An Overview of Blockchain Indexing Protocol

An Overview of Blockchain Indexing Protocol

Blockchain is a thriving technology that is rapidly gaining popularity from various sectors of the marketplace. It was first recognized in 2008 for being the primary technology behind Bitcoin. But, as time passes by, the applications of Blockchain aren't limited to just one purpose for financial transactions but a variety of. 

  1. With a large number of cryptographic data on Blockchain, it becomes challenging to find and filter information on the decentralized platform. 
  2. In order to do this, you must make a key-value index using Redis, the decentralized Redis database to keep the data that you get from the Blockchain platform. 
  3. For instance, you can access Ethereum by means of an interface Ethereum offers as an application called web3 that allows access and retrieval of information from its own structure. 
  4. In the case of a distributed ledger, such as the Blockchain the information of an entity could be scattered across the entire system the ledger without an index which makes it difficult to find the data.
  5. This article focuses on how to use the Blockchain Indexing Protocol and its importance in relation to Blockchain Queries.

What is Indexing in Blockchain?

As blockchain technology gets more popular and used to facilitate transactions in a decentralized manner to enable real-world application scenarios it becomes necessary to be able to query the information stored on blockchain grows. In addition, due to blockchain's time-ordered structure, linked data is spread across a variety of blocks and there is no mechanism built-in to recognize the data, categorize it, or even ask for it.

What is Quering in Blockchain?

As an immutable and dispersed network that is not controlled by one-person control or manages and also has a consensus process to validate transactions and verify the authenticity of transactions written on it, Blockchain opens the door to many different uses. It has also led tech developers to think about different methods to increase the speed of the process of transactions. These techniques will better suit certain scenarios where the proof of work method isn't the most appropriate alternative.

A blockchain, as a distributed ledger, stores data. It is possible that the data that is stored on the chain will need to be accessed. A similar scenario could occur with the creation of an electronic blockchain that stores information about electronic health records. It's possible to access a particular patient's history of treatment over time.

What is the Problem of Indexing in Blockchain Query?

Blockchain technology provides the benefits of decentralization as well as tamper resistance which allows the storage of data in a secure manner. However, the technology currently in use does not have the best data management capabilities and allows only traversal queries that use transaction hashes in the form of variables. The method of querying that is that is based on the trace chain (ATTC) increases the efficiency of queries based on the account's transactions in the past. The effectiveness of searching for accounts that have long chains of transactions however has not been significantly enhanced.

What is Blockchain Indexing Protocol?

Now we know importance of Blockchain indexing is vital to index queries that are on the blockchain. Let's look at the process of indexing blockchain through these Blockchain indexing protocols. Blockchain Indexing Protocol is a distributed indexing system to manage blockchain data. This protocol is utilized by applications to access open APIs in order to retrieve information that is indexing on blockchain networks. Developers utilize blockchain indexing to build applications that are serverless and run on the public infrastructure. 

It permits the searching of data that is not accessible directly. Indexing protocols organize all data stored on the Blockchain and allow developers to carry out their front-end functions more effectively. One of the most well-known cases for the Blockchain Indexing Protocol is The Graph that implements the indexing protocols that promote the accessibility of apps that are decentralized through open and accessible APIs, also known as subgraphs. The Indexing tool can be used to find and retrieve information on Ethereum similar to what other indexing tools are able to do for traditional databases that are centralized.

How Does Graph's Indexing Protocol Function?

The Graph knows what to look for it is and how to index Ethereum information in accordance with subgraph manifests. Subgraph information describes the smart contracts to be monitored in a subgraph as well as the events that must be tracked within the contracts, and the way events should be mapped to the data to be saved by The Graph will save in its database.

When a subgraph manifest has been made, you can utilize the graph CLI to store it into IPFS and then instruct the indexer to start indexing the subgraph's data. The steps Flow Blockchain takes to index the queries are as the following:

  • A decentralized application provides information to Ethereum through the use of a smart contract.
  • While processing the transaction the smart contract triggers several events.
  • Graph Node is always scanning Ethereum for new blocks as well as the information they could offer for your subgraph.
  • Graph Node searches these blocks for Ethereum events that relate to your subgraph. It then performs the mapping handlers you've specified.
  • The mapping is a WASM module responsible for generating or updating the data entities the Graph Node holds in response to Ethereum events.
  • The app that is decentralized makes use of Graph Node's GraphQL endpoint to request the node's data that is indexed by the Blockchain. 
  • It Graph Node then converts the GraphQL queries into SQL queries to its underlying data store to retrieve the data using the store's indexing capabilities.
  • The decentralized software provides this information to users through a user-friendly interface, that they can utilize to make brand new Ethereum transactions. The process continues.

Endnote

Blockchain records data in a dispersed manner that makes it challenging when it comes to locating the data. Blockchain Indexing Protocol plays an important role in the procedure in the process of Blockchain Data Query. Users can use specific information according to their needs that are filtered through blockchain indexing.

Click here for more details: https://www.leewayhertz.com/blockchain-indexing-protocol/


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