Zero-knowledge proof (ZKP) mixers are one of the most widely-used blockchain privacy
solutions, operating on top of smart contract-enabled blockchains. We find that ZKP mixers …

New blockchain platforms are launching at a high cadence, each fighting for attention,
adoption, and infrastructure resources. Several studies have measured the peer-to-peer …

Self-sovereign identity (SSI) is a digital identity management model managed in a
decentralized manner. It allows identity owners to manage and store their digital identities in …

There is currently an increasing demand for cryptoasset analysis tools among cryptoasset
service providers, the financial industry in general, as well as across academic fields. At the …

Payment channel networks (PCNs) such as the Lightning Network offer an appealing
solution to the scalability problem faced by many cryptocurrencies operating on a blockchain …

Cryptocurrency systems can be subject to deanonimization attacks by exploiting the network-
level communication on their peer-to-peer network. Adversaries who control a set of …

Bitcoin can process only a few transactions per second, which is insufficient for a global
payment network. The Lightning Network (LN) aims to address this challenge. The LN …

The Lightning Network (LN) is a widely-adopted off-chain protocol that not only addresses
Bitcoin's scaling problem but also enables anonymous payments. Prior attacks have shown …

Abstract Payment Channel Networks (PCN) form a class of techniques created to solve the
scalability problems that permissionless blockchains such as Bitcoin face. The Lightning …

We present a first measurement study on the adoption and actual privacy of two popular
decentralized CoinJoin implementations, Wasabi and Samourai, in the broader Bitcoin …