Paper 2020/844
Generic Superlight Client for Permissionless Blockchains
Yuan Lu, Qiang Tang, and Guiling Wang
Abstract
We conduct a systematic study on the light-client protocol of permissionless blockchains, in the setting where full nodes and light clients are rational. In the game-theoretic model, we design a superlight-client protocol to enable a light client to employ some relaying full nodes (e.g., two or one) to read the blockchain. The protocol is ``generic'', i.e., it can be deployed disregarding underlying consensuses, and it is also ``superlight'', i.e., the computational cost of the light client to predicate the (non)existence of a transaction in the blockchain becomes a small constant. Since our protocol resolves a fundamental challenge of broadening the usage of blockchain technology, it captures a wide variety of important use-cases such as multi-chain wallets, DApp browsers and more.
Metadata
- Available format(s)
-
PDF
- Category
- Applications
- Publication info
- Published elsewhere. Minor revision. An abridged version of this paper will appear in the 25th European Symposium on Research in Computer Security (ESORICS) 2020.
- Keywords
- Blockchainlight clientgame-theoretic security
- Contact author(s)
-
yylluu @ outlook com
qiang @ njit edu
gwang @ njit edu - History
- 2020-07-12: received
- Short URL
- https://ia.cr/2020/844
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2020/844,
author = {Yuan Lu and Qiang Tang and Guiling Wang},
title = {Generic Superlight Client for Permissionless Blockchains},
howpublished = {Cryptology ePrint Archive, Paper 2020/844},
year = {2020},
note = {\url{https://eprint.iacr.org/2020/844}},
url = {https://eprint.iacr.org/2020/844}
}
