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Blockchain Censorship. (arXiv:2305.18545v1 [cs.CR])
cs.CR updates on arXiv.org arxiv.org
Permissionless blockchains promise to be resilient against censorship by a
single entity. This suggests that deterministic rules, and not third-party
actors, are responsible for deciding if a transaction is appended to the
blockchain or not. In 2022, the U.S. Office of Foreign Assets Control (OFAC)
sanctioned a Bitcoin mixer and an Ethereum application, putting the neutrality
of permissionless blockchains to the test.
In this paper, we formalize quantify and analyze the security impact of
blockchain censorship. We start by defining …
application assets bitcoin bitcoin mixer blockchain blockchains censorship control ethereum mixer neutrality ofac office party responsible rules single third third-party transaction