A private Zcash transaction now takes under 200 milliseconds to build.

Slow proofs pushed users onto traceable addresses, so faster ones make privacy the default choice.

New wallet cryptography from the Zakura team cuts proof time from over three seconds, a 15-fold drop, with no network upgrade.

Zakura aims for 50,000 private transactions per second, a target not yet reached.

Sources: CoinDesk