@article{gda-ppna21,
	author = "Luca Serena and Stefano Ferretti and Gabriele D'Angelo",
	title = "Cryptocurrencies activity as a complex network: Analysis of transactions graphs",
	journal = "Peer-to-Peer Networking and Applications",
	year = "2021",
	issn = "1936-6450",
	doi = "10.1007/s12083-021-01220-4",
	url = "https://rdcu.be/czlMi",
	publisher = {Springer}}