Maximally simple account abstraction without gas refunds: Vitalik Buterin on sharding.

Phase 2 pre-spec: cross-shard mechanics: Vitalik on sharding.

Rate-limiting entry/exits, not withdrawals: Vitalik on Casper.

The State of Ethereum 2.0 by Justin Drake.

Shasper Testnet Plans.

Looking back at the Ethereum 1x workshop 26–28.01.2019 (part 2) and part 3 by Alexey Akhunov.

Ethereumjs-vm — v2.6.0 — Petersburg / Goerli Support.

Phase 0 and phase 1 spec v0.3.

Ethereum Cat Herders Meeting #4: Agenda. Audio. Notes. ProgPoW audit/review by the Ethereum Cat Herders. Community discussion on Reddit GPU Miners need you and you need GPU Miners (PoW/ProgPoW).

Ethereum Cat Herders Update#1.

Vitalik has put up a draft implementation of an optimised LMD GHOST implementation.

Validator Topology Notes: Brief notes from Danny on validator topology.

Towards Efficient RSA Accumulator Proof Generation — Plasma Prime by Nathan Ginnever.

Minimal Phase 0 Wire API [WIP].

Networking in Serenity (ETH2.0).

Tweetstorm on “Q1 2019 Beacon Chain Testnet” by Paul Hauner.

ProgPoW CarbonVote.

Reddit:

All you need to know about ProgPoW Votings.

ProgPoW: Does the origin of open-source code matter?

Why Is It Taking to so Long to Implement POS on Ethereum?

Development tools

A Definitive List of Ethereum Developer Tool in ConsenSys blog : A guide to available tools, components, frameworks, and platforms for developing applications on Ethereum.

Solidity graph debugger v2. Rewritten with new UI and API.

Solidity v0.5.4.

Formal Verification explainer series, part 2: proving the correctness of a token in KLAB.

Graph Explorer launches with Dharma, Compound, Uniswap, ENS, Origin, Decentraland, and Livepeer as partners, so devs can explore data on all those projects.

Getting started with the Görli testnet. Etherscan now supports Goerli.

Getting started with EthPM and web3.py.

Vuethereum: a Vue.js frontend library. And a vue.js Solidity IDE.

ENS Manager supports EIP1577 contenthash.

LimePay: enable your users to execute Eth transactions with fiat.

Groundhog Network: subscription crypto payments for merchants, who can also convert to fiat.

Build your own embeddable frontend on Dether for in person fiat transactions.

Upgradeability is a bug. This used to be a more common theme of debate.

Testing real world upgrades from ZeppelinOS.

3Box’s Spaces: app-specific data storage, permissioned by users.

Web3.js v1.0.0-beta.44.

Embark tutorial: building a decentralized Reddit, pt1.

Slither v0.6 — latest version of Trail of Bits security tool.

ZeppelinOS v2.2.

Manuel Araoz: coding scarce digital goods with life, death, and healing.

TypeScript Merkle tree with Solidity proof verifier.

BokkyPooBah’s Gas-Efficient DateTime Library v1.01.

Etherlime adds debugger.

Mudit Gupta’s list of tips to save gas in Solidity.

Loom giving away packs to devs building on Zombie Battleground API.

Infura releases a devp2p analysis tool with PostgresDB and Metabase.

Uport’s EthTypedData Javascript library to create, sign and verify Structure Types and EIP712 domains.

The code architecture of Etherisc’s insurance framework.

Trick block explorers into displaying the wrong byte code.

Instagram dapp clone with Vue.js and IPFS.

Embark: building a decentralized Reddit, pt2.

Governance and new standards proposals

ProgPoW Carbonvote.

Melonport dissolves in favor of its protocol, setting a new bar for the blockchain world: TechCrunch overview of Melon Council governance of Melonport.

ZEIP-23: trade bundles of assets: 0x to vote on enabling ZEIP23’s bundles of assets.

Danny Ryan tweetstorm: “Ethereum is strong because of abundant, world-class leadership.”

State Fees (formerly State rent) pre-EIP proposal version 3 by Alexey Akhunov.

a16z Podcast: Voting, Security, and Governance in Blockchains with Phil Daian and Ali Yahya.

a16z Podcast: Cryptonetworks as Emerging Economies (Done Right?) with Chris Burniske, Joel Monegro, Denis Nazarov, and Jesse Walden.

Ecosystem updates

J.P. Morgan is using Ethereum to launch a ‘digital U.S. dollar’ — here’s what it means for blockchain — in ConsenSys blog. The payment rails of the future have arrived.

Blockchain Explained by Joseph Lubin. Episode 1: What is ConsenSys and its Relationship to Ethereum?

Hudson Jameson on Twitter on February 12th, 2019: Constantinople has not been postponed again.

Augur Bets on Ethereum Constantinople Delay After Another Bug Found on Trust Nodes.

The Exclusive Ethereum Hardfork Naming Finals — Reddit discussion.

A community-led initiative to decentralize Donuts: Reddit is exploring using Ethereum to tokenize karma.

Web3 Design Decision Making Framework: Initial results of the research for the Web3 Design System that teach how to make sense of Web3 user problems and how to solve them.

Enterprise Ethereum Alliance Expands Presence in Asia; Appoints Blockchain Expert Dr. Weijia Zhang to Lead China Office.

Enterprise Ethereum Alliance Is Forming a ‘Token Task Force’ on Coindesk.

Unbound Tech Joins the Enterprise Ethereum Alliance.

EthCC Web3 Ecosystem Development Track.

ECF Network: More Than Grants.

ETHDenver 2019 Experiential #BUIDLATHON to Put Blockchain Tech Use Cases in the Palm of Attendees’ Hands from Start to Finish.

Let’s Make it Official! MEW V5, MyEtherWallet’s All New Interface, Is Here.

The revamp on Etherscan.io + Dark Mode + Additional Features: Etherscan revamps its UI, adds Görli, and now you can verify Vyper code, plus more charts on gigabytes needed for Geth/Parity full/archive.

Vipnode 2.0 Released. Vipnode is an open source implementation of economic incentives for running Ethereum full nodes who serve light clients — a critical component of ETH2.0 sharding! More context here.

Announcing the winners of the 0x + CoinList Hackathon.

Justin Drake on Twitter on February 7th, 2019:

Danny Ryan Tweet storm on “leadership” in Ethereum 2.0.

EthGlobal launched a new website.