# Evidence-0001: Retention at to Rank III

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| --------------- | ------------------------------------------------------------------------------------------- |
| **Report Date** | 2024/06/21                                                            |
| **Submitted by**| ordian                                                                        |


## Member details

- Polkadot address: `13aYUFHB3umoPoxBEAHSv451iR3RpsNi3t5yBZjX2trCtTp6`
- Current rank: III
- Date of initial induction: Seeding
- Date of last report: NA
- Area(s) of Expertise/Interest: `Parachains Consensus`, `Data Availability`


## Reporting period

- Start date: 2024/01/01
- End date: 2024/06/21


## Evidence

My recent contributions have been around design and implementation of validator disabling/slashing, addressing other security issues and consulting JAM Parity team on Parachains Consensus protocol and the initial implementation of Data Availability layer.

|  Areas of Contribution | Tasks  | Links   |Notes   |
|---|---|---|---|
|Polkadot SDK   | Design and implementation of validator disabling/slashing | [Tracking issue](https://github.com/paritytech/polkadot-sdk/issues/784) [1](https://github.com/paritytech/polkadot-sdk/pull/2637) [2](https://github.com/paritytech/polkadot-sdk/pull/1841) [3](https://github.com/paritytech/polkadot-sdk/pull/4431) [4](https://github.com/paritytech/polkadot-sdk/pull/1220)  | Team effort  |
|Polkadot SDK   | Some help with elastic scaling MVP efforts  | [1](https://github.com/paritytech/polkadot-sdk/pull/3302) [2](https://github.com/paritytech/polkadot-sdk/pull/3521)  |   |
|Postmortems | Investigating and fixing issues with parachains consensus | [Parachains stall](https://forum.polkadot.network/t/stalled-parachains-on-kusama-post-mortem/3998) and [finality stall](https://forum.polkadot.network/t/finality-stall-on-kusama-15-02-2024-post-mortem/6398) | Out of reporting period, but relevant |
|JAM | Data availability lib + initial protocol implementation + consultations | [Lib](https://github.com/paritytech/erasure-coding) | JAM repository is currently private |

Other contributions:
- [Polkadot SDK reviews](https://github.com/paritytech/polkadot-sdk/pulls?q=is%3Apr+reviewed-by%3Aordian+)
- [runtimes reviews](https://github.com/polkadot-fellows/runtimes/pulls?q=is%3Apr++reviewed-by%3A%40me+)
- [active participation in fellowship voting](https://collectives.subsquare.io/user/13aYUFHB3umoPoxBEAHSv451iR3RpsNi3t5yBZjX2trCtTp6/votes)