IRS Letter 6290: Crypto Tax Guide & Next Steps
IRS (Internal Revenue Service) Letter 6290 landed? Take a breath. You’re not the only one whose 12 ETH (Ether) to your child or an NFT moved wallets raised flags. 6290 asks for clarity on gifts and estates—who, when, and fair market value. In 10 days, we’ll help you map wallets, value assets, and draft Form 709 (U.S. gift tax return)—with scripts and mistakes to avoid. Want backup? Grab our checklist or book 15‑minute triage—and we’ll unpack what 6290 means.
Led by Certified Public Accountants (CPAs) and Big 4 accountants, we built Digital Asset Reconciliation (DAR) to untangle complex wallets. We’ve reconciled hundreds of crypto portfolios and delivered IRS‑ready reports, valuation memos, and Form 709 packages that close cases fast.
What IRS Letter 6290 Means for Gifts, Estates, and Crypto
To build the IRS‑ready packet we talked about, you first need to know what 6290 asks. IRS (Internal Revenue Service) Letter 6290 is estate and gift tax outreach that invites you to document or correct gifts and transfers. It isn’t a full audit. It is time‑sensitive. The IRS wants who gave what, to whom, when, and for how much (fair market value, or FMV). Example: a $95,000 token transfer to a sibling with no Form 709.
Most letters give you about 20–30 days from the notice date to reply. Expect a request for records, not a bill: a cover explanation, transaction details, valuation method, and any filed or missing Form 709 (U.S. gift tax return). If something’s unclear, call the number on the letter, note the agent’s name, and ask what would fully resolve it. You can often secure a short extension if you ask early.
Crypto shows up because wallet‑to‑wallet gifts of BTC (Bitcoin), ETH (Ether), tokens, or NFTs (non‑fungible tokens) look like big transfers. Estate wallets raise similar questions at death. The IRS needs FMV on the date and time, plus proof it was a gift—not a sale or self‑transfer. Gaps happen when CEX (centralized exchange) or DEX (decentralized exchange) exports miss bridges or staking. Example: 12 ETH to a child without documentation.
IRS letter programs evolve. Always confirm the text on your notice. This is general information, not legal or tax advice. Deadlines and instructions in your specific letter control. When in doubt, call the IRS number on the page or consult your advisor.
Compare Letter 6290 vs other IRS crypto notices
Since your exact notice controls, here’s how 6290 compares to other common IRS letters. Match yours, see the purpose, and pick the right response so you don’t overreact—or miss a deadline.
| Letter/Notice | Primary Purpose | Common Crypto Tie-in | Response Needed | Risk if Ignored |
|---|---|---|---|---|
| Letter 6290 | Voluntary compliance for gift and estate reporting issues | Crypto or NFT gifts; valuation gaps; transfers to trusts | Provide records; draft or amend Form 709 (gift tax return) | Elevated scrutiny; potential audit or follow-up questions |
| Letter 6173 | Income underreporting inquiry for crypto activity | Exchange data shows unreported income or sales | Detailed response; amend Form 1040 (individual return) / 8949 (sales) if needed | High chance of examination referral if ignored |
| Letter 6174 / 6174-A | Educational or soft outreach on crypto compliance | General awareness; reminder of reporting duties | No reply required; consider amending prior returns | Future mismatch risk if third-party data surfaces |
| CP2000 (underreporter notice) | Underreporter from third‑party information returns | 1099‑B (broker) / 1099‑MISC (misc income) mismatch | Respond agreeing or explaining; amend return if needed | Assessment and penalties if no response |
| Letter 525 / 3219 | Examination or Statutory Notice of Deficiency | Audit stage; proposed crypto income or basis changes | Formal defense with workpapers, valuation, and substantiation | Tax assessed; petition deadlines in U.S. Tax Court |
Why crypto activity triggers IRS Letter 6290
You gifted $200,000 of ETH (Ether) to your adult child, never filed Form 709, and now the IRS wants details. Or you moved a high‑value NFT into a family trust with no appraisal or valuation memo. Maybe a parent passed, wallets weren’t inventoried, and estate schedules omitted tokens. We see these exact patterns weekly. They’re fixable with clean documentation, timestamps, and a defensible valuation method.
You bridged assets from Ethereum to Solana, then gifted from a new wallet, so your exchange export shows nothing. You sent USDC (USD Coin) to a non‑citizen spouse above the annual limit. An exchange’s KYC (Know Your Customer) records tie you to both wallets. A multisig signer moved funds that look like a gift, but it was a loan. Or you airdropped tokens to grandchildren without Generation‑Skipping Transfer (GST) notes.
The IRS flags specific patterns when digital assets move between parties. Use this list to pinpoint what triggered your 6290.
- High-value gifts exceeding annual exclusion across wallets/exchanges
- Fair market value not documented at exact date/time of gift
- Transfers to irrevocable trusts or to non-spouse donees without Form 709
- Executor did not inventory wallets for estate reporting
- On-chain transfers implying gifts with no matching filings
- Exchange KYC trails contradicting reported positions
What ignoring 6290 or guessing your response can cost you
Silence or a sloppy packet often escalates to an exam (audit). That invites accuracy‑related penalties, late‑filing penalties for Form 709, and expanded requests. Without adequate disclosure, the statute of limitations may stay open for years. Agents then ask for wallet control proofs, valuations, and basis trails you no longer have handy—driving up hours and fees. If gift or GST tax is due, interest starts accruing from the original due date. None of this is fatal. It’s just costly when avoidable.
Deadlines run fast—often 20–30 days from the notice date. Guessing at values or omitting hashes forces back‑and‑forth that burns your clock and leverage. Extensions are easier to secure before the deadline, not after. We coach clients to call early, log the conversation, and ask exactly what resolves the case. A tight, defensible package usually stops escalation cold. That’s the goal of the next section’s 10‑day plan.
Quick‑scan risks to keep top of mind:
- Higher audit probability and broader document requests
- Penalties and interest if gift/estate tax is due
- Loss of negotiating leverage and time to prepare
- Complications for future years due to basis/reporting gaps
Your 10‑Day Plan to Resolve IRS Letter 6290
Those basis and reporting gaps you just saw? Let’s close them fast with a 10‑day plan: stabilize, gather facts, quantify fair market value (FMV), decide filings, and assemble a clean response—while verifying Taxpayer Identification Numbers (TINs) and deadlines.
- Day 1–2: Read the letter; calendar deadline; photograph the envelope and letter; note requested items
- Day 1–3: Inventory wallets/exchanges; export transaction histories; identify gift/transfer dates
- Day 2–4: Determine FMV at exact gift/death timestamps; document pricing sources; note time zone
- Day 3–5: Decide filings: delinquent or amended Form 709; estate return updates if applicable
- Day 4–6: Draft response letter with attachments index; map each IRS request to evidence
- Day 6–8: Prepare Form 709 package; gift-splitting election if applicable; verify TINs and addresses
- Day 7–9: Quality review using a checklist; create a PDF binder; prepare certified mail/IRS fax
- Day 9–10: Send response; retain proof of mailing; set follow-up reminders
Lock down evidence like an audit chain-of-custody: save exchange and wallet exports as PDFs and CSVs, note software versions and any APIs used, timestamp everything, and restrict edits. Keep immutable copies in read‑only storage with a checksum or hash log.
Build a persuasive IRS response package
Your file should let the agent trace every dollar from letter request to source data. Include a tight summary up front and exhibits that prove timing, valuation, and ownership, so numbers reconcile without follow‑up emails.
- Cover letter summarizing facts, issues, and requested relief
- Attachment index mapping exhibits to letter requests
- FMV schedules by asset with timestamped sources
- Form 709 (draft or filed) and any amended returns
- Wallet inventory, addresses, and on-chain links as applicable
- Narrative memo explaining methodology and controls
Header (IRS office, date, notice number); taxpayer info (name, TIN, address); facts (who/what/when); issues; analysis and valuation method; actions taken/filings enclosed; requested resolution; enclosure list; contact details and best times to reach you.
Valuing crypto and NFTs for gifts and estates
Fair market value (FMV) is measured at the moment of the gift or date of death, using the principal market you’d reasonably use to sell the asset. Use minute‑level timestamps and note the time zone. For large blocks, consider liquidity or blockage discounts. Liquid fungible tokens use exchange quotes; thinly traded tokens or DeFi (decentralized finance) positions may need average of reliable sources and a methodology memo. NFTs (non‑fungible tokens) lean on recent comparable sales, collection floor, trait premiums, and creator royalties; where markets are thin, add a short appraisal‑style analysis to support your number.
Document where each price came from and cross‑check it. Use principal exchange data plus an independent aggregator, and reconcile to on‑chain amounts. For volatile windows, support the chosen minute with open‑high‑low‑close (OHLC) context and note bid/ask spreads. Archive screenshots, CSVs (comma‑separated values), and archive URLs; label files with asset, date, and time. Tie each figure to a transaction hash and wallet address so an examiner can reproduce the math without your software.
Now, let’s run the math once so you can model your own schedule.
- Step 1: Identify on-chain transfer timestamp (UTC) and convert to taxpayer’s time zone
- Step 2: Pull minute-level OHLC from principal market/exchange used by the donor
- Step 3: Compute FMV = units gifted × midpoint (bid/ask) at that minute; note source
- Step 4: Document screenshots/CSV exports and archive URLs
- Step 5: Record basis carried to donee and donor’s holding period notes
Include primary and independent sources so values are reproducible without your software. Expect to show raw market data, on‑chain proof, and a valuation memo that explains choices and reconciles to the amounts on Form 709.
- Exchange trade data and APIs (timestamped)
- Independent price aggregators with audit trails
- On-chain explorers linking gift tx hashes
- Third-party NFT appraisal methodologies
- Written valuation memos citing markets used
Form 709 for crypto gifts: key parts that matter
That valuation memo becomes the backbone of your Form 709. We’ll point you to the sections and elections crypto donors touch most, and how to label things so an examiner can follow without emails.
- Schedule A—Part 1 for gifts: asset description must identify token/NFT and quantity
- Valuation column: use documented FMV with timestamp; attach schedules
- Gift-splitting election (married couples) and consent requirements
- Direct vs. indirect gifts (trusts/entities) and special disclosures
- Portability and unified credit context (big-picture awareness)
Most 6290 pushbacks come from preventable oversights. Scan these before you file; if you already filed, the next section shows how to clean up past years.
- Using daily averages instead of time-of-gift pricing
- Omitting wallet addresses or transaction IDs when useful
- Ignoring NFT appraisal support or royalties metadata
- Forgetting donee TIN/address or gift-splitting consent
- Missing attachments index and exhibit labels
Fixing past years: late and amended filings
Missing attachments index and exhibit labels? If prior years look the same, fix them now with late or amended Form 709 (U.S. gift tax return) plus an adequate disclosure attachment (a memo that starts the 3‑year statute of limitations). File late when no return was filed; amend if values, donee info, or GST (generation‑skipping transfer) allocations were wrong. Attach valuation at the gift timestamp, donor basis records, and wallet evidence. Example: 2021 gift of 15 ETH (Ether)—file a late 709 with FMV (fair market value) at the transfer minute; often no gift tax is due if you apply lifetime exemption. Penalties usually apply only when tax is due; interest runs from the original due date. Proactive cleanup before an exam lowers escalation risk and closes open years.
Your reasonable cause statement explains why you missed or misvalued: novel digital‑asset records, reliance on exchange statements, illness, or disaster. Keep it factual and concise. Timeline: include these amended/late returns inside your Letter 6290 packet and mail within the notice deadline; add a short cover letter by year. Label exhibits (Year‑Asset‑Exhibit A, etc.), include payment if any via EFTPS (Electronic Federal Tax Payment System) or check, and retain proof of mailing. If you need time, call the agent early to request an extension and log the call. If the donor has passed, coordinate with Form 706 (U.S. estate tax return) so schedules, basis, and GST allocations match.
Form 3520 (foreign gift received by a U.S. recipient) is separate from the donor’s Form 709. Don’t mix regimes: donors file 709; U.S. recipients of foreign gifts may file 3520. Different rules and IRS units.
Crypto gift and estate documentation checklist
Because 709 and 3520 live in different IRS units, the right documents prevent back‑and‑forth and defend your valuations—use this checklist to assemble a clean, crypto‑specific response fast, including minute‑of‑transfer price screenshots.
- Copy of Letter 6290 and envelope
- Wallet inventory with addresses and labels
- On-chain transaction hashes for gifts/transfers
- Exchange CSV exports and API pull details
- Timestamped price sources and screenshots
- Form 709 drafts, elections, and attachments index
- Trust/estate documents if applicable (summaries)
- Contact details and availability for follow-up
Case study: $250K ETH gift, clean closure in six weeks
You’ve got your contact details ready for follow-up—now here’s how a real 6290 gets resolved. In May, a parent gifted 80 ETH (Ether) worth about $250,000 to an adult child, never filed Form 709 (U.S. gift tax return), and kept no fair market value (FMV) proof. Letter 6290 arrived asking who, when, and how much. We triaged the same day, called the IRS (Internal Revenue Service) to confirm receipt, and secured a 14‑day extension. Then we ran DAR (Digital Asset Reconciliation—our end‑to‑end wallet reconstruction), froze implicated wallets for 72 hours, and pulled on‑chain timestamps. We built a valuation memo at the exact block time using the principal market quote plus OHLC (open‑high‑low‑close) context, tied each number to a transaction hash, and drafted Schedule A details. By day 9, we mailed a complete packet: cover letter, Form 709, adequate disclosure attachment (to start the three‑year statute), valuation schedules, wallet map, and basis records. Six weeks later, the IRS accepted the response; no gift tax was due (lifetime exemption applied), no penalties, and the file moved to closed correspondence.
What evidence actually persuaded the agent? A one‑page wallet map showed four addresses across two chains, with arrows from donor wallet to donee wallet and the gift’s transaction hash. We added signed‑message proofs for two addresses to confirm control and avoided over‑sharing unrelated wallets. FMV used minute‑level quotes from the principal exchange plus an independent aggregator, with screenshots, CSVs (comma‑separated values), and archive links labeled Asset‑Date‑Time. Basis support included CEX (centralized exchange) fills and DEX (decentralized exchange) exits that reconciled to the gifted units. Our attachment index mapped each IRS request to an exhibit (e.g., “Request 2 → Exhibit C: Valuation memo at 14:32 UTC”). Cadence matters too. Day 1: call, document, extension. Day 5: agent callback confirmed they wanted Form 709 and valuation, not income returns. Day 9: certified mail and secure fax per the notice instructions. Day 15: one follow‑up asking for the donee’s TIN (Taxpayer Identification Number); we provided a redacted confirmation within 24 hours. After that, silence until the acceptance letter postmarked week six.
What made it work wasn’t magic—it was reproducible math and clean labeling. We answered the exact questions asked, used defensible time‑of‑gift pricing, and started the statute with adequate disclosure. Do the same and most 6290s become a paperwork exercise. If your facts include trusts, non‑citizen spouse limits, or missing records, that’s when expert help saves you days, not hours—let’s talk about when to bring us in next.
When professional help becomes a high‑ROI decision
You just saw how clean documentation closes cases. If your facts involve trusts, non‑citizen spouse limits, or missing records, these signals tell you it’s time to call a pro.
- High-value or multiple-year gifts across wallets
- NFTs or illiquid tokens requiring appraisal methodology
- Trust/estate structures and portability coordination
- Prior year errors or missing Form 709
- Tight deadlines and limited records
Want backup from CPAs who handle crypto daily? Book cryptocurrency tax preparation services for a fast 15‑minute consult, or call 858.434.7547. We’ll outline your 48‑hour plan and relieve the deadline pressure.
Install durable processes to stay compliant, year after year
Once the 48‑hour plan calms the deadline, lock in simple controls that prevent another scramble. A light framework—archives, snapshots, and prepped forms—makes valuations reproducible and filings plug‑and‑play.
- Centralized transaction archive with labeled wallets
- Quarterly FMV snapshots for planned gifts
- Gift logs tracking donee details and dates
- Pre-drafted 709 templates and valuation memos
- Executor playbook for wallet inventory on death
Prefer to stay ahead? We offer ongoing Digital Asset Reconciliation (DAR): quarterly wallet reconciliations, minute‑of‑gift price snapshots, and CPA review of pre‑drafted 709s. Choose monthly or quarterly packages with flexible pricing. You’ll get a secure archive, clear action notes, and year‑end filings that sail through.
Crypto gifts and IRS 6290: quick FAQs
Before your archive and snapshots do the heavy lifting, you might still wonder about edge cases. Here are concise, practical answers based on current IRS practice.
- Q: Do I owe tax when gifting crypto? A: File Form 709 above the annual exclusion; lifetime exemption often eliminates gift tax.
- Q: How do I value illiquid tokens/NFTs? A: Combine comps (recent sales, floor, traits), volume context, principal-market quotes, and a brief methodology.
- Q: Multiple recipients under the annual exclusion? A: Limit is per donee yearly. Four children receive up to limit, no Form 709.
- Q: Sent tokens to my wallet—is that a gift? A: No if you retain control. Prove with signed message/KYC; document as self-transfer.
- Q: Can I fix last year’s wrong FMV? A: Yes—amend Form 709 with adequate disclosure; penalties apply only if tax is due.
- Q: Can’t access old exchange data? A: Use on-chain explorers, aggregators, bank statements, counterparty records, and an affidavit explaining gaps and reconstruction.
- Q: Donee basis and holding period? A: Carryover—donee takes donor’s basis and holding period; if FMV is lower, loss rules limit deductions.
- Q: Include wallet addresses in filings? A: Not required, but helpful. Add addresses and transaction hashes when clarify gifts and support disclosure.
- Q: Decedent held seed phrases—now what? A: Inventory devices, recover wallets with authorization, sign messages, capture date‑of‑death values, include on estate schedules.
- Q: How fast will the IRS respond? A: Often 4–8 weeks. Follow up at 3 weeks, monthly; keep proof of mailing.
Start your 48‑hour 6290 response plan today
IRS replies often take 4–8 weeks—your leverage is starting now. We stabilize in 48 hours: freeze implicated wallets, build defensible valuations, and draft the correct Form 709. Then our crypto‑savvy CPAs assemble a complete, CPA‑ready response packet that closes questions fast.
