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5.3 Human Centered Design Process Focusing on user feedback has brought major benefits to the development of the project. It has influenced the motivation, the features and the user experience. There have been 3 iterations of HCD, the first two having been presented in the Design chapter. The final one is more extensive and involves qualitative research with potential users from varied backgrounds. 5.3.1 Final iteration The first two iterations have both been conducted with mentors from industry who gave us insight into the Ethereum space and DeFi. For the last iteration, we have received feedback from potential users, having different background and experience in using blockchain solutions. They were seven blockchain users from Imperial Blockchain and Crypto-Technologies society, London Blockchain Labs [66] and StakeZero Ventures. Since it was a qualitative study, the focus was not on having many participants, as it is the case in quantitative studies. Even so, the feedback was undoubtedly useful and insightful since we have been thorough with the questions asked. We were able to find common trends and analyze them. The study was focused around three main usability metrics: • Overall reaction • Perceived usefulness • Perceived ease of use Additionally, the feedback was split into two parts: 1. Initially, the participants were each presented with a demo followed by a one- to-one interview about the platform. The interviews were between 15 and 30 minutes long and had open-ended questions. The discussion was adjusted to the knowledge and experience of each participant. The interviews have also been recorded for retrospective testing and better un- derstanding of our participants and their opinions. This enabled us to compare answers and discusses the observed treds. The recordings will be kept for 30 days and can be retrieved upon confirmation of consent from each participant. 2. Following the interview, each participant completed a questionnaire about their experience and views about NFT.finance. The interviews were tailored to each participant and analyzed more information and feedback. It also enabled them to ask any questions or request clarifications for using the platform. The opinions received varied based on the participant and their understanding of blockchain, as well as their previous experience with DeFi products. 64PDF Image | NFT finance Leveraging Non-Fungible Tokens
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