> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Chainstack updates: March 29, 2023

> Oasis Sapphire elastic node support arrives on Chainstack, accompanied by documentation and a tutorial on building confidential EVM smart contracts.

* **Protocols**

<CardGroup cols={2}>
  <Card title="Oasis Sapphire support for elastic nodes" icon="angle-right" iconType="solid" href="/docs/protocols-networks" horizontal />

  <Card title="Oasis Sapphire tutorial support" icon="angle-right" iconType="solid" href="/docs/oasis-sapphire-tutorial-understanding-confidential-smart-contracts-with-oasis-sapphire" horizontal />
</CardGroup>

* **Documentation**

<CardGroup cols={2}>
  <Card title="Oasis Sapphire" icon="angle-right" iconType="solid" href="/docs/protocols-networks" horizontal />

  <Card title="Oasis Sapphire tutorial" icon="angle-right" iconType="solid" href="/docs/oasis-sapphire-tutorial-understanding-confidential-smart-contracts-with-oasis-sapphire" horizontal />
</CardGroup>