# LikeCoin chain [LikeCoin chain](https://www.mintscan.io/likecoin) is a distributed ledger of the DAO, the open government of Liker Land. A sovereign, application specific blockchain designed for content creation and information property management, offering high-speed, low cost and most importantly, independence. Data on the LikeCoin chain is open and can be visualized on [Ping.pub](/general-guides/wallet/block-explorer/ping.pub.md). On **November 15, 2019**, LikeCoin upgraded from ERC-20 to the LikeCoin chain code name SheungWan based on the [Cosmos Hub](https://cosmos.network/) ecosystem. On **August 18, 2021**, the LikeCoin chain upgraded to FoTan, which incorporates advanced features such as [International Standard Content Number (“ISCN”)](/depub/what-is-iscn.md), IBC (Inter-blockchain communication) and other features of [Stargate](https://stargate.cosmos.network/). On **July 21, 2022**, the LikeCoin chain upgraded to StarFerry. This upgrade features the [Writing NFT](/depub/writing-nft.md) module, and nft-related services, such as nft minting, blind box, and marketplace chain API. On **June 5, 2023**, the LikeCoin chain upgraded to LikeCoin v4.0.0 ChungKing, enhanced NFT and [ISCN](/depub/what-is-iscn.md) functions, supported Ledger, minimum validator commission, group module multisig, etc. #### To Learn More [LikeCoin Chain Upgrade – ChungKing](https://blog.like.co/en/likecoin-chain-upgrade-chungking/) [StarFerry – A Full Ship of Stories | LikeCoin Updates](https://blog.like.co/en/starferry-a-full-ship-of-stories-likecoin-updates/) [Successful LaiChiKok Upgrade with the Blessing from Mascots? | LikeCoin Newsletter](https://blog.like.co/en/successful-laichikok-upgrade-with-the-blessing-from-mascots-likecoin-newsletter/) [LikeCoin chain upgrade, LaiChiKok Overview](https://blog.like.co/en/likecoin-chain-upgrade-laichikok-overview/https://blog.like.co/en/likecoin-chain-upgrade-laichikok-overview/) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.v2.like.co/general-guides/governance/likecoin-chain.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.