This whitepaper is for historical reference only. Some content might be outdated and some links might not be available.

# Document revisions
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| Change | Description | Date | 
| --- |--- |--- |
| [Document updated](#document-revisions) | Fifth publication. | December 2, 2022 | 
| [Document updated](#document-revisions) | Minor updates. | November 1, 2019 | 
| [Document updated](#document-revisions) | Fourth publication. | September 1, 2019 | 
| [Document updated](#document-revisions) | Third publication. | June 1, 2018 | 
| [Document updated](#document-revisions) | Second publication. | November 1, 2017 | 
| [Initial publication](#document-revisions) | Whitepaper published. | October 1, 2017 |