# Update 2 ## week 2 updates 1. This week I deep dived into [Portal Network](https://www.ethportal.net/) and [EIP-4444](https://eips.ethereum.org/EIPS/eip-4444) 1. I read about History-Expiry in EL clients and how it can reduce storage requirements and RAM usage along with statelessness and dived into [trin-repository](https://github.com/ethereum/trin) 1. I also read [Kademlia paper](https://pdos.csail.mit.edu/~petar/papers/maymounkov-kademlia-lncs.pdf) and deep dived into [this](https://notes.ethereum.org/hfbmSM_9RYas6t013xjq6Q) project proposed by dankrad from EF research team. 1. I continued my reading on custom libp2p implementation in Prysm and read in deep about [Noise Protocol Framework](https://noiseprotocol.org/noise.html), [Multiplexing using multistream-select](https://github.com/multiformats/multistream-select/) and [pub-sub](https://github.com/libp2p/specs/blob/master/pubsub/gossipsub/gossipsub-v1.0.md#gossipsub-the-gossiping-mesh-router) 1. As part of my project selection I might choose [trin-execution](https://github.com/eth-protocol-fellows/cohort-five/blob/main/projects/project-ideas.md#trin-contribute-to-trins-execution-client-the-first-execution-client-being-built-to-not-use-devp2p) proposed by Kolby or custom-libp2p impl project in prysm and parallely research on ePBS for contribution to prysm CL client. ## week 3 roadmap * research more on the trin-execution roadmap * explore trin portal client * attend ACDC and portal implementars call