# Hubble Optimistic Rollup
### Name
Hubble Optimistic Rollup
### Description
An optimistic rollup powered by BLS signature.
### Consensus Type
The liveness and safety are provided via a centralized coordinator, whose role is auctioned to the public and whose behavior is held accountable via fraud proofs.
### Tx Cost
- Gas price not applicable yet. We have to know when it is in production
- Gas cost is 345 gas.
### Average TPS
2786
### Finality Time
1 Week
### Governance/validator Token
No
### Transactional Token
ERC20s
## Resources
[Github](https://github.com/thehubbleproject/hubble-contracts)
[Developer Docs](https://thehubbleproject.github.io/docs/)
## Social Media & Community
[Discussions](https://github.com/thehubbleproject/hubble-contracts/discussions)
###### tags: `Indexed.wtf`