NFT is the abbreviation of non-functional token in English, which means non homogenous token. To put it mildly, it is a certificate of authenticity in digital form, representing uniqueness and authenticity. In March this year, it was the derivative of bitcoin, which also relied on blockchain technology, but one was currency and the other was certificate. NFT is mostly linked to digital assets, such as digital images, digital tickets, digital artworks, etc. Every new concept can not be released without speculation. Therefore, a number of sky high priced digital works of art are coming out, and the wind is getting stronger and stronger. It is a kind of token, which is similar to a very distant planet, which is auctioned on the earth. The person who buys this planet does not get all the rights of the planet, but only owns a planet in name. Or it is the only Mona Lisa in the world, which is hung in an art Museum and someone auctions it to you, but the condition is that you can not get the Mona Lisa completely, The Mona Lisa is still hung in the art museum for tourists to enjoy. You only have the Mona Lisa in name, and this relationship is applied to the pictures uploaded to the Internet trading platform. You bought a picture on the Internet, but you didn't buy it. This picture can still be spread everywhere. It is said that heroes come out of teenagers. A 12-year-old boy in Britain drew some pixel pictures during the summer vacation, earning 350000 US dollars. The star library changed a pixel head portrait. It cost him 180000 US dollars, and sun Yuchen, the leader of the competition circle, bought a pixel head portrait and spent 10.5 million US dollars. Of course, the most mysterious thing is not these. In March this year, the NFC works forced by American graphic designers at Christie's auction house sold us $69.3 million, about 450 million yuan, and the auction started from US $100. We have caught up with Picasso Van Gogh's paintings, but these paintings are just a pile of air, a pile of digital files that can be seen and touched, and pixel paintings. The origin of NFT is so mysterious. 1993 - encrypted transaction card The predecessor of NFT can be traced back to 1993. Hal Finney shared an interesting concept - crypto trading cards with cypherpunks group on CompuServe. 2012 - colored coin In 2012, the first NFT like token colored coin was born. Colored coin is composed of small denominations of bitcoin, and the smallest unit is one Cong (the smallest unit of bitcoin). It can represent a variety of assets and have a variety of uses, including property, coupons, issuing company shares, etc. Colored coin shows the plasticity and development potential of the real asset chain and lays the foundation for the development of NFT. 2014 – counterparty In 2014, Robert Dermody, Adam krellenstein and Evan Wagner founded counterparty: a peer-to-peer financial platform, and established a distributed open-source Internet Protocol on the bitcoin blockchain. Counterparty supports asset creation, with decentralized exchanges, XCP contract currency and many projects and assets, including card games and meme transactions. 2015 - spells of Genesis Spells of Genesis game developers issue game assets on the chain through the counterparty platform, and issue bitcrystals tokens to support game development. The tokens can also be used as game currency. 2016 - force of will In August 2016, counterparty cooperated with force of will, the fourth largest selling card game in North America, to issue cards on the counterparty platform. Force of will is a large mainstream company with no previous experience in blockchain and cryptocurrency. This cooperation shows the interest of mainstream game companies in the digitization of game assets and is a symbolic exploration and attempt. 2016 - counterparty rare Pepes In October 2016, rare Pepes was issued in the form of assets on the counterparty platform. Rare Pepes is a meme with frog characteristics. These memes have a large fan base, and a meme exchange named rare Pepe meme directory has been established. 2017 - Ethereum rare Pepes In early 2017, Ethereum rose and meme transactions began to appear on Ethereum. In March 2017, peperium, a decentralized meme market and trading card game (TCG) project, enabled anyone to create memes permanently stored in IPFs and Ethereum. Peperium associated token rare can be used to create memes and pay for the listing of works. 2017 - cryptopunks In the NFT project cryptopunks by John Watkinson and Matt hall, two creative and technical experts, the characters were originally born in Ethereum. The total number of these pixel avatars is limited to 10000. No two characters can be the same, that is, they are unique, because these avatars are inseparable and irreplaceable. As long as they have an Ethereum wallet, anyone can request cryptopunk virtual characters for free. Moreover, they can also be traded in the secondary market after receiving them. Since the ERC 721 standard was not established at that time, cryptopunks did not follow the ERC 721 standard. Therefore, its virtual characters were not completely ERC 721. Therefore, the technical standard for cryptopunks to build virtual personas can be described as a mixture of erc721 and erc20. 2017 - cryptokitties Cryptokitties has pushed NFT from niche to mainstream. Cryptokitties is a blockchain virtual game launched by axiom Zen in Vancouver, which allows players to adopt, feed and trade virtual cats. The rise of cryptokitties coincided with the bull market in 2017. Driven by the enthusiasm of cryptokitties enthusiasts, the price of some virtual cats went up to US $100000, and the public noticed the potential and power of non-homogeneous tokens. Subsequently, axiom Zen spun off dapper labs, which obtained about US $15 million in financing from top investors such as a16z and Google ventures. From 2018 to 2021, NFT's early ecology gradually took shape From 2018 to 2020, the NFT market scale increased by 825%, the number of active addresses increased by 201%, the number of buyers increased by 144%, and the number of sellers increased by 113%. Although the transaction volume of NFT market is small compared with other cryptocurrency markets, its development trend is significant. In 2020, more brands are involved. Atari, Ubisoft, and the traditional collection card market have also begun to interact with NFT. The NFT market has reached a scale of 250 million US dollars In 2021, Christie's auction house, twitter CEO Jack Dorsey's tweets, Tesla CEO, Elon Musk's songs, NBA top shot, music and other traditional industries entered the NFT field, making the NFT market reach an unprecedented scale. Slowly, these NFTs have developed into some commodity binding in the real world. Through encryption technology, games, props, pictures, files and even codes are transformed into unique digital works of art. Every step of information will be recorded, and all processes can be traced back to the source. Each work is unique. In every transaction of NFT, the creators can share these characteristics, which has attracted many artists and supporters. However, the way to quickly appreciate the value of the treasures in their hands is that some people have made a reverse thinking, that is, to burn the components of their artworks. In March this year, in order to improve the value of the works, the original of the bank's work "fool" was burned live, making this NFC work a solitary product. Finally, it sold three times the price of the original, 2.47 million US dollars, The NFT market shows an upward trend. In August, the trading volume of open C reached US $3 billion. It took off rapidly in this month. For many artists, they have relied on social networking and operation sales for many years. Now they can sell their works of art to unknown collectors through the Internet. From this perspective, the whole thing is exciting, This means that artists can save social time through a transparent platform, so that they can invest in their own creation. Whether NFT is the future trend of art collections or a fantastic foam, we look forward to your comments.