Notes for crypto tax practitioners
Field notes on classifying on-chain transactions, reconciling unknown DeFi activity, and reading a crypto tax report the way an accountant would. Written for CPA firms and the taxpayers they work with.
Looking for a quick answer instead? Browse Crypto Tax Answers: direct, cited answers to common questions like is bridging taxable and are staking rewards taxable.
Why use CryptoTaxEdge instead of Claude, ChatGPT, or Grok?
Honest answer: the answer changes on 17.4% of hard DeFi transactions when asked twice, and a hash alone gets 1,164 of 1,164 refusals. Measured behavior, not a single-run accuracy score, decides it.
Read the guide → DevelopersGet the Tax Treatment of Any Crypto Transaction, Programmatically
One POST with a transaction hash returns the US tax treatment: category, taxable or not, confidence, and an honest review flag. The curl, the response, and what each field means.
Read the guide → DevelopersHow to Look Up Any On-Chain Transaction and Its Tax Treatment
Enter a transaction hash, find out what it was and what it means for taxes: block explorers, decoders, and classification engines compared, with a free way to do it in seconds.
Read the guide → DevelopersBest Crypto Tax Tools in 2026, by Job: Filing, Firm Workflows, and Classification
A working guide to the crypto tax stack in 2026: which tools file returns, which run firm workflows, and which classify what a transaction actually was - and how they fit together.
Read the guide → DevelopersHow to Classify DeFi Transactions for Form 8949: A CPA's Guide
A professional methodology for classifying DeFi transactions on Form 8949, covering swaps, liquidity pools, staking, bridges, and examination-ready documentation.
Read the guide → DevelopersUniswap V3 LP Position Tax Treatment: Complete CPA Reference
Comprehensive CPA reference for Uniswap V3 LP tax treatment: minting, fee collection, impermanent loss, NFT transfers, withdrawals, and Form 8949 reporting.
Read the guide → DevelopersWhy Your Crypto Tax Review Process Needs a Second Layer
Single-source crypto tax tools silently misclassify complex DeFi. Learn why CPAs need a multi-source verification layer to catch what Koinly, CoinLedger, and manual review miss.
Read the guide → DevelopersWhat you can build with the CryptoTaxEdge API and MCP
The on-chain decode and the US tax verdict, one call, with confidence, reasoning, and an honest review flag. The integration patterns this contract supports, from tax platforms to AI agents.
Read the guide → ReconciliationCrypto tax reconciliation: matching on-chain activity to your ledger
How the hash-by-hash match between the blockchain and your tax ledger works, the two ways a ledger drifts, and what a reconciled ledger looks like.
Read the guide → FundamentalsHow to read an on-chain transaction
A plain-language walk through hashes, logs, transfers, gas, and status, and which parts of a transaction matter for tax.
Read the guide → DeFiUnderstanding DeFi transactions: what actually happened on-chain
How to read the transfers, receipt tokens, and function calls in a DeFi transaction to tell what a wallet actually did.
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