4 posts tagged with "blockchain"

Orion Chain — Custom Blockchain in Rust

A feature-rich blockchain implementation written in Rust, featuring a custom TCP-based peer-to-peer communication protocol, ECDSA cryptographic signing (k256/p256 curves), RocksDB persistent storage, an Actix-web HTTP API, and a validator runtime for executing transactions. Designed as a full-node platform for decentralized applications with 55 source files across 7 modules.

Aug 23, 2024

Z-Transfer — Decentralized File Sharing on 0Chain

A decentralized file-sharing web application built on the 0Chain (Zero Chain) blockchain. Features a Flask backend with a custom Python SDK for interacting with the blockchain, Reed-Solomon erasure-coded file sharding across storage nodes, BLS cryptographic signing, and a Bootstrap 5 frontend. Fully containerized with Docker Compose for both development and production.

Nov 19, 2023

PyCrypto — Bitcoin ECC & Transaction Library in Python

A pure-Python cryptographic foundation for Bitcoin blockchain development. Implements elliptic curve cryptography (ECC) on the secp256k1 curve, including finite field arithmetic, ECDSA signing and verification, key generation, and Bitcoin address encoding. Also includes a full Bitcoin transaction parser supporting legacy and SegWit formats, with a testnet block explorer API fetcher.

Mar 22, 2023

ZeroChain SDK — Python Client for the Zus Blockchain

A Python SDK for interacting with the Zus (formerly 0Chain) decentralized storage blockchain. Provides wallet management, token transactions, storage allocation CRUD, blobber discovery, miner/sharder staking, and vesting pool operations. Features a consensus-based HTTP client, BLS cryptographic signing via a Node.js bridge, and Reed-Solomon erasure coding for file sharding.

Feb 6, 2023