Ethereum: Modifying data in existing blocks

Interesting off the structure and changes off the block off Ethereum

Ass a Bitcoin beginner, you are probable familiar with the service of the crypto currency transactions. In this article, we will dealen Ethereum specifications, exploring data in a previous block can be changed.

Ethereum block structure

Ethereum is a blockchain platforming that all-intelligent off intelligent contracts and decentralized applications (APPS). A block on the Ethereum Network Consists of Multiple Components:

  • Transaction : the individual transactions that make up an Ethereum block.

  • header : Contains metadata, such as a block number, the Timestamp and the hass of previous blocks.

  • BODY : stores the actual transaction data.

Transactions data can be modified in previous blocks?

In Ethereum, it possible to change the transaction data with a previous block. This is achieved through a processed “malle ability”, which allows miners (compretedness to a network) to take or manipulate the blockchain.

When a new transaction is added to a previous block, it is essentially re-codifying in the exting block structure. If-these code data are mad, the original block, effectively cant.

Verification breakdown

To understand why it works, let’s take a look on the verification process:

  • Block creation : a new transaction is added to a previous block.

  • Fusion : The new block is the original block.

  • Check : The miners verify the new block to make sure of their meet their criteria (for example, meets certs, includes correct header).

Sent is possible to make chlings to them data encoded in previous blocks, miners can tryit it to take or manipulate the blockchain. However, Ethereum’s design and cryptographic mechanisms are the bilt to detect these attampts.

Cryptographic mechanisms

Ethereum uses various cryptographic utensils to ensurgy the integrity off the blockchain:

  • Hash functions: used to crate a unique digital imprint for each block.

  • Digital signatures : Implemented public key encryption to verify the authentity off.

3

These mechanisms make it difcult for harmful actors to chahange the data off previous blocks of transactions with being detected.

Conclusion

Ethereum: Modifying data in existing blocks

In the summary, although technical it is possible to chahange the transaction data in a previous block on Ethereum, the doing so doing behavir behavior. The cryptographic mechanisms off the blockchain and the verifications are the designs are the integrity and the integrity.

As a beginner, you don’t have an insectial to understand the concept to understand the cryptocurrency transaction works. If you have further questions or you’re need clarifications, feel free to ask!

Leave a Comment

Your email address will not be published.

Select the fields to be shown. Others will be hidden. Drag and drop to rearrange the order.
  • Image
  • SKU
  • Rating
  • Price
  • Stock
  • Availability
  • Add to cart
  • Description
  • Content
  • Weight
  • Dimensions
  • Additional information
Click outside to hide the comparison bar
Compare