# Advanced Topics

* [Serialization](https://web-token.spomky-labs.com/1.x/advanced-topics/serialization)
* [Nested Tokens](https://web-token.spomky-labs.com/1.x/advanced-topics/nested-tokens)
* [Custom Algorithm](https://web-token.spomky-labs.com/1.x/advanced-topics/custom-algorithm)
* Signed tokens and
  * [Unprotected Header](https://web-token.spomky-labs.com/1.x/advanced-topics/signed-tokens-and/unprotected-header)
  * [Multiple Signatures](https://web-token.spomky-labs.com/1.x/advanced-topics/signed-tokens-and/multiple-signatures)
  * [Detached Payload](https://web-token.spomky-labs.com/1.x/advanced-topics/signed-tokens-and/detached-payload)
  * [Unencoded Payload](https://web-token.spomky-labs.com/1.x/advanced-topics/signed-tokens-and/unencoded-payload)
* Encrypted tokens and
  * [Unprotected Header](https://web-token.spomky-labs.com/1.x/advanced-topics/encrypted-tokens-and/unprotected-headers)
  * [Multiple Recipients](https://web-token.spomky-labs.com/1.x/advanced-topics/encrypted-tokens-and/multiple-recipients)
  * [Additional Authentication Data (AAD)](https://web-token.spomky-labs.com/1.x/advanced-topics/encrypted-tokens-and/additional-authentication-data-aad)