Add typehints to blockchain (#3149)

* updating DIRECTORY.md

* updating DIRECTORY.md

* Added type hints to blockchain algorithms

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Jenia Dysin committed 5y ago

0febbd397ec2a41cff7f9fa2c182c14516f5bb36

Parent: e077662

Committed by GitHub <[email protected]> on 11/29/2020, 4:20:54 PM