Gemini 1099-DA Tax Form: What to Fix Before You File (Don't Overpay on Crypto Taxes)

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Gemini 1099-DA Tax Form: What to Fix Before You File (Don't Overpay on Crypto Taxes)

Gemini will issue Form 1099-DA starting February 2026 for all 2025 crypto sales, but like other exchanges, the form won't include cost basis information unless you've manually provided acquisition details for transferred assets - meaning you must track your original purchase prices or face taxes on full proceeds.

What Is Tax Form 1099-DA in Gemini?

Form 1099-DA is the IRS's latest tool for tracking cryptocurrency transactions, and every Gemini user needs to understand what it means for their taxes.

Form 1099-DA (Digital Asset Proceeds from Broker Transactions) is the IRS's new mandatory reporting form for cryptocurrency transactions. Beginning in 2025, custodial crypto exchanges like Gemini must issue this form to users who sold, traded, or disposed of digital assets during the year.

The form reports:

  • Gross proceeds from sales

  • Transaction dates

  • Asset types sold

  • Units sold

  • Whether assets were transferred in

Unlike Form 1099-B used for stocks, Form 1099-DA is specifically designed for cryptocurrencies, stablecoins, NFTs, and other digital assets.

Critical Deadline: February 15, 2026

Don't file your taxes too early - waiting for the extended deadline could save you from costly amendments.

Gemini must issue 1099-DA forms by February 15, 2026 for the 2025 tax year. This is later than the typical January 31 deadline for other 1099 forms, giving exchanges more time to process complex crypto transactions.

The Cost Basis Problem with Gemini 1099-DA

The biggest tax trap for 2025 is that the IRS receives your sale amounts but not what you originally paid.

For the 2025 tax year, Gemini's 1099-DA forms will not report cost basis to the IRS. While your customer copy may include gain/loss information, the IRS only receives the proceeds from your sales.

This creates a critical problem:

Common Scenario:

  • You bought Ethereum on Coinbase for $2,000 in 2023

  • You transferred it to Gemini in 2024

  • You sold it on Gemini in 2025 for $4,000

  • Your Gemini 1099-DA shows $4,000 in proceeds but no cost basis reported to the IRS

Without proper documentation, the IRS assumes you owe taxes on the full $4,000 instead of your actual $2,000 gain.

Gemini's Unique Gain/Loss Statement

Gemini offers something most exchanges don't—a detailed breakdown of your gains and losses for your own reference.

Unlike most exchanges, Gemini provides both:

1. Form 1099-DA (Sent to IRS)

  • Required for all non-exempt U.S. customers

  • Reports gross proceeds only for 2025

  • No minimum transaction threshold

  • Filed with the IRS automatically

2. Gain/Loss Statement (Your Reference Only)

  • Not sent to the IRS

  • Shows your gains and losses calculated using Gemini's data

  • Includes cost basis for assets:

    • Purchased on Gemini

    • Acquired through rewards or credit card bonuses

    • Transferred in with customer-provided basis information

Critical Distinction: The gain/loss statement is more complete than what the IRS receives, but you must verify its accuracy and provide missing cost basis for transferred assets.

Why Your Gemini 1099-DA Shows No Cost Basis to the IRS

Transferring crypto between platforms creates a documentation gap that you must manually fill.

Every time you transferred crypto into Gemini from:

  • Another exchange (Coinbase, Kraken, Binance, etc.)

  • A hardware wallet (Ledger, Trezor)

  • A software wallet (MetaMask, Trust Wallet)

  • A DeFi protocol

Gemini lost track of your original purchase price unless you manually entered it in Gemini's Tax Center.

All crypto sold in 2025 is considered "non-covered," meaning Gemini has no legal obligation to report cost basis to the IRS. This includes:

  • Any crypto bought on Gemini before January 1, 2026

  • Crypto transferred into Gemini from external sources

  • All assets without customer-provided basis information

Starting 2026: Cost basis reporting begins for "covered assets"—crypto purchased on Gemini on or after January 1, 2026 and held until sale.

Read our full crypto exchange 1099-DA guides: Binance 1099-DA, Coinbase 1099-DA, Kraken 1099-DA

Understanding Your Gemini 1099-DA Tax Form

Knowing how to read your 1099-DA ensures you report the right numbers to avoid IRS mismatches.

Your form contains several key sections:

Payer Information

  • Gemini Trust Company, LLC

  • Tax ID and address information

Recipient Information

  • Your name, address, and Social Security Number/TIN

  • Must match your certified tax information (Form W-9 or W-8)

  • Your Gemini account number

Transaction Details

For each digital asset sale, the form shows:

  • Date of disposition

  • Asset type and description

  • Units disposed

  • Gross proceeds (adjusted for fees)

  • Whether units were transferred in

Cost Basis Section

For 2025 transactions reported to the IRS:

  • No cost basis information

  • Form may be blank in these fields

Your customer copy may show gain/loss, but this is not what the IRS receives.

Missing Information Indicator

An asterisk (*) marks transferred assets where you didn't provide cost basis to Gemini. These require your manual records for accurate reporting.

How to Use Gemini's Tax Center Before Filing

Taking action in Gemini's Tax Center now prevents massive tax bill surprises later.

Gemini offers a comprehensive Tax Center where you must take action before tax season to ensure accurate reporting:

1. Select Your Accounting Method

Navigate to Settings > Statements & Taxes > Taxes and choose:

FIFO (First-In, First-Out): Default method - oldest crypto sells first LIFO (Last-In, First-Out): Newest crypto sells first HIFO (Highest-In, First-Out): Most expensive crypto sells first, maximizing losses

Important: If you don't select a method, Gemini automatically applies FIFO. Your choice affects which tax lots are used for each sale.

Example:

  • January 2024: Buy 1 BTC at $40,000

  • June 2024: Buy 1 BTC at $60,000

  • March 2025: Sell 1 BTC at $95,000

With FIFO: Gain = $95,000 - $40,000 = $55,000 With HIFO: Gain = $95,000 - $60,000 = $35,000

Your method choice creates a $20,000 difference in taxable gains.

2. Input Cost Basis for Transferred Assets

For every crypto transfer into Gemini, you must provide:

  • Original acquisition date

  • Original cost basis (purchase price)

  • Source of acquisition

Without this information, Gemini cannot calculate accurate gains on your gain/loss statement, and you'll have no verification against IRS reporting.

3. Certify Your Tax Status

Gemini requires all customers to submit:

  • Form W-9

    (U.S. persons) - Certifies your U.S. taxpayer status

  • Form W-8

    (non-U.S. persons) - Claims foreign status

Gemini verifies your name and TIN combination using the IRS TIN Matching system. Mismatches can trigger backup withholding.

Backup Withholding on Gemini

Failing to certify your tax status correctly triggers automatic 24% withholding on every transaction.

If you fail to provide valid tax certification or your TIN doesn't match IRS records, Gemini may apply 24% backup withholding on:

  • Sale proceeds

  • Staking rewards

  • Other reportable income

How it works:

  • Gemini withholds 24% from transactions

  • Amount is sent directly to the IRS

  • Reported on your 1099-DA or 1099-MISC

  • You can reclaim the withholding when filing your tax return

To avoid backup withholding:

  • Complete Form W-9 accurately

  • Ensure your name matches your Social Security card exactly

  • Update information immediately if you change names

How to Download Your Gemini Tax Documents

Accessing your forms is straightforward, but knowing where to look saves time during tax season.

On Desktop:

  1. Log into your Gemini account

  2. Navigate to Settings > Statements & Taxes > Taxes

  3. Select the 2025 tax year

  4. Download your 1099-DA and Gain/Loss Statement (if available)

  5. Download 1099-MISC if you earned rewards

On Mobile:

  1. Open the Gemini app

  2. Tap Profile > Settings

  3. Select Statements & Taxes > Taxes

  4. Choose 2025 and download available forms

Forms are available by February 15, 2026. You'll receive email notification when ready.

When Will I Receive My Gemini 1099-DA Form?

Mark your calendar for mid-February—that's when your official tax documents arrive.

Gemini will issue 1099-DA forms by February 15, 2026 for the 2025 tax year. You'll receive notification via:

  • Email to your verified address

  • In-app notification

  • Direct access through Tax Center

The IRS receives their copy simultaneously, so discrepancies will trigger automatic matching and CP2000 notices.

Who Gets a Gemini 1099-DA Tax Form?

Not everyone receives this form, but understanding the criteria helps you prepare properly.

You'll receive Form 1099-DA if you're a U.S. non-exempt customer and you:

  • Sold cryptocurrency on Gemini during 2025

  • Traded one crypto for another on Gemini

  • Converted digital assets

  • Used Gemini's instant buy/sell features

Who doesn't get 1099-DA:

  • C corporations (receive Gain/Loss Statement instead)

  • Foreign persons with valid Form W-8

  • Customers with no dispositions during the year

Note: There is no minimum transaction amount required to trigger a 1099-DA. Even small trades must be reported.

What About Form 1099-MISC?

Gemini reports your trading activity and your earning activity on two separate forms.

Gemini also issues Form 1099-MISC separately if you earned $600 or more from:

  • Gemini Staking rewards

  • Gemini Earn interest (in prior years)

  • Credit card rewards in crypto

  • Referral bonuses

  • Promotional rewards

Form 1099-MISC reports ordinary income, which is taxed at higher rates than capital gains. You'll report this income on Schedule 1 of your tax return.

Delivery: 1099-MISC arrives by January 31, 2026 (earlier than 1099-DA).

How to Calculate Your Actual Cost Basis

Accurate cost basis calculation is the difference between paying what you owe and overpaying by thousands.

For every crypto sale on your Gemini 1099-DA:

1. Track Per-Platform Holdings

The IRS requires separate tracking for each exchange. Your Gemini sales use cost basis from crypto held on Gemini specifically.

Example:

  • You have 5 ETH on Gemini bought at various prices

  • You have 3 ETH on Coinbase bought at different prices

  • You sell 2 ETH on Gemini for $7,000

You must use only the cost basis from your Gemini ETH holdings. The Coinbase ETH is irrelevant to this calculation.

2. Verify Gemini's Gain/Loss Statement

Gemini's gain/loss statement will show calculated gains only if:

  • Assets were purchased on Gemini, OR

  • Assets were acquired through Gemini rewards, OR

  • You provided cost basis in the Tax Center for transferred assets

Look for asterisks (*) - These indicate missing cost basis that requires your manual records.

3. Gather Complete Records

Collect purchase information from:

  • Gemini transaction history

  • Other exchanges where you acquired crypto

  • Wallet transfer records showing acquisition dates

  • Bank statements proving purchase prices

  • Prior year tax returns with cost basis

4. Reconcile Against Form 8949

Your final Form 8949 must show:

  • Proceeds matching your 1099-DA exactly

  • Cost basis from your complete records

  • Accurate gain/loss calculations

Multiple Acquisitions Create Multiple Lines

One crypto sale can explode into dozens of tax lot entries on your gain/loss statement.

Gemini's gain/loss statement may show dozens of lines for a single sale if you acquired that crypto through:

  • Multiple purchases at different times

  • Staking rewards received over many days

  • Earn program interest payments

Example: You sell 1 ETH that came from:

  • 0.5 ETH bought January 2024 at $2,000

  • 0.3 ETH from staking rewards (20 different reward dates)

  • 0.2 ETH bought June 2024 at $3,000

This single 1 ETH sale appears as 22+ lines on your gain/loss statement, each with its own acquisition date and cost basis.

Understanding Zero-Value Dispositions

Even transactions worth fractions of a penny appear on your tax documents and must be handled correctly.

You may see sales with proceeds of $0.00. This happens when:

  • Disposed crypto is worth less than $0.01

  • Dust amounts from rounding

  • Tiny fee payments in crypto

These are still reportable transactions but have minimal tax impact.

GUSD (Gemini Dollar) Special Rule

Gemini's stablecoin gets unique tax treatment that simplifies your reporting.

Transactions involving Gemini Dollars (GUSD) typically show:

  • No gains or losses

  • 1:1 trading ratio with USD

GUSD is a stablecoin designed to maintain dollar parity. Converting between USD and GUSD generally creates no taxable gain, though you must still report the transactions.

Does Gemini Report to the IRS?

Gemini shares extensive transaction data with the IRS, so hiding crypto activity is no longer possible.

Read our full guide to Does Gemini Report to the IRS? and full Gemini Taxes guide

Yes. Gemini is a regulated U.S. exchange and reports directly to the IRS:

What the IRS Receives:

  • Complete Form 1099-DA showing gross proceeds

  • Complete Form 1099-MISC for rewards over $600

  • Customer tax certification (W-9/W-8) information

  • Backup withholding amounts (if applicable)

What the IRS Doesn't Receive:

  • Gain/Loss Statements (for your reference only)

  • Cost basis for 2025 transactions

  • Transaction details from your other exchanges

  • Self-custody wallet activity

  • DeFi protocol interactions

The IRS uses automated matching to compare broker-reported proceeds against your tax return.

What If I Didn't Receive a 1099-DA Tax Form From Gemini?

Missing a form doesn't give you a pass on taxes - it just means more manual work.

Not receiving a form doesn't eliminate your reporting obligation. You must still report all cryptocurrency transactions, including:

  • Sales and trades on Gemini

  • Transfers to other platforms or wallets

  • Crypto-to-crypto swaps

  • Spending crypto on goods or services

If you should have received a form but didn't:

  1. Check your Gemini Tax Center (Settings > Statements & Taxes)

  2. Verify your email is current and check spam folder

  3. Confirm your Form W-9 certification is complete

  4. Contact Gemini support if the form is missing after February 15

  5. Download your complete transaction history manually

How to Report Your Gemini Taxes and 1099-DA

Following these steps ensures you report accurately and avoid triggering IRS notices.

Step 1: Gather All Documentation

  • Gemini 1099-DA form

  • Gemini Gain/Loss Statement

  • Gemini 1099-MISC (if applicable)

  • Transaction history from Gemini

  • Purchase records from other exchanges

  • Cost basis records for transferred assets

Step 2: Verify Gain/Loss Statement Accuracy

Cross-check Gemini's calculations against your records:

  • Verify all transferred asset basis was entered correctly

  • Check that accounting method applied matches your selection

  • Look for asterisk (*) warnings indicating missing data

Step 3: Calculate Complete Cost Basis

Use either:

  • Crypto tax software (Awaken, CoinTracker, TokenTax)

  • Gemini's verified gain/loss statement + your records for gaps

  • Professional crypto tax accountant

Step 4: Complete IRS Forms

Form 8949: List each crypto sale with:

  • Description of property (BTC, ETH, etc.)

  • Date acquired (original purchase date)

  • Date sold

  • Proceeds (from 1099-DA)

  • Cost basis (from your complete records)

  • Gain or loss

Important: If Gemini shows multiple lines for one disposition (due to multiple acquisition dates), report each line separately on Form 8949.

Schedule D: Summarize total capital gains and losses from Form 8949

Form 1040: Main tax return showing:

  • Schedule D totals on Line 7

  • Any 1099-MISC income on Schedule 1

Step 5: Cross-Check Against 1099-DA

Verify your total reported proceeds match the Gemini 1099-DA exactly. Even small discrepancies trigger IRS notices.

Common Gemini Tax Mistakes to Avoid

These frequent errors can cost you thousands in unnecessary taxes or penalties.

1. Relying Only on Gain/Loss Statement

The statement is helpful but isn't filed with the IRS. You must verify accuracy and supplement with records for transferred assets.

2. Ignoring Transferred Assets Without Basis

Asterisk (*) symbols indicate missing information. These gaps can cause massive overstatements of gains.

3. Not Selecting Accounting Method

Failing to choose FIFO, LIFO, or HIFO means Gemini defaults to FIFO, which may not be optimal for your tax situation.

4. Forgetting Form W-9 Certification

Missing or incorrect tax certification triggers 24% backup withholding on all transactions.

5. Filing Before February 15

The 1099-DA arrives later than other tax forms. Filing too early means potential amendments later.

6. Omitting 1099-MISC Income

Staking rewards and credit card crypto are ordinary income taxed at higher rates. Report separately on Schedule 1.

7. Using Wrong Acquisition Date

Using the transfer date instead of original purchase date can convert long-term gains into short-term, significantly increasing taxes.

8. Not Reporting C-Corporation Activity

If you're a C-corporation, you don't receive 1099-DA but must still report all activity using the Gain/Loss Statement.

Tax Rates for Gemini Crypto Gains

How long you hold your crypto dramatically impacts how much tax you'll pay on the profits.

Short-Term Capital Gains (Held ≤ 1 year)

Taxed as ordinary income at your marginal rate:

  • 10%, 12%, 22%, 24%, 32%, 35%, or 37%

Long-Term Capital Gains (Held > 1 year)

Preferential rates based on income:

  • 0% for lower income brackets

  • 15% for middle income

  • 20% for high earners

Example:

  • Single filer with $80,000 income

  • Sells ETH held 6 months: 22% short-term rate

  • Sells ETH held 15 months: 15% long-term rate

Ordinary Income (Staking, Rewards)

Taxed at your marginal rate when received:

  • Same rates as short-term gains (10% - 37%)

Using Crypto Tax Software with Gemini

Professional crypto tax software eliminates manual calculation errors and ensures complete accuracy across all your platforms.

Awaken Tax integrates directly with Gemini to:

  • Import all transactions automatically

  • Verify Gemini's gain/loss calculations

  • Fill gaps for transferred assets

  • Track crypto across multiple platforms

  • Generate Form 8949 and Schedule D

  • Reconcile against your 1099-DA

  • Identify tax-loss harvesting opportunities

Why Manual Calculation Is Risky

If you made more than a few trades:

  • Multiple acquisition dates create dozens of tax lots

  • Transferred assets require separate tracking

  • Staking rewards add hundreds of micro-transactions

  • Fees paid in crypto are separate disposals

  • Small errors compound into substantial penalties

What Happens If You Don't Report Gemini Taxes?

The IRS has your transaction data and will automatically calculate what they think you owe—with zero cost basis assumed.

The IRS has copies of your 1099-DA. Not reporting will result in:

Immediate Consequences

  • CP2000 Notice:

    Proposed additional tax based on full proceeds (assuming zero cost basis)

  • Accuracy penalties:

    20% of underpaid tax

  • Interest charges:

    Accruing daily from the original due date

Long-Term Consequences

  • Audit risk:

    Significantly elevated for non-reporters

  • Failure to file penalties:

    5% per month, up to 25%

  • Failure to pay penalties:

    0.5% per month

  • Criminal prosecution:

    For willful evasion in extreme cases

Real Risk: With proceeds reported but no cost basis, the IRS assumes 100% profit and bills accordingly.

Gemini-Specific Tax Considerations

Gemini's unique products create special tax situations that require specific handling.

Gemini Staking Program

Staking rewards are ordinary income at fair market value when received. Report on:

  • Form 1099-MISC if over $600 total

  • Schedule 1 regardless of amount

When you later sell staked crypto, the reward amount becomes your cost basis for that portion.

Gemini Earn (Historical)

For 2021-2022, Gemini reported Earn interest on Form 1099-MISC based on daily allocations multiplied by current price. Verify historical forms if claiming losses on frozen assets.

Gemini Credit Card Rewards

Crypto earned through credit card rewards is:

  • Ordinary income when received (if over $600, on 1099-MISC)

  • Capital gain/loss when later sold

Gemini ActiveTrader

Advanced trading on ActiveTrader still generates 1099-DA for all dispositions. Higher trading volume means more complex cost basis tracking.

Gemini Custody vs. Trading Account

Different account types may affect how transactions appear on your tax documents. Verify which services you used.

How to Reduce Your Gemini Tax Bill Legally

Strategic planning within the rules can significantly lower your tax liability without crossing any lines.

1. Tax-Loss Harvesting

Sell losing positions before year-end to offset gains. Crypto isn't subject to the wash sale rule (yet), allowing immediate repurchase.

2. Select Optimal Accounting Method

Use Gemini's Tax Center to choose:

  • HIFO

    to maximize current-year losses

  • FIFO

    for consistency and simplicity

  • LIFO

    to preserve long-term holding periods

3. Hold for Long-Term Rates

Wait 366+ days before selling to qualify for 0%, 15%, or 20% rates instead of up to 37%.

4. Provide Cost Basis for Transfers

Enter accurate acquisition data in Gemini's Tax Center to ensure proper gain/loss calculations.

5. Time Sales Strategically

Defer sales into the next tax year if you're approaching year-end and expect lower income.

6. Offset Ordinary Income

Capital losses can offset $3,000 of ordinary income annually. Excess losses carry forward indefinitely.

7. Donate Appreciated Crypto

Donate crypto held over one year to qualified charities to avoid capital gains while claiming a fair market value deduction.

Getting Help with Gemini Taxes

Knowing when to DIY versus when to hire a professional can save you money and headaches.

When to DIY

  • Fewer than 100 transactions

  • All crypto purchased directly on Gemini

  • No transferred assets from other platforms

  • Comfortable using Gemini's gain/loss statement

  • Simple staking rewards only

When to Hire a Professional

  • Hundreds or thousands of transactions

  • Multiple exchanges and wallets

  • Significant transferred assets without clear records

  • Complex situations (DeFi, lending, NFTs)

  • Prior year amendments needed

  • IRS notices (especially CP2000)

  • High-value portfolios requiring optimization

  • C-corporation or business entity

Look for tax professionals with:

  • Cryptocurrency specialization

  • Familiarity with Gemini's reporting

  • Experience with Form 1099-DA

  • Cost basis reconstruction skills

  • Software integration capabilities

Gemini Tax Checklist for 2025 Tax Year

Use this timeline to stay ahead of deadlines and avoid last-minute scrambles.

Before Year-End 2025:

  • Log into Gemini Tax Center

  • Select your accounting method (FIFO, LIFO, or HIFO)

  • Enter cost basis for all transferred assets

  • Complete Form W-9 or W-8 certification

  • Consider tax-loss harvesting opportunities

  • Download 2025 transaction history

January 2026:

  • Receive 1099-MISC by January 31 (if applicable)

  • Verify all staking/reward income is correct

  • Update email address to ensure form delivery

February 2026:

  • Receive 1099-DA by February 15

  • Download gain/loss statement

  • Download complete transaction history

  • Import data into tax software or accountant

  • Cross-check proceeds against your records

Before Filing:

  • Verify all transferred asset cost basis is documented

  • Calculate accurate gains/losses for each sale

  • Generate Form 8949 and Schedule D

  • Reconcile proceeds against 1099-DA exactly

  • Review gain/loss statement for asterisk (*) warnings

  • File by April 15, 2026 (or October 15 with extension)

Gemini 1099-DA Tax Form Final Thoughts

Gemini provides the tools for accurate crypto tax reporting, but success depends entirely on your proactive participation.

Gemini's implementation of Form 1099-DA represents the most comprehensive crypto tax reporting available, with the added benefit of a detailed gain/loss statement for customer reference. However, this sophistication requires active participation on your part.

Unlike other exchanges that simply report proceeds, Gemini provides tools to calculate your complete tax picture—but only if you use them. Selecting your accounting method and entering cost basis for transferred assets are not optional steps if you want accurate reporting.

The most critical action you can take is using Gemini's Tax Center before tax season. Once February arrives and forms are issued, it's too late to retroactively improve your reporting. The gains and losses are already calculated based on whatever information Gemini had - or didn't have - in their system.

Remember: Your customer copy of the 1099-DA may show gains and losses, but the IRS only receives proceeds. You must prove your cost basis independently. The gain/loss statement is a helpful tool for verification, but it's not a substitute for maintaining comprehensive records across all your crypto activities.

Start preparing now, not in April. The combination of Gemini's tools, your complete records, and professional tax software or advice will ensure you report accurately and pay only the taxes you actually owe.

Gemini 1099-DA Tax Form FAQs

Does Gemini automatically send my 1099-DA to the IRS? Yes, Gemini files an identical copy of your 1099-DA directly with the IRS showing your gross proceeds, so they already have your transaction data before you file.

Why should I use Gemini's Tax Center before tax season? You must select your accounting method (FIFO, LIFO, or HIFO) and input cost basis for transferred assets before year-end, or Gemini will default to FIFO and show missing basis warnings on your gain/loss statement.

What's the difference between Gemini's 1099-DA and gain/loss statement? The 1099-DA is filed with the IRS and shows only proceeds for 2025, while the gain/loss statement is for your reference and includes calculated gains/losses—but only for assets with complete cost basis information.

Do I need to report Gemini staking rewards separately from trading? Yes, staking rewards are ordinary income reported on Form 1099-MISC (if over $600) and go on Schedule 1, while trading gains/losses from selling crypto go on Form 8949 and Schedule D.

What happens if I transferred crypto to Gemini but didn't provide the original cost basis? Gemini will mark these transactions with an asterisk (*) in your gain/loss statement and cannot calculate accurate gains - you must use your own records to report correct cost basis or risk the IRS treating the full proceeds as taxable gain.

Also read:

Gemini 1099-DA Tax Form: What to Fix Before You File