Rather privacy as there can't be a direct connection between you and each one of your transactions, nor can the ECB refuse and cancel transaction of yours or completely exclude you from the system altogether.

The former is almost a given that it will in fact be possible. The latter was raised as an added benefit of the system either by BIS's Carstens or IMF's Georgieva -- can't recall with certainty currently. Both are promoted as weapons against black markets, corruption, and terrorism.

Yet those who are willing to give up liberty for safety, and all that.