> For the complete documentation index, see [llms.txt](https://programmingblockchain.gitbook.io/programmingblockchain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://programmingblockchain.gitbook.io/programmingblockchain/introduction/license_cc_asa_3u.md).

# License: CC (ASA 3U)

You are free to share and adapt, as specified in the Attribution-Share Alike 3.0 Unported (CC BY-SA 3.0).

![](/files/-LL8tQ_tbdDmwUfoYnmJ)