Week in Ethereum News
October 9, 2021

Eth News and Links

Mainnet execution layer


  • EIP4345: Difficulty Bomb Delay to May 2022

Proof of stake consensus layer


This newsletter is made possible thanks to NEAR!

NEAR Con Alpha

NEAR CON Alpha is taking place in Lisbon on October 26th & 27th. The event is open to everyone to come and celebrate NEAR’s 1 Year Anniversary since Mainnet launch. Immerse yourself in two days of talks, networking, workshops and a whole lot more provided by the NEAR Ecosystem and its Community.

Stuff for developers

  • CREATE3 contract library to deploy contracts, deterministic address depends only on the salt and not the code, fixed 60k extra gas cost
  • SSTORE2 contract storage, cheaper than native storage for > 64 bytes, up to 17x cheaper than SLOAD and 3x cheaper than SSTORE, unaudited
  • ERC3652PureProxy: CREATE2 based pure proxy factory, executes delegate call in constructor
  • Fisher-Yates Shuffle, random on chain shuffle, O(n) complexity
  • noble-hashes: fast, secure, minimal JavaScript implementations of SHA2, SHA3, RIPEMD, BLAKE2, HMAC, HKDF, PBKDF2 & Scrypt
  • prb-math.js: JavaScript for PRBMath Solidity library, use in testing
  • Ξthernaut’s Solidity Trivia questions
  • eth-sdk: generate type-safe SDK for a contract using the address
  • Solidity dynamic array in storage can overwrite contract storage when using onlyOwner modifier
  • Vyper v0.3.0: refactored legacy backend, unblocks progress on requested features, use with care
  • Otterscan v2021.10.01: transaction decoding of non-verified contracts and improved support for Sourcify verified contracts
  • mev-inspect-py: finds miner payments, token transfers, swaps and arbs
  • Guide to setting up Nile for StarkNet’s Cairo language
  • Auto battler logic in Python with STARK proof in Cairo


  • COMP at risk increased to ~490k, drip function sent ~200k COMP backlog to Comptroller, community have been returning COMP
  • Staking pool vulnerability impacting Lido and Rocket Pool, deposit can be frontrun putting funds at risk, flagged by StakeWise, raised in Eth Research in late 2019
  • Searcher contract exploited for $1 million as token approvals function didn’t have appropriate checks


Application layer

  • ENS profiles support NFT avatars
  • Mirror opens publishing to all
  • Rune pitches a vision for MakerDAO where Dai backed by solar, wind and ESG corporate bonds, plus updated tokenomics allowing locked MKR to have greater voting power with more attractive rates 
  • Etherscan visualisations of state of bridges
  • Difference between Nexus Mutual token price (from bonding curve) and wrapped token price (market sentiment) used for 50% discount on buying coverage
  • Ethereum leads NFT ecosystem with over $6 billion in secondary sales
  • Context beta, follow NFT activity of DAOs, creators and collectors
  • RICKS (Recurrently Issued Collectively Kept Shards), use cases include fractionalized NFTs and addressing DAO apathy
  • Infinity decentralized NFT marketplace, vampire attack of OpenSea with governance token airdrop

Job Listings

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Dates of Note

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