2024-04-29 17:49:02 +00:00
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<h1>ThreeFold Chain</h1>
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<h2>Table of Contents</h2>
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- [Introduction](#introduction)
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- [Deployed instances](#deployed-instances)
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- [Create a TFChain twin](#create-a-tfchain-twin)
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- [Get your twin ID](#get-your-twin-id)
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***
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## Introduction
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ThreeFold blockchain (aka TFChain) serves as a registry for Nodes, Farms, Digital Twins and Smart Contracts.
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It is the backbone of [ZOS](https://github.com/threefoldtech/zos) and other components.
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## Deployed instances
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- Development network (Devnet):
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- Polkadot UI: [https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.dev.grid.tf#/explorer](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.dev.grid.tf#/explorer)
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- Websocket url: `wss://tfchain.dev.grid.tf`
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- GraphQL UI: [https://graphql.dev.grid.tf/graphql](https://graphql.dev.grid.tf/graphql)
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- QA testing network (QAnet):
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- Polkadot UI: [https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.qa.grid.tf#/explorer](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.qa.grid.tf#/explorer)
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- Websocket url: `wss://tfchain.qa.grid.tf`
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- GraphQL UI: [https://graphql.qa.grid.tf/graphql](https://graphql.qa.grid.tf/graphql)
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- Test network (Testnet):
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- Polkadot UI: [https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.test.grid.tf#/explorer](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.test.grid.tf#/explorer)
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- Websocket url: `wss://tfchain.test.grid.tf`
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- GraphQL UI: [https://graphql.test.grid.tf/graphql](https://graphql.test.grid.tf/graphql)
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- Production network (Mainnet):
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- Polkadot UI: [https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.grid.tf#/explorer](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2F/tfchain.grid.tf#/explorer)
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- Websocket url: `wss://tfchain.grid.tf`
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- GraphQL UI: [https://graphql.grid.tf/graphql](https://graphql.grid.tf/graphql)
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## Create a TFChain twin
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A twin is a unique identifier linked to a specific account on a given TFChain network.
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Actually there are 2 ways to create a twin:
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2024-05-06 14:43:43 +00:00
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- With the [Dashboard](dashboard@@wallet_connector)
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2024-04-29 17:49:02 +00:00
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- a twin is automatically generated while creating a TFChain account
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- With the TFConnect app
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- a twin is automatically generated while creating a farm (in this case the twin will be created on mainnet)
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## Get your twin ID
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One can retrieve the twin ID associated to his account going to `Developer` -> `Chain state` -> `tfgridModule` -> `twinIdByAccountID()`.
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