# Our next testnet

**Published by:** [briq)master](https://paragraph.com/@briq-master/)
**Published on:** 2024-01-22
**URL:** https://paragraph.com/@briq-master/our-next-testnet

## Content

We’re currently fine-tuning our new design and the rollup contract codebase. Upon completion, this will be deployed as Taiko’s Alpha-6 testnet, featuring a four-tier proof system. The percentages in the below diagram represent the probability that a block will require a given tier as its minimum proof level. In the upcoming A6 testnet, we’ll employ a cooldown period of 24 hours for all tiers. Finally, our primary aim is for Contestable Rollups to combine the strengths of Optimistic Rollups and ZK-Rollups. If you're keen to see how this innovative design unfolds in practice, we invite you to join our community for further updates!

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