Kiran Fernando shared some opinions on Meta Transaction and Contract Wallet(or Smart Wallet, I prefer). Meta transaction is an important component to lower barriers to drive mass Ethereum adoption by changing the fee model, which we all agree, while Kiran shows big concern about the privacy compromising by smart wallets. …

What is ethereum? What is Ethereum? While thousand answers you may get, this article wants to explore the most consistent one, namely what is ethereum protocol? More technically — if I want to develop an Ethereum client (PoW chain/ ETH1), which rules should I to follow It’s difficult to find a spec describing…

Recently, Loopring Exchange was affected by a front-end password bug, causing an urgent stop of relayer service and all users need to update their EdDSA keypairs before trading. The full explanation of the bug can be found in Starkware’s blog. Luckily, the incident didn’t cause losses. The vulnerability about weak…

Mr. Pomp shared interesting ideas in Digital Wallets As Identity, I read it and came up with some thoughts. I’m totally agree that crypto is no difference with traditional finance so Individual consumers are unlikely to pay for simple custody solutions. Moreover, it’s hard for wallets to convert users to…

Intro On December 8th, Ethereum completed Istanbul Hard Fork, carrying 6 new approved changes(EIPs). Among these changes, 4 of 6 are related to gas expenditure, to be specific: EIP-1108 repriced the elliptic curve arithmetic precompiles and EIP-2028 reduced the gas cost of Calldata, which would greatly assist a number of privacy…

技术文档 Enigma Technical Resource Index Welcome! Here’s a complete “table of contents” for developers looking to get started building their own secret…blog.enigma.co 部署智能合约 Getting Started with Enigma: An Intro to Secret Contracts Part 2 in a blog series aimed at helping developers get started with writing secret contracts.blog.enigma.co 示例合约 enigmampc/enigma-core You can't perform that action at this time. You signed in with another tab or window. You signed out in another tab or…github.com

Background — In the blockchain world, the private key is the user’s certificate of the asset. All operations on the asset need the authentication through the signature created by the private key. It brings about some problems below. (1) Users do not understand the significance of the private key resulting in it…

A Brief Intro to PRE and NuCypher I was asked whether I know proxy re-encryption(PRE) or NuCypher and saw some comments on it. NuCypher is regarded as the four basic blockchain technology in the future in a Bloomberg’s article along with PolkaDot, Cosmos and Nervos may cause the extensive attention. This article explains my understanding of PRE…

Great changes have been taken place in people’s life since last decade when internet is widely used. Mobile terminals have become the main channel to get information for public, replacing newspaper, radio and television. Moreover, the way of communication, travel and trade is unthinkable decades ago. Especially in China, attributed…