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# System prepended metadata

title: Week 4 (7/8-13/8)

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This week was the most productive one since the start of the fellowship. I got the hang of the PTC design of ePBS apart from that had a great discussion with Potuz, Terence and other other fellows on the call.

**Updates:**
* Continued reading Eth2 Book
* Read about IL, slots, attestations, committes and overall design scheme of PTC based implementation of PBS
* Read the draft specs by Potuz and Terence
* Gone through the discussion that have happened on the Prysm discord for better understanding

**Resources:**
1. https://notes.ethereum.org/@fradamt/forward-inclusion-lists
2. https://notes.ethereum.org/@casparschwa/HkPjIzUQY
3. https://barnabe.substack.com/p/pbs
4. https://www.adiasg.me/casper-ffg-explainer/
5. https://www.adiasg.me/casper-ffg-in-eth2-0/

**Next Steps:**

Narrow down a  particular component within PTC to work on. Prysm team suggested this approach going forward as this helps set reasonable expections and plan the process.