The terrestrial networks face the challenges of severe cost inefficiency and low feasibility to
provide seamless services anytime and anywhere, especially in the extreme or hotspot …

Blockchain, as a decentralized and distributed public ledger technology in peer-to-peer
network, has received considerable attention recently. It applies a linked block structure to …

Within just four years, the blockchain-based Decentralized Finance (DeFi) ecosystem has
accumulated a peak total value locked (TVL) of more than 253 billion USD. This surge in …

Blockchains offer a decentralized, immutable and verifiable ledger that can record
transactions of digital assets, provoking a radical change in several innovative scenarios …

Abstract The Internet of Things (IoT) is poised to transform human life and unleash
enormous economic benefit. However, inadequate data security and trust of current IoT are …

Cryptocurrencies are among the largest unregulated markets in the world. We find that
approximately one-quarter of bitcoin users are involved in illegal activity. We estimate that …

We propose Bulletproofs, a new non-interactive zero-knowledge proof protocol with very
short proofs and without a trusted setup; the proof size is only logarithmic in the witness size …

This paper investigates whether Tether, a digital currency pegged to the US dollar,
influenced Bitcoin and other cryptocurrency prices during the 2017 boom. Using algorithms …

Blockchain technology and distributed ledgers are attracting massive attention and trigger
multiple projects in different industries. However, the financial industry is seen as a primary …

Bitcoin is a popular cryptocurrency that records all transactions in a distributed append-only
public ledger called blockchain. The security of Bitcoin heavily relies on the incentive …