Why Fixed Costs Matter for Proof-of-Work Based Cryptocurrencies Staff Working Paper 2020-27 Rodney J. Garratt, Maarten van Oordt Can Bitcoin survive? Some say it will become vulnerable to attacks as the rewards for processing Bitcoin transactions continue to decline. The economics of fixed costs suggest the specialized hardware used to mine Bitcoin may be key to its survival. Content Type(s): Staff research, Staff working papers Topic(s): Digital currencies and fintech, Payment clearing and settlement systems JEL Code(s): G, G1, G10, L, L1, L11