What happens when blockchains begin to scale? You run into the problem of Data Availability (DA). We break down what it is and how <a href="https://twitter.com/CelestiaOrg" rel="noopener noreferrer nofollow">Celestia</a> is innovating the scalable data layer architecture.<img src="https://academy-public.coinmarketcap.com/srd-optimized-uploads/ff836e8e4a89455dae4b00ae014ace17.png" /><h4>TL;DR: Why should DA matter to you?</h4>It comes down to cost - transaction fees can get high during high-use periods. With chains becoming increasingly developed in the past several years, scaling has become a critical priority for networks buckling under increasing transaction volume.<img src="https://academy-public.coinmarketcap.com/srd-optimized-uploads/8941830ba1cd43598868aafd7dc43bd7.jpeg" />--Before we get started…get the latest news and research from M6 Labs directly in your inbox before Crypto Twitter! <a href="https://www.m6labs.co/" rel="noopener noreferrer nofollow">Subscribe to our Substack</a> for institutional quality content curated by a community of degens. Done? Now let’s dive in!--A popular solution that has been proposed is to separate program execution from the Layer 1 consensus mechanism, by offloading the former to off-chain operators. Data availability guarantees that anyone can view and download the published data at all times.Monolithic blockchains by design are unable to meet the demands of the crypto economy. As a result, blockchain architecture is gradually evolving to meet demand and satisfy user needs at a low cost per transaction.Blockspace on monolithic chains has become very expensive due to the high demand. It has also become difficult for nodes to participate in the chain without a powerful machine. This has resulted in node centralization, weakening the chain&#39;s security.The main problem is SCALABILITY. Monolithic chains are finding it difficult to scale without sacrificing security or decentralization. This problem is famously known as the BLOCKCHAIN TRILEMMA.<img src="https://academy-public.coinmarketcap.com/srd-optimized-uploads/b1cae7674caf4060b5a5330f1ebc3958.png" />Functions of a blockchain:<ul><li>Consensus – an agreement over the transactions</li><li>Data Availability – transaction data stored on the blockchain</li><li>Execution – executing the posted transactions</li><li>Settlement – verifying proofs &amp; coordinating cross-chain asset transfers</li></ul>A monolithic blockchain performs all the functions on its own. Modular blockchains, on the other hand, create a new paradigm of blockchain architecture by distributing individual blockchain functionalities to independent layers that work together as a system.<img src="https://academy-public.coinmarketcap.com/srd-optimized-uploads/b271006ab8be478f91a1a6be88a6c4f7.png" />A significant amount of data will need to be stored on the blockchain for crypto to grow on a global scale. Due to the blockchain&#39;s immutability feature, data will also accumulate on the blockchain as more and more transactions are executed on the network.As a result, every blockchain will inevitably need to have efficient ways of storing its data (DATA AVAILABILITY) in the future. The demand for transaction data to be stored permanently will increase exponentially as Web 3 gets adopted around the world.Modular blockchain architecture allows a much higher throughput of data availability by separating data availability from other blockchain operations. By separating these functions, one can easily build applications that are much more data-heavy like rollups.Thus, a crucial aspect of scaling the crypto world will be data availability. <a href="https://twitter.com/CelestiaOrg" rel="noopener noreferrer nofollow">Celestia</a> is one of the pioneers of the modular blockchain architecture. They provide Data Availability and Consensus layers within the modular stack.<img src="https://academy-public.coinmarketcap.com/srd-optimized-uploads/07b9ed58e93840b0bf1f176f8ccc190b.png" />Celestia serves as a scalable data layer for other modular layers. The network capacity and the amount of data that is made available scales with the network&#39;s growth. Celestia can manage increased demand for blockspace by being highly parallelizable.It splits each block into sections to perform operations on different columns &amp; rows of that block simultaneously. They call this Internal Sharding. With its scalable data availability layer, Celestia offers an ideal solution to current scalability and gas fee problems.Wanna know more about Celestia? Check out our other <a href="https://twitter.com/Momentum_6/status/1554852576155533312?s&#61;20&amp;t&#61;kV--sns9wGjzn0qCyr0aHg" rel="noopener noreferrer nofollow">thread</a> comparing Celestia to Monolithic Blockchains!Progress in Web 3 is frequently accompanied by developments in data storage. Therefore, in order to achieve a better TPS with low gas fees, we will need efficient data availability methods.Thankfully there are plenty of gigabrained teams and developers out there working at solving this problem and cracking the Blockchain Trilemma.--<a href="https://www.m6labs.co/" rel="noopener noreferrer nofollow">Subscribe</a> to receive our daily brief, extended weekly newsletter, and in-house research content! 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What is Data Availability?

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