Just run a test with peak load of 100 TPS of ZK transactions on ETH mainnet. We could do more but hit the limit by consuming the entire capacity of DigitalOcean's largest suitable servers (next time AWS). Block explorer: mainnet.matter-labs.io/
#ETHSingapore We’ve released a bellman for ETH, a zkSNARK proving system as a part of our work for the real hackathon project, source is here
github.com/matterinc/bellman
Practical example is also available, solves important case of Plasma Cash history size
github.com/matterinc/plasma_…
Our Plasma implementation is stable enough to proceed to the mainnet. Still, here be dragons, amount of complexity is insane plasma-mainnet.thematter.io