DeFi-Developer-Road-Map

Bitcoin protocol

Elliptic Curve

Read

Watch

Watch

Computer Science

Learn the basics of

Learn DeFi In-Depth - just

Teach yourself crypto - visit

A bunch of learning resources to choose from here:

Basics of Smart Contract:

Read

Read

Read the /

Read the /

Mastering Ethereum

Read Book and watch

Read and with

Read

Ethereum Improvement Proposals

Token contract for fungible assets

ERC-721

Token standard for non-fungible assets

Token standard for semi-fungible tokens

Mineable Token Standard

Payable Token Standard

Tokenized Vault Standard

Creates a standard method to publish and detect what interfaces a smart contract implements

A standard interface for a simple proxy account

A standard interface for ownership of contracts

Learn

Create a few repositories on /

Don't be afraid of using Google,

Get familiar with terminal ( ), configure your shell (bash, zsh, fish)

Do this course

Learning Solidity

Free tutorial

and

eth-cli

CLI tools

REPL

Solidity REPL

Online realtime compiler and runtime

gencall-cli

An interactive smart contract encoder and sender from your ABI file

Optimize function names to reduce costs

solc-typed-ast compiler

TypeScript package providing a normalized typed Solidity AST along with the utilities necessary to generate the AST (from Solc) and traverse/manipulate it

with

Solidity Semantic Highlighting for VSode

View and Interact with MetaMasks RPC API

Learn Ethereum development by making a

Read and make and example:

Learn !

Learn how to build smart contracts with Python and Vyper:

is a Web3/Solidity based wargame for those interested in learning ethereum

This document provides a baseline knowledge of security considerations for intermediate Solidity programmers. It is maintained by ConsenSys Diligence, and the broader Ethereum community

Solidity Patterns

A compilation of patterns and best practices

Smart Contracts Threats DB

A compilation of the worst patterns

An Educational Sandbox For Web3

Story-rich Quests with practical coding challenges

All you should know about ZK-SNARKs

ZoKrates

A toolbox for zkSNARKS on Ethereum

The AZTEC Protocol

Confidential transactions on the Ethereum network, implementation is live on the Ethereum main-net

Make any ERC-20 / ERC-721 token private - open source tools & microservices

NuCypher Network

A proxy re-encryption network to empower data privacy in decentralized systems

pyUmbral

Threshold proxy re-encryption cryptographic library

NuFHE

GPU accelerated FHE library

and - StarkEx scalability engine storing state transitions on-chain

Akula

an implementation of Ethereum protocol ("client") written in Rust, based on architecture

Ethereum Frameworks Listing

Flexible, extensible and fast Ethereum development environment

The smart contract development tool for Pythonistas, Data Scientists, and Security Professionals

Brownie

Brownie is a Python framework for deploying, testing and interacting with Ethereum smart contracts

Embark

Framework for DApp development

Framework for advanced smart contract development and testing, small, flexible, fast (based on ethers.js)

Etherlime

ethers.js based framework for Dapp deployment

Parasol

[Depreciated] Agile smart contract development environment with testing, INFURA deployment, automatic contract documentation and more. It features a flexible and unopinionated design with unlimited customizability

0xcert

JavaScript framework for building decentralized applications

OpenZeppelin SDK: A suite of tools to help you develop, compile, upgrade, deploy and interact with smart contracts

A tab-completey, text-based console for smart-contract interaction and development, including wallet and ABI management, ENS support, and advanced Scala integration

Cobra

A fast, flexible and simple development environment framework for Ethereum smart contract, testing and deployment on Ethereum virtual machine(EVM)

Ether Jar

Java integration library for Ethereum blockchain

Starport

A CLI tool for building sovereign IBC-enabled blockchains

Sign in with Ethereum | SIWE

Workflow to authenticate Ethereum accounts using message signing in order to establish a cookie-based web session that manages user metadata

Foundry

A smart contract development toolchain for project compilation, dependency management, testing, deployments, on-chain interactions

Solmate

These contracts have been audited but they were not developed with users in mind. They mainly seek to optimize gas and optimizations for smart contract development

Relayer infra for meta-transaction and account-abstraction superpowers: automate smart contract interactions, create gasless transactions, and more

claim testnet ETH here

Ethnode

Run an Ethereum node (Geth or Parity) for development, as easy as

Ganache

App for test Ethereum blockchain with visual UI and logs

Use Kaleido for spinning up a consortium blockchain network. Great for PoCs and testing

Run a private network of Besu nodes in a Docker container

Orion

Component for performing private transactions by PegaSys

Artemis

Java implementation of the Ethereum 2.0 Beacon Chain by PegaSys

Cliquebait

Simplifies integration and accepting testing of smart contract applications with docker instances that closely resemble a real blockchain network

Local Raiden

Run a local Raiden network in docker containers for demo and testing purposes

Private networks deployment scripts

Out-of-the-box deployment scripts for private PoA networks

Local Ethereum Network

Out-of-the-box deployment scripts for private PoW networks

Deployment and governance of consortium Ethereum PoA networks

Build Ethereum network based on Proof of Work

Ethereum API access to Ethereum networks (Mainnet, Ropsten, Rinkeby, Goerli, Kovan)

Provides access to the Ethereum network through the Cloudflare instead of running your own node

Shared and dedicated Ethereum nodes as a service (Mainnet, Ropsten, Rinkeby)

Blockchain Developer Platform, Ethereum API, and Node Service (Mainnet, Ropsten, Rinkeby, Goerli, Kovan)

JSON-RPC Ethereum API (Mainnet, Rinkeby, Front-running Mainnet)

Provide simple and reliable API access to Ethereum blockchain

Blockchain RPC access to Ethereum blockchain and 50 + others

Nethereum.Faucet

A C#/.NET faucet

Learn React on or complete some

A React library including Dapp components

A React library including Dapp components

ui.decentraland.org

A React library including Dapp components

dapparatus

Reusable React Dapp components

Metamask ui

Metamask React Components

DappHybrid

A cross-platform hybrid hosting mechanism for web based decentralised applications

Nethereum.UI.Desktop

Cross-platform desktop wallet sample

Minimalist donation button

Adaptable components and design standards for decentralized applications

brave-ui

List of reusable React components to empower your brave UI

In this article, Author will take a look at security for DApps

| Web3 Trello with token payments, credentials, bounties

| Jira alternative with an intuitive task management system that allows DAOs to pay contributors and collaborate in their projects

and with

This article will be laying down a path/roadmap, following which users will easily enter into the field of Blockchain Security together

-Investigation shows that the number of attacks did not necessarily decrease over the past few years, but for some vulnerabilities remained constant

In this paper, authors design a novel bribery attack and show that this guarantee can be hugely undermined

Here authors analyze the major blockchain-based cryptocurrencies deployed today -- including Bitcoin, Ethereum, Litecoin and ZCash, and determine risk exposure to quantum attacks

Hunting For DeFi Attacks on Blockchain. In this paper, authors proposed BLOCKEYE, a real-time attack detection system for DeFi projects on the Ethereum blockchain

Authors introduce a new topological perspective to structural anomaly detection in dynamic multilayer networks

Authors present our new and original correctness proof of the algorithm along with the Dafny machine-checkable version

This tool will help in developing more efficient decentralized systems and will affect decreasing the costs of developing decentralized application projects

In this work, authors study the problem of post-factum investigation of Ethereum attacks using Indicators of Compromise specially crafted for use in the blockchain

This document provides a generic model of understanding blockchain and its applications

In this note, authors show that privacy is impossible with the usual implementations of CFMMs under most reasonable models of an adversary and provide some mitigating strategies

This paper explains eight vulnerabilities that are specific to the application level of BT by analyzing the exploitation case scenarios of these vulnerabilities

In this paper, authors propose a framework that combines static and dynamic analysis to detect DoS due to an unexpected revert in ETH Smart Contracts

Authors found that AGSolT is capable of achieving high branch overage with both approaches and even discovered some errors in some of the most popular Solidity smart contracts on Github

Authors propose TASMG to model Ethereum transaction records as a temporal-amount network and then present TAW to effectively embed accounts via their transaction records, which integrates temporal and amount information of the proposed network

This paper addresses the detection of crypto mining attacks in a generic network environment using dynamic network characteristics

Authors prove that the probability of privacy breaches is negligibly small. Further, cost analysis of executing FASTEN over Ethereum is comparable to most of the existing cost of elections

This paper studies to what extent the cost of operating a proof-of-work blockchain is intrinsically linked to the cost of preventing attacks, and to what extent the underlying digital ledger security budgets are correlated with the cryptocurrency market outcomes

HyperSec, a visual analytics monitoring tool that provides relevant information at a glance to detect ongoing attacks on Hyperledger Fabric

In this paper, authors present a framework that combines static and dynamic analysis to detect Reentrancy vulnerabilities in Ethereum smart contracts

This paper presents a parsimonious abstraction sufficient for capturing and comparing properties of many well-known permissionless blockchain protocols

The paper is aimed at security testers aiming to start out in blockchain security reviews and blockchain developers as a reference on common pitfalls

This paper conducted a systematic literature mapping identifying initiatives and tools to analyze SCs and how to deal with the identified vulnerabilities

Authors report a first evaluation of SuMo on open-source projects for which test suites were available. The results authors got are encouraging, and they suggest that SuMo can effectively help developers to deliver more reliable smart contracts

The possibility of deleveraging spirals was first predicted in the initial release of this paper in 2019 and later observed in the Black Thursday crisis in Dai in 2020

In this paper, authors propose an anonymous trust-marking scheme on blockchain systems that is universally applicable to any cryptocurrency

In this paper, to fill the gap, authors first collect as many smart contract bugs as possible from multiple sources and divide these bugs into 9 categories by extending the IEEE Standard Classification for Software Anomalies

Experimental results show that PoDT is secure against DMB attacks and more effective than traditional consensus schemes in multi-chains environments

This paper highilights several state-of-the art solutions in consensus algorithms for enterprise blockchain

Authors implement extraction of Coq programs to functional languages based on MetaCoq's certified erasure

In this paper, authors present a protocol for facilitating trust-less cross-chain cryptocurrency transfers that preserve privacy of bridge withdrawals

Authors cover the phases of design, coding, and testing and deployment of the software lifecycle

In this work authors propose Dynamit, a monitoring framework to detect reentrancy vulnerabilities in Ethereum smart contracts

In this work, authors explore the possibility and existence of new social engineering attacks beyond smart contract honeypots

In this paper, authors develop a concurrent miner that proposes a block by executing the AUs concurrently using optimistic Software Transactional Memory systems (STMs)

Experimental results show that DefectChecker performs much better than these tools in terms of both speed and accuracy

Authors show how it enables easy integration and comparison of analysis tools by presenting a new extension to the tool SmartCheck that improves substantially the detection of vulnerabilities related to the DASP10 categories Bad Randomness, Time Manipulation, and Access Control (identified vulnerabilities increased from 11% to 24%)

In this paper, authors identify a set of 19 Solidity code smells affecting the deployment and transaction costs of a smart contract, and assess the relevance of such smells through a survey involving 34 participants

In this paper, authors consider the design of provably secure parallel-chain protocols which can adapt to such mining power variations

ESCORT framework enables transfer learning on new vulnerability types with minimal modification of the DNN model architecture and re-training overhead

Experimental results manifest that SCSGuard achieves high accuracy (0.94), precision (0.96%) and recall (0.98) for both Ponzi and Honeypot scams, and new Phishing smart contracts

This article focuses on securing CPSs by integrating Artificial Intelligence (AI) and blockchain for intelligent and trusted DTs

In this post, authors study blockchain interoperability techniques and solutions, providing a holistic overview of blockchain interoperability, paving the way for systematic research in this domain

A paper on secure smart contract designs decisions and front-running possibilities on DApps

A paper that systemizes the design alternatives for oracles, showcases attacks, and discusses attack mitigation strategies

Hands on cybersecurity training with real-world tasks

Open source maintainers and industry experts providing a central source for assistance, information, and help via templates, tools, data sets

A Hacker's playground to dynamically and compete against other users in a collaborative ecosystem that promotes hands-on training experience

Set of wargames and challenges offered by a community to learn and practice security concepts in fun wargames

Hands-on labs covering different bu classes from basic to advanced

Set of web application secrity labs with attached community solutions

Users upload "challenge boxes" that often attempt to gain root access by exploiting known vulnerabilities

A collection of Web3 wargamees inspired by in the context of the Ethereum Virtual Machine (EVM). Each level is a smart contract that needs to be hacked

An offensive security playground to learn red team cybersecurity in the context of DeFi and smart contracts. Examples include tasks where the users needs to stop the system from working, take out funds from a contract

Damn Vulnerable DeFi | Foundry

Same as Damn Vulnerable DeFi but in the context of the foundry development framework

Traditional game consisting of a series of categorized challenges where the user earns points after every successful challenge. The goal is to make the function return true

Educational videos on DeFi

In this paper, authors propose a formal process-algebraic technique that models DeFi protocols in a compositional manner to allow for efficient property verification

Authors explain the behavior of fees in blockchains

Good Retrospective into the beginning of decentralized finance

Authors exploit our theory to formally prove a set of fundamental properties of AMMs, characterizing both structural and economic aspects

Authors discuss the persisting reliance of DeFi lending on the traditional financial system, and conclude with the outlook of the lending market in the IOV era

-In this paper, authors investigate two methods that allow them to automatically create profitable DeFi trades

In this paper authors formally characterize rational miners as players which follow an optimal strategy in the mining game

In this paper authors explore how design weaknesses and price fluctuations in DeFi protocols could lead to a DeFi crisis

In order to protect protocols from suffering losses, undercollateralized positions can be liquidated. In this paper, authors present empirical analysis of liquidations on protocols for loanable funds (PLFs)

Authors seek to understand the degree to which this practice may contribute to financial integration on Ethereum by examining transactions in 'composed' derivatives for the assets DAI, USDC, USDT, ETH and tokenized BTC for the full set of 344.8 million Ethereum transactions computed in 2020

Authors propose in this work a new approach to constructing the AMM by proposing the idea of dynamic curves

In this work authors formalize, analytically exposit and empirically evaluate an augmented variant of front-running: sandwich attacks, which involve front- and back-running victim TXs

A Snapshot of Flash Loan Attack on DeFi Ecosystem

Detecting Price Manipulation Attacks on DeFi Applications

Flash Loans. DeFi. Classic

In this Systematization of Knowledge (SoK), authors delineate the DeFi ecosystem along its principal axes. SCSGuard: Deep Scam Detection for Ethereum Smart Contracts

This paper provides a framework to quantify decentralization of governance power among blockchain applications

Authors show that liquidity providers lose token value if exchange rates are volatile due to the order execution mechanism of the blockchain-based exchange

-One of the best studies on Uniswap DEX activity, authors started researching in 2019 and recently released fresh 2021 analysis

Authors provide new insights on designing crypto systems

Authors aim to understand how liquidity providers react to market information and how they benefit from providing liquidity in DEX

Good Read. This paper suggests that with the smart contract technology and the replicated state machine setting of Ethereum, arbitrage strategies are easier implemented in DEXes than in CEX

In this SoK, authors systemize the design alternatives for oracles, showcase attacks, and discuss attack mitigation strategies

This paper proposes a mathematical model for AMM composition

In this paper, authors will study and analyze blockchain oracles with regard to how they provide feedback to the blockchain and smart contracts

In this work, authors systematically analyze the differences between CeFi and DeFi, covering legal, economic, security, privacy and market manipulation. Authors also provide a structured methodology to differentiate between a CeFi and a DeFi service

Yet, no existing work has studied this emerging system, the security issues and misbehaviors in ENS. Authors present the first study of ENS by analyzing millions of event logs related to ENS

Market trends, trade networks and visual features

A Case Study of CryptoKitties

In this technical report, authors explore the NFT ecosystems in several aspects

Authors seek to provide a sound foundation for stablecoin theory, with a risk-based functional characterization of the economic structure of stablecoins

Authors discuss how stablecoins help reduce the volatility of cryptocurrencies by surveying different types of stablecoins and their stability mechanisms

Authors performed a systematic empirical analysis on real transaction activities of the Basis Cash stablecoin to relate theoretical possibilities to market observations

In this paper authors propose a transferable electronic cash scheme using blockchain technology which allows users to continuously reuse coins within the system

An analysis of the crypto prices and search trends suggests the existence of big players (and not the regular users), manipulating the market after a drop in prices

In this paper, authors propose an atomic, scalable and privacy-preserving protocol that enables secure and dynamic updates. Then develop a smart contract-based Credit-Note System (CNS) that allows participants to lock funds before a state channel initialisation, which enhances flexibility and efficiency

-In this work, authors examine a comprehensive set of data management approaches for ETH apps and assess the associated cost in gas as well as the retrieval performance

This study comprehensively investigates blockchain governance via 5W1H questions

Authors propose a general-purpose framework, supporting data analytics on Bitcoin Ethereum — it allows to integrate block data with data from other sources, and to organise them in a database

In this work, authors propose the first censorship resilient mixer, which can reward its users in a privacy-preserving manner for participating in the system

This report aims to review existing enterprise blockchain technologies: EOSIO powered systems, Hyperledger Fabric and Besu, Consensus Quorum, R3 Corda and Ernst and Young’s Nightfall

First, this article introduces how blockchain works, the research activity and challenge, and illustrates the roadmap involving the classic methodology with typical blockchain use cases and topics. Second, in blockchain system, how to adopt stochastic process, game theory, optimization, machine learning and cryptography to study blockchain running process and design blockchain protocol/algorithm are discussed in details

Ethna implements a novel method that accurately measures the degrees of Ethereum nodes

A novel community detection algorithm which is designed for low-rank signals on graph can help find users’ communities based on user-token subscription

The results show that BAC approaches can help the network to achieve a high transaction throughput while improving block utilization and saving computational power. Meanwhile, the trade-off between transaction throughput and block utilization is demonstrated, which can act as a guidance for practical deployment of blockchain

In this paper authors show that this belief is preconceived by demonstrating a method that enables blockchain and distributed ledger technologies to perform calls to external systems initiated from the blockchain/DLT itself

Authors demonstrate the applicability of the proposed blockchain configuration process model on four blockchain projects

Authors present framework that can be used to compute optimal fees for real world pools using past trade data

In this paper, authors develop a reward mechanism framework that could apply to many PoS blockchains

In this paper, authors present a generalization of first-order logic which can express the unbounded sum of balances

Using data in the form of metrics can help software startups to make the right decisions amidst uncertainty and limited resources

Authors discuss how blockchain data can be abstracted as various types of networks, and how network abstractions used to reap insights into the structure

Written by Fabian Schar, gives an overview of blockchain based markets with technical details but in a digestable format; great paper for new comers to the space

EIP1559 FAQ

Authors perform a thorough analysis of the resulting fee market dynamic mechanism via a combination of tools from game theory and dynamical systems

Authors explain the new pricing mechanism for the Ethereum developed to bring stability to fluctuating gas prices

This report assesses the game-theoretic strengths and weaknesses of the proposal and explores some alternative designs

Authors provide evidence that miners already extract Miner Extractable Value (MEV), which could destabilize the blockchain consensus security, as related work has shown

Introduces the concept of MEV, the work highlights the large, complex risks created by transaction-ordering dependencies in smart contracts and the ways in which traditional forms of financial-market exploitation are adapting to and penetrating blockchain economies

In this post, authors study transaction ordering in eth2 and analyze MEV-enabled staking yields. Then they find that MEV will significantly boost validator rewards but may reinforce inequalities among participants of eth2. Authors also discuss qualitative aspects of MEV in eth2 such as the potential dynamics that will unfold between its largest stakeholders like exchanges and validator pools

In this post, authors study blockchain interoperability techniques and solutions, providing a holistic overview of blockchain interoperability, paving the way for systematic research in this domain

Anonymous platform for whistleblowers and DeFi detectives to present their information to the community

Newsletter covering the latest security news, tools, events, vulnerabilities, and threats in the cryptocurrency landscape. Also

A list of all massive security breaches or thefts involving blockchains

dapp-bin

Ethereum repo providing implementations for many common data structures and utilities in Solidity, Serpent and LLL

Solidity Collections

Collections of code snippets and utility libraries

Framework to build secure smart contracts

Zeppelin

Contains tested reusable smart contracts like SafeMath and OpenZeppelin SDK for smart contract upgradeability

cryptofin-solidity

A collection of Solidity libraries for building secure and gas-efficient smart contracts on Ethereum

Modular Libraries

A group of packages built for use on blockchains utilising the Ethereum Virtual Machine

DateTime Library

A gas-efficient Solidity date and time library

ARC

an operating system for DAOs and the base layer of the DAO stack

DEX protocol

Token Libraries with Proofs

Contains correctness proofs of token contracts wrt. given specifications and high-level properties

Provable API

Provides contracts for using the Provable service, allowing for off-chain actions, data-fetching, and computation

ABDK Libraries for Solidity

Fixed-point (64.64 bit) and IEEE-754 compliant quad precision (128 bit) floating-point math libraries for Solidity

especially section

CryptoFin Solidity Auditing Checklist

A checklist of common findings, and issues to watch out for when auditing a contract for a mainnet launch

CryptoFin Solidity Auditing Checklist

A checklist of common findings, and issues to watch out for when auditing a contract for a mainnet launch

Security verification platform and tools ecosystem for Ethereum developers

Mythril

Open-source EVM bytecode security analysis tool

Oyente

Alternative static smart contract security analysis

Security scanner for Ethereum smart contracts

Static smart contract security analyzer

Ethersplay

EVM disassembler

Evmdis

Alternative EVM disassembler

Hydra

Framework for cryptoeconomic contract security, decentralised security bounties

Solgraph

Visualise Solidity control flow for smart contract security analysis

Manticore

Symbolic execution tool on Smart Contracts and Binaries

Slither

A Solidity static analysis framework

Adelaide

The SECBIT static analysis extension to Solidity compiler

solc-verify

A modular verifier for Solidity smart contracts

Solidity security blog

Comprehensive list of known attack vectors and common anti-patterns

Awesome Buggy ERC20 Tokens

A Collection of Vulnerabilities in ERC20 Smart Contracts With Tokens Affected

Free smart contract security audits from Callisto Network

A visual Solidity architecture analyzer

Decompiler and vulnerability scanner for deployed contracts

Web3.js

Javascript Web3

Javascript Web3 alternative

Ethers.js

Javascript Web3 alternative, useful utilities and wallet features

light.js

A high-level reactive JS library optimized for light clients

Web3Wrapper

Typescript Web3 alternative

A collection of utility functions for Ethereum like and

flex-contract

and - Modern, zero-configuration, high-level libraries for interacting with smart contracts and making transactions

ez-ens

Simple, zero-configuration Ethereum Name Service address resolver

web3x

A TypeScript port of web3.js. Benefits includes tiny builds and full type safety, including when interacting with contracts

Cross-platform Ethereum development framework

dfuse

A TypeScript library to use

Drizzle

Redux library to connect a frontend to a blockchain

Tasit SDK

A JavaScript SDK for making native mobile Ethereum dapps using React Native

useMetamask

a custom React Hook to manage Metamask in Ethereum ĐApp projects

Open protocol for connecting Wallets to Dapps

ChainAbstractionLayer

Communicate with different blockchains (including Ethereum) using a single interface

Delphereum

a Delphi interface to the Ethereum blockchain that allows for development of native dApps for Windows, macOS, iOS, and Android

Open-sourced SDK to build dapps with a seamless onboarding UX

A simple to use SDK to build web3 dApps without extensions or downloads

A non-custodial wallet with an SDK that enables easy interaction with DApps without installing anything

create-eth-app

Create Ethereum-powered front-end apps with one command

Scaffold-ETH

Beginner friendly forkable github for getting started building smart contracts

dApp framework using ethereum, builder, svelte and thegraph

Deliver real-time notifications to your users. With built-in support for Speed-Ups and Cancels, Blocknative Notify.js helps users transact with confidence. Notify.js is easy to integrate and quick to customize

Web3.py

Python Web3

Web3.php

PHP Web3

Ethereum-php

PHP Web3

Web3j

Java Web3

.Net Web3

Ethereum.rb

Ruby Web3

rust-web3

Rust Web3

ethers-rs

Ethers-rs

Haskell Web3

KEthereum

Kotlin Web3

Eventeum

A bridge between Ethereum smart contract events and backend microservices, written in Java by Kauri

Ethereumex

Elixir JSON-RPC client for the Ethereum blockchain

Ethereum-jsonrpc-gateway

A gateway that allows you to run multiple Ethereum nodes for redundancy and load-balancing purposes. Can be ran as an alternative to (or on top of) Infura. Written in Golang

EthContract

A set of helper methods to help query ETH smart contracts in Elixir

A MESG Service to interact with any Ethereum contract based on its address and ABI

A MESG Service to interact with events from Ethereum and interact with it

Python, JS, and Java SDK for simplifying interactions with Ethereum. Uses relayers to offload transaction costs to relayers

provides advanced logging capabilities for Ethereum applications and networks including a query language, query processor, and logging code generation

an open-source Ethereum client developed under the Apache 2.0 license and written in Java. The project is hosted by Hyperledger

Go client

Erigon

a mostly Go implementation of Ethereum client built on the efficiency frontier

Akula

Rust implementation

Nethermind

.NET Core client

A managed service providing Ethereum client standards-compliant APIs

Python client using

Ethereumjs

JS client using

Seth

Seth is an Ethereum client tool—like a "MetaMask for the command line"

Quorum

A permissioned implementation of Ethereum supporting data privacy by

Awesome Quorum

A curated list of awesome software, libraries, tools and more to build on ConsenSys Quorum

A managed service providing shared and dedicated Geth nodes

Blockchain developer cloud with API access and node-as-a-service

Provide simple and reliable API access to Ethereum blockchain

DB3 Network

Decentralized Firebase Firestore Alternative

Decentralised storage and file referencing

Mahuta

IPFS Storage service with added search capability, formerly IPFS-Store

OrbitDB

Decentralised database on top of IPFS

JS IPFS API

A client library for the IPFS HTTP API, implemented in JavaScript

TEMPORAL

Easy to use API into IPFS and other distributed/decentralised storage protocols

The Easiest Way to Use IPFS

Distributed storage platform and content distribution service, a native base layer service of the Ethereum web3 stack

A managed IPFS API Gateway and pinning service

an offchain incentivized peer-to-peer cloud project (database, file storage, computing and DID) compatible with ETH and IPFS

Uses IPFS for quick and easy decentralized web hosting

similar to netlify but uses ipfs for hosting websites

Packaged components for the Ethereum ecosystem

Create Eth App

Create Ethereum-powered frontend apps with one command

Run a private network of Besu nodes in a Docker container

Testchains

Pre-configured .NET devchains for fast response (PoA)

Blazor/Blockchain Explorer

Wasm blockchain explorer (functional sample)

Local Raiden

Run a local Raiden network in docker containers for demo and testing purposes

Private networks deployment scripts

Out-of-the-box deployment scripts for private PoA networks

Local Ethereum Network

Out-of-the-box deployment scripts for private PoW networks

Use Kaleido for spinning up a consortium blockchain network. Great for PoCs and testing

Cheshire

A local sandbox implementation of the CryptoKitties API and smart contracts, available as a Truffle Box

aragonCLI

aragonCLI is used to create and develop Aragon apps and organizations

ColonyJS

JavaScript client that provides an API for interacting with the Colony Network smart contracts

ArcJS

Library that facilitates javascript application access to the DAOstack Arc ethereum smart contracts

Blocknative Onboard is the quick and easy way to add multi-wallet support to your project. With built-in modules for more than 20 unique hardware and software wallets, Onboard saves you time and headaches

web3-react

React framework for building single-page Ethereum dApps

ABI decoder

library for decoding data params and events from Ethereum transactions

ABI-gen

Generate Typescript contract wrappers from contract ABI's

Ethereum ABI UI

Auto-generate UI form field definitions and associated validators from an Ethereum contract ABI

headlong

type-safe Contract ABI and Recursive Length Prefix library in Java

Generate dapps from Truffle artifacts, deploy contracts on public/private networks, offers live customizable public page to interact with contracts

Instantly create a dApp at a unique URL using the ABI

a development tool that provides a simple HTTP API to find and read from Truffle-generated contract files, for use during local development. Serves fresh contract ABIs over http

A MESG Service to interact with any Ethereum contract based on its address and ABI

Nethereum-CodeGenerator

A web based generator which creates a Nethereum based C# Interface and Service based on Solidity Smart Contracts

Solidity code coverage

Solidity code coverage tool

Solidity coverage

Alternative code coverage for Solidity smart-contracts

Solidity function profiler

Solidity contract function profiler

Sol-profiler

Alternative and updated Solidity smart contract profiler

Espresso

Speedy, parallelised, hot-reloading solidity test framework

Eth tester

Tool suite for testing Ethereum applications

Cliquebait

Simplifies integration and accepting testing of smart contract applications with docker instances that closely resembles a real blockchain network

Hevm

The hevm project is an implementation of the Ethereum virtual machine (EVM) made specifically for unit testing and debugging smart contracts

Ethereum graph debugger

Solidity graphical debugger

Tenderly CLI

Speed up your development with human readable stack traces

Solhint

Solidity linter that provides security, style guide and best practice rules for smart contract validation

Ethlint

Linter to identify and fix style & security issues in Solidity, formerly Solium

Decode

npm package which parses tx's submitted to a local testrpc node to make them more readable and easier to understand

truffle-assertions

An npm package with additional assertions and utilities used in testing Solidity smart contracts with truffle. Most importantly, it adds the ability to assert whether specific events have (not) been emitted

Psol

Solidity lexical preprocessor with mustache.js-style syntax, macros, conditional compilation and automatic remote dependency inclusion

solpp

Solidity preprocessor and flattener with a comprehensive directive and expression language, high precision math, and many useful helper functions

– Decode and publish raw ethereum tx. Similar to

a library for mocking smart contract dependencies during unit testing

a tool for performing smart contract queries (audit/bug-bounty)

rocketh

A simple lib to test ethereum smart contract that allow to use whatever web3 lib and test runner you choose

pytest-cobra

PyTest plugin for testing smart contracts for Ethereum blockchain

Testing tool with a Web interface to test conformance and properties of ERC-20 tokens. Based on Foundry forge

Check out Author's methodology, carefully read all parts of

On-Chain Investigations Tools List

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