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blockchain

Publication of timestamps issued by gitta.zeitgitter.net

Analysis and Representation of Graphs of Suspicious Operations (Analyse et Représentation des Graphes des Opérations Suspectes)

Multiplatform library to build wallets, websites and apps in Kotlin that need strong connections to the Nexa blockchain

The Rell Programming Language.

A time-stamped archive of the signatures created by the PGP Digital Timestamper, now as Newsgroup and their archives are getting harder to find.

Ethelia is Ethereum blockchain storage provider for lightweight data.

An explorer, yes, but a consensus explorer.

TRX Tracker (Tx;Tr) — открытая платформа для анализа рисков Ethereum-адресов на основе графа транзакций.

Pandora is a notarization rollup designed to offer a cost-effective, swift, and secure service for notarizing your data on Tezos.

The core implementation of the Accumulate protocol

Core blockchain SDK for the Pezkuwi network — Substrate-based relay chain, Asset Hub, People Chain, and tooling

Agora: Tezos governance explorer https://www.tezosagora.org/

Checks the status of the RPC nodes servers of the Blurt blockchain at a specified interval and sends a report via a RxJS subscription. The library also allows you to identify the compatibility of an RPC node with Nexus (communities on the Blurt blockchain)

Personal portfolio of Farheen Ali — Full Stack Developer | AI/ML & Blockchain Engineer. 5+ yrs in Java, Spring Boot, React, AI/ML, Solana. Live: https://farheen-cell.gitlab.io/portfolio

CommonVote System is an open-source, distributed voting infrastructure protocol designed to enable secure, verifiable, and jurisdiction-adaptable elections. It uses end-to-end encryption, cryptographic identity verification, and one-time voting tokens to ensure ballot integrity while preserving voter privacy. The system separates identity, voting, and audit layers, with blockchain-based immutable vote recording and a compliance-driven jurisdiction plugin model that allows states and countries to define legal election rules without modifying the core cryptographic system.

Magistrate Title Services is an open-source, AGPL-3.0+ platform that modernizes real estate title and escrow processes using a hybrid blockchain architecture, AI-powered verification, and encrypted data systems. It combines public blockchain transparency with permissioned legal recordkeeping to improve security, reduce fraud, and increase trust in property transactions.

OriginScope — From Launch to Ledger — Tracked. An open-source crypto database mapping every coin’s origins, founders, white papers, social media promoters, and risk history. Flags past busts and provides lineage, transparency, and insight for investors, researchers, and the crypto community.

QuantumLock is an open-source, quantum-resistant Bitcoin protocol designed to protect digital assets from future quantum computing threats. Featuring hybrid signatures, privacy enhancements, scalable architecture, and modular governance, QuantumLock ensures that Bitcoin remains secure, resilient, and future-proof.

CryptoCradle is an open-source, global startup accelerator designed to democratize early-stage funding. It enables fractional micro-investments, multi-currency and crypto fundraising, and milestone-based smart contract funding. The platform integrates AI-driven founder evaluation, investor insights, and mentorship matching, while ensuring end-to-end encryption, KYC compliance, and blockchain-based equity tracking. CryptoCradle is community-driven, with DAO governance, gamification, and collaboration tools, making it the ultimate ecosystem to cradle the next generation of startups.

BalanceSeal is an AGPL 3.0+ cryptographic audit module for cryptocurrency exchanges and digital wallets that generates a verifiable, time-frozen snapshot of all user assets at the moment an account is terminated. It aggregates on-chain and off-chain balances, reconciles holdings across systems, locks market pricing at the termination timestamp, and produces tamper-evident reports for compliance, auditing, and transparency.