Posts in category

Privacy


One of the founders of the cypherpunk movement has just revealed new technology that he believes will revolutionize cryptocurrency from this moment on. Revealed exclusively to CoinDesk, the grey-haired, digital money pioneer David Chaum is launching a new cryptocurrency Elixxir via his startup. And his goals are bold. By using cryptographic techniques he invented decades …

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Digital security firm Gemalto is teaming up with blockchain startup R3 to pilot a new digital identity platform that’s aimed at mainstream users. Called Trust ID Network, Gemalto said the new platform will provide users with more control over how and when their personal data is shared with third parties, and that such “self-sovereign” identities will …

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Brave, the startup behind the Brave browser and the Basic Attention Token, has filed regulatory complaints against Google and others over what it considers poor privacy protection for users in the online ads industry. The complaints – filed with the Irish Data Protection Commissioner and the U.K. Information Commissioner on behalf of Brave’s chief policy officer …

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Can you keep a secret? For many blockchain projects – whose underlying architecture is a public ledger of transactions – that can be a challenging ask. But Enigma, a project incubated at MIT Media Lab that raised $45 million in an ICO last year, is hoping to make that possible by developing privacy-enabled smart contracts …

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The lightning network is due for a privacy boost. That’s according to Dr. Ayo Akinyele, a computer scientist who has focused his efforts on building a zcash implementation of anonymous off-chain payment architecture called BOLT. And today that work was published on Github. First conceived by zcash founders Matthew Green and Ian Miers in 2016, the …

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There are many words that could be used to describe Amir Taaki – but today, ambitious is best. The infamous bitcoin developer – known for co-creating Dark Wallet, Darkleaks and OpenBazaar – took the stage during a hackathon he hosted in the wake of the Privacy Enhancing Technologies Symposium (PETS) in Barcelona last week, the same city where …

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If any coin is going to fly under the radar, it makes sense for a privacy coin to do so. Spectre (not be confused with a separate project called SPECTRE), created two crypto tokens – the aptly named spectre token and the xspec token – in 2016, but hasn’t received much notice from the crypto community …

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What if ethereum looked more like monero? Fusing the privacy features of the latter into ethereum would make many of the platform’s stakeholders, including developers who have been working on privacy-enhancing features for some time, excited. But privacy techniques are rarely utilized because of the serious trade-offs presented – such as larger storage requirements and …

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Edan Yago has spent the last seven years engaged in payments using cryptocurrencies, first at Zynga, then as CEO of Epiphyte and now as the founder of a stealth startup developing a meta-stablecoin platform. Follow him on Twitter here. The worst-kept secret in cryptocurrency is that many projects are little better than scams: they’ve digested billions of …

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“From here on out, people can’t say bitcoin is not private anymore.” That’s how veteran developer Adam Fiscor, now CTO and co-founder of the privacy tech startup Zksnacks, described the importance of the Wasabi Wallet, set to debut on August 1. This desktop-friendly bitcoin wallet, which can only be used with the anonymizing Tor browser, …

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Amir Taaki created libbitcoin, the first alternative bitcoin implementation, and worked on wallets such as Electrum and Darkwallet, as well as privacy markets and decentralized technologies. Currently, he is establishing an academy in Barcelona to train hackers to work on revolutionary technology projects. I recently had the honor of meeting Phil Zimmermann, the creator of PGP, the …

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Nearly two years after launch, Zcash is entering what could be a crucial period of iteration. Speaking at Zcon0, zcash’s first ever conference in Montreal, Tuesday, project founder and the CEO of the Zcash Company Zooko Wilcox discussed the company’s informal roadmap for the next two-year period. Presented mere hours after the first mandatory upgrade of …

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Privacy-focused cryptocurrency zcash executed its first and long-awaited hard fork on Tuesday morning. Called Overwinter, the upgrade was activated at 00:42 UTC on June 26 – the moment the network mined block 347,500, as previously reported by CoinDesk. The event is primarily aimed to gear up the zcash code for its massive Sapling hard fork, currently scheduled …

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Michael J. Casey is the chairman of CoinDesk’s advisory board and a senior advisor for blockchain research at MIT’s Digital Currency Initiative. The following article originally appeared in CoinDesk Weekly, a custom-curated newsletter delivered every Sunday exclusively to our subscribers. Imagine if flour millers insisted on knowing the precise identity and originating farm of each grain …

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An official for the U.S. Secret Service last week called on Congress to weigh potential legislative action on cryptocurrencies that boast privacy-enhancing features. Speaking before the U.S. House of Representatives Committee on Financial Services, Robert Novy, deputy assistant director for the Service’s Office of Investigations, stated that “congressional attention” on the issue is needed. “We should also …

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An official for the U.S. Secret Service called on Congress to weigh potential legislative actions on cryptocurrencies that boast privacy-enhancing features last week. Speaking before the U.S. House of Representatives Committee on Financial Services, Robert Novy, deputy assistant director for the Service’s Office of Investigations, stated that “congressional attention” on the issue is needed. “We should …

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Intel is working with blockchain startup Enigma to help secure its privacy-enhancing smart contracts. As previously reported by CoinDesk, secret contracts are a type of smart contract for public blockchains that use cryptographic tricks to keep transaction data hidden from view. Enigma – a startup that grew out of efforts at the Massachusetts Institute of Technology, with the …

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Have modern internet companies gone too far? According to mathematician and Blockstream research director, Andrew Poelstra, the answer is unequivocally yes. In his view, companies are simply now vacuuming up troves of customer data, which they then sell to others without the owner’s knowledge or benefit. (Think how Instagram owns user images, or Target acquires huge amounts of …

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Ethereum is transparent to the core. Much like bitcoin, the platform uses this transparency as part of its security – with it in some ways ensuring that users cannot fake transactions. However, new anxieties are emerging regarding this transparency and the potential problems that such data exposure might have for businesses. In the past, these …

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“[I’m] very much waiting for you guys to finish in a sea of shitcoins.” With that, pseudonymous forum user ‘Monkeyyy’ just might have summed up the sentiment surrounding a forthcoming cryptocurrency called “grin.” Rising to renown last year as the first software implementation for a code proposal known as MimbleWimble, the idea is to start a new …

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