A JavaScript / Python / PHP cryptocurrency trading API with support for more than 120 bitcoin/altcoin exchanges

An open source cybersecurity protocol for syncing decentralized graph data.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

A modern, portable, easy to use crypto library.

Nodejs学习笔记以及经验总结，公众号"程序猿小卡"

Multi-platform transparent client-side encryption of your files in the cloud

s2n : an implementation of the TLS/SSL protocols

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

CTF Wiki Online. Come and join us, we need you!

Valet lets you securely store data in the iOS, tvOS, or macOS Keychain without knowing a thing about how the Keychain works. It’s easy. We promise.

Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins and options).

A curated list of cryptography resources and links.

An open source, portable, easy to use, readable and flexible SSL library

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

free C++ class library of cryptographic schemes

A system for distributing and managing secrets

Project Wycheproof tests crypto libraries against known attacks.

The #1 Automated Technical Analysis (TA) & Algo. Trading tool for Coinbase, Bittrex, Binance, and more! (Track over 500+ coins)

Copy/paste anything over the network.

CTF竞赛入门指南

支持国密SM2/SM3/SM4/SM9/ZUC/SSL的OpenSSL分支

Secure software enclave for storage of sensitive information in memory.

A set of icons for all the main cryptocurrencies and altcoins, in a range of styles and sizes.

Advanced library for randomization, hashing and statistical analysis (devoted to chaos machines). 🔬

An implementation of JOSE standards (JWE, JWS, JWT) in Go

💰 The cryptocurrency price tool on CLI. 🖥

Cryptography Toolkit

Tools to bootstrap CAs, certificate requests, and signed certificates.

Cryptographic filesystem for the cloud

Censorship resistant democracies.