> For the complete documentation index, see [llms.txt](https://docs.aeternity.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aeternity.com/aeternity-core-concepts.md).

# æternity core concepts

- [Introduction](https://docs.aeternity.com/aeternity-core-concepts/introduction.md)
- [æternity Protocol](https://docs.aeternity.com/aeternity-core-concepts/protocol.md)
- [æternity Coin](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-coin.md)
- [Fast Æternity Transaction Engine (FATE VM)](https://docs.aeternity.com/aeternity-core-concepts/protocol/fast-aeternity-transaction-engine-fate-vm.md): FATE VM: faster, safer code
- [æternity Nodes](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes.md)
- [Node architecture](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes/node-architecture.md)
- [Node types](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes/node-types.md)
- [Node Roles](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes/node-roles.md)
- [Transactions](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions.md)
- [Types of transactions](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions/types-of-transactions.md)
- [Transaction Lifecycle](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions/transaction-lifecycle.md)
- [Transaction Fees](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions/transaction-fees.md)
- [Meta-transactions and Generalized Accounts](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions/meta-transactions-and-generalized-accounts.md)
- [State Channel Transactions](https://docs.aeternity.com/aeternity-core-concepts/protocol/transactions/state-channel-transactions.md)
- [Networks](https://docs.aeternity.com/aeternity-core-concepts/protocol/networks.md)
- [Consensus Mechanisms](https://docs.aeternity.com/aeternity-core-concepts/protocol/consensus-mechanisms.md)
- [Next Generation Nakamoto Consensus (Bitcoin-NG)](https://docs.aeternity.com/aeternity-core-concepts/protocol/consensus-mechanisms/next-generation-nakamoto-consensus-bitcoin-ng.md)
- [Cuckoo Cycle Proof of Work](https://docs.aeternity.com/aeternity-core-concepts/protocol/consensus-mechanisms/cuckoo-cycle-proof-of-work.md)
- [Hyperchains and Delegated Proof of Stake](https://docs.aeternity.com/aeternity-core-concepts/protocol/consensus-mechanisms/hyperchains-and-delegated-proof-of-stake.md)
- [Governance and Weighted Coin Voting](https://docs.aeternity.com/aeternity-core-concepts/protocol/consensus-mechanisms/governance-and-weighted-coin-voting.md)
- [State Channels](https://docs.aeternity.com/aeternity-core-concepts/protocol/state-channels.md)
- [Oracles](https://docs.aeternity.com/aeternity-core-concepts/protocol/oracles.md)
- [Aeternity Naming System (AENS)](https://docs.aeternity.com/aeternity-core-concepts/protocol/images-and-media.md)
- [Hyperchains](https://docs.aeternity.com/aeternity-core-concepts/hyperchains.md)
- [Hyperchains Whitepaper](https://docs.aeternity.com/aeternity-core-concepts/hyperchains/hyperchains-whitepaper.md): Current Hyperchains Whitepaper
- [Hyperchains: Bridging Security and Scalability Through Periodic Synchronization](https://docs.aeternity.com/aeternity-core-concepts/hyperchains/hyperchains-bridging-security-and-scalability-through-periodic-synchronization.md)
- [Hyperchains: Bridging Security and Scalability Through Periodic Synchronization](https://docs.aeternity.com/aeternity-core-concepts/hyperchains/hyperchains-bridging-security-and-scalability-through-periodic-synchronization-1.md)
- [Aeternity Governance](https://docs.aeternity.com/aeternity-core-concepts/aeternity-governance.md)
- [Aeternity Foundation](https://docs.aeternity.com/aeternity-core-concepts/aeternity-foundation.md)


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