> For the complete documentation index, see [llms.txt](https://zugchain.gitbook.io/zugchain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zugchain.gitbook.io/zugchain/architecture-and-core/portal-network-and-storage.md).

# Portal Network & Storage

### <mark style="color:$primary;">Portal Network & State Expiry</mark>

Decentralized DHT Archival Storage Layer ensuring blockchain lightness over decades.

<table data-view="cards"><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><mark style="color:$primary;">KZG</mark></td><td>DAS Proofs</td></tr><tr><td><mark style="color:$primary;">5-10Y</mark></td><td>Hot Storage</td></tr><tr><td><mark style="color:$primary;">DHT</mark></td><td>Portal Retrieval</td></tr><tr><td><mark style="color:$primary;">-40%</mark></td><td>Disk Overhead</td></tr></tbody></table>