Are all donations to NFT tax deductible?

Yes, providing the donation is one where no service or product of value is expected or received in exchange for the contribution. When an individual makes a contribution in exchange for a product or service (such as dinner at a charitable fund raiser, or green fees at a charity golf event), only the portion of the contribution that exceeds the fair market value of the product or service received in exchange for the contribution is tax deductible.