Supporting several locks without centralization

[s-celles]

Supporting several locks without centralization of data to avoid single point of failure might be considered.

Distributed database or private blockchain are possible implementations of such concepts.

https://www.quora.com/How-is-the-blockchain-different-from-distributed-databases-in-terms-of-record-keeping

https://www.findbestopensource.com/tagged/distributed-database

https://githubreviews.com/explore/databases/distributed-databases

rqlite
http://www.rqlite.com/ -> http://www.philipotoole.com/tag/rqlite/
https://github.com/rqlite/rqlite

https://www.cockroachlabs.com

http://alinousdb.com

https://www.rethinkdb.com

https://www.bigchaindb.com/

[s-celles]

SQLAlchemy have a dialect driver for rqlite https://github.com/rqlite/sqlalchemy-rqlite
Not sure if it's well maintained

Bedrockdb
https://bedrockdb.com/
https://github.com/Expensify/Bedrock