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Celestia

Feb 8 • 5 tweets • 2 min read

The Celestia Labs team is excited to introduce Celestiums, which are Ethereum L2 chains that use Celestia for data availability (DA) and Ethereum for settlement and dispute resolution. Read more: blog.celestia.org/celestiums/

Celestiums have a higher threshold of security than previous off-chain DA solutions by adopting a PoS validator set, and will allow for better data availability throughput.

At the core of a Celestium is the Quantum Gravity Bridge, a Celestia to Ethereum data availability bridge.

We’re excited to serve Ethereum L2 teams! Stay tuned for part 2 for more analysis on how Celestiums compare to other off-chain DA mechanisms from a cost and security standpoint.

The Quantum Gravity Bridge is an early stage project still under development. Check out the repository on GitHub to keep track of development progress: github.com/celestiaorg/qu…

If you’d like to be a beta tester or have questions, get in touch on our community Discord in the #developers channel: discord.gg/je7UVpDuDu

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Feb 8

@zmanian

Discussion on shared security featuring @zmanian, @musalbas and @jadler0 happening now!

Read the thread for tweets from the livestream 👇
twitter.com/i/spaces/1OdKr…

@zmanian

"Blockchain security comes down to the question 'who can rug you?' How many actors need to collude to attack the system?" -@zmanian

@zmanian

@zmanian "A system with shared security has the property that in order to break one chain, you need to break them all." -@musalbas

Read 13 tweets

Celestia

@CelestiaOrg

Jan 27

The benefits of modular blockchains 🧵

Modular blockchains are the result of separating the core components of a single blockchain and running them on separate layers.

Here’s what makes them powerful 👇

Scalability

Layers that specialize on a couple of core components allows for greater scalability innovations without the burden of making tradeoffs that come with a modular blockchain. For example, a modular DA layer with DA sampling can scale linearly with the number of users.

Interoperability

Blockchains can utilize a modular shared security layer, like Celestia, to enable trust-minimized bridging between blockchains in the same cluster. This increases both the security and ease at which blockchains can communicate with each other.

Read 5 tweets

Celestia

@CelestiaOrg

Jan 12

Blockchain bootstrapping costs 🧵

While the ease at which new blockchains can be created and deployed has improved over time, there are hurdles and costs associated with doing so. Currently, an independent blockchain can be created using a template, but the difficulty comes...

from the requirement to launch a new coin with a large distribution and find validators to help bootstrap the network. This process is time-consuming and can become considerably expensive.

Celestia provides a minimal base layer that makes it simple to develop blockchains…

at a low cost and deploy them quickly. For example, Optimint is building a template for an optimistic rollup that, when paired with Celestia, will allow anyone to create a rollup and immediately deploy it without costs from token launches and sourcing a large validator set.

Read 4 tweets

Celestia

@CelestiaOrg

Dec 27, 2021

Rollups on Celestia 🧵

Celestia does not support smart contract capabilities because it is designed to provide data and consensus for rollups, which will support them.

One advantage is that rollups will be able to explore new novel designs for settling proofs.

@MinaProtocol

One approach is for rollups to distribute proofs directly on the p2p network.

In this case proofs aren’t posted on any settlement layer, they are verified locally by clients of the rollup. This is similar to how @MinaProtocol works.

Another model is for rollups to utilize a settlement layer for proof verification or dispute resolution.

The settlement layer is also helpful for cross-rollup communication and provides an exit mechanism for rollup users.

This is similar to how Ethereum rollups work today.

Read 5 tweets

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