Select what genuinely interests you. Your picks feed directly into our editorial planning. If you still hold USDT, DAI or PYUSD at Coinbase in the European Economic Area, you face a decision with two different tax outcomes. On October 30, 2026 the exchange will automatically convert the remaining balances of these stablecoins into USDC. Under German law this forced swap counts as a disposal: it realises a gain or a loss, and for the USDC you receive, the one-year holding period starts from scratch. Withdraw the tokens yourself beforehand and you keep your original acquisition date. This article sets out what each route triggers, how a gain on a stablecoin arises at all, and which records the tax office wants to see.