segregated witness: Deep diving into Ethereum transactions

As we deepen in the intricacies of Ethereum’s block structure, a concept stands out as a particularly captivating: A separate witness (SW). In this article, we will explore what a SW transaction looks like and how it works on the Ethereum network.

Current transaction structure

Ethereum’s typical transaction consists of several components:

• Version : The Byte massif that determines the type of transaction (eg 0x01 for normal transaction).

• Inputcount : Citra, which shows the number of input parameters.

• [TXID] : The previous block identification number.

• …

Segregated witness transaction structure

The SW transaction is similar to an ordinary Ethereum transaction, but with a key difference:

• Instead of store all input in one byte massif, each input parameter is stored separately.

• Each input parameter is a prefix with a byte 0x01 (prefix Segwit).

• The transaction also includes additional metadata, such as the public keys of the sender and the receiver.

Here’s an example of a SW transaction:

`

Version | 0x01 | [txid] …

^^ ^

| 0x1a | [Inputparam1]

| 0x1e | [Inputparam2]

Version | 0x02 | [txid] …

^^ ^

| 0x19 | [Inputparam3]

`

As you can see, each input parameter is re -refined with the prefix 0x01 segwit and followed by the relevant public key. This allows for more effective storage of input and reduces the risk of key collisions.

How does the segregated witness work

When the user sends a SW transaction to the Ethereum network, it is checked by the network nodes using the following steps:

• Transaction transactions : The sender’s public key and the public key of the receiver shall be retrieved from the transaction.

• Extract of the input parameter : Each input parameter is identified and retrieves its corresponding public key.

• Removal of prefix

  : Prefix 0x01 Segwit is removed, revealing the raw input data.

• Verification : The received input data shall be checked by the network nodes using the Merkle tree or other mechanisms for checking based on the hash.

Benefits of a separate witness

The segregated witness offers several advantages:

* Effective storage : Each input parameter can be stored independently, reducing the use of memory and improving scalability.

* Improved security

: Reduced key clashes and increased accident in input data make SW more secure.

* Improved performance : Faster transaction processing times are achieved due to the reduced overhead check costs of each input parameter.

In conclusion, the segregated witness is a powerful concept that increases the efficiency, security and implementation of Ethereum transactions. Understanding how SW works, we can better appreciate the intricacies of the Ethereum network and explore its potential to improve the overall user experience.

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