https://www.okx.com/en-us/learn/crypto-wash-sale-rule
OKX United States - The wash sale rule is a tax rule that applies to the sale of securities, including stocks and cryptocurrencies.
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https://cointelegraph.com/explained/what-is-the-wash-sale-rule-and-does-it-apply-to-crypto
The wash-sale rule disallows the deduction of losses if identical securities or crypto assets are repurchased within 30 days.
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