Bitcoin: How light can an input be?

Bitcoin input limitations: Numbestes study

As the Bitcoin transaction format increases and the size of the block, the complexity of cryptographic operations increases. One of the critical aspects is the size of the input, especially for transaction entries (TXS). In this article, we go deeper into how bitcoin input size is calculated using the “Cfetetetete: GetSee” function and examine what limits are applied to TXs to ensure safe and efficient transaction processing.

Understanding Numbels

In the Bitcoin core (Bitcoin-core/coinbase.c) Customer, the” CFEtetete :: GetSe “function takes two parameters:Num_bytes iFee_Proo_byte. The purpose of this function is to calculate the total transaction rate, which includes input size (in bytes) and output rates.

Calculation of input size

According to Bitcoin Core (“Bitcoin-core/coinbase.c, section 19.4), the input size calculation includes two stages:

  • Determining the maximum input value : This is achieved by taking a maximum ofNum_bytesand the size of the block header (which can be up to 44 bytes).

2.

The smallest input size

To determine what is considered the smallest input size for transactions, we must examine the documentation of the main bitcoin programmers (Bitcoin-Dev/Bitcoincore-head.txt):

“The maximum possible input value in a single transaction is 3^32 bytes (1 exhaust).”

This suggests that the largest possible input size for a single transaction is about 3 outbayers.

RESTRICTIONS AND IMPLICATIONS

Given this information, let’s consider which borders are imposed on TXs. In practice, the smallest input size will always be limited to the maximum value allowed in a transaction:

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  • Maximum input size: 3^32 bytes = 1 Exabyte (½ 1.125 gb)

This means that even the highest possible input values ​​are still limited by this limit.

Consequences and future improvements

Although this limit is unlikely in practice, it is necessary to understand its consequences for the scalability and safety of Bitcoin:

* Reduced transaction processing

: TX with large inputs will decrease creation and validation due to increased calculation costs.

* Increased rates : As transactions become higher, the bytes rate increases, potentially leading to higher costs to miners.

To relieve these problems, future improvements can focus on increasing the maximum input value or testing alternative solutions that can accommodate more significant TXs, maintaining safety and performance.

Application

To summarize, understand how the size of Bitcoin input is calculated, provides valuable information about the borders imposed by the system. Although this may seem a limitation, the restriction guarantees safe and efficient processing. Because new cases of bitcoins are examined, it is necessary to consider the implications of these restrictions on the scalability, safety and economy of mining.

ETHEREUM COINBASE MENTIONED