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Non-Fungible Token (NFT): Overview, Evaluation, Opportunities and Challenges (Tech ReportV2) Qin Wang⋆2,4, Rujia Li⋆1,3, Qi Wang1, Shiping Chen4 1 Southern University of Science and Technology 2 Swinburne University of Technology 3 University of Birmingham 4 CSIRO Data61 Abstract. The Non-Fungible Token (NFT) market is mushrooming in recent years. The concept of NFT originally comes from a token stan- dard of Ethereum, aiming to distinguish each token with distinguishable signs. This type of token can be bound with virtual/digital properties as their unique identifications. With NFTs, all marked properties can be freely traded with customized values according to their ages, rarity, liq- uidity, etc. It has greatly stimulated the prosperity of the decentralized application (DApp) market. At the time of writing (May 2021), the total money used on completed NFT sales has reached 34,530,649.86 USD. The thousandfold return on its increasing market draws huge attention worldwide. However, the development of the NFT ecosystem is still in its early stage, and the technologies of NFTs are pre-mature. Newcom- ers may get lost in their frenetic evolution due to the lack of systematic summaries. In this technical report, we explore the NFT ecosystems in several aspects. We start with an overview of state-of-the-art NFT so- lutions, then provide their technical components, protocols, standards, and desired proprieties. Afterwards, we give a security evolution, with discussions on the perspectives of their design models, opportunities and challenges. To the best of our knowledge, this is the first systematic study on the current NFT ecosystems. Keywords: Blockchain · NFT · DApp · Smart contract 1 Introduction Non-Fungible Token (NFT) is a type of cryptocurrency [82] that is derived by the smart contracts of Ethereum [119]. NFT was firstly proposed in Ethereum Im- provement Proposals (EIP)-721 [116] and further developed in EIP-1155 [117]. NFT differs from classical cryptocurrencies [105] such as Bitcoin [98] in their intrinsic features. Bitcoin [98] is a standard coin in which all the coins are ⋆ These authors contributed equally to the work. Email: qinwang@swin.edu.au and rxl635@bham.ac.uk. arXiv:2105.07447v3 [cs.CR] 25 Oct 2021PDF Image | NFTs Non-Fungible Tokens Focus
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NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
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