Coinbase warns users of potential delisting of stablecoins, including Tether's USDT, due to non-compliance with MiCA regulations.Coinbase Europe, Coinbase Germany, and Coinbase Custody International to stop supporting six stablecoins by December 13.Coinbase urges users to convert holdings in non-compliant coins into alternatives like USD Coin (USDC) that comply with MiCA standards.Coinbase reaffirms support for EURC, a euro-pegged stablecoin that complies with MiCA, amidst regulatory changes.