# EOSC Weekly Report #69

11/18/2019 - 11/24/2019

**Work Completed**

1\. Fixed the problems with [Codex.io](http://codex.io/) merged with eosio 2.0.x, tested the applicability of new features in [Codex.io](http://codex.io/) 2.0.x.

2\. Improved the unit test of EOSC and [Codex.io](http://codex.io/).

3\. Researched the development plan of Codex.fc supporting different encryption algorithms.

4\. Researched EOSC data index query scheme.

5\. Redesigned the chain startup proces of [Codex.io](http://codex.io/), removed the dependency of the genesis contract.

6\. Added a declaration feature of the contractual account on [Codex.io](http://codex.io/).