info_tfgrid/collections/info_grid/knowledge_base/about/tfchain.md

TFChain

Table of Contents

• Introduction
• TFChain Uses

---

Introduction

TFChain is a blockchain based on Parity Substrate which manages the TFGrid 3.x.

TFChain is a combination of TFChain nodes.

TFChain Uses

This blockchain is used for:

• storing information as needed on the ThreeFold Grid
  • identity information of entities (person and company)
  • 3node phone book, where are the 3nodes, how much capacity, which farmer
  • TF Farmer's, where are they based, how long active, reputation
  • DigitalTwin Phonebook, registry of all digital_twins, where are they, public key, unique id, ... (*1)
  • Reputation information : how good is a farmer, uptime of a 3Node (*2)
  • Account_Metadata which is information about a digital currency wallet/account needed for vesting, locking, ...
• backend for Consensus_Engine.
• smartcontract_it layer (how to provision workloads on top of TFGrid)
• the backend for TFChainDB