# Phase0 workshop Welcome! --- ## Day 1 Overview - :wave: Introduction round - :eyes: Cover basics - :notebook: Phase 0 spec - walkthrough - :apple: Lunch - :1234: Workshop topics overview, you decide - :fire: Hack & learn --- ### :wave: Introduction round --- ### Proto   IRL name: *Diederik Loerakker* Online tag: `@protolambda` https://github.com/protolambda/ Just call me **"Proto"** --- What do I work on? Research at EF + Hacking on Eth2 repos. | Eth2 specs | ZRNT | Remerkleable | |---|---|---| |  |  |  | And 40+ smaller repositories... --- ### Michael  IRL name: Michael Sproul Online tag: `@michaelsproul` / `@sproulM_` --- Working on: **Lighthouse** - Rust Eth2 client  --- ### Albert  IRL Name: Albert Ni Ethereum Foundation - workshop co-lead. --- ### Eth2 friends  *Interop lock-in event in Canada last year* --- Client teams: - Sigma Prime -- Lighthouse (Rust) - Chainsafe -- Lodestar (Typescript) - Status -- Nimbus (Nim) - Prysmatic -- Prysm (Go) - Consensys -- Teku (Java/Kotlin) --- Other: - Quilt, Consensys, Pegasys - Ewasm team, EF researchers - Whiteblock, Protocol Labs, Runtime Verification - And more! --- ### You?  --- ## Day 1 Overview - ~~:wave: Introduction round~~ - :eyes: Cover basics - :notebook: Phase 0 spec - walkthrough - :apple: Lunch - :1234: Workshop topics overview, you decide - :fire: Hack & learn --- ## :eyes: Basics - Phase0 intentions - Highlight components new in Phase 0 - Where Phase 1 and Phase 2 continue - Where to find specs, how changes are made - Question round --- ## :notebook: Phase 0 spec - Phase0 for humans: https://notes.ethereum.org/@djrtwo/Bkn3zpwxB - Eth2 edu diagrams: https://github.com/protolambda/eth2-docs - Annotated spec: https://benjaminion.xyz/eth2-annotated-spec/ --- ## Lunch time! ### :apple: :pear: :banana: --- ## Workshop plans --- ### :construction: Client architecture - Who is on the network - Separation from validator client - Components - Eth1-data tracking - Operation pools, gossip - Fork-choice - Block production, duties, serve validator API - Networking; peer store, RPC status/sync. --- ### :pineapple: Optimizations - What does it mean to flatten the state-transition to O(n)? - What does hash-tree-root entail for Eth2? - Data-sharing to deduplicate and fork consensus state quick - Fork choice batching and history --- ### :satellite: Networking - Quick libp2p intro - Networking spec quick walkthrough - Try the networking REPL, learn (while playing with it) about different networking components - Learn about DOS questions of audit - Spin up a testnet, learn what is happening --- ### :coffee: Algorithmic challenges - Slashing detection: memory/storage intensive matching - Non-local attestation aggregation: maximum disjoint-set problem, heuristics, privacy concerns. - State-sync; quick Eth1 beam-sync explainer. Then how SSZ, bounded state, and light-clients change things in Eth2. --- ### :wrench: Tooling fun: - Quick walkthrough of libraries/client utilities to build hacks with - Showcase: beaconcha.in, beacon etherscan, eth2stats, client-metrics. - Ideas/hacking on something new. --- ## :fire: Hack & learn Challenge ideas:  *https://notes.ethereum.org/@protolambda/ryNEqN0mL*