS now has a document showing what you received. It does not have a document showing what you paid. If you cannot provide that document yourself, the IRS may treat your cost basis as zero.

Tax attorneys have documented a case in which a proposed assessment of $85,000 was issued against an investor whose actual gain was $13,000. The investor was compliant. The discrepancy was a documentation gap: cost basis from a wallet migration that was never reconstructed. The assessment was corrected once the full history was produced. The reconstruction process cost considerably less than $72,000.

This is not a software bug. This is a structural feature of how decentralized finance intersects with a tax system that was not built for it.

WHY KOINLY SPECIFICALLY

When an asset moves from one wallet to another you control, it is not a disposal. It does not produce a taxable gain. Most platforms, however, see two separate events — an outflow and an inflow — and record them as a sale and a purchase at market price, erasing the original cost basis in the process. Koinly's Smart Transfer Matching identifies these paired movements across wallets you declare to the system, preserves the original acquisition price, and marks the event as an internal transfer. The cost basis chain remains intact.

When the 1099-DA arrives with a blank cost basis field, Koinly has already reconstructed the complete history — original purchase through every subsequent move — and can generate the reconciled documentation required to fill that gap.

"I imported wallets going back to 2017. Koinly matched the transfers automatically. What looked like $40,000 in unexplained gains turned out to be internal moves I'd long forgotten."

"The free plan let me see the full picture before I paid anything. By the time I downloaded the report, I already knew exactly what I owed."

The free plan tracks up to 10,000 transactions with full gains preview across all integrations. You see your number before you spend anything. The downloadable tax report — Form 8949, Schedule D, or the equivalent for your country — requires a paid plan. Most investors do not pay until the moment they are confident the work is done.

COMPETITIVE CONTEXT

The standard free tier across most crypto tax platforms caps transaction tracking between 250 and 1,000 entries. Koinly's free plan accommodates up to 10,000 transactions — a threshold that covers the majority of retail investors entirely, and gives high-volume users a complete picture of their liability before any payment decision. The practical implication: you are not buying a report on incomplete data.

Coverage extends to 140+ countries, with specialist tax output for 20+ jurisdictions — Form 8949 and Schedule D for US filers, HMRC Capital Gains Summary for UK filers, ATO myTax for Australia, CRA Schedule 3 for Canada. Most tools operate in one or two jurisdictions. For investors with accounts or residency across borders, this distinction is material.

For situations that exceed the scope of software — complex DeFi activity, disputed transactions, multi-year reconstructions — Koinly offers an Expert Review add-on: a human specialist audits your account before you file.

The discount is 30% off your first Koinly tax report, applied automatically at checkout through the affiliate link below. It applies to paid plans; the free plan remains free and requires no discount code to access.

Start on the free plan. Import your wallets and exchanges. Review your complete gain and loss picture. Upgrade when you are ready to download.

For complex filings — multi-year gaps, DeFi positions, cross-chain activity — the Expert Review add-on is available at quote-based pricing by complexity.

Click here to get Koinly - 30 % Off

The documentation gap costs more to fix than to prevent. The 30% discount applies at checkout. Start with the free plan, see your number, and decide from there.


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