English
Related papers

Related papers: CoinPrune: Shrinking Bitcoin's Blockchain Retrospe…

200 papers

Permissioned Blockchains are increasingly considered in enterprise use-cases, many of which do not require geo-distribution, or even disallow it due to legislation. Examples include country-wide networks, such as Alastria, or those deployed…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-27 Manuel Bravo , Zsolt István , Man-Kit Sit

The concept of a decentralized ledger usually implies that each node of a blockchain network stores the entire blockchain. However, in the case of popular blockchains, which each weigh several hundreds of GB, the large amount of data to be…

Cryptography and Security · Computer Science 2018-05-03 Doriane Perard , Jérôme Lacan , Yann Bachy , Jonathan Detchart

Cryptocurrencies, based on and led by Bitcoin, have shown promise as infrastructure for pseudonymous online payments, cheap remittance, trustless digital asset exchange, and smart contracts. However, Bitcoin-derived blockchain protocols…

Cryptography and Security · Computer Science 2015-11-12 Ittay Eyal , Adem Efe Gencer , Emin Gun Sirer , Robbert van Renesse

With the rapid development of deep learning, the sizes of neural networks become larger and larger so that the training and inference often overwhelm the hardware resources. Given the fact that neural networks are often over-parameterized,…

Machine Learning · Computer Science 2022-06-20 Zhangheng Li , Tianlong Chen , Linyi Li , Bo Li , Zhangyang Wang

As large language models continue to scale, their growing computational and storage demands pose significant challenges for real-world deployment. In this work, we investigate redundancy within Transformer-based models and propose an…

Computation and Language · Computer Science 2025-04-08 Liangwei Yang , Yuhui Xu , Juntao Tan , Doyen Sahoo , Silvio Savarese , Caiming Xiong , Huan Wang , Shelby Heinecke

The widespread adoption of smartphone photography has led users to increasingly rely on cloud storage for personal photo archiving and sharing, raising critical privacy concerns. Existing deep learning-based image encryption schemes,…

Cryptography and Security · Computer Science 2025-09-24 Xiaohui Yang , Ping Ping , Feng Xu

Sharding enhances blockchain scalability by partitioning nodes into multiple groups for concurrent transaction processing. Configuring a large number of small shards usually helps improve transaction concurrency, but it also increases the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-23 Mingzhe Li , You Lin , Jin Zhang

Existing structured pruning methods typically rely on multi-stage training procedures that incur high computational costs. Pruning at initialization aims to reduce this burden but often suffers from degraded performance. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Deepak Ghimire , Dayoung Kil , Seonghwan Jeong , Jaesik Park , Seong-heum Kim

A coinjoin protocol aims to increase transactional privacy for Bitcoin and Bitcoin-like blockchains via collaborative transactions, by violating assumptions behind common analysis heuristics. Estimating the resulting privacy gain is a…

Cryptography and Security · Computer Science 2025-10-21 Jiri Gavenda , Petr Svenda , Stanislav Bobon , Vladimir Sedlacek

The transaction pool plays a critical role in processing and disseminating transactions in cryptocurrency networks. However, increasing transaction loads strain the resources of full node deployments. We present Neonpool, an innovative…

Cryptography and Security · Computer Science 2025-03-18 Hina Binte Haq , Syed Taha Ali , Asad Salman , Patrick McCorry , Siamak F. Shahandashti

Although Blockchain has been successfully used in many different fields and applications, it has been traditionally regarded as an energy-intensive technology, essentially due to the past use of inefficient consensus algorithms that…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-29 Tiago M. Fernández-Caramés , Paula Fraga-Lamas

The enormous power consumption of Bitcoin has led to undifferentiated discussions in science and practice about the sustainability of blockchain and distributed ledger technology in general. However, blockchain technology is far from…

Cryptography and Security · Computer Science 2021-02-17 Johannes Sedlmeir , Hans Ulrich Buhl , Gilbert Fridgen , Robert Keller

A major challenge in blockchain sharding protocols is that more than 95% transactions are cross-shard. Not only those cross-shard transactions degrade the system throughput but also double the confirmation time, and exhaust an already…

Cryptography and Security · Computer Science 2021-10-19 Lan N. Nguyen , Truc Nguyen , Thang N. Dinh , My T. Thai

The scalability of blockchain technology remains a pivotal challenge, impeding its widespread adoption across various sectors. This study introduces an innovative approach to address this challenge by proposing the adaptive restructuring of…

Cryptography and Security · Computer Science 2024-08-08 Oleksandr Kuznetsov , Dzianis Kanonik , Alex Rusnak , Anton Yezhov , Oleksandr Domin

Today's world is organized based on merit and value. A single global currency that's decentralized is needed for a global economy. Bitcoin is a partial solution to this need, however it suffers from scalability problems which prevent it…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-29 Iurii Shyshatsky , Vinod Manoharan , Taras Emelyanenko , Lucas Leger

A hard-fork reconfiguration of the peer to peer Bitcoin network is described that substitutes tamper-evident logs and proof-of-stake consensus for proof-of-work consensus. The block creation rewards and transaction fees are reallocated to…

Computers and Society · Computer Science 2014-05-23 Stephen L. Reed

The spectacular success of Bitcoin and Blockchain Technology in recent years has provided enough evidence that a widespread adoption of a common cryptocurrency system is not merely a distant vision, but a scenario that might come true in…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-08-30 Adam Gągol , Damian Leśniak , Damian Straszak , Michał Świętek

Physically Unclonable Function (PUF) offers a secure and lightweight alternative to traditional cryptography for authentication due to their unique device fingerprint. However, their dependence on specialized hardware hinders their adoption…

Cryptography and Security · Computer Science 2025-08-05 S M Mostaq Hossain , Sheikh Ghafoor , Kumar Yelamarthi , Venkata Prasanth Yanambaka

Due to data privacy issues, accelerating networks with tiny training sets has become a critical need in practice. Previous methods achieved promising results empirically by filter-level pruning. In this paper, we both study this problem…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Guo-Hua Wang , Jianxin Wu

Despite quantum computing's rapid development, current systems remain limited in practical applications due to their limited qubit count and quality. Various technologies, such as superconducting, trapped ions, and neutral atom quantum…

Quantum Physics · Physics 2024-05-08 Shuwen Kan , Zefan Du , Miguel Palma , Samuel A Stein , Chenxu Liu , Wenqi Wei , Juntao Chen , Ang Li , Ying Mao