[Promote To I Dan] Referendum #91

Hi, I'm s0me0ne-unkn0wn. I've worked on Polkadot since July 2022 and have been a core developer in the Parachain Core team since October 2022.

Here's my list of notable contributions:

Codebase contributions

• Introduction of execution environment parametrization (polkadot#6161, polkadot#6934, polkadot#6823, polkadot#7008)
• Work on PVF execution determinism (polkadot-sdk#1192)
• Async backing & co (polkadot-sdk#3211, runtimes#228)
• Notable refactorings and improvements (polkadot-sdk#2125, polkadot-sdk#3061, polkadot#6487)

Write-ups

• PVF stack metering
• Achieving cross-platform stack determinism for PVF execution

Educational

Participated in a myriad of discussions on PVF execution determinism (e.g. polkadot-sdk#1434) and promoted a better understanding of the determinism issues and how to handle them.

Based on the foregoing, I hereby apply for Dan I in Polkadot Fellowship.
Polkadot address: 13WGadgNgqSjiGQvfhimw9pX26mvGdYQ6XgrjPANSEDRoGMt