> For the complete documentation index, see [llms.txt](https://docs.viide.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.viide.io/technology/interoperable-multi-chain-layer2.md).

# Interoperable Multi-Chain Layer2

Viide storage can be paid using BTC, ETH, or ERC20 tokens (e. g. USDT).

Viide can leverage the external storage of other blockchains.

Flexible payment methods are critical for wide adoption, which requires interoperability with other blockchains.

![](/files/HNeOH5jH79uv366qgFjr)