Please note that the following answer only applies to clients residing in Germany.
The final withholding tax on capital gains (capital gains tax, solidarity surcharge and, if applicable, church tax) is deducted on a transaction basis. The corresponding deductions are withheld and paid to the tax office on each sale, taking into account any exemption orders and loss offset pots.
This only applies to individuals who are tax resident in Germany. If you are subject to taxation outside of Germany, you are responsible for determining and paying the applicable taxes yourself. Scalable Capital cannot provide tax advice. Please consult your tax advisor or tax office for questions regarding your individual tax situation.
The amount of capital gains tax and solidarity surcharge paid can be found in your personal client area under Profile > Taxes.
Please note that crypto ETPs classified under §23 are not subject to capital gains tax. Further information can be found here: How are crypto ETPs treated for tax purposes?