# YAR Docs

## Docs

- [Introduction](https://docs.yarchain.org/testnet-instruction/introduction.md)
- [Add YARchain TestNet](https://docs.yarchain.org/testnet-instruction/add-yarchain-testnet.md)
- [Add a few others TestNets](https://docs.yarchain.org/testnet-instruction/add-a-few-others-testnets.md)
- [YAR v.1.0beta — Rewarding Usage Experience](https://docs.yarchain.org/testnet-instruction/yar-v.1.0beta-rewarding-usage-experience.md)
- [Protocol](https://docs.yarchain.org/dev-docs/protocol.md)
- [Fees](https://docs.yarchain.org/dev-docs/fees.md)
- [Use cases](https://docs.yarchain.org/dev-docs/use-cases.md)
- [Hello world!](https://docs.yarchain.org/dev-docs/hello-world.md): Example of a smart contract for cross-chain message transfer
- [Introduction](https://docs.yarchain.org/whitepaper/introduction.md)
- [YAR architecture](https://docs.yarchain.org/whitepaper/yar-architecture.md)
- [YAR objective](https://docs.yarchain.org/whitepaper/yar-architecture/yar-objective.md)
- [YARchain architecture](https://docs.yarchain.org/whitepaper/yar-architecture/yarchain-architecture.md)
- [Connectors architecture](https://docs.yarchain.org/whitepaper/yar-architecture/connectors-architecture.md)
- [Project mechanics](https://docs.yarchain.org/whitepaper/project-mechanics.md)
- [Nodes](https://docs.yarchain.org/whitepaper/project-mechanics/nodes.md)
- [Chain Connection](https://docs.yarchain.org/whitepaper/project-mechanics/chain-connection.md)
- [Witness operations](https://docs.yarchain.org/whitepaper/project-mechanics/witness-operations.md)
- [Consensus on transactions](https://docs.yarchain.org/whitepaper/project-mechanics/consensus-on-transactions.md)
- [Threshold Signature Scheme (TSS)](https://docs.yarchain.org/whitepaper/project-mechanics/threshold-signature-scheme-tss.md)
- [Scaling](https://docs.yarchain.org/whitepaper/project-mechanics/scaling.md)
- [Management](https://docs.yarchain.org/whitepaper/project-mechanics/management.md)
- [Voting in YAR DAO](https://docs.yarchain.org/whitepaper/project-mechanics/voting-in-yar-dao.md)
- [Supported networks](https://docs.yarchain.org/whitepaper/project-mechanics/supported-networks.md)
- [Protocol updates](https://docs.yarchain.org/whitepaper/project-mechanics/protocol-updates.md)
- [Use cases](https://docs.yarchain.org/whitepaper/project-mechanics/use-cases.md)
- [$YAR Utilization](https://docs.yarchain.org/whitepaper/project-mechanics/usdyar-utilization.md)
- [Transaction fee and cross-chain calls discount](https://docs.yarchain.org/whitepaper/project-mechanics/transaction-fee-and-cross-chain-calls-discount.md)
- [Conclusion](https://docs.yarchain.org/whitepaper/conclusion.md)
- [LEGAL DISCLAIMER](https://docs.yarchain.org/whitepaper/legal-disclaimer.md)


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