proxy re-encryption What exactly do we mean by access revocation? The topic of access revocation tends to be a confusing one in the context of encryption and data sharing. In our presentations, when we mention the ease of access revocation with proxy re-encryption as one of our sources of value...
Blockchain Three things that NuCypher's "Ursula" can do that vanilla public-key cryptography can't There are three good answers - and several more OK answers. This post will go through the three good answers and leave the reader to mull over the others.
Security Audits (Round 2) In February we completed a second round of security audits with Trail of Bits. You can view the full report here (PDF). This audit focused on our slashing protocol, contract upgrade scheme, and
Welcoming my friend Damon Ciarelli to NuCypher Responding to a need for more stovetop popcorn, verbose hand gestures to explain programming metaphors, and tales of bowling in every state in the union, NuCypher has made the highly questionable and haphazard
Upgradeable Smart Contracts: In Defense of delegateCall() If privacy-preserving solutions are unaffordable, the security discussion is already a non-starter.In the weird world of upgradeable smart contracts (or have we moved to calling them "persistent scripts" yet?), three possible patterns
Welcoming Ravital Solomon I'm very pleased to welcome Ravital Solomon to the NuCypher team! Ravital is a cryptographer and holds an MSc in Mathematics & Theoretical Computer Science from Oxford University, where she completed her thesis
ethereum ETHNY + NuCypher The NuCypher team is headed to New York City this week to get settled in for a couple of New York Blockchain Week events. If you've been following us for a while you'll
ETHCape Town and the NuCypher + ETHGlobal 2019 Hackathon Tour ETHGlobal is a leader in organizing global developer engagement which is why we're delighted to announce a 2019 partnership. Next up is this weekend with ETHCape Town...
Community Update #14 We're well into what's been a busy 2019 with many noteworthy events. Here's a recap of what we've been up to in the last couple months: Proposing the WorkLock: As our mainnet launch
The WorkLock: An improved token distribution model A proposal for an improved token distribution model
The Road to Secure Computation Last week, I gave a technical deep dive on secure computation at Zero Knowledge Summit (ZK0X03) in Berlin, where I covered secure multi-party computation (sMPC), trusted execution environments (TEEs), and fully homomorphic encryption
NuCypher + CoinList Hackathon At NuCypher, our favorite way to engage with the community is through hackathons. Seeing participants build well thought-out and…
Bufficorn Recap Wow — what an amazing event by the ETHDenver team! NuCypher was proud to attend for the second year and we’re already looking forward to…
NuCypher Genesis Release We’re pleased to announce the Genesis Release (v0.1.0-alpha.0) of the NuCypher project. This release is a big step forward in the maturity…
#BUIDL the Future of Privacy at ETHDenver Hey ETHDenver hackers! All of us at NuCypher, the privacy layer of the decentralized web, are super excited to meet you in a few weeks…
2018 Year in Review As we forge ahead into 2019, we wanted to reflect on NuCypher’s progress over the past year.
Free as in Freedom: Why I Fight For GPL at NuCypher At NuCypher, we develop privacy tools and protocols for the next generation of the web. As we develop these tools, the strategy for how we…
Security Audits (Round 1) At NuCypher, one of our core values is to eschew the traditional Silicon Valley ethos of move fast and break things and to instead #buidl…
Community Update 13 — The first glimpse of Testnet… Ahoj! (At DevCon, we learned that’s Czech for hello.) Here is a recap for the past few weeks:
Why we’re rolling our own “intra-planetary” node discovery at NuCypher Nearly all of my casual conversations about decentralized network architecture for the past three months or so have quickly come to be (at…
Community Update #12 — Back to EU It was awesome to meet many of you at ETH San Francisco and Web3 Summit, but not to fear, DevCon is right around the corner… and so is…
Access control for real-world data, generated by real-world humans Case study: A network of on-the-ground Dataeum collectors continually generates valuable real-world data, selling on to location-based…
NuCypher Community Update #11: Berlin and Beyond First a big thank you to the organizers, the volunteers, and all the attendees of Berlin Blockchain Week. NuCypher participated in several…
Why society needs privacy-preserving cryptonetworks This piece tracks the arc of privacy over history as a function of status and power, education, and convenience. Then we analyze how privacy will be returned to people through cryptonetworks.
