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array-parameters

Demonstrates how to pass arrays to contract functions.

b9_faucet

Our test net Ether faucet.

both-needed

Require both owners confirmation using `msg.data`

by-reference

Experiments on Solidity variables passed by reference.

chain-minimal

Mini - A minimal Cosmos SDK chain template

checkers

Long exercise demonstrating the use of Cosmos SDK and Ignite CLI

checkers-minimal

Demonstrates the creation of a minimal Cosmos SDK v0.50 module

checkers-ui

The CosmJS part of the Checkers project.

contractfactory2017

cosmjs-sandbox

Experiment with simple CosmJS concepts

cosmos-ibc-docker

cosmos-sdk

:chains: A Framework for Building High Value Public Blockchains :sparkles:

cyclical-reference

Demonstrates pre-calculation of a future contract's address.

debug-api

An experiment with Geth's debug API.

edaocation

edx-platform

The Open edX platform, the software that powers edX!

eip-1102-example

Simple example of how to transform a legacy project Web3 project to use the new EIP-1102 Web3.

embark-framework

Framework for Ethereum DApps

eos-dev-scripts

eos-hackathon-repo

eos-react-sample

This project contains a sample eosio react application, built in our eosio free course on B9lab Academy.

eth-capture-flag

You need to capture the flag, or rather to put Ether in the Flag contract without a Thief taking it before you can claim the flag.

eth-croesus

Put money ahead of deployment.

eth-hash-lotto

Can you guess a future hash?

eth-honey-pot

Steal those 5 Ethers.

eth-nostradamus

Can you prophecise the next block's values?

ethereum-org-website

Ethereum.org is a primary online resource for the Ethereum community.

ethereum101-full-stack-fest

Curious about blockchain development but unsure where to start? Join this hands-on workshop to learn how to deploy and test your first smart contract on Ethereum. Together, we will: cover the ins and outs of Solidity get a hands-on introduction to the Ethereum ecosystem, DApps and DAOs learn how to run an Ethereum node install, configure and use the most common Ethereum client compile, deploy, and instantiate a smart contract go through the different stages of contract deployment learn how to interact with a deployed contract What to bring: at least 1 year of experience with OOP (object-oriented programming) a laptop equipped with Chrome and 10 GB of free disk space

example-event

Demonstrates the use of events

faucet-barebone

Barebone example of Solidity and Web3.