Quadrable (quadb) is an embedded multi-versioned DBMS engine that uses Merkle trees.
Key/Value
Custom API Command-line / Shell
N-ary Storage Model (Row/Record)
Log-structured
Embedded
https://github.com/hoytech/quadrable
Doug Hoyte
CA
2020
Commercial, Open Source
C++
C++, Solidity
LMDB
Linux
BSD