For this research, books might contain really helpful background information, so you might want to search the Libraries' catalog (as an example this search for 'cryptocurrencies'). Or, you could search for more up-to-date information via the news database Factiva. There are also reports on blockchain, NFTs, and FinTech in the BCC Research database and you can search CB Insights by keyword/topic and see Companies, Deals and Investors involved with cryptocurrencies. Please contact the Business Librarian for further guidance.
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