A comprehensive survey of blockchain: From theory to IoT applications and beyond

M Wu, K Wang, X Cai, S Guo, M Guo… - IEEE Internet of Things …, 2019‏ - ieeexplore.ieee.org
As an innovated and revolutionized technology, blockchain has been applied in many fields,
such as cryptocurrency, food traceability, identity management, or even market prediction …

Blockchain security: A survey of techniques and research directions

J Leng, M Zhou, JL Zhao, Y Huang… - IEEE Transactions on …, 2020‏ - ieeexplore.ieee.org
Blockchain, an emerging paradigm of secure and shareable computing, is a systematic
integration of 1) chain structure for data verification and storage, 2) distributed consensus …

Zether: Towards privacy in a smart contract world

B Bünz, S Agrawal, M Zamani, D Boneh - International Conference on …, 2020‏ - Springer
Smart contract platforms such as Ethereum and Libra provide ways to seamlessly remove
trust and add transparency to various distributed applications. Yet, these platforms lack …

Ekiden: A platform for confidentiality-preserving, trustworthy, and performant smart contracts

R Cheng, F Zhang, J Kos, W He… - 2019 IEEE European …, 2019‏ - ieeexplore.ieee.org
Smart contracts are applications that execute on blockchains. Today they manage billions of
dollars in value and motivate visionary plans for pervasive blockchain deployment. While …

Design choices for central bank digital currency: Policy and technical considerations

S Allen, S Čapkun, I Eyal, G Fanti, BA Ford… - 2020‏ - nber.org
Central banks around the world are exploring and in some cases even piloting Central Bank
Digital Currencies (CBDCs). CBDCs promise to realize a broad range of new capabilities …

A blockchain based privacy-preserving incentive mechanism in crowdsensing applications

J Wang, M Li, Y He, H Li, K **ao, C Wang - Ieee Access, 2018‏ - ieeexplore.ieee.org
Crowdsensing applications utilize the pervasive smartphone users to collect large-scale
sensing data efficiently. The quality of sensing data depends on the participation of highly …

Zexe: Enabling decentralized private computation

S Bowe, A Chiesa, M Green, I Miers… - … IEEE Symposium on …, 2020‏ - ieeexplore.ieee.org
Ledger-based systems that support rich applications often suffer from two limitations. First,
validating a transaction requires re-executing the state transition that it attests to. Second …

SoK of used cryptography in blockchain

M Raikwar, D Gligoroski, K Kralevska - Ieee Access, 2019‏ - ieeexplore.ieee.org
The underlying fundaments of blockchain are cryptography and cryptographic concepts that
provide reliable and secure decentralized solutions. Although many recent papers study the …

Supporting private data on hyperledger fabric with secure multiparty computation

F Benhamouda, S Halevi… - IBM Journal of Research …, 2019‏ - ieeexplore.ieee.org
Hyperledger Fabric is a “permissioned” blockchain architecture, providing a consistent
distributed ledger, shared by a set of “peers” that must all have the same view of its state. For …

GEM^ 2-tree: A gas-efficient structure for authenticated range queries in blockchain

C Zhang, C Xu, J Xu, Y Tang… - 2019 IEEE 35th …, 2019‏ - ieeexplore.ieee.org
Blockchain technology has attracted much attention due to the great success of the
cryptocurrencies. Owing to its immutability property and consensus protocol, blockchain …