Koh Wei JieinPrivacy & Scaling ExplorationsRelease Announcement: MACI 1.0The Privacy & Scaling Explorations team is proud to release version 1.0 of Minimal Anti-Collusion Infrastructure (MACI). MACI enables…Oct 12, 2021Oct 12, 2021
Koh Wei JieinZeroKnowledgeZero-knowledge Virtual Machines, the Polaris License, and Vendor Lock-inRecently released frameworks for building zero-knowledge applications, such as Zinc and Cairo, allow developers to relatively easily write…Mar 11, 2021Mar 11, 2021
Koh Wei JieDeanonymising the Kucoin HackerKucoin, a well-known cryptocurrency exchange, was recently hacked. It lost more than 150 million USD worth of funds. The perpetrator used…Oct 30, 20201Oct 30, 20201
Koh Wei JieRestarting the Semaphore random value generation processIn early March 2020, I announced a series of computational steps that would create a random value which we would use to start phase 2 of…Mar 22, 20201Mar 22, 20201
Koh Wei JieRelease announcement: Semaphore, a zero-knowledge gadget for EthereumWe are excited to announce that Semaphore, a generic privacy layer for Ethereum applications based on zk-SNARks, has been fully audited…Mar 3, 2020Mar 3, 2020
Koh Wei JiePrivate voting and whistleblowing in Ethereum using SemaphoreIn a previous post, I wrote a technical explanation of Semaphore, a zero-knowledge privacy gadget built on Ethereum. Since then, we have…Dec 20, 2019Dec 20, 2019
Koh Wei JieinCoinmonksAnnouncing the Perpetual Powers of Tau Ceremony to benefit all zk-SNARK projectsThe Ethereum community has responded positively to our technical blog post about Semaphore, a zero-knowledge signalling gadget built on…Sep 11, 20192Sep 11, 20192
Koh Wei JieinCoinmonksTo Mixers and Beyond: presenting Semaphore, a privacy gadget built on EthereumThis year, Ethereum has undergone a privacy renaissance of sorts. Encouraged by prominent members of the community, researchers…Sep 3, 20194Sep 3, 20194
Koh Wei JieZero-knowledge proofs, a board game, and leaky abstractions: how I learned zk-SNARKs from scratchA great way to learn a new skill is to build something with it. This is particularly true in the cryptocurrency and blockchain space…Dec 26, 20183Dec 26, 20183
Koh Wei JieinMetaMaskEIP712 is here: What to expect and how to use itEthereum wallets like MetaMask will soon introduce the EIP712 standard for typed message signing. This standard allows wallets to display…Sep 19, 201829Sep 19, 201829
