Having just gone down this rabbit hole, the only thing that complicated my tax reporting was the transfer to and from cold storage. KYC exchanges and some (most?/all?) hardware wallets will export CSV...
Why did you have to report transfers to/from cold storage, as there are no capital gains involved?
More to the point, why would you transfer out of cold storage? ;)
More to the point, why would you transfer out of cold storage? ;)
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