Abstract In the Internet of Things (IoT) vision, conventional devices become smart and
autonomous. This vision is turning into a reality thanks to advances in technology, but there …

Besides attracting a billion dollar economy, Bitcoin revolutionized the field of digital
currencies and influenced many adjacent areas. This also induced significant scientific …

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 …

Blockchain technology provides a data structure with inherent security properties that
include cryptography, decentralization, and consensus, which ensure trust in transactions. It …

Permissionless blockchain, as a kind of distributed ledger, has gained considerable
attention because of its openness, transparency, decentralization, and immutability …

We propose Mixcoin, a protocol to facilitate anonymous payments in Bitcoin and similar
cryptocurrencies. We build on the emergent phenomenon of currency mixes, adding an …

This paper presents TumbleBit, a new unidirectional unlinkable payment hub that is fully
compatible with today s Bitcoin protocol. TumbleBit allows parties to make fast, anonymous …

Ransomware is a type of malware that encrypts the files of infected hosts and demands
payment, often in a crypto-currency like Bitcoin. In this paper, we create a measurement …

Blockchain is a technology that was proposed to enable the decentralized digital currency,
Bitcoin. Since its inception, blockchain has been widely used in many other areas, including …

Bitcoin is digital assets infrastructure powering the first worldwide decentralized
cryptocurrency of the same name. All history of Bitcoins owning and transferring (addresses …