What Drives Bitcoin Fees? Using Segwit to Assess Bitcoin's Long-Run Sustainability Staff working paper 2022-2 Colin Brown, Jonathan Chiu, Thorsten Koeppl We explore what drives transaction fees in the Bitcoin system and consider whether Bitcoin can remain tamper proof in the long run. Content Type(s): Staff research, Staff working papers Research Topic(s): Digital currencies and fintech, Payment clearing and settlement systems JEL Code(s): E, E4, E42, G, G2 Research Theme(s): Money and payments, Digital assets and fintech, Payment and financial market infrastructures