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A decentralized network has a daisy chain structure. A block in mining is a key unit that contains transaction data. All crypto miners try to solve a complex computational problem to continue the chain and add new transactions to the blockchain. There is a reward for this by the algorithm. The miner also gets all the commissions from the transfers.

What is a block in mining

It is a software-generated structure with the necessary information for the decentralized network. Each new unit is added to the end of the chain. It cannot be removed or replaced because it contains information about the previous pieces. The process of building out is continuous. The editorial goes into more detail about creating a small piece of a large puzzle.

Why and how it is created

Each transaction with cryptocurrency is recorded in the registry. To put it there, you must first create a block. This is done by a computing device – a miner. It connects to the network and starts searching. The more devices mine cryptocurrency, the higher the complexity and potential profit.

What it consists of

The block includes a lot of information. It usually consists of such elements:

• Magic Number. This is a number that contains specific values. They identify the block as part of the network of a particular cryptocurrency.
• Blocksize. Sets a limit on the size of the unit so that only a certain amount of data can be written into it.
• Block header. Contains information about the block.
• Transaction counter. A number that indicates how many transactions are stored in the block.
• Transactions. A list of all transactions.

The block header encrypts keys that contain information about the present and previous units of the chain. The step that brings the cryptocurrency transfer to completion is also recorded.

1

ByBit

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바이비트는 암호화폐 거래를 위한 편리하고 안전한 조건을 제공하며, 낮은 수수료, 높은 수준의 유동성, 시장 분석을 위한 최신 도구를 제공합니다. 현물 및 레버리지 거래를 지원하며 직관적인 인터페이스와 튜토리얼을 통해 초보자와 전문 트레이더를 돕습니다.

2

바이낸스

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암호화폐 세계에서 빠르고 안전하게 여정을 시작할 수 있는 최대 규모의 암호화폐 거래소입니다. 이 플랫폼은 수백 개의 인기 자산, 낮은 수수료, 거래 및 투자를 위한 고급 도구를 제공합니다. 간편한 등록, 빠른 거래 속도, 안정적인 자금 보호 기능을 갖춘 바이낸스는 모든 수준의 트레이더에게 최고의 선택입니다!

Size

The number of transactions in a block is affected by its size. For example, for the original Bitcoin network, it is 2 Mbytes. The structure fits a limited number of transactions. It also has a weight that affects its speed and cost. The larger the transfer amount, the heavier the transaction.

A 0.0001 BTC transfer will weigh approximately 226 bytes. The average number of transactions in one unit of the blockchain is 2,500. Bitcoin transfers are countless. A queue is formed to get into a new part of the blockchain. And the bigger it is, the higher the cost of commission in the network.

In November, for 1 transfer in BTC had to give an average of $1.6.

The introduction of Segregated Witness (SegWit) increased the size of the Bitcoin block to 4 Mbytes. The table lists the pros and cons of this update.

Empty blocks

The Bitcoin blockchain has a lot of computing devices running. They are busy searching for the next block in cryptocurrency mining. Once a participant has solved the problem and added a new element to the chain, the others start pumping in information. It is needed to compute the next structure. This takes some time, and power is wasted. That is why many people solve several tasks not step by step, but simultaneously.

Miners enter the first transaction (coinbase transaction) into the structure. It does not contain information about the previous part of the blockchain. It may be empty due to low activity in the network. This phenomenon was common in the early stages of Bitcoin. Now the trend is decreasing due to constant software improvements.

How to distinguish between identical blocks

Sometimes it happens that several miners in the same time solve the same computational task. There is a possibility of creating identical structures. The main chain begins to branch, new units of the blockchain may appear. Devices connected to the network favor a structure whose computation was more complex. If these were identical, computing devices choose the unit that was generated faster. Side branches are cut off, and all transactions therein are queued.

작성자: 사이페데인 암무스암호화폐 경제학 전문가입니다.