---
title: "What exactly do you know about the security of a block?"  
description: "What exactly do you know about the security of a block?"  
author: "Sandra Emily"  
published: 2022-05-19  
canonical: https://answers.mindstick.com/qa/97474/what-exactly-do-you-know-about-the-security-of-a-block  
category: "troubleshooting"  
tags: ["troubleshooting", "blockchain"]  
reading_time: 1 minute  

---

# What exactly do you know about the security of a block?

What exactly do you know about the [security](https://www.mindstick.com/articles/1671/wcf-security-in-dot-net-technology-using-c-sharp) of a [block](https://www.mindstick.com/interview/34449/difference-between-object-block-and-file-storage)?

## Answers

### Answer by Hitesh Vohra

- A robust cryptographic hash algorithm protects a block or the entire blockchain. A hash pointer is assigned to each block. Any change in the block's constituents will result in a change in the block's hash identification. As a result, it provides exceptional security. As a result, there is no need to be concerned about the safety or **security of data** stored in a block.
- Each new block in a cryptographic chain connects to all the blocks before it in such a way that tampering is nearly impossible. A consensus process validates and agrees on all transactions within the blocks, ensuring that each transaction is truthful and correct.

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**Read More: [How is a blockchain ledger different from an ordinary one?](https://answers.mindstick.com/qa/97477/how-is-a-blockchain-ledger-different-from-an-ordinary-one)**


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Original Source: https://answers.mindstick.com/qa/97474/what-exactly-do-you-know-about-the-security-of-a-block

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