총 40페이지

Cub-Economist
BeforeReading
Block Chain: According to a paper “The Authentication and Security of Virtual Currency Exchange” written by Professor Kim Do-
goan at Wonkwang University, it defines block chain as “A distributed data storage technology that stores data in blocks on online
transaction books, connects them in chain form, and copies them to numerous computers at the same time.” Whenever a new
transaction occurs, the information is made into a separate block, and this block is connected to the existing book. Unlike keeping
transactionrecordsonacentralserver,allparticipantsinthetransactionhavearecordofthetransactionhistory,soitisimpossible
toforgeorfalsifybecausealltransactionparticipantsshareinformationandcheckit.
Virtual Currency: Assets that do not have a physical form (like paper money or coins) and are traded online. Since it is distributed
based on blockchain, transaction mediators such as governments and central banks are not involved, there is no production cost
from issuing assets, and transaction costs can be greatly reduced. For example, this category includes cryptocurrencies, types of
virtual currency, such as Bitcoin and Ethereum. Bitcoin and Ethereum are something like real-world money, and NFTs are like gift
cards.AfterinvestinginanNFTwithEthereum,theNFTcanbeconvertedintorealcurrencylater.
uniquenessoftheBTSsignaturehasauniquevaluethatis
WhatisanNFT?
differentfromanyotherNikepieceofclothing,soitwould
NFTstandsforNon-FungibleTokenandisavirtualtoken*
not remain at the same original value when exchanged for
that verifies the owner of a digital asset using the block
otherNikeclothes.
chain technology. It is used to represent the originality
and ownership of digital assets by containing addresses
*Token: A token expresses an asset into digital form. It has various uses such
asgovernancetokensandutilitytokens.
indicatingdigitalfilessuchaspicturesandvideosintokens.
*Transaction hash: A transaction hash can be viewed as a transaction ID.
An NFT is a kind of a certificate of ownership. Therefore,
It takes the form of strings and numbers to help identify transactions in a
blockchainofaparticularcoin.
anNFTcanbesaidtobejustadigitalcertificate,different
from virtual and digital assets, which has the definition
of “Electronic token that can be traded or transferred
PrinciplesofNFTTechnology
electronically as having economic value.” An NFT is a
NFTs record ID, which are unique identifiers for tokens,
certificate that gives a certain value to digital assets, a
during the process of minting, transfer, and burn. Since
“helper”thathelpscreatevalue.
NFT has no physical entity, the ID is almost the only way
AtypicalfeatureofNFTsisthateachtokenisidentifiable
fortheNFTownertoprovethatheorsheistheowner.This
through a unique transaction hash*. In simple terms,
uniqueIDislikearesidentregistrationnumber.Minting,a
each NFT has a unique ID, so there cannot be more than
word derived from mint, which means casting money, is a
one identical NFT in the world. Compared to Bitcoin,
processofgivinguniquevaluetodigitalassetsasaconcept
cryptocurrencies such as Bitcoin can be replaced. For
ofimprintingauniqueserialnumbertodigitalassets.After
example, there is no problem exchanging one bitcoin
minting,linkinformation,metadata*, andmintingdateand
for another. Even after this exchange, one bitcoin in the
time are recorded in the NFT; and whenever a transaction
wallet maintains the same value as the bitcoin before the
occursafterthat,informationsuchassales,buyers,trading
exchange. However, an NFT is different, and has its own
date, and trading amount is also recorded. In this way,
irreplaceable value. For example, say that someone went
minting increases the reliability of the information and
to a BTS concert wearing Nike clothes and was lucky
clarifies ownership because the information recorded on
enoughtogetBTS’sautograph.Ifso,theclothingwiththe
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OCTOBER 2022

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