Bitcoin - An Analysis [28C3]





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Uploaded on Dec 29, 2011

Bitcoin - An Analysis

Bitcoin is the first distributed, digital currency. It received a lot of attention recently as it questions the state monopoly to issue legal tender. It relies on distributed proof-of-work concepts to ensure money-like characteristics.

The existence and potential widespread use of such a distributed, non-centralized, non-regulated currency questions the ability of governments to control money supply, issue debt, and tax its populace.

Transactions in bitcoin form a publicly accessible network of economic relations, which can be extracted from the transaction history available to all users in the P2P-network of bitcoin.

Using re-identification algorithms it is possible to attack the proposed anonymity of users. While this is already an interesting security issue, the insight into a real-world economic experiment allows for the first time the empirical test of community structures in such social networks, which is definitely more substantial than the "I-like"-network in facebook and the like.

In this presentation, we show results on network analysis of the money flow, the behavior of individuals, and the overall scalability of P2P-currencies. At the same time we will discuss advanced "financial instruments" that one might find in the transactions.

Speaker: Kay Hamacher, Stefan Katzenbeisser
EventID: 4746
Event: 28th Chaos Communication Congress (28C3) by the Chaos Computer Club [CCC]
Location: Berlin Congress Center [bcc]; Alexanderstr. 11; 10178 Berlin; Germany
Language: english
Start: 29.12.2011 14:00:00 +01:00
License: CC-by-nc-sa

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