> For the complete documentation index, see [llms.txt](https://docs.changeblock.com/changeblock-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.changeblock.com/changeblock-documentation/solutions/environmental-attributes/exchange.md).

# Exchange

Changeblock offers three marketplaces for three different usecases:

| Marketplace | Client                                                                                  | Functionality                                                                                                                                                 | Link                                                                                                |
| ----------- | --------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- |
| Business    | Businesses of any size, from SME to enterprise and transnational                        | Purchase credits across a range of categories including carbon, plastic and maritime. You can also directly offset on the platform. Payable in fiat currency. | [Business](/changeblock-documentation/solutions/environmental-attributes/exchange/business.md)      |
| Retail      | Retail users looking to offset personal emissions with fiat currency                    | Purchase credits, retire them, generate offset certificates, community features.                                                                              | [Retail](/changeblock-documentation/solutions/environmental-attributes/exchange/retail.md)          |
| web3        | web3 natives that wish to purchase (or offset using) tokenised environmental attributes | Entirely smart-contract based marketplace for buying or bidding on tokenised environmental attributes. Accessible with all major webwallets.                  | [web3 offsetting](/changeblock-documentation/solutions/environmental-attributes/web3-offsetting.md) |