A soon-to-be-released study centers on evidence that bitcoin’s market has matured to a point where commerce is no longer driven by illicit activities.
Drafted by researchers from the central bank of Germany, University College London and the University of Wisconsin-Madison, the paper argues that bitcoin has passed through three distinct phases of growth as a distributed payment system, the most recent and current of which they assert is driven by "legitimate payments, commerce and services".
As such, the study sheds light on a key question that the bitcoin network continues to face: whether it should face more scrutiny than other, more established payment networks.
The paper reads:
For the study, researchers Paolo Tasca, Shaowen Liu and Adam Hayes sought to de-anonymize a database composed of "millions" of pseudonymous bitcoin addresses, which they worked to distill into "super clusters" they assert are owned by one entity or managed collectively.
From there, the researchers sought to sort these clusters of addresses into four categories – bitcoin exchanges, gambling services, mining pools and black markets. The report then traces the transaction history between these entities over time, finding that the first two phases of the network were dominated by mining activities and "sin enterprises" respectively.
The third and current phase, the report said, is now dominated by legitimate merchants and exchanges.
"We can thus refer to the first regime as the 'proof of concept' or 'mining-dominated' phase, the second as the 'sin' or 'gambling/black market-dominated' phase, and the third as the 'maturation' or 'exchange-dominated' phase," the paper reads.
Notably, the report asserts this has happened even as the number of illicit black market websites has increased in the wake of the shutdown of the original Silk Road, one of the earliest significant drivers of bitcoin commerce.
The report also revealed new information about the activities of the entities it was able to identify and classify on the bitcoin network.
For instance, the report found the average gambler bets 0.5 BTC on average, and that these individuals often make multiple bets in the same day. Likewise, the average observable transaction between user-dealers and black market services was 3 BTC.
By comparison, the average transaction between a trader and an exchange, the report said, is for 20 BTC, with traders buying or selling via these services roughly every 11 days.
The researchers told CoinDesk they plan to submit the paper for feedback before publishing it in an academic journal.
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