# Retention at Rank 4

|                  |                                 |
| ---------------- | ------------------------------- |
| **Report Date**  | Date of submission (2024/06/11) |
| **Submitted by** | Bryan Chen                      |


## Member details

- Matrix username: @xlchen:matrix.org
- Polkadot address: 14DsLzVyTUTDMm2eP3czwPbH53KgqnQRp3CJJZS9GR7yxGDP
- Current rank: 4
- Date of initial induction: NA
- Date of last report: NA
- Area(s) of Expertise/Interest: XCM, Frame, Runtime, Testing, JAM, Tooling


## Reporting period

- Start date: 2024-01-03
- End date: 2024-07-13


## Evidence

| Areas of Contribution | Tasks                                                        | Links                                                        | Notes                                    |
| --------------------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ---------------------------------------- |
| Polkadot SDK          | Report issues and making suggestions                         | https://github.com/paritytech/polkadot-sdk/issues?q=is%3Aissue+author%3Axlc+created%3A%3E2024-01-03 |                                          |
| Polkadot SDK          | Permisionless way to create HRMP channels between system parachains and other parachains | [Design, Discuss](https://github.com/polkadot-fellows/RFCs/issues/82) and [Development](https://github.com/paritytech/polkadot-sdk/pull/3721) |                                          |
| Runtime               | Investigate production XCM issues                            | https://github.com/paritytech/polkadot-sdk/issues/3070       |                                          |
| Process               | Improve XCM development and release process                  | https://forum.polkadot.network/t/improve-xcm-development-and-release-process/6497 |                                          |
| Discussion            | Unbrick Collective                                           | https://forum.polkadot.network/t/unbrick-collective/6931     |                                          |
| SDK                   | Cross-Consensus Query Language (XCQ)                         | [Design](https://github.com/open-web3-stack/XCQ/issues), [Discussion](https://forum.polkadot.network/t/cross-consensus-query-language-xcq/7583) and [Development](https://github.com/open-web3-stack/XCQ) |                                          |
| Tooling               | Chopsticks                                                   | http://github.com/AcalaNetwork/chopsticks                    |                                          |
| Testing               | End to End tests                                             | https://github.com/open-web3-stack/e2e-test https://github.com/AcalaNetwork/e2e-tests/ |                                          |
| Support               | Help review and validate governance proposals                |                                                              |                                          |
| JAM                   | Review of graypaper                                          |                                                              | Identified multiple typo / inconsistency |
| Support               | Code review and technical support                            |                                                              |                                          |