# Chain architecture

How does the Bittensor Chain work?

_Source: https://beta.taostats.io/docs/concepts/chain-runtime/chain-architecture_

_Last reviewed: 2026-09-15_

How does the Bittensor Chain work?

* [Yuma Consensus](https://beta.taostats.io/docs/concepts/chain-runtime/consensus)
* [Smart Contracts with EVM](https://beta.taostats.io/docs/concepts/chain-runtime/evm-contracts)
* [Commit Reveal 3.0](https://beta.taostats.io/docs/concepts/chain-runtime/commit-reveal-30)
* [Parent/Child Hotkeys](https://beta.taostats.io/docs/concepts/how-emission-works/emission-parent-hotkeys)
* [Extrinsics](https://beta.taostats.io/docs/concepts/chain-runtime/extrinsics-and-events)
  * [List of all Extrinsics](https://beta.taostats.io/docs/understanding-taostats/extrinsics/list-of-all-extrinsics)
  * [Multisig extrinsics](https://beta.taostats.io/docs/understanding-taostats/extrinsics/multisig-extrinsics)
  * [Batch Extrinsics](https://beta.taostats.io/docs/understanding-taostats/extrinsics/batch-extrinsics)
* [Deploy a Test Chain (Mac)](https://beta.taostats.io/docs/concepts/chain-runtime/deploy-a-dtao-chain)
* [Sign a message with your wallet key](https://beta.taostats.io/docs/concepts/wallets-accounts/sign-a-message-with-your-wallet-key)