# FoTan Upgrade

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The documentation is designed for Liker Land and LikeCoin v2. For information on [3ook.com](https://3ook.com/) and LikeCoin v3, please visit [docs.3ook.com](https://docs.3ook.com) and [dao.like.co](https://dao.like.co/).
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#### [Upgrade Overview](https://blog.like.co/en/likecoin-chain-fotan-upgrade-overview-4827a933b22/)

FoTan is the first major upgrade of LikeCoin chain.

Both testnet and mainnet upgrades are completed. For setting up a mainnet or testnet node, see [here](https://docs.v2.like.co/validator/likecoin-chain-node/setup-a-node).