Your canton · St. Gallen
In St. Gallen, cryptocurrencies are declared in the Finances section of the cantonal software, among other assets, in the cryptocurrencies category. For a platform or a personal wallet, the canton asks for a verifiable statement, the wallet addresses and a summary of all transactions.
Sources: cantonal information page on cryptocurrencies (sg.ch); written answer from the Kantonales Steueramt St. Gallen (cantonal tax office), September 2026. Updated on 14 October 2026.
| Where to declare | Finances section, other assets, cryptocurrencies category, then choice of the currency. |
| Supporting documents: Swiss bank | For an investment whose counterparty is a Swiss bank (Swissquote, for example): the corresponding bank and tax statements. |
| Supporting documents: platform or wallet | Verifiable statement, wallet address or addresses, and a summary of all transactions with the related addresses and income. |
| Cantonal guidance | Dedicated information page on sg.ch. |
In the Finances section, among other assets, in the cryptocurrencies category.
For a platform or a personal wallet: a verifiable statement, the wallet addresses and a summary of all transactions. For a Swiss bank: its bank and tax statements.
The rest does not depend on the canton. What is taxable, the value to use as at 31 December, the treatment of staking or airdrops: these rules are federal and apply everywhere in Switzerland. They are explained in the frequently asked questions and in the free guide.
Level 2, in preparation, will go further for the canton of St. Gallen: which price to use for a token missing from the Federal Tax Administration's list, where to declare income from staking, lending or airdrops, how to present your cryptocurrencies in your tax return, and which documents to prepare from 31 December.
Get the free guide Other cantons
This page summarises the practice communicated by the cantonal administration; it does not replace the official instructions that come with your tax return, or personal advice. Deadlines change from year to year: check them on your form. The terms in quotation marks are those of the cantonal form or software, in German. The data and contacts on this page may also change: we update it regularly, but rely on its update date and, if in doubt, check with the cantonal administration.