Best Crypto Tax Software for DeFi

For most people with a serious DeFi year, Koinly is the best value: it reads a very wide range of chains and protocols and produces the forms without a full-service price tag. If your year is genuinely complex — heavy DeFi plus margin or futures — or you'd rather a professional handled it, TokenTax is the stronger, pricier choice because it's also an accounting firm. This is general information for the 2025 tax year, US-focused, checked 10 September 2026, and not tax advice; DeFi is exactly where a professional is most worth it.

Why DeFi breaks ordinary tax tools

DeFi is hard for tax software because there's no exchange statement — the record lives on-chain, spread across wallets and protocols, in transactions that bundle several taxable events at once. A single DeFi interaction can involve a swap, a fee, and the receipt of a reward or a receipt token, each with its own tax treatment, and some of those treatments are genuinely unsettled, as our DeFi, staking and airdrop notes explain. A tool built mainly for centralised-exchange CSV imports will choke on this. What you need is a tool that connects by wallet address, recognises common protocols, and lets you review and correct how it classified the tricky ones.

Koinly — the broad-coverage pick

Koinly is the sensible default for a DeFi-heavy year because its coverage is broad and its price is reasonable. It connects to a long list of blockchains and wallets by public address, recognises many DeFi protocols and staking sources automatically, and lets you preview the whole picture for free before you pay to download. Expect to spend some time reviewing how it labelled the more exotic transactions — no tool gets every liquidity-pool or bridge event right unattended — but as a way to get most of a complex year reconciled without a specialist's bill, Koinly is hard to beat on value. Use the free preview specifically to check it reads every wallet you used before committing.

TokenTax — for heavy DeFi and margin

When the year is genuinely gnarly — dense DeFi combined with margin or futures trading, or simply more than you want to handle yourself — TokenTax is the stronger option, because it's not only software but a crypto-focused accounting firm. Its higher plans include tax professionals who reconcile and file for you, and it's built to handle the awkward cases that trip lighter tools up. The trade-off is cost: it's more expensive and has no true free report tier, so it's overkill for a simple year. But for a DeFi power user who values getting it right over getting it cheap, TokenTax buys expertise as well as software, which in complex DeFi is often the better deal.

What to check for DeFi specifically

Beyond the usual criteria in our general software ranking, DeFi adds a few specific checks. Does it support every chain you used, not just Ethereum? Does it recognise the specific protocols you touched, or will it dump them in as unknown transfers? Can you easily re-classify a transaction it got wrong, and does it handle staking and reward income cleanly? And crucially, use the free preview to confirm it actually reads your wallets before you pay — a tool that misses a chain will quietly produce a wrong number. Run those checks and you'll know within an hour whether a tool can handle your DeFi year.

When even the best tool needs a human

No tool removes the need for judgement in the genuinely grey areas of DeFi — whether an LP deposit is a taxable swap, how to treat wrapping and bridging, how to value a token with no real market. Software can organise the data and apply a consistent method, but it can't decide an unsettled legal question for you, and it can't take responsibility for the return. For a large or complex DeFi year, the right setup is often a tool to reconcile the raw data plus a crypto-savvy tax professional to review the treatment. That combination costs more than software alone, but far less than getting a high-volume return wrong. This is general information, not tax advice; confirm the current rules for your year and get professional help where the answer isn't clear.

Our bottom line

For a DeFi year that is broad but not extreme, start with Koinly and use its free preview to confirm it reads every wallet and chain you touched; for most people that combination of coverage and price is the sweet spot. Step up to TokenTax when the year is genuinely complex or you want professionals to handle it, and accept the higher cost as the price of getting a hard return right. Whichever you pick, budget time to review the tricky transactions and treat the software's output as a well-organised draft, not a verdict. If you want to see how these two sit against the wider field of tools, our full crypto tax software ranking scores every option on the same six factors — and, as everywhere on this site, none of it is tax advice, so confirm anything you're unsure of with a qualified professional and the current rules for your year.