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Hey! I'm alexcj96.eth


Ethereum

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A human smart contract instance deployed on earth chain.

Total time coded since Jun 7 2021

My name is CJ, a developer who is interested and specialized in Rust, C++, TypeScript, Solidity, Go.

There are many things that I find interesting, but if picking those I focus on most, then it would be:

  • 1️⃣ incrementally verifiable and private computation with ZK and MPC (Cryptography)
  • 2️⃣ derivatives, quant trading with machine learning (ML)
  • 3️⃣ parallel computing with software (Hadoop, Spark, Flink) and hardware (GPU/FPGA)
  • 4️⃣ secure blockchain scaling with data-availability sampling (DAS)
  • 5️⃣ programming language theory and virtual machine (PL, VM)

I graduated from SHU and obtained my Master degree in Réseaux et Télécommunications from UTT, France.
During my five-year stay in France, I led the RealTime Indoor Location System (RTLS) at @Ubudu.
Subsequently, I headed the Blockchain Development at @ParaSpace.
Currently, I'm working as a ZK Engineer at @QEDProtocol.

I was ranked #74 on wakatime leaderboard, you can find my current ranking by searching Cheng JIANG.

Projects

  • Parallel : A decentralized lending & staking protocol built on top of the Polkadot ecosystem (Rust)
  • ParaSpace : A cross-margin ERC20/ERC721 lending & trading & staking protocol (Solidity)
  • Casbin RS : An authorization library that supports access control models like ACL, RBAC, ABAC in Rust (Rust)
  • Plonky2.5 : A plonky2 verifier for plonky3 (Rust)
  • L2-Core : L2O Reference Implementation for zkApps on Bitcoin (Rust)
  • Diesel Adapter : Casbin adapter for mysql, postgres, sqlite based on Diesel (Rust)
  • Sqlx Adapter : Casbin adapter for mysql, postgres, sqlite based on Sqlx (Rust)
  • Json Rules Engine : Full featured json rules engine (Rust)
  • Actix Elastic : An actix actor for elasticsearch v7 (Rust)
  • D3 Vs : Vue Visualisation Package using d3.js and leaflet (VueJs, d3-js, Leaflet)
  • Layout Grid : Layout grid system in VueJs (VueJs)
  • ElsQuery : Full featured elasticsearch query generator (inspired by Kibana) (VueJs)
Contributions Metrics Activity Metrics

Cheng JIANG's Projects

oso icon oso

oso is an open source policy engine for authorization that’s embedded in your application

papers-we-love icon papers-we-love

Papers from the computer science community to read and discuss.

parallel icon parallel

Parallel finance a decentralized lending protocol built on top of the Polkadot ecosystem. Our unique approach will allow users to earn "double interests" from staking and lending their tokens simultaneously.

paxosstore icon paxosstore

PaxosStore has been deployed in WeChat production for more than two years, providing storage services for the core businesses of WeChat backend. Now PaxosStore is running on thousands of machines, and is able to afford billions of peak TPS.

pdf icon pdf

编程电子书下载，电子书下载，包括C，C#，Docker，Elasticsearch，Git，Hadoop，HeadFirst，Java，Javascript，jvm，Kafka，Linux，Maven，MongoDB，MyBatis，MySQL，Netty，Nginx，Python，RabbitMQ，Redis，Scala，Solr，Spark，Spring，SpringBoot，SpringCloud，TCPIP，Tomcat，Zookeeper，人工智能，大数据类，并发编程，数据库类，数据挖掘，新面试题，架构设计，算法系列，计算机类，设计模式，软件测试，重构优化，等更多分类

pdqsort icon pdqsort

Pattern-defeating quicksort (merged into rust-lang/rust)

php-casbin icon php-casbin

An authorization library that supports access control models like ACL, RBAC, ABAC in PHP .

plonk icon plonk

Pure Rust implementation of the PLONK ZKProof System done by the Dusk-Network team.

polodb icon polodb

PoloDB is an embedded JSON-based database.

polyline icon polyline

polyline encoding and decoding in javascript

prettier-eslint icon prettier-eslint

Code :arrow_right: prettier :arrow_right: eslint --fix :arrow_right: Formatted Code :sparkles:

progress-bar-4-axios icon progress-bar-4-axios

Slim progress bar (NProgress) for Web applications that use Axios library for HTTP requests

pumpkin-book icon pumpkin-book

《机器学习》（西瓜书）公式推导解析，在线阅读地址：https://datawhalechina.github.io/pumpkin-book

pycasbin icon pycasbin

An authorization library that supports access control models like ACL, RBAC, ABAC in Python

python icon python

All Algorithms implemented in Python

qfs icon qfs

Quickshare file server，一个小巧的FTP/HTTP文件服务器，纯C实现，支持密码保护、多线程上传下载、虚拟文件夹

qix icon qix

Machine Learning、Deep Learning、PostgreSQL、Distributed System、Node.Js、Golang

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