A transfer is a movement of crypto between your own accounts and wallets.

Tax Treatment of a Transfer

Transferring cryptocurrency tokens or coins between wallets or exchange accounts you own are nontaxable events as they are not dispositions of the token. These are considered as self-transfers and are like moving fiat from one bank account to another.

Transfers in Recap​

Recap treats all deposits and withdrawals as transfers between your own accounts. There is therefore no change in beneficial owner and no tax impact. That said there is often a fee associated with withdrawing funds which is technically a disposal for tax purposes.
Example transfer in Recap