1. [n. d.]. The growth of the Lightning Network. https://k33.com/research/archive/articles/the-growth-of-the-lightning-network.
2. [n. d.]. Lightning network gossip datasets and topology. https://github.com/lnresearch/topology.
3. [n. d.]. ns-3 network simulator. https://www.nsnam.org/.
4. [n. d.]. Ripple data. https://data.ripple.com/.
5. [n. d.]. Visa fact sheet. https://www.visa.co.uk/dam/VCOM/download/corporate/media/visanet-technology/aboutvisafactsheet.pdf.