1. Ante, L. (June 6, 2021). The non-fungible token (NFT) market and its relationship with Bitcoin and Ethereum. Available at SSRN: https://ssrn.com/abstract=3861106 or http://dx.doi.org/10.2139/ssrn.3861106.
2. Bambysheva, N. (2021). NFT Market Generated Over $23 Billion In Trading Volume In 2021, December 23, 2021, see https://www.forbes.com/sites/ninabambysheva/2021/12/23/nfts-generated-over-23-billion-in-trading-volume-in-2021/?sh=5f61f34f5f0a.
3. Bernardi, D. (2022). Three reasons why PlanB’s stock-to-flow model is not reliable, January 2, 2022, https://cointelegraph.com/news/three-reasons-why-planb-s-stock-to-flow-model-is-not-reliable.
4. Bloomenthal, A. (2022). What Determines Bitcoin's Price? May 11, 2022, https://www.investopedia.com/tech/what-determines-value-1-bitcoin/.
5. Borri, N., Liu, Y., & Tsyvinski, A. (2022). The Economics of Non-Fungible Tokens, working paper, March 2022.