The work provides a method for classifying blockchains and crypto-assets, facilitating their comparison for business and regulatory purposes. Blockchains - and more generally systems based on Distributed Ledger Technology (DLT) - adopt different technologic configurations, each distinguished by...

This paper proposes policies to improve the environmental sustainability of distributed ledger technology (DLT). While the proof-of-work (PoW) consensus protocol requires large amounts of electricity, several DLT protocols consume much less, while still being sufficiently reliable and...