1099-DA Crypto Broker Reporting: 2026 Compliance Guide

The IRS finalized regulations under T.D. 10000 in June 2024, and the first Form 1099-DA filing deadline for custodial brokers arrived February 28, 2026 (paper) and March 31, 2026 (electronic) — covering all 2025 digital asset transactions. If your platform facilitated crypto sales last year and you haven't filed, you're already late. The penalty clock started ticking at $310 per return, up to $3.78 million per filer under the 2026 inflation-adjusted schedule.

TL;DR

• Custodial brokers — centralized exchanges, hosted wallet providers, certain payment processors — must file Form 1099-DA for every 2025 digital asset sale or exchange.
• The IRS granted transitional relief on cost-basis reporting (Notice 2024-56, Notice 2024-57), but gross proceeds reporting is not optional for 2025.
• Decentralized protocol brokers face a separate, later compliance timeline; the DeFi broker rules under the 2024 final regs were vacated by Congress via CRA in March 2025.
• Backup withholding at 24% applies when customers fail to provide a valid TIN — and the IRS has signaled it will match 1099-DA data against Schedule D filings starting with 2025 returns.
• Non-custodial and DeFi platforms are not off the hook permanently; Treasury has signaled it will re-propose DeFi rules.

What This Regulation Actually Requires

Statutory Foundation

Section 80603 of the Infrastructure Investment and Jobs Act (2021) amended IRC §§ 6045 and 6045A to define "broker" to include "any person who (for consideration) is responsible for regularly providing any service effectuating transfers of digital assets on behalf of another person." Treasury translated that into final regulations published at 89 Fed. Reg. 56480 (July 9, 2024).

Who Is a "Broker" Under the Final Rules

The final regs create a tiered definition. A custodial broker holds the private keys or otherwise has custody of customer assets. This captures:

• Centralized exchanges (CEXs) operating in the U.S. or with U.S. customers
• Hosted wallet providers
• Certain kiosk operators
• Payment processors that convert digital assets to fiat on behalf of customers

A non-custodial broker — originally defined to include DeFi front-ends and certain software providers — was the subject of a separate rule finalized in December 2024. Congress used the Congressional Review Act to nullify those DeFi broker regulations in March 2025. That CRA resolution means Treasury cannot re-issue a substantially similar rule without new statutory authority, though the agency has indicated it views its existing authority as sufficient to try again with a narrower approach.

What Must Be Reported on Form 1099-DA

For 2025 transactions, custodial brokers must report:

Box 1a — Gross proceeds from each sale or exchange of a digital asset, reported per transaction (not aggregated annually).

Box 1b — Date of sale or disposition.

Box 2 — Whether the asset was held short-term or long-term (where determinable).

Boxes 3–5 — Cost basis, date acquired, and acquisition information. The IRS issued Notice 2024-56 providing transitional relief: brokers are not required to report cost basis for assets acquired before January 1, 2026, if the broker lacks that information. But if you have the data, you must report it.

Box 6 — Digital asset name and quantity sold.

Box 7 — Wash sale loss disallowance indicator (transitional relief applies here too; mandatory for 2026 tax year).

The form is filed with the IRS and furnished to the customer. The customer copy deadline was January 31, 2026.

The "Per-Transaction" Reporting Requirement

This is the detail that catches platforms off guard. Unlike traditional securities where a single 1099-B can aggregate annual proceeds, Form 1099-DA requires a separate entry — effectively a separate form or a separate line in a composite statement — for each disposition. A customer who made 4,000 trades in 2025 generates 4,000 reportable transactions. Your systems need to handle that volume.

Backup Withholding Mechanics

If a customer hasn't provided a valid TIN (via Form W-9 for U.S. persons or Form W-8 series for foreign persons), you must withhold 24% of gross proceeds before remitting to the customer. Withheld amounts go to the IRS via EFTPS. Failure to withhold when required creates a separate penalty exposure under IRC § 3406.

What This Means for Your Company

Centralized exchanges face the most immediate pressure. If you're a U.S.-registered exchange or a foreign exchange with U.S. customers, you were required to file by March 31, 2026 (electronic). Late filing penalties accrue daily. The IRS has not announced a general amnesty for 1099-DA, though it has historically offered first-year penalty relief for good-faith compliance efforts — that relief has not been formally extended to 1099-DA as of this writing.

Payment processors and fintech apps that allow users to buy, sell, or convert crypto need to assess whether they meet the broker definition. The "for consideration" and "regularly providing" thresholds matter. A platform that charges a spread or fee on crypto conversions almost certainly qualifies.

Crypto kiosk operators are explicitly named in the final regs. If you operate Bitcoin ATMs, you're a broker. The IRS has been active in this space: in 2024, it issued summonses to several kiosk operators as part of compliance initiatives.

Hosted wallet providers that don't facilitate trading may still qualify if they process transactions on behalf of users. The line between a pure custody service and a broker is fact-specific.

DeFi protocols and non-custodial wallet providers are currently outside the 1099-DA regime following the CRA resolution, but should monitor Treasury's next move closely.

How to Operationalize

Step 1: Confirm your broker classification. Map every product and service against the final reg's definition. Document the analysis. If you're borderline, get a written legal opinion now — not after an IRS inquiry.

Step 2: Audit your TIN collection process. Every U.S. customer needs a valid W-9 on file before you process their first transaction. Run a TIN matching check through the IRS TIN Matching Program for your existing customer base. Flag accounts with missing or unverified TINs and initiate backup withholding immediately.

Step 3: Assess your transaction data infrastructure. Can your systems produce a per-transaction record with gross proceeds, asset name, quantity, date, and (where available) cost basis? If you're relying on a third-party tax reporting vendor, confirm their 1099-DA schema is current with the final form instructions (Rev. Proc. 2024-28 and the 2025 form instructions).

Step 4: Implement cost-basis tracking for post-2025 acquisitions. The transitional relief on cost basis expires for assets acquired on or after January 1, 2026. Your systems must capture acquisition date and cost for every new purchase starting now. The default cost-basis method under the regs is First-In-First-Out (FIFO) unless the customer makes a specific identification election.

Step 5: File or correct outstanding 1099-DAs. If you missed the March 31, 2026 deadline, file as soon as possible. Voluntary late filing reduces penalties: returns filed within 30 days of the deadline incur $60/return; within August 1, $120/return; after August 1, $310/return (2026 figures). Intentional disregard carries $630/return with no cap.

Step 6: Establish a customer dispute and correction process. Customers will dispute transaction data. You need a documented workflow for issuing corrected 1099-DAs (Form 1099-DA with "CORRECTED" box checked) within a reasonable timeframe.

Step 7: Train your compliance and customer service teams. Customer-facing staff will receive questions about 1099-DA. They need to understand what the form reports, what it doesn't (unrealized gains, transfers between wallets), and when to escalate to compliance.

Common Mistakes and How to Avoid Them

Treating wallet-to-wallet transfers as reportable sales. A transfer of digital assets between two wallets owned by the same customer is not a sale. Reporting it as one generates incorrect 1099-DAs and triggers customer disputes. Your system logic must distinguish transfers from dispositions.

Ignoring the customer copy deadline. The IRS filing deadline (March 31 for electronic) is separate from the customer furnishing deadline (January 31). Missing the January 31 date is a separate penalty trigger under IRC § 6722.

Assuming the DeFi CRA resolution protects you permanently. The CRA bars Treasury from re-issuing a "substantially similar" rule — but Treasury has already signaled it views a narrower, revised rule as permissible. DeFi platforms should not treat the current reprieve as permanent.

Failing to account for staking rewards and airdrops. The 1099-DA covers dispositions. Staking rewards and airdrops are income events, not dispositions, and are reported on Form 1099-MISC or 1099-NEC depending on the facts. Conflating these creates both under-reporting and over-reporting errors.

Using FIFO by default without customer notification. If your platform defaults to FIFO for cost-basis allocation, customers need to know — and need the ability to make a specific identification election if they want to. Failure to offer or document this election can expose customers to higher tax liability and expose you to customer complaints and potential regulatory scrutiny.

Skipping foreign customer analysis. U.S. brokers serving non-U.S. customers must collect W-8 forms and determine whether FATCA reporting (Form 8966) applies. The 1099-DA obligation generally doesn't apply to foreign persons, but you need documentation to support that exemption.

FAQ

Q: We're a foreign exchange with some U.S. customers. Does 1099-DA apply to us?

A: Potentially yes. The broker definition in the final regs applies to any person "responsible for regularly providing" transaction services to U.S. persons, regardless of where the broker is incorporated. If you have U.S. customers and you're not a Qualified Intermediary under a separate IRS agreement, you likely have 1099-DA obligations. Foreign brokers with no U.S. nexus and no U.S. customers are generally outside the regime, but the analysis is fact-specific.

Q: What's the cost-basis default if a customer bought crypto before 2023 and we don't have acquisition data?

A: Under Notice 2024-56, brokers are not required to report cost basis for "pre-2026 assets" (assets acquired before January 1, 2026) if the broker doesn't have that information. You leave the cost-basis boxes blank and check the appropriate indicator. The customer is responsible for tracking their own basis for those assets. Starting with assets acquired January 1, 2026 and later, you must track and report basis.

Q: Does a crypto-to-crypto swap (e.g., ETH to USDC) trigger a 1099-DA?

A: Yes. Under IRC § 1001 and longstanding IRS guidance (Rev. Rul. 2023-14 addressed staking; Notice 2014-21 addressed crypto-to-crypto exchanges), swapping one digital asset for another is a taxable disposition. The broker must report the gross proceeds (fair market value of the asset received) on Form 1099-DA.

Q: We operate a DeFi protocol with no custody of user funds. Are we currently subject to 1099-DA?

A: No, not currently. The December 2024 DeFi broker rule was nullified by the Congressional Review Act resolution signed in March 2025. Custodial broker rules don't reach you if you genuinely have no custody or control over user assets. But monitor Treasury's next rulemaking — the agency has not abandoned the effort.

Q: What happens if a customer refuses to provide a TIN?

A: You must apply backup withholding at 24% on gross proceeds from that customer's transactions. You cannot simply decline to process transactions (though your terms of service may allow you to restrict service to unverified accounts). Withheld amounts are remitted to the IRS, and you file Form 945 annually to report aggregate backup withholding.

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Sources

• Treasury Decision 10000, 89 Fed. Reg. 56480 (July 9, 2024) — IRS.gov
• IRS Notice 2024-56 (transitional relief, cost basis reporting) — IRS.gov
• IRS Notice 2024-57 (transitional relief, wash sale reporting) — IRS.gov
• IRC §§ 6045, 6045A, 6722, 6724, 3406 — U.S. Code via Congress.gov

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Disclaimer

This article is provided for general informational and educational purposes only. It does not constitute legal, tax, or compliance advice and does not create an attorney-client or advisor-client relationship. Regulatory requirements change frequently; readers should consult qualified legal counsel and tax advisors regarding their specific facts and circumstances. BizLegal-AI makes no representations as to the completeness or accuracy of this content as applied to any particular situation.