Interesting Parts in CIA Leaks

Schneier wrote: 8,761 classified CIA documents […] 2012-2016 […]it sounds like this cache of documents wasn’t taken from the CIA and given to WikiLeaks for publication, but has been passed around the community for a while — and incidentally some part of the cache was passed to WikiLeaks. […]  extraordinary collection […] several hundred million lines …

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Is PGP Bankrupt?

In the last few years, we have seen an increased awareness that PGP/GPG is a dinosaur of 1990s crypto, and it does not satisfy the need of modern users for secure communication. PGP model has many perverse effects: like creating a single point of failure where all sensitive communications are compromised with cracking one single …

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Blockchain Privacy – Part 3: Ring Signature Mixes

Now we’ve covered why privacy is essential for widespread cryptocurrency adoption, and how stealth addresses can help assist the pseudonymity (stealth addresses defined and explained in Part 2, pseudonymity discussed in Part 1), it’s time to explain how to combine cryptography and Ethereum’s smart contract functionality to add another layer of obfuscation to public blockchains! …

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Blockchain Privacy – Part 2: Stealth Addresses

Privacy In Part 1 we covered why privacy is essential for widespread cryptocurrency adoption, and concluded that neither Bitcoin nor Ethereum, or even ZCash is suitable for the task we’re wanting to solve: anonymity with efficiency. (Also the bonus property of needing no trusted setup)! COOL THING 1: STEALTH ADDRESSES The benefits of using stealth …

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D-Day For Z.Cash

Today the first ever truly anonymous crypto currency ZEC went live. The full P2P client can be downloaded from here [Linux only for now]. The total number of ZEC coins will be only 21 million, like in bitcoin. Zerocash also reproduces few other unreasonable properties known from bitcoin: bizarre monetary policy with inelastic monetary supply and block halving every …

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Controversy Around Profitability of AltCoin Investment

There is a considerable controversy around whether investing in a balanced basket of cryptocoins is a good idea. Two serious sources show that this sort of investment enjoys steady growth without a lot of downturns, cf. DLT10 Index and a recent detailed study which concentrates on a shorter period with excellent returns since Jan 2016 (cf. also …

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