How Bitcoin’s Lightning Can Be Used for Private Messaging

Bitcoin’s lightning network might have a use case beyond faster and more scalable payments. Last week Lightning Labs developer Joost Jager revealed an experimental, new proof of concept: Whatsat, a version of lightning that can be used to send private messages. Like bitcoin, it’s censorship-resistant. But, unlike encrypted apps that morph messages into unreadable, garbled […]

Continue Reading

100 Bitcoin Users Perform What Might Be Largest ‘CoinJoin’ Transaction Ever

The community behind the privacy-centric bitcoin app Wasabi Wallet recently brought together 100 people to collectively execute a “CoinJoin” transaction on bitcoin in what might be the biggest event of its kind. Some context: bitcoin itself is far from private, as users can, via the blockchain, see where coins are being transferred to and from. […]

Continue Reading

Coinbase Now Says It Never Shared ‘Personally Identifiable’ Customer Data

Coinbase is taking steps to clarify statements made in the wake of its controversial acquisition of blockchain analytics firm Neutrino, a startup subsequently linked to Hacking Team, a group that aided governments known for human rights abuses. Specifically, Christine Sandler, Coinbase’s director of institutional sales, justified the Neutrino acquisition during an interview with Cheddar last Friday […]

Continue Reading

Google Policy Change Forces Bitcoin Wallet to Remove Security Features

The team behind Samourai, the privacy-focused bitcoin wallet, has removed a series of key security-related features from a version of its app as a result of “extremely restrictive policies” by Google. Having released version 0.99.04 of its app Tuesday on the digital distribution service run by Google, called Google Play, Samourai explained in a blog […]

Continue Reading

2018: When Privacy and Decentralization Collided

Guy Zyskind is the CEO and co-founder of Enigma, a secure computation protocol that integrates with blockchains. The following is an exclusive contribution to CoinDesk’s 2018 Year in Review. In 2018, two major long-term trends finally collided in a very public fashion. The first trend was the over-centralization of online platforms. For years, Facebook, Google and […]

Continue Reading