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Overview of Substrate

Translated version: 中文.

This is an up-to-date cheatsheet of news, events, and onboarding materials for Substrate.

Substrate is an open-source framework that lets you build entire, configurable blockchains in minimal time. Optionally, you can then deploy your blockchain to the Polkadot network, which has pooled security and other advantages. See a detailed summary here.

With Substrate, you get the following *customizable- functionalities out-of-the-box:

  • A default PoS blockchain
  • Upgradable runtimes
  • Pluggable consensus (PoS, PoW, PoA)
  • Block production, synchronization
  • Efficient storage
  • Efficient state machine
  • P2P networking layer
  • Built in crypto primitives
  • Light client support
  • Suite of libraries to modify runtime logic, i.e. manage storage, accounts, staking, a treasury, consensus and more
  • UI kits

Table of Contents

Official Wikis

Social Channels

Tutorials

Key talks

Intro to Parity

Sourced from @folsen and @4meta5

Intro to Web3

Substrate and Polkadot

Key Developers Talks

Key Articles

Projects

Showcasing projects built on Substrate

  • IPFS browser. Repo
  • Substrate multisig. Repo
  • Merkle tree module. Repo
  • Parking spaces registry using Substrate. Repo
  • An "Apple Store": sells apples using Substrate. Repo
  • ChainLink - developing an oracle (announcement)
  • 0x protocol - decentralized exchange (Tweet)
  • Aragon - unstoppable organizations, DAOs (Presentation)
  • AdEx - implementing their registry (announcement)
  • ChainX - developing a Bitcoin and Ethereum bridge (announcement)
  • Ocean Protocol - ecosystem for sharing data (presentations)
  • Energy Web Foundation - building an energy network (announcement)
  • iExec - decentralized cloud computing (announcement)
  • Edgeware - building a WASM-based smart contract platform (website)
  • ZeroChain - zK-SNARKs chain built on Substrate (announcement)
  • Robonomics - cyber-physical systems integration (Twitter status)
  • MXC - IoT protocol (website & technical paper)
  • Katallassos - financial contacts (website)
  • Joystream - A user governed video platform (announcement)
  • Asure Network - social security network (website)
  • Kilt Protocol - identity trust market (website)
  • PACTCare - Metadata Blockchain based on Substrate called Starlog (GitHub)
  • Blink Network - lightning fast payments (website)
  • Akropolis - global pensions infrastructure (announcement)
  • LayerX - zk-SNARKs chain (announcement)
  • Plasm - Plasm is a Substrate Runtime Module Library allows developers to add Plasma functions to their Substrate chain (GitHub)
  • Speckle OS - universal identity and account parachain (announcement)
  • Agora.Trade - a cryptocurrency exchange for non-custodial trading (Website)
  • Evolution Land - a virtual management game based on blockchain (Github)
  • KatalChain - standard framework for DeFi (Github)

source

Partnerships

  • Partnering with Longhash on a Polkadot incubator program

Research

Timeline

Substrate

*As of 8 Feb 2019

Polkadot

**As of 1 Dec 2018

Security

Critiques

Appendix

Historical

Helpful Diagrams

Substrate

SRML is composable

Substrate parallelises transactions:

You can hack at various layers of Substrate:

Polkadot

Polkadot is composable

Polkadot chains

Relay chain vs Parachain

How PoS staking affects finality:

Polkadot pools security:

Difference btw Polkadot parachains vs Substrate chains:

Relaychain, parachains, bridgechains

Solo chains, bridge chains, parachains

Transaction flow:

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