Week in Ethereum News
October 23, 2021

Eth News and Links

Mainnet execution layer

  • PoW switch off community call November 5, for infrastructure providers and application developers
  • Geth v1.10.11: fixes pending transaction retrieval RPC and snapshot corruption bug
  • Stateless Ethereum cheat sheet: current state of verkle trees, address space extension and state networks
  • Piper Merriam’s Aperture Portal Network update: State Network testnet coming, agreed on a wire protocol, considering using libp2p and an ultra light client in the browser


Proof of Stake consensus layer

    Danny Ryan’s Finalized reminder: if you don’t update, you’ll get penalties
    • Teku v21.10.1: support different ports for TCP and UDP, fixes Windows incompatibility introduced in v21.10.0
    • Lighthouse v2.0.1: fix for discovery that could cause unexpected shutdown
    • Prysm v2.0.2: bug fixes
    • Nimbus v1.5.2: fixes and optimizations
  • 46% nodes ready for Altair upgrade (nodewatch.io)
  • Visualization of client diversity change over time.  It got worse in the last year, but is now slowly improving.
  • Latest What’s New in Eth2
  • PoS implementers call. Notes from Ben Edgington: teams working on issues and stability of Pithos testnet, Prysm can now sync with Pithos, beacon chain upgrade as part of PoW switch off needs a name
  • Pithos testnet consensus monitor
  • Three reorg and liveness attacks on staking fork choice rule


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Stuff for developers

  • js-ethereum-cryptography v0.2.0: cryptographic primitives, 15x smaller with 3 dependencies, experimental, awaiting security audit
  • prb-proxy: execute multiple calls in one transaction, modern DSProxy with deterministic proxy addresses and 3rd party permissions
  • smart-batched-auction for ERC721, implementation of Paradigm’s NFT launch design
  • template-ethereum-contracts: Solidity template with Hardhat deploy, updated with dapptools tests
  • starkex-clientlib-js: JavaScript wrapper of StarkEx API
  • starknet-devnet: Flask wrapper of Starknet dummy network
  • Ethernal block explorer for private chains, open sourced, adds free and paid ($20/mo) hosted tiers
  • pool-sniper: Uniswap v2 pool creation sniper
  • 13 lessons from developing USM stable token


  • Polygon Plasma bridge double spend vulnerability:
    • $2 million bounty paid
    • Exit transaction could be resubmitted 223 times
    • ~$850 million was at risk
  • Unlock Protocol’s UDT vulnerability, token could be burnt for any address, contract has since been upgraded
  • Indexed Finance identified attacker, details being provided to law enforcement after expiry of request to return 90% of funds
  • Hot wallet private key committed to Git: NFTs rescued via gasless private zero ETH sales and using Flashbots



Application layer

Job Listings

Reach people experienced with Ethereum.  $420 for two issues (~75 character limit), payable in ETH/DAI/USDC to abcoathup.eth.  Questions? abcoathup at-gmail



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