Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains

Providing unrestricted access to sensitive content such as news and software is difficult in the presence of adaptive and resourceful surveillance and censoring adversaries. In this paper we leverage the distributed and resilient nature of commercial Satoshi blockchains to develop the first provably...

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Autores principales:	Recabarren Ruben, Carbunar Bogdan
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2022
Materias:	blockchain censorship resistance privacy Ethics BJ1-1725 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/08089491293e475b877b73eba0fe42ac
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spelling	oai:doaj.org-article:08089491293e475b877b73eba0fe42ac2021-12-05T14:11:10ZToward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains2299-098410.2478/popets-2022-0011https://doaj.org/article/08089491293e475b877b73eba0fe42ac2022-01-01T00:00:00Zhttps://doi.org/10.2478/popets-2022-0011https://doaj.org/toc/2299-0984Providing unrestricted access to sensitive content such as news and software is difficult in the presence of adaptive and resourceful surveillance and censoring adversaries. In this paper we leverage the distributed and resilient nature of commercial Satoshi blockchains to develop the first provably secure, censorship resistant, cost-efficient storage system with anonymous and private access, built on top of commercial cryptocurrency transactions. We introduce max-rate transactions, a practical construct to persist data of arbitrary size entirely in a Satoshi blockchain. We leverage max-rate transactions to develop UWeb, a blockchain-based storage system that charges publishers to self-sustain its decentralized infrastructure. UWeb organizes blockchain-stored content for easy retrieval, and enables clients to store and access content with provable anonymity, privacy and censorship resistance properties.Recabarren RubenCarbunar BogdanSciendoarticleblockchaincensorship resistanceprivacyEthicsBJ1-1725Electronic computers. Computer scienceQA75.5-76.95ENProceedings on Privacy Enhancing Technologies, Vol 2022, Iss 1, Pp 207-226 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	blockchain censorship resistance privacy Ethics BJ1-1725 Electronic computers. Computer science QA75.5-76.95
spellingShingle	blockchain censorship resistance privacy Ethics BJ1-1725 Electronic computers. Computer science QA75.5-76.95 Recabarren Ruben Carbunar Bogdan Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
description	Providing unrestricted access to sensitive content such as news and software is difficult in the presence of adaptive and resourceful surveillance and censoring adversaries. In this paper we leverage the distributed and resilient nature of commercial Satoshi blockchains to develop the first provably secure, censorship resistant, cost-efficient storage system with anonymous and private access, built on top of commercial cryptocurrency transactions. We introduce max-rate transactions, a practical construct to persist data of arbitrary size entirely in a Satoshi blockchain. We leverage max-rate transactions to develop UWeb, a blockchain-based storage system that charges publishers to self-sustain its decentralized infrastructure. UWeb organizes blockchain-stored content for easy retrieval, and enables clients to store and access content with provable anonymity, privacy and censorship resistance properties.
format	article
author	Recabarren Ruben Carbunar Bogdan
author_facet	Recabarren Ruben Carbunar Bogdan
author_sort	Recabarren Ruben
title	Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
title_short	Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
title_full	Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
title_fullStr	Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
title_full_unstemmed	Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains
title_sort	toward uncensorable, anonymous and private access over satoshi blockchains
publisher	Sciendo
publishDate	2022
url	https://doaj.org/article/08089491293e475b877b73eba0fe42ac
work_keys_str_mv	AT recabarrenruben towarduncensorableanonymousandprivateaccessoversatoshiblockchains AT carbunarbogdan towarduncensorableanonymousandprivateaccessoversatoshiblockchains
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Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains

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