US Crypto Tax Rules 2026 — How IRS Taxes Bitcoin and Ethereum

Starting January 1, 2026, U.S. Crypto investors face new IRS rules that change how Bitcoin, Ethereum, and other digital assets are taxed. Centralized exchanges must report the cost basis of every trade, making it easier for the IRS to track gains and losses. Here’s what you need to know to prepare.

Overview of 2026 Crypto Tax Rules

Beginning January 1, 2026, centralized crypto exchanges operating in the United States will be required to report both the purchase price (cost basis) and the sale price for every digital asset transaction. This marks a big shift from current reporting rules, where exchanges only report gross proceeds from sales without providing cost basis information. The new requirement is part of the 2021 Infrastructure Investment and Jobs Act, which aims to tighten crypto tax compliance and reduce underreporting of crypto gains.

Under the new rules, exchanges like Coinbase, Kraken, Binance.US, and Gemini will have to send Form 1099-B to both the IRS and taxpayers, detailing each transaction’s proceeds and cost basis. This will allow the IRS to more easily verify the accuracy of reported gains and losses on individual tax returns. The change will apply to all cryptocurrencies traded on centralized platforms, including Bitcoin (BTC), Ethereum (ETH), XRP, stablecoins like USDC, and many altcoins.

Currently, many exchanges issue Form 1099-K or 1099-DA, which only report gross sales or distributions. This often leaves taxpayers responsible for tracking their own cost basis, which can be complicated if assets were acquired at different times or through multiple wallets. Starting 2026, the IRS will have a clearer view of each investor’s taxable gains, increasing the likelihood of audits and enforcement.

Also, the new rules may also apply to decentralized exchange transactions if those platforms integrate with centralized reporting systems, though this is still evolving. For now, the focus is primarily on centralized exchanges.

Step-by-Step Guide to Understanding and Preparing for 2026 Crypto Taxes

1. Know When You Owe Taxes on Crypto

You owe taxes whenever you sell cryptocurrency for more than you paid or when you exchange one crypto for another. For example, if you trade Bitcoin for Ethereum, that swap is considered a taxable event if the value of Bitcoin has changed since you acquired it. The IRS treats cryptocurrencies as property, so each disposal triggers potential capital gains or losses.

It’s important to note that you don’t owe taxes at the moment of the transaction itself. Instead, you report gains or losses on your annual tax return for the year when the transaction took place. For instance, if you sold crypto in June 2026, you’ll report that on your 2026 tax return filed by April 15, 2027.

Other taxable events include using crypto to pay for goods or services, converting crypto to cash, and receiving certain types of crypto income, like staking rewards or airdrops, which may be taxed differently.

2. Understand Short-Term vs. Long-Term Capital Gains

The length of time you hold your crypto before selling or trading it determines your tax rate. If you hold crypto for one year or less before disposing of it, your gains are short-term and taxed at your ordinary income tax rates. These rates range from 10% to 37% depending on your total taxable income for the year.

On the other hand, if you hold your crypto for more than one year before selling or trading, your gains qualify as long-term capital gains. Long-term rates are generally lower — 0%, 15%, or 20% — again depending on your taxable income. For example, single filers with taxable income up to $44,625 in 2023 pay 0% on long-term gains, while those earning above $492,300 pay 20%.

High earners may also face an additional 3.8% net investment income tax (NIIT) on investment income, including crypto gains. This tax applies if your modified adjusted gross income exceeds $200,000 for single filers or $250,000 for married filing jointly.

3. Take Advantage of the 2025 Reporting Window

Until December 31, 2025, centralized exchanges will continue reporting only gross proceeds from crypto sales, without cost basis. This means taxpayers still have some flexibility to choose which cost basis method to apply when calculating gains or losses, especially if they traded crypto across multiple wallets or platforms.

You can use cost basis methods like FIFO (first-in, first-out), LIFO (last-in, first-out), specific identification, or average cost, depending on your situation and recordkeeping. Choosing the right method can help minimize your tax liability. For example, specific identification lets you pick which coins you sold to optimize gains or losses.

But starting 2026, exchanges’ reporting of cost basis will limit the ability to pick and choose, as the IRS will have matching data. That means it’s crucial to organize your crypto transaction history now and maintain detailed records of purchase dates and amounts.

4. Keep Detailed Records of All Crypto Transactions

Accurate recordkeeping is essential for tax compliance. Keep track of every buy, sell, trade, and crypto payment, including dates, amounts, transaction fees, and the value of crypto in USD at the time of the transaction. Using crypto tax software or spreadsheets can help.

IRS guidance requires you to report gains or losses in U.S. Dollars, so you’ll need historical price data for each transaction. This is especially important if you received crypto from forks, airdrops, or mining, which have specific tax rules.

5. File the Correct IRS Forms

When you file your tax return, you’ll report crypto gains and losses on IRS Form 8949 and Schedule D. Form 8949 lists individual transactions, while Schedule D summarizes overall capital gains or losses.

If you received crypto as income — from mining, staking, or payments — you must report that as ordinary income on Form 1040, Schedule 1 or Schedule C if you’re self-employed.

Starting in 2026, expect to receive Form 1099-B from exchanges with detailed transaction information. This form is similar to those used for stocks and will help you complete your tax return accurately.

Tips to Prepare for the 2026 Crypto Tax Changes

• Start organizing your crypto transaction history now, including transfers between wallets and platforms.
• Use reputable crypto tax software that integrates with major exchanges to track cost basis and generate tax reports.
• Consult a tax professional experienced with cryptocurrency to optimize your tax strategy and ensure compliance.
• Be mindful of wash sale rules — though currently unclear for crypto, legislation may update these rules in the future.
• Stay updated on IRS guidance as 2026 approaches, since rules may evolve.

Common Mistakes to Avoid

• Failing to report all taxable crypto transactions, including trades and payments.
• Ignoring the difference between short-term and long-term gains, leading to incorrect tax rates.
• Relying solely on exchange-provided data without maintaining your own records.
• Using inconsistent cost basis methods across different transactions or years.
• Missing deadlines for filing or paying crypto taxes, which can result in penalties and interest.

2026 brings big changes to how the IRS taxes Bitcoin, Ethereum, and other cryptocurrencies. Exchanges will report cost basis, making your crypto gains more transparent to the IRS. That means you need to be ready with accurate records and a clear understanding of how your transactions are taxed. Start preparing now to avoid surprises during tax season.