What drives Bitcoin fees? : using Segwit to assess Bitcoin's long-run sustainability

Collin Brown, Jonathan Chiu, Thorsten V. Koeppl

We use block level data from the Bitcoin blockchain to estimate the impact of congestion and the USD price on average fee rates. The introduction and adoption of the Segwit protocol allows us to identify an aggregate demand curve for bitcoin transactions. We find that Segwit has reduced fee revenue by about 80%. Fee revenue could be maximized at a blocksize of about 0.6 MB when Segwit adoption remains at 40%. At this blocksize, maximum fee revenue would be roughly 1/8 of the current block reward - or the equivalent of 1.6375 BTC as a reward in the long run given current prices and demand for Bitcoin.

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Year of publication:	10-2019
Authors:	Brown, Collin ; Chiu, Jonathan ; Koeppl, Thorsten V.
Publisher:	Kingston, Ontario, Canada : Department of Economics, Queen's University
Subject:	Bitcoin \| Payment Systems \| Fees \| Congestion \| Segwit Protocol \| Virtuelle Währung \| Virtual currency \| Elektronisches Zahlungsmittel \| Electronic payment \| Bankentgelt \| Bank charge \| Bargeldloser Zahlungsverkehr \| Noncash payments \| Gebühr \| Charges \| Zahlungsverkehr \| Payment transactions