Fedimint has a place in the design space that could prove a worthwhile tradeoff between scalability, privacy, and security for certain users. But bitcoin users should also be able to get strong privacy with the same or very close to the same security as onchain bitcoin today.

• Ecash mint can arbitrarily inflate the ecash supply
• Ecash must be minted and redeemed in specific denominations
• Depending on the implementation details, it might be possible to link ecash redemptions to specific accounts (giving the server operator a sense of the user's balance)