922 Open source projects that are alternatives of or similar to Javascript Opentimestamps

SECCURE compatible Elliptic Curve cryptography in Python

Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill

W3C Web Cryptography API for Node.js

Compare cryptocurrency trading data across multiple exchanges and blockchains in the comfort of your terminal

Simple daemon for locking and unlocking macOS with Yubikey

The BitBoxApp for desktop and mobile.

The AirGap Wallet is installed on an everyday smartphone. This app has only access to public information.

List all bitcoin addresses with positive balance.

Industry Working Group on Automated Cryptographic Algorithm Validation

BitCore (BTX) - Cryptocurrency 220 Byte Datacarriersize

Network Security Notes ☔️

A simple and integrity blockchain implementation in Golang

Bitcoin and Altcoin exchange api aggregator / wrapper

Anonymous web chat server, built on top of Themis/WebThemis

BLS signatures, threshold encryption, distributed key generation library in modern C++. Actively maintained and used by SKALE for consensus, distributed random number gen, inter-chain communication and protection of transactions. BLS threshold signatures can be verified in Solidity, and used as random beacon (common coin)

Bitcoin NFC Android Mobile Wallet - JS + Ionic + Cordova + Bitcore + Blockchain.info API + Cordova NFC plugin

⋰·⋰ Feeless is a Nano cryptocurrency node, wallet, tools, and Rust crate.

A WooCommerce gateway for lightning payments

Main repository for the Veracruz privacy-preserving compute project.

A minimal portable Zcash z-address generator for offline / paper wallets

Python-based Bitcoin and alt-coin utility library.

⚠️ OBSOLETE. DO NOT USE! Use https://github.com/trezor/connect instead

BTC-Parachain: Trustless Bitcoin on Polkadot

🏴‍☠️ Tools for pentesting, CTFs & wargames. 🏴‍☠️

macOS crypto currency menubar ticker (맥 가상화폐 시세 메뉴바 티커)

A list of resources in different fields of Computer Science (multiple languages)

Bitcoin & altcoins chainstate (old & new formats) parser

A curated list of privacy on blockchains resources

Blockked - blockchain.info companion (and educational) app for Android

💰 Cryptocurrency Portfolio On The Command Line 💰

Superfast blockchain parser for stats

Argon2 password hashing package for go with constant time hash comparison

gurvy implements Elliptic Curve Cryptography (+Pairing) for BLS12-381, BLS12-377, BW6-761, and BN256. Originally developed (and used) by gnark

A browser extension for tipping, donations, and peer-to-peer crowd-funding

CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift

Source code for the ElementsProject.org website

PinkSign – a friendly Python library for NPKI (공인인증서) certificates 🔑

A free, open-source community resource for designers, developers and others working on non-custodial bitcoin products.

The simpliest script for parsing Bitcoin blockchain. It made convertion of blk*****.dat files to the simple text.

Demos, Examples, Tutorials for using Microsoft SEAL library.

A high-performance tool for blockchain science and exploration

Solutions to Matasano crypto challenges in Python 3.

A FRamework for Efficient Secure COmputation

🇸Superpowered Audio, Networking and Cryptographics SDKs. High performance and cross platform on Android, iOS, macOS, tvOS, Linux, Windows and modern web browsers.

IBM Fully Homomorphic Encryption Toolkit For Linux. This toolkit is a Linux based Docker container that demonstrates computing on encrypted data without decrypting it! The toolkit ships with two demos including a fully encrypted Machine Learning inference with a Neural Network and a Privacy-Preserving key-value search.

easy run viabtc_exchange_server use docker compose

Project moved to https://gitlab.com/spectre.app

区块链自媒体、专注区块链技术学习和实践、IPFS/Filecoin、Bitcoin、Ethereum、EOS、Cosmos、区块链、白皮书、Coinmarketcap、Coindesk、Safe Network、Telegram、Docker、社会治理、经济激励

webcrypto-liner is a polyfill that let's down-level User Agents (like IE/Edge) use libraries that depend on WebCrypto. (Keywords: Javascript, WebCrypto, Shim, Polyfill)

Crypto Alerts, Watchlist and Portfolio Tracking App

dude, is my code constant time?

An alternative implementation of the Bitcoin Cash protocol, written in Golang

Australian Open Source Intelligence Gathering Resources, Australias Largest Open Source Intelligence Repository for Cyber Professionals and Ethical Hackers

The Blockstack Browser

Every cryptographic primitive needed to work on Ethereum, for the browser and Node.js

JavaScript client for Exonum blockchain

Universal cloud storage client

Cross-platform Python bindings for libsecp256k1

💎 Beamsplitter - A new (possibly universal) hash that passes SMHasher. Built mainly with a random 10x64 S-box. Also in NodeJS

Application of machine learning to the Coinbase (GDAX) orderbook