New to crypto tax terms? Explore our quick-reference Crypto Tax Glossary for Business Owners to understand key concepts before diving in.
2025 has been a big year for cryptocurrency. If you’ve held Bitcoin or other digital assets through new highs, your portfolio might look great on paper—but that also means a bigger potential tax bill.
The good news: you still have time to use 2025 year-end crypto tax strategies to trim your current-year taxes and set yourself up for smarter gains in future years.
Below are six key 2025 year-end crypto tax strategies to review before December 31 if you hold Bitcoin, Ethereum, or any other taxable crypto.
If you expect to be in a higher tax bracket next year and you believe your crypto will keep climbing, it can make sense to intentionally realize some gains now and reset your basis at today’s higher price.
Here’s the basic idea:
Example: Alex bought 1 Bitcoin for $20,000 three years ago. This year, Alex sells it for $110,000 and realizes a $90,000 long-term capital gain. If Alex is in the 15% long-term capital gains bracket, that’s a $13,500 federal tax bill on the gain. Alex immediately repurchases 1 Bitcoin at $110,000, so the new basis is $110,000.
If Bitcoin later rises to $140,000 and Alex sells then, the future taxable gain is only $30,000 ($140,000 - $110,000) instead of $120,000 ($140,000 - $20,000). Alex has prepaid tax on $90,000 of gain while in a lower bracket and reduced the future tax hit.
Keep in mind:
Even in a strong year for Bitcoin, many investors are still sitting on losses in other coins or tokens. Year-end is the time to be intentional: realize those losses and use them to offset your gains.
When you sell crypto at a loss, you create a capital loss. The IRS separates those into:
By law, losses are applied in this order:
Any unused capital losses carry forward to future years until they’re fully used.
If part of your crypto story includes fraud or theft inside a retirement account, make sure you understand how the IRS treats those situations. For a real-world case study, see our article on crypto scam tax consequences.
Traditional stock and mutual fund investors have to watch out for the wash-sale rule: if they sell a security at a loss and buy the same or a “substantially identical” security within 30 days before or after the sale, the loss is disallowed.
As of late 2025, that rule does not apply to cryptocurrency, because the IRS classifies digital assets as property, not as securities. That means you can:
Example: Morgan bought 100 Solana (SOL) for $23,100 in January 2024. On October 24, 2025, Morgan sells all 100 SOL for $18,600 and realizes a $4,500 short-term capital loss. Morgan can immediately reinvest the $18,600 into Solana or any other crypto and still claim the $4,500 loss for 2025.
Lawmakers have discussed extending wash-sale rules to digital assets, but that hasn’t happened yet. Keep an eye on future tax law changes so this strategy doesn’t surprise you in a later year.
If you’re already giving to charity and you itemize deductions, donating appreciated crypto instead of cash can be a powerful move. Done correctly, a single donation can create two tax wins:
To qualify, you must donate to a legitimate Section 501(c)(3) charitable organization or through a donor-advised fund (DAF). Many large charities and DAF sponsors now accept crypto directly.
The basic rules for donating crypto as property are:
Example: Maria bought 1 Bitcoin for $20,000 three years ago. In 2025, when that Bitcoin is worth $110,000, she donates it to a qualified charity. If Maria’s AGI is high enough to absorb the full deduction this year, she can deduct $110,000 and pay zero capital gains tax on the $90,000 of embedded gain.
If the donation pushes your total itemized deductions over the standard deduction ($15,750 for most single filers and $31,500 for married couples filing jointly for 2025), you’re now getting a bigger deduction than the standard deduction alone.
Practical details to remember:
For IRS details on how digital assets are treated for tax purposes, see the official IRS guidance on digital assets.
Sometimes the goal isn’t to sell your crypto—it’s to move it to the next generation. In 2025, you can give up to $19,000 per recipient (or $38,000 per recipient if you and your spouse both give) without using any of your lifetime estate and gift tax exemption.
A few important points:
Example: Daniel purchased 0.10 Bitcoin for $1,500, and it’s now worth $10,000. He gifts the 0.10 Bitcoin to his grandson. Daniel doesn’t recognize any gain, and his grandson doesn’t report any income when he receives the gift. Because the gift is under $19,000, there’s no Form 709 filing requirement.
The tax basis carries over to the recipient. In this example, the grandson’s basis is $1,500. When he eventually sells the Bitcoin, his gain or loss is calculated from that $1,500 starting point.
It’s smart to give the recipient a simple letter documenting:
That letter becomes part of the recipient’s permanent tax records.
If you want to keep building your crypto position, consider holding some of it inside tax-advantaged retirement accounts instead of only in taxable accounts.
A self-directed IRA lets you invest in assets beyond mutual funds and ETFs—including crypto, if the custodian allows it. The basic rules for 2025 are:
You can’t transfer existing personally held crypto directly into an IRA. Instead, you’d typically sell the crypto, contribute cash to the IRA (up to the annual limit), and then have the IRA buy crypto through the custodian.
Inside the IRA, buying and selling crypto doesn’t trigger current-year capital gains. Taxes are deferred (in a traditional IRA) or potentially eliminated at withdrawal (in a Roth IRA, if you meet the requirements).
If you’re self-employed with no employees other than your spouse, a solo 401(k) can dramatically increase how much you can shelter and grow in crypto each year.
For 2025:
Between employee and employer contributions, total 401(k) contributions for 2025 can reach up to $70,000 for many solo 401(k) owners, with higher effective caps when you include special catch-up contributions for ages 60‑63.
Many solo 401(k) providers now offer crypto access through self-directed options. Be sure to:
Before year-end, take a holistic look at your crypto and overall portfolio:
Because digital assets are still a high-scrutiny area for the IRS, make sure your records are clean: keep detailed logs of what you bought, sold, donated, or gifted, and when.
Every situation is different. Your income level, entity structure, and long-term goals all affect which 2025 year-end crypto tax strategies make sense for you.
If you want help sorting through the options—or you need someone to speak “tax” and “crypto” fluently at the same time—we’re here for that.
Schedule a Free Tax Strategy Session and we’ll walk through your crypto positions, your broader tax picture, and the smartest moves to make before December 31.