Celestia

Celestia is described as a modular data availability network that significantly scales its capabilities with the increase in the number of users. This innovative approach allows for the easy launch of independent blockchains by different users. The key technological innovation in Celestia is data availability sampling (DAS), which underpins the network's ability to scale effectively with user growth. Celestia's architecture is designed in such a way that it separates execution from consensus, which is a departure from traditional blockchain architectures. This separation allows Celestia to function as a minimal blockchain, focusing primarily on data availability​​.

TIA, the native asset of Celestia, fulfils several critical roles within the network:

• Paying for Blobspace: Developers use TIA to pay for data availability services on the Celestia network. This is done through 'PayForBlobs' transactions, where the fees are denominated in TIA.
• Bootstrapping New Rollups: Celestia allows developers to launch their own blockchain with ease, similar to deploying a smart contract. In this context, TIA can be used as a gas token and currency for these newly deployed blockchains, especially in their initial stages. This alleviates the need for developers to issue a new token immediately.
• Proof-of-Stake: Celestia uses a proof-of-stake mechanism, which is built with the Cosmos SDK. This allows users to participate in securing the network by delegating their TIA to validators in exchange for a portion of the staking rewards.
• Decentralised Governance: Holders of TIA also play a crucial role in the decentralised governance of Celestia. They can vote on network parameters and governance proposals and have a say in the governance of the community pool, which receives a portion of the block rewards​​​​.