19 Tweets 35 reads Mar 16, 2022
Celestia 101: Cloud computing for #Web3
Here's your everything guide to #Celestia, the modular blockchain that's disrupting crypto infrastructure
A thread🧵👇
1. Celestia is the first modular blockchain, with the goal to be the base layer for all chains.
That way, L1 and L2 can leave the groundwork to #Celestia and focus on execution and specialization.
2. Right now, the problem with most chains is that they try to everything and are building from the scratch.
This leads to inefficiency and reduced specialization.
3. Every blockchain has to do 3 core functions:
a) consensus, which refers to how everyone in a particular network agrees on things ( which transactions have happened, the order)
b) Execution, which refers determining which of those transactions are valid and update the chain
4. c) Data availability which refers to the transaction data being available to the nodes to download.
Lets look at #ETH. ETH uses nakamoto consensus and proof of work. It uses an Ethereum Virtual machine (EVM) to validate transactions.
5. This PoW based system has hampered ETH’s scalability. ETH is moving to PoS, which will use less energy.
However, ETH will still use the EVM to process transactions, meaning that transactions will not be processed in a better way
6. Enter #Celestia, a modular L1 that achieves scalability, flexibility and interoperability unmatched by previous blockchains
It is a pluggable consensus and data availability layer that allows people to deploy a blockchain quickly without having to create their own consensus
7. #Celestia is like cloud computing for web3.
Cloud services like AWS allowed users to launch websites on VMs that shared physical servers. Celestia allows users to launch Dapps on chains that share a consensus layer.
8. Monolithic chains kinda suck at a lot of things.
In monolithic chains, everyone executes all the transactions. The core functions of a blockchain, execution and consensus, happen simultaneously and are enforced by the same set of validators.
9. This makes it so that they are inherently not scalable. This is why everyone is building towards a multi chain future.
#ETH plans at doing this through rollups. While rollups are less flexible, they have shared security
10. #Cosmos does this through creating an ecosystem of interoperable L1s. These are cheaper and more flexible than rollups, but aren’t as secure.
Celestia combines these. Celestia combines Cosmos’ sovereign interoperable zones with a rollup-centric Ethereum with shared security
11. It does this through separating the blockchain stack into more specialized components.
The core functions, consensus and execution, are separated into different layers. So one layer can be dedicated solely to consensus and another layer can be dedicated to execution.
12. This allows for specialization and optimization.
In modular blockchains, a node only has to verify a small sample. This requires very little power, allowing phones to become nodes.
13. This is huge as it allows for efficiency, decentralization, security and scalability. This allows everything to become more optimized. The future is modular.
14. #Celestia is still in its early stages of development. There’s a lot coming out and this is a super exciting breakthrough.
For mass adoption, technology needs to become scalable. Celestia is making that happen.
15. As of yet, there isn’t a token out. But, soon, a token will be launched.
18. Hope this was insightful. I regularly post 101s and breakdowns, follow to keep up. Here are some of my past 101s:

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