DigitalShieldOfficial / USDT-Payment-Gateway

A lightweight USDT/USDC payment gateway with multi-chain support, integration guides, SDK documentation, and merchant demos.轻量级 USDT/USDC 支付网关，提供多链支持、接入指南、SDK 文档和商户演示程序。

okx / go-wallet-sdk

Multi-chain golang signature sdk, supports bitcoin, ethereum, solana, ton, etc.

Soniavasseur / Wallet-Risk-Scanner

Multi-chain crypto wallet risk scanner for AML/KYT screening. Scores addresses 0–100 using sanctions, risky contracts and fund tracing. Integrates 6 intelligence providers with failover, detects scams, hacks, mixers and phishing, supports 15+ chains, batch screening and TXT/JSON/CSV/HTML/PDF reports. Python, cross-platform.

avenoxai / avenoxskills

Production agent skills for Claude Code, Cursor, and any SKILL.md harness — Codex fleets, video pipeline, monorepo review bundles, multi-chain explorer.

MrOkwor / blockchain-sdk-php

A high-performance, zero-third-party-cryptography blockchain SDK for PHP 8.2+ and Laravel. Generate multi-chain wallets, sign transactions locally and offline, estimate network fees, query token balances, manage token statuses, and sweep customer sub-wallets into central cold vaults across 17+ supported blockchains.

Gemma41 / Onchain-Accounting

Privacy-first, self-hosted crypto accounting app with zero cloud data sharing. Aggregates exchange, wallet and multi-chain history, calculates FIFO/LIFO/HIFO cost basis, realized/unrealized PnL and capital gains, tracks staking/airdrop income, and exports tax-ready CSV/PDF/JSON reports. Encrypted SQLite. Python, cross-platform.

RomanZhukov9 / Crypto-Recovery-Tool

Python-based cryptocurrency wallet forensics suite supporting 40+ wallet types on Windows, Linux, and macOS. Features encrypted vault analysis, wallet detection, seed recovery, multi-chain address derivation, threaded processing, and TXT/CSV/JSON export. Designed for security research, compliance, incident response, and blockchain investigations.

MyZahradamiyas1816 / Seed-Generator

Professional BIP-39 Seed & HD Wallet Toolkit with 12–24 word mnemonics, checksum validation, BIP-44/49/84 derivation, and multi-chain support (BTC, ETH, SOL, LTC, DOGE, ADA, DOT, AVAX, ATOM, XRP, TRX). Features offline CSPRNG, PBKDF2-HMAC-SHA512, AES-256-GCM encryption, wallet recovery, CSV/JSON export, and custom derivation paths.

ziqing888 / alpha-meme-radar

Multi-chain MEME radar with deterministic evidence, ARC Mainnet monitoring, and isolated execution boundaries