Zobrazeno 1 - 10
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pro vyhledávání: '"Karame, Ghassan"'
Light clients are gaining increasing attention in the literature since they obviate the need for users to set up dedicated blockchain full nodes. While the literature features a number of light client instantiations, most light client protocols optim
Externí odkaz:
http://arxiv.org/abs/2410.03347
Autor:
Andreina, Sébastien, Cloosters, Tobias, Davi, Lucas, Giesen, Jens-Rene, Gutfleisch, Marco, Karame, Ghassan, Naiakshina, Alena, Naji, Houda
Solana gained considerable attention as one of the most popular blockchain platforms for deploying decentralized applications. Compared to Ethereum, however, we observe a lack of research on how Solana smart contract developers handle security, what
Externí odkaz:
http://arxiv.org/abs/2406.13599
Autor:
Albrecht, Jannik, Andreina, Sebastien, Armknecht, Frederik, Karame, Ghassan, Marson, Giorgia, Willingmann, Julian
Extensive research on Nakamoto-style consensus protocols has shown that network delays degrade the security of these protocols. Established results indicate that, perhaps surprisingly, maximal security is achieved when the network is as small as two
Externí odkaz:
http://arxiv.org/abs/2404.09895
Publikováno v:
Proceedings of the AAAI Conference on Artificial Intelligence, 38(19), 2024, 21859-21868
Although promising, existing defenses against query-based attacks share a common limitation: they offer increased robustness against attacks at the price of a considerable accuracy drop on clean samples. In this work, we show how to efficiently estab
Externí odkaz:
http://arxiv.org/abs/2312.10132
Forking attacks against TEEs like Intel SGX can be carried out either by rolling back the application to a previous state, or by cloning the application and by partitioning its inputs across the cloned instances. Current solutions to forking attacks
Externí odkaz:
http://arxiv.org/abs/2310.03002
Autor:
Smolka, Sven, Giesen, Jens-Rene, Winkler, Pascal, Draissi, Oussama, Davi, Lucas, Karame, Ghassan, Pohl, Klaus
Solana has quickly emerged as a popular platform for building decentralized applications (DApps), such as marketplaces for non-fungible tokens (NFTs). A key reason for its success are Solana's low transaction fees and high performance, which is achie
Externí odkaz:
http://arxiv.org/abs/2309.03006
Autor:
Rodler, Michael, Paaßen, David, Li, Wenting, Bernhard, Lukas, Holz, Thorsten, Karame, Ghassan, Davi, Lucas
Smart contracts are increasingly being used to manage large numbers of high-value cryptocurrency accounts. There is a strong demand for automated, efficient, and comprehensive methods to detect security vulnerabilities in a given contract. While the
Externí odkaz:
http://arxiv.org/abs/2304.06341
The wide success of Bitcoin has led to a huge surge of alternative cryptocurrencies (altcoins). Most altcoins essentially fork Bitcoin's code with minor modifications, such as the number of coins to be minted, the block size, and the block generation
Externí odkaz:
http://arxiv.org/abs/2205.07478
Permissionless blockchains such as Bitcoin have long been criticized for their high computational and storage overhead. Unfortunately, while a number of proposals address the energy consumption of existing Proof-of-Work deployments, little attention
Externí odkaz:
http://arxiv.org/abs/2205.04108
In spite of their popularity, developing secure smart contracts remains a challenging task. Existing solutions are either impractical as they do not support many complex real-world contracts or leave the burden to developers for fixing bugs. In this
Externí odkaz:
http://arxiv.org/abs/2203.00364