# Advanced

- [Bridges](/advanced/bridges.md)
- [Standards](/advanced/standards.md)
- [Token standards](/advanced/standards/token-standards.md)
- [ERC-20 Fungible Tokens](/advanced/standards/token-standards/erc-20-fungible-tokens.md)
- [ERC-721 NFTs](/advanced/standards/token-standards/erc-721-nfts.md)
- [Oracles](/advanced/oracles.md)
- [Networking layer](/advanced/networking-layer.md)
- [Network addresses](/advanced/networking-layer/network-addresses.md)
- [Data structures and encoding](/advanced/data-structures-and-encoding.md)
- [Patricia Merkle Trie](/advanced/data-structures-and-encoding/patricia-merkle-trie.md)
- [Recursive-length prefix (RLP)](/advanced/data-structures-and-encoding/recursive-length-prefix-rlp.md)
- [Web3 secret storage definition](/advanced/data-structures-and-encoding/web3-secret-storage-definition.md)