Crypto card USA tax guide 2026: vault yield, collateral loans and IRS rules

A note on what I do and do not cover here

I am not a CPA and I am not a US tax resident, so this guide is a primary-source aggregator rather than personal advice. What I do is read the IRS publications, the Form 8949 instructions, the relevant TIGTA reports on crypto enforcement, and the public guidance from the major US crypto tax tools. Where those sources disagree I quote both and explain the disagreement. Where the IRS has not published a position, I say so.

If you owe US tax on crypto card spending, talk to a CPA who works on crypto. There is a real difference between the rules as written and the rules as enforced, and a CPA who has filed a few hundred crypto returns is going to know things I cannot read off a publication. The value of this guide is in pulling the primary sources into one place so you can hand them to your CPA and get a faster, less-confused conversation.

How the IRS views crypto card spending

Since IRS Notice 2014-21, cryptocurrency has been treated as property, not currency, for federal tax purposes. That one classification drives every tax consequence of using a crypto card.

When you swipe a crypto card at a coffee shop, the IRS doesn't see a "payment." It sees you selling property (your crypto) for its fair market value (the coffee price in USD), and then using those proceeds to buy coffee. Two transactions, collapsed into one tap.

This means every card transaction generates a capital gain or loss: the difference between what you paid for the crypto (your cost basis) and what it was worth when you spent it (the fair market value at disposal). If ETH cost you $2,000 and it's worth $3,500 when you swipe, you have a $1,500 gain per ETH spent, regardless of whether you wanted to "sell" or just buy groceries.

Short-term vs long-term rates

If you hold crypto for more than one year before spending it through a card, you could pay 0% federal tax on the gain (for taxable income up to $49,450 single / $98,900 MFJ in 2026, per Rev. Proc. 2025-32). Holding period is the most effective tax lever for crypto card users.

Every swipe is a taxable event

When you spend $100 at a store with a crypto card like Crypto.com Visa or the Coinbase Card, this happens:

1. You tap the card at the register for a $100 purchase
2. The card issuer sells $100 worth of your crypto (e.g., 0.0286 ETH at $3,500/ETH)
3. The issuer settles $100 in USD with Visa/Mastercard
4. Visa/Mastercard pays the merchant

Step 2 is the taxable event. You disposed of 0.0286 ETH. If your cost basis for those specific units was $2,000/ETH, the math looks like this:

There are two ways around it: spend stablecoins (near-zero gain) or borrow against collateral (no disposal). Both are covered below.

How vault yield and staking APR are taxed

Many crypto card platforms pair the card with a yield product. You deposit crypto into a vault, staking pool, or earn strategy and collect APR. Tria shows the gap between the tile and the tax return well, even though its international card is not open to US citizens. Its in-app tile for AUSD on Monad showed up to 22.17% APY on 28 July 2026, 9.41% on 27 August and 9.38% on 30 September 2026. That yield lives in separate self-custodial Earn strategies, not on the card itself (the card is a 0% APR credit product). A 117-day AUSD position we tracked returned about 4.8% annualised, and the IRS taxes what you actually received, not the advertised rate. Ether.fi's weETH staking yield works the same way, and the IRS wants its share of both.

Revenue Ruling 2023-14 on staking rewards

In July 2023, the IRS clarified in Rev. Rul. 2023-14 that staking rewards are taxed as ordinary income at the fair market value when the taxpayer gains "dominion and control" over the tokens. The ruling is narrower than it is often quoted:

• It covers proof-of-stake staking rewards (ETH, SOL, ADA and the like) received by a cash-method taxpayer
• It does not name DeFi lending interest (Aave, Compound, Ether.fi vaults), liquidity pool rewards or restaking rewards; treating those as ordinary income on receipt is the conservative reading, not a ruling
• weETH appreciation is a separate open question, covered below

Two layers of tax on yield tokens

Yield tokens face two layers of tax:

weETH and other non-rebasing tokens

Ether.fi's weETH is a non-rebasing wrapper. Its price relative to ETH increases over time as staking yield accrues, rather than minting new tokens. The IRS has not issued specific guidance on non-rebasing yield tokens. Two conservative interpretations exist:

• Income on accrual: The increase in weETH value relative to ETH is ordinary income as it accrues (daily/block-by-block). This is the strictest interpretation and creates a record-keeping nightmare.
• Income on realization: The yield is only taxable when you unwrap weETH to ETH, sell, or spend. This is the simpler approach and more aligned with how the IRS treats unrealized gains generally.

Absent IRS guidance, one defensible approach is to treat weETH yield as income at the point of disposal (unwrapping, selling, or spending). Track your original cost basis for the underlying ETH and report the full difference as a combination of staking income and capital gains when you dispose. Document your method and apply it consistently.

Borrowing against crypto: the Ether.fi model

This is the tax strategy that separates cards like Ether.fi Cash from other crypto cards. Instead of selling your crypto to spend, you borrow stablecoins against your crypto collateral and spend those borrowed funds.

How the loan funds the card

1. You deposit 10 ETH ($35,000) into your Ether.fi vault as collateral
2. You borrow USDC against that collateral at, say, 50% LTV = $17,500 USDC
3. The borrowed USDC loads onto your Ether.fi Cash Visa card
4. You spend the USDC via the card (the card converts USDC → USD at the point of sale)
5. Your 10 ETH remains untouched, still earning weETH staking yield
6. You owe interest on the borrowed USDC at a variable rate; the issuer publishes no number (help centre, 20 August 2026)

Why this may not be a taxable event

Under current US tax law, taking a loan is not a realization event. You haven't sold your ETH. You haven't exchanged it for another asset. You've pledged it as collateral, similar to taking a home equity loan against your house. The IRS doesn't tax you when you take out a mortgage.

Which steps are taxable:

The legal gray area

The IRS has not issued specific guidance on DeFi collateral loans. The "loan is not a taxable event" principle comes from traditional tax law (securities margin loans, mortgage lending). Applying it to crypto-collateralized loans is an inference, and the IRS could take a different position.

Potential risks:

• Constructive sale doctrine: IRC §1259 is sometimes raised in crypto-loan debates, but as written it applies to positions in stock, debt instruments and partnership interests, and it is triggered by hedges such as a short sale or a forward contract, not by borrowing. A plain loan against crypto at 50% LTV is not one of the listed transactions.
• Token swap argument: If the DeFi protocol technically swaps your ETH for a wrapped collateral token (e.g., aETH, cETH), the IRS could argue this is a taxable exchange. Ether.fi keeps the collateral in a smart-contract vault you control, so the loan itself swaps nothing. Turning ETH into weETH to earn staking yield is a separate exchange, and whether that one is taxable is itself unsettled.
• Future legislation: none of the crypto tax bills has become law as of 25 September 2026. The furthest along is H.R. 10357, the Digital Asset Tax Certainty Act, which the House Ways and Means Committee advanced 38 to 5 on 16 September 2026. Its $10 exemption covers crypto used to pay network or transaction fees of $10 or less, not purchases, so a card swipe would still be a disposal. It still needs votes in the full House and the Senate, so nothing in this guide changes yet.

Liquidated collateral is a taxable sale

Liquidation is the main risk in collateral lending. If ETH drops far enough that your loan-to-value ratio passes the lending market's liquidation threshold, your collateral is forcibly sold to repay the loan. The example assumes a threshold of 85%.

Liquidation = forced disposal = taxable event.

Keep the LTV ratio at or below 50% and check the collateral ratio yourself: Ether.fi's help centre defines a Health Factor at or below 1.00 as the point where the position can be liquidated, and the lending market does not wait for you to notice.

Spending stablecoins: near-zero gain, still reportable

Spending USDC or USDT via a crypto card is the simplest tax strategy: you acquired the stablecoin at ~$1.00 and spend it at ~$1.00, so your gain is $0.00 (or close to it).

But you still must report it. Every USDC → USD conversion is technically a disposal of property. Form 8949 requires an entry. This can generate hundreds of line items per year for active card users.

When stablecoin gains are not zero

• Depeg events: If you bought USDC during the March 2023 Circle/SVB depeg at $0.87 and later spend it at $1.00, you have a $0.13/unit gain, which is taxable.
• Yield-bearing stablecoins: If you earn USDC yield (e.g., via Aave or Compound) and never record it as income, tax software sees those units arrive with no basis and reports a full $1.00/unit gain when you spend them. Record the yield as income at receipt, which gives each unit a $1.00 basis, and the gain on spending goes back to zero.
• Crypto-to-stablecoin conversion: When you sell ETH for USDC, that initial conversion is already a taxable event. The subsequent USDC spending has a near-zero gain because your cost basis is ~$1.00.

Keep earned-yield USDC and purchased USDC in separate wallets or sub-accounts. Cost basis tracking gets simpler, and you stop spending $0-basis yield tokens by accident.

When crypto cashback is taxable

This is one of the murkier areas in crypto tax. The IRS has not issued definitive guidance on crypto cashback. The table shows how different card models are likely treated:

The traditional credit card analogy: Chase Freedom cashback is not taxed because it's classified as a purchase price adjustment (rebate). The IRS likely extends this logic to crypto cashback earned directly from purchases. But when cashback is paid from a separate pool (DeFi yield, staking rewards), it looks more like income.

Cost basis methods: FIFO, HIFO and Specific ID

Which units you are treated as spending when you pay by card changes the tax on the same swipe: in the example below, one $500 purchase costs $42.86 under FIFO and $10.29 under HIFO. From 1 January 2025 the regulations allow two methods: FIFO and specific identification. LIFO and HIFO are lot-picking strategies you carry out through specific identification, with adequate records made before the sale:

Once you choose a method, apply it consistently. The IRS can challenge you if you switch between FIFO and HIFO opportunistically within the same tax year without using Specific ID as your stated method.

Worked example: a full year with the Ether.fi Cash card

To see how these rules interact, consider Alex, a US taxpayer with the following setup:

• Holds 10 ETH (cost basis: $2,200/ETH, purchased in 2024, so every 2026 disposal is long-term)
• Deposits 10 ETH into Ether.fi vault (assumed ~4% staking yield as weETH)
• Borrows USDC against the collateral as he spends, so the loan climbs from $0 to $24,000 by December (about 63% LTV at $3,800, above the 50% this guide recommends; in practice Alex would repay part of it during the year)
• Spends $2,000/month via Ether.fi Cash card
• Receives 3% cashback in ETHFI (Core tier, first $2,000 a month)
• Tax bracket: 24% federal (single, ~$100K income)
• ETH average price during 2026: $3,800

Alex's tax events for 2026

If Alex had spent ETH directly, with no loan

The borrow-and-spend model saves Alex $1,516/year in capital gains tax, at the cost of $480 in loan interest. Net savings: $1,036/year. Alex also still holds all 10 ETH, which means any future price appreciation stays in play.

IRS forms and reporting requirements

These are the forms you need to file as a crypto card user:

Form 1099-DA, the new broker reporting rule

Under the Infrastructure Investment and Jobs Act, "brokers" (exchanges and card issuers) must issue Form 1099-DA to both you and the IRS. Gross proceeds reporting applies from tax year 2025, so the first forms went out in early 2026, and the cost basis layer is added for tax year 2026. The companion rule that would have treated DeFi front-ends as brokers (T.D. 10021) was repealed on April 10, 2025, when H.J.Res.25 was signed under the Congressional Review Act, which also blocks the IRS from reissuing it in substantially the same form. This means:

• A custodial card issuer that counts as a broker reports your disposals, with two thresholds: a payment processor need not report card sales that total $600 or less in a year, and under the optional stablecoin method, stablecoin sales need not be reported until they pass $10,000 in a year (IRS Instructions for Form 1099-DA)
• Where a 1099-DA is filed, the IRS can match it against your return
• Cost basis may or may not be reported, and small or stablecoin-only spending may not be reported at all, so you're still responsible for your own records
• DeFi-native cards (Ether.fi, MetaMask) are unlikely to send you a 1099-DA now that the DeFi broker rule is repealed; you still have to self-report every disposal

State-level crypto tax

Federal taxes are only part of the picture. Most states tax crypto gains as ordinary income at the state level, even when the gain is long-term federally.

Effective top tax rate by state on long-term crypto gains

Combined federal + NIIT + state for a single filer in the top federal bracket (federal long-term 20% + NIIT 3.8% = 23.8% baseline, plus state).

A California resident in the top bracket could face 20% federal + 3.8% NIIT + 13.3% state = 37.1% total tax on long-term crypto card gains. In Texas or Florida the same gain is taxed at 23.8%. On $50,000 of gains over a year that's a $6,650 difference. None of this changes federal reporting obligations, just the rate.

Washington State complicates things further. It has no general income tax, but since 2022 it has taxed long-term capital gains above its standard deduction ($278,000 in 2025) at 7%. Since 1 January 2025 gains above $1M pay an additional 2.9% (total 9.9%). So a Washington crypto card user above the deduction faces 23.8% federal + 7% state = 30.8%, and above $1M the combined rate hits 33.7%.

Common mistakes that draw IRS attention

1. Not reporting small card transactions. Every $5 coffee paid with ETH is a taxable event. The IRS now receives Form 1099-DA data and can match against your return.
2. Treating loans as non-events without documentation. If you borrow against crypto, keep records proving it was a loan (smart contract addresses, terms, interest payments), not a sale.
3. Ignoring staking yield. Revenue Ruling 2023-14 is clear: staking yield is income. Not reporting it is underreporting income.
4. Switching cost basis methods mid-year. Pick FIFO or Specific ID (LIFO and HIFO are ways of choosing lots under Specific ID) and stick with it. Inconsistency is a red flag.
5. Not tracking cost basis for cashback tokens. If your cashback arrives in a volatile token like CRO and you later spend it, you need to know your basis to calculate the gain.
6. Ignoring the Form 1040 digital asset checkbox. Checking "No" when you used a crypto card is a false statement on a federal tax return.
7. Assuming DeFi is invisible. Blockchain transactions are public and permanent. On-chain analytics companies (Chainalysis, TRM Labs) work with the IRS.

Tax software for crypto card users

Koinly has the best DeFi and wallet detection of the four for crypto card users: it imports on-chain transactions automatically and supports Ether.fi, Aave, and other DeFi protocols. CoinTracker is the better choice if you file through TurboTax. Neither is an affiliate link; Sweepbase earns nothing from either pick. TaxBit, which older lists still include, closed its consumer product in 2023 to serve businesses only.

Frequently asked questions