How Is a Crypto Signup Bonus From an Exchange Taxed?
Opening a new account on a crypto platform sometimes comes with a small amount of free crypto as an incentive. It feels like a gift, but the tax code generally treats it as income the moment it arrives.
The short answer
A crypto signup bonus is typically treated as ordinary income, valued at the fair market value of the crypto on the date it’s credited to the account. That value becomes taxable in the year it’s received, and it also becomes the cost basis for that specific amount of crypto going forward, which matters again later if it’s ever sold.
Why a “free” bonus still counts as income
Tax rules generally look at whether something of value was received, not whether money changed hands. A signup bonus is compensation for opening an account or completing some action, similar in concept to a bank account opening bonus, even though it’s paid in crypto rather than cash. Because the received asset has a market value the moment it lands in the account, that value is treated as income at that point, regardless of what happens to the asset afterward.
Two separate tax events to track
- The receipt itself. The fair market value of the bonus on the day it’s credited is reported as ordinary income, similar to how cryptocurrency taxation works more broadly.
- A later sale or swap. Once the crypto is sold, traded, or spent, any difference between its value at that time and its value when it was received (its cost basis) is a separate capital gain or loss.
Why the cost basis detail is easy to miss
Because the bonus wasn’t purchased, it’s tempting to assume there’s no cost basis at all — but the value already reported as income effectively becomes the basis. Someone who receives a bonus worth a modest amount and later sells that same crypto after its value has changed needs to calculate gain or loss from that original recorded value, not from zero. Skipping this step and treating the entire eventual sale amount as gain, rather than just the appreciation since receipt, can lead to overstating what’s owed.
Why documentation matters here specifically
Bonus crypto often arrives outside of a normal purchase flow, which means it’s easy for the transaction to get lost in a broader history of transfers and swaps. Keeping organized records of exactly when a bonus was credited and what it was worth at that moment is the only reliable way to substantiate both the income reported and the basis used later. A platform’s own tax forms may not always separate bonus credits clearly from other account activity.
How this compares to staking or referral rewards
Signup bonuses share a tax logic with other forms of crypto received without a direct purchase, such as staking rewards, which are also generally treated as ordinary income when received. The common thread across these situations is that receiving crypto — even as an incentive, reward, or gift from a platform — tends to trigger a taxable event at the moment of receipt, separate from whatever happens to the asset afterward.
What to weigh
A signup bonus can be a reasonable incentive to review before opening an account, but the tax consequences shouldn’t be an afterthought. Because rules around income recognition and basis depend on individual circumstances and can change, and because crypto values are volatile, tracking the date and value of any bonus at the moment it’s received is the most useful habit to build regardless of the amount involved.