Bitcoin is NOT blockchain! A quick guide for the key concepts of blockchain

6 months ago

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How well do you know about blockchain and Bitcoin?

For those who think that blockchain is Bitcoin, you must read this post. If you have a hard time explaining the relationship between blockchain and Bitcoin in 3 seconds, or if there are MCS traders who think 'Blockchain = Bitcoin', please read this post to the end. MCS will straighten out the widespread misunderstanding.


What is Blockchain?

Blockchain refers to the core technologies used in cryptocurrencies such as Bitcoin and Ethereum. Blockchain is an algorithm that stores the confirmed transaction details for a certain period of time in a block, connects them to an existing chain of blocks (thus called "blockchain"), and copies and distributes them to many others. In simple terms, blockchain is a 'distributed ledger' technology, and it is a technology that distributes and manages transaction history among a large number of people rather than managing it in a centralized database.

There are 3 types of blockchain in the blockchain: public blockchain, private blockchain, and hybrid blockchain.

1.Public blockchain

A public blockchain is an open blockchain network that anyone can participate freely. Therefore, you join the blockchain network without someone's approval if you have a computer and the Internet. A computer participating in the blockchain network is called a 'node'. Each node can copy and store data in the blockchain and create new blocks through "hashing", famously known as mining.

In the case of the public blockchain, the cryptocurrency of each network is issued and provided to reward participating nodes in the blockchain network. In other words, the participation reward is cryptocurrency!


2. Private blockchain

A private blockchain is a closed blockchain network that can only be participated by predetermined organizations or individuals. In order to participate in a private blockchain network, as opposed to a public blockchain, it must be approved by the administrator of the corresponding private blockchain network, and disapproved organizations or individuals cannot participate in the blockchain network. In the case of a private blockchain, only a small number of authorized participants participate, so it is possible to maintain a high level of confidentiality, and only trusted people can participate for a fast blockchain network speed. However, since the blocks are created by a small number of participants, its data reliability is lower than public blockchains.


3. Hybrid Blockchain

A hybrid blockchain combines the characteristics of public and private blockchains. A hybrid blockchain is a blockchain that complements the shortcomings of public and private blockchains and maximizes the advantages. In the case of hybrid blockchain, it can be subdivided into a double chain, an interchain, and a consortium blockchain.

3.1. Double chain

A double Chain is a method in which confidential information of a company that requires a high level of security is stored in a private blockchain, and information that can be disclosed to the public is connected to a public blockchain.

3.2. Interchain

An interchain is a blockchain that connects different blockchain networks. In an interchain, a product originally designed to be usable with only A coin can be used with B coin which is connected to the same interchain network. Blockchain projects that implement interchain include Icon, Aion, Cosmos, and YGGDRASH.


What is Bitcoin?

Bitcoin is the first cryptocurrency created on the basis of public blockchain technology. In 2008, the Bitcoin white paper was first released, and on January 3, 2009, Genesis Block, the very first block, was created. Since the Bitcoin blockchain network is a public blockchain, all participants can freely participate in the Bitcoin blockchain network without approval, and Bitcoin blockchain nodes are rewarded with Bitcoin whenever they contribute to the creation of the Bitcoin blockchain. Bitcoin's block reward is reduced by half according to the number of blocks created. This is called 'halving'. On November 28, 2012, the first halving reduced the block reward from 50 to 25, and from 25 to 12.5 through the second halving on July 9, 2016. After the most recent third halving on May 11, 2020, the reward is now 6.25.

We hope that now you grasped the definition of blockchain and Bitcoin and their relationship. 'Blockchain', one of the distributed ledger technologies, and 'Bitcoin ', one of the cryptocurrencies of public blockchain networks, have a clear distinction. If there are people who still get confused about Bitcoin and blockchain, please recommend this post to them!


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Published 6 months ago