Learn how cryptocurrency is treated for tax purposes, which transactions are taxable, what records to keep, and how California reports crypto income.
Cryptocurrency is a type of digital asset designed to transfer value through cryptographically secured distributed-ledger technology. Bitcoin and ether are familiar examples. For U.S. federal tax purposes, cryptocurrency is generally treated as property, not as U.S. currency, so selling, exchanging, or spending it can create taxable income, gain, or loss.
Cryptocurrency is narrower than digital asset. The broader federal term can also include stablecoins, non-fungible tokens, and other digital representations of value recorded on qualifying technology.
Common reportable transactions include:
An exchange can be taxable even when no cash is received. If Jordan trades bitcoin worth $35,000 for ether, Jordan generally disposes of the bitcoin for $35,000 and acquires ether with a $35,000 starting cost, subject to transaction-cost rules. The $17,000 difference between the bitcoin's $35,000 amount realized and $18,000 adjusted basis is generally recognized gain.
Buying cryptocurrency with U.S. dollars and merely holding it generally does not create gain or loss. Transferring assets between wallets or accounts owned by the same taxpayer is generally not a disposition, although transaction fees, lost records, or a change in beneficial ownership require analysis. Bona fide gifts and inherited assets follow separate basis and reporting rules.
Cryptocurrency held as an investment is generally a capital asset. A sale produces short-term capital gain or loss when the holding period is one year or less and long-term capital gain or loss when held more than one year. The result equals amount realized minus adjusted basis.
Cryptocurrency received as compensation or business revenue is generally ordinary income measured at fair market value in U.S. dollars when received. That included amount generally becomes basis in the units. A later disposition creates a second calculation: capital or ordinary gain or loss depending on how the recipient held the asset.
Mining, staking, lending, liquidity pools, wrapped tokens, decentralized-finance arrangements, forks, airdrops, token launches, and NFTs can present questions beyond a basic sale. Labels used by a platform do not control the tax result. Taxpayers need the legal and economic facts, including when dominion and control arose and what property or services were exchanged.
Form 1040 asks whether the taxpayer received digital assets as a reward, award, or payment; received them through mining, staking, or a fork; or sold, exchanged, or otherwise disposed of a digital asset during the year. Current instructions determine the exact wording and yes/no rules.
Simply holding assets, transferring them between the taxpayer's own wallets, or buying them with U.S. dollars generally does not by itself require a "Yes" answer, but other activity during the same year can. Answering the question does not replace reporting income or dispositions elsewhere on the return.
Investment dispositions commonly flow through Form 8949 and Schedule D. Business receipts may appear on Schedule C, and compensation can appear on Form W-2 or an information return. Form 1099-MISC, Form 1099-NEC, Form 1099-K, Schedule K-1, or other statements may provide pieces of the activity.
Form 1099-DA now reports proceeds from certain broker digital-asset dispositions beginning with 2025 transactions. For sales after 2025, brokers generally report gross proceeds and must report basis for covered digital assets, while basis reporting for noncovered assets is generally voluntary. Not receiving a form does not excuse a transaction from the return.
Retain transaction-level dates and times, asset names and quantities, wallet addresses, transaction hashes, exchange statements, purchase price, fair market value in U.S. dollars, fees, acquisition source, disposition proceeds, lot identification, and holding period. Also keep records of wallet-to-wallet transfers so software does not misclassify them as sales or deposits with zero basis.
Export records before closing an account or losing access. Reconcile every platform, wallet, and blockchain rather than relying on one exchange's summary. Form 1099-DA may not contain basis for transferred or noncovered assets, and a broker may not see self-custody activity.
Federal law treats digital assets as property. Capital-asset rules generally apply to investors, while ordinary-income and self-employment rules can apply to services and businesses. Net capital losses are subject to Schedule D limits, and higher-income investors may owe Net Investment Income Tax.
California generally follows the federal property framework and taxes capital gains at regular California rates. It does not offer the federal preferential long-term capital-gain rate. California residents generally report worldwide cryptocurrency income and gains; nonresidents and part-year residents must analyze sourcing, especially for business activity and compensation.
Heath Income Tax can help reconcile cryptocurrency histories, calculate basis and holding periods, and report federal and California income and dispositions.
Do I owe tax when cryptocurrency rises in value?
Usually not merely because market value increased. Tax generally arises upon a sale, exchange, payment, or other recognition event, although certain receipts create ordinary income before a later sale.
Is exchanging bitcoin for ether taxable?
Generally yes. The bitcoin disposition is measured in U.S. dollars, and the ether receives a new basis determined under applicable cost and transaction-cost rules.
Is moving crypto to my hardware wallet taxable?
A transfer between wallets beneficially owned by the same taxpayer is generally not a sale. Preserve records showing ownership, quantities, fees, and the path of the transferred units.
The definitions and examples on this page are for informational purposes only and do not constitute tax advice. Tax laws change frequently and individual circumstances vary. Consult a qualified tax professional before making decisions based on this content.
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