@inproceedings{727b8dbd512a4780940c39bfcc00b3c3,
title = "Arcula: A secure hierarchical deterministic wallet for multi-asset blockchains",
abstract = "This work presents Arcula, a new design for hierarchical deterministic wallets that brings identity-based public keys to the blockchain. Arcula is built on top of provably secure cryptographic primitives. It generates all its cryptographic secrets from a user-provided seed and enables the derivation of new public keys based on the identities of users, without requiring any secret information. Unlike other wallets, it achieves all these properties while being secure against privilege escalation. We formalize the security model of hierarchical deterministic wallets and prove that an attacker compromising an arbitrary number of users within an Arcula wallet cannot escalate his privileges and compromise users higher in the access hierarchy. Our design works out-of-the-box with any blockchain that enables the verification of signatures on arbitrary messages. We evaluate its usage in a real-world scenario on the Bitcoin Cash network.",
keywords = "Bitcoin, Blockchain, Hierarchical deterministic wallet, Hierarchical key assignment",
author = "\{Di Luzio\}, Adriano and Danilo Francati and Giuseppe Ateniese",
note = "Publisher Copyright: {\textcopyright} Springer Nature Switzerland AG 2020.; 19th International Conference on Cryptology and Network Security, CANS 2020 ; Conference date: 14-12-2020 Through 16-12-2020",
year = "2020",
doi = "10.1007/978-3-030-65411-5\_16",
language = "English",
isbn = "9783030654108",
series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",
publisher = "Springer Science and Business Media Deutschland GmbH",
pages = "323--343",
editor = "Stephan Krenn and Haya Shulman and Serge Vaudenay",
booktitle = "Cryptology and Network Security - 19th International Conference, CANS 2020, Vienna, Austria, December 14{\textendash}16, 2020, Proceedings",
}