A CLI tool for analyzing Ethereum blockchain state changes between blocks

gnark is a fast zk-SNARK library that offers a high-level API to design circuits. The library is open source and developed under the Apache 2.0 license

Minimalist, fast and modular implementation of the Lean Ethereum client written in Rust

A simple calculator using python CLI

A secure, automated savings platform on Base with Spend & Save automation

A smart contract–based banking system built entirely with ERC20 tokens, enabling deposits, withdrawals, transfers, and balance management on-chain.

A blockchain-based student management system built with smart contracts to manage student records, enrollment, grades, and access control securely.

A blockchain-based voting system built with smart contracts to enable secure, transparent, and tamper-resistant elections.

A decentralized marketplace built with smart contracts using escrow to enable secure, trustless transactions between buyers and sellers.

A blockchain subscription system using smart contracts for automated recurring payments and access control.

A blockchain-based hospital management system implemented with smart contracts to handle patient records, doctor access, appointments, and on-chain data integrity.

A decentralized crowdfunding system that manages campaigns, contributions, and payouts securely on-chain.

A smart contract system for minting, managing, and transferring NFTs, showcasing ownership, rarity, and metadata management on-chain.

Users deposit tokens, earn interest over time (like mini banks).

A Go implementation of the Lean Ethereum consensus protocol

Learn Data Skills Through Real Projects Master web development, data science, mobile development, and DevOps with industry-leading instructors.

A blockchain-based lending platform built with smart contracts to enable secure, decentralized lending and borrowing of assets with automated tracking and repayments.

Tokenized Bonds – Users buy “bonds” for a real-world project; payout after maturity.

Holds funds until both parties confirm delivery.

Automatic payouts based on verifiable events (e.g., flight delay).

Record shipment or production stages on blockchain.

Prevent scalping, enable resell with royalties.

ssz is a lightweight, deterministic, efficient serialization format for encoding data structures, especially within the consensus layer of ethereum. It supports fixed and variable-length types.