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Chapter 5 Evaluation The project set-out to be a useful addition to the DeFi ecosystem and in this section we will look at multiple metrics that measure its success in achieving this. Being a product that we intend to release on the Main Ethereum network, we will also discuss more user feedback received during the final iteration of the Human Centered Design research process. To begin this section, I will re-iterate the two main features of the platform: • Leasing: peer-to-peer leasing of NFTs. • Lending: peer-to-peer loans having NFTs locked as collateral. They enable new interactions with NFTs, leveraging the ownership of those crypto-assets. 5.1 Smart Contract Security We have taken the following security measures for our smart contracts: • Use of OpenZeppelin standards such as IERC721 , Pausable and IERC721Receiver as discussed in the implementation section. Using their audited smart contracts and standard practices enabled us to cor- rectly handle ERC-721 tokens. • Making the smart contracts Pausable will add a layer of security in case any breaches are to be found at a later stage. As discussed in the implementation chapter, the return of funds or the return of NFTs is not paused, only the addition of new offers. • Usage of Checks-Effects-Interactions Pattern by performing checks and defin- ing modifiers that are required before the function is executed. • Interactions with external smart contracts are kept as last step of the functions in order to avoid state changes after the call, should a smart contract be malicious. This can also address re-entrancy attacks. • Using call() instead of transfer() or send() . 62PDF Image | NFT finance Leveraging Non-Fungible Tokens
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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
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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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