Ethereum Blog

Verkle tree structure

A Verkle tree is a commitment scheme that works similar to a Merkle tree, but has much smaller witnesses. It works by replacing the hashes in a Merkle tree with a vector commitment, which makes wider branching factors more efficient. Thanks to Kevaund...
Cryptocurrency

Arrow Glacier Upgrade Announcement

The Ethereum network will be undergoing a scheduled upgrade at block number 13,773,000, which is predicted to occur on Wednesday, December 8, 2021. The exact date is subject to change due to variable block times and timezones. Please upgrade your node ...
Cryptocurrency

Allocation Update: Q2 2021

It's that time again - our Q2 grantee lineup is coming right up. But before we get to that: ESP is hiring a Team Lead! We're looking for someone organized, innovative, and passionate about Ethereum. If you think you might be the right person to lead a...
Cryptocurrency

Finalized no. 31

This issue of Finalized is dedicated to the contextualization of a recently published paper describing three possible attacks on Ethereum's proof-of-stake algorithm. tl;dr These are serious attacks with a formally-analyzed, technically-simple mitigati...
Cryptocurrency

Grantee Roundup: September 2021

It’s always fun to hear about new grants as they’re awarded, but what happens after the announcement? In this series, we’ll check in on a couple of projects that are well underway - or already at the finish line. Read on to learn about some recent mile...
Cryptocurrency

Amphora: A Major Merge Milestone

Earlier this year, the Rayonism hackathon kicked off to protoype the architecture for Ethereum's transition to proof of stake. The transition, often refered to as The Merge, will keep the existing beacon chain (eth2) and execution layer (eth1) clients,...
Cryptocurrency

Finalized no. 29

Altair is here; the Merge is coming. tl;dr Altair upgrade epoch set, mainnet client releases in progress 👀 Merge interop spec released. Devnets to follow 🏺...
Cryptocurrency

Grantee Roundup: August 2021

It’s always fun to hear about new grants as they’re awarded, but what happens after the announcement? In this series, we’ll check in on a couple of projects that are well underway - or already at the finish line. Read on to learn about some recent mile...
Cryptocurrency

Secured no. 1

Earlier this year, we launched a bug bounty program focused on finding issues in the beacon chain specification, and/or in client implementations (Lighthouse, Nimbus, Teku, Prysm etc...). The results (and vulnerability reports) have been enlightening a...
Cryptocurrency

Finalized no. 28

The Road to Altair edition 🛣⭐️ tl;dr Pyrmont upgrade successful, scenario testing underway Prater upgrade scheduled for September 2, 12pm UTC Mainnet to follow...
Cryptocurrency

Grantee Roundup: July 2021

It’s always fun to hear about new grants as they’re awarded, but what happens after the announcement? In this series, we’ll check in on a couple of projects that are well underway - or already at the finish line. Read on to learn about some recent mile...
Cryptocurrency

Road to Devcon Meetup and Event Grants

Community organizers are the glue that holds the Ethereum ecosystem together, and whether they're leading large-scale events, local meetups, hackathons or seminars, we might all be wandering in the dark forest of the analog world without them. But wher...
Cryptocurrency

Allocation Update: Q1 2021

Happy July! Read on for the list of projects funded in Q1 of this year. But first: office hours are in session! Signups are open now through this Sunday (July 4) for teams or individuals to request a one-on-one call with the ESP team during the week o...
Cryptocurrency

London Testnets Announcement

The long-anticipated London upgrade is now ready for deployement on the Ethereum testnets! The upgrade will first go live on Ropsten, at block 10499401, which is expected to happen around June 24, 2021. This upgrade follows Berlin, which was activated...
Cryptocurrency

Grantee Roundup: May 2021

It’s always fun to hear about new grants as they’re awarded, but what happens after the announcement? In this series, we’ll check in on a couple of projects that are well underway - or already at the finish line. Read on to learn about some recent mile...
Cryptocurrency

Quests along the Road to Devcon

Friends, As the Ethereum ecosystem continues to grow and mature at break-neck speeds, we continue to work hard on delivering an amazing Devcon 6. Though the timing is still unclear as to when we’ll all be able to reunite in Bogota, we want to keep our...
Cryptocurrency