OpenRelay

16 Mar 2022

PluGeth-Parity Tracing Suite

An open source plugin now offers Parity trace capabilities in PluGeth.

plugeth

rivet

14 Feb 2022

Rivet.cloud's Cardinal Rollout Plan

An in depth look at the design of Cardinal

ethercattle cardinal rivet

rivet

14 Feb 2022

Cardinal Architecture

An in depth look at the design of Cardinal

ethercattle cardinal rivet

14 Feb 2022

PluGeth: The Geth Fork to End All Geth Forks

As part of our initiative to create Cardinal, we started with creating an extensible fork of Geth we hope will be useful far beyond its application in Cardinal.

plugeth

rivet

14 Feb 2022

Why We Built Cardinal

A look at the problems Cardinal solves that EtherCattle couldn't

ethercattle cardinal rivet

rivet

14 Feb 2022

Introducing Cardinal!

The EtherCattle Initiative started us down the path to operationally manageable Ethereum node infrastructure. Soon it will be time for Cardinal to take up the mantle.

ethercattle cardinal rivet

xyz

21 Jun 2021

Retiring The OpenRelay Order Book

The OpenRelay team is shutting down the 0x Order Book to focus on other products.

openrelay 0x

security

09 Feb 2021

A Framework for Understanding Vulnerability Lifecycles in Ethereum Clients

Patching security updates requires a careful balance of multiple concerns. We present a framework for considering the impacts of different approaches to handling updates at different phases in the life-cycle of software.

geth

16 Nov 2020

Geth: It's Time for Long Term Support

An LTS release of Geth likely could have prevented the November 11th chainsplit. Here's how we can get there.

rivet geth

rivet

11 Nov 2020

Rivet's Operational Process is not Just a Talking Point

The Ethereum ecosystem was rocked by an Infura outage lasting nearly five hours. It's not just luck that Rivet was unaffected.

rivet

25 Sep 2020

A Look at the Pocket Network

The Pocket Network is a decentralized network of blockchain node providers.

rivet pokt

dos

06 Aug 2020

DoS Series: Epilogue — A Look at Ethical Hacking

A look at the concept of Ethical hacking in the context of the attacks on Rivet.

dos rivet

dos

06 Aug 2020

DoS Series: Saturday — A Stunning Confession

A University professor admits to the attacks.

dos rivet

dos

06 Aug 2020

DoS Series: Friday — A Break in the Case

The Rivet team finally gets a clue of where the attacks are coming from.

dos rivet

dos

06 Aug 2020

DoS Series: Thursday — Waiting for the Next Wave

After putting protective measures in place, the Rivet team awaits the next wave.

dos rivet

dos

06 Aug 2020

DoS Series: Wednesday — Batten Down the Hatches

Realizing these attacks aren't going away, the Rivet team prepares for more.

dos rivet

dos

06 Aug 2020

DoS Series: Tuesday — Attacks Intensify

Late Tuesday night, the Rivet team faces the most aggressive attacks yet.

dos rivet

dos

06 Aug 2020

DoS Series: Monday — A Reprieve

After a night of Denial of Service attacks, the Rivet team gets a day to regroup.

dos rivet

dos

06 Aug 2020

DoS Series: Sunday — Attacks Begin

The Rivet team handles the first attacks of the week.

dos rivet

dos

06 Aug 2020

DoS Series: Introduction

At the height of the COVID-19 pandemic, the Rivet team was forced to deal with persistent denial of service attacks executed by researchers at a major US University. We came out on top, and now we're here to tell the story.

dos rivet

rivet

30 Jun 2020

Multitransaction Gas Estimation

You can now estimate gas for a chain of dependent transactions on Rivet

rivet geth

rivet

23 Jun 2020

Flume

Rivet is happy to announce indexed event logs

flume rivet

xyz

02 Apr 2020

Announcing Support for 0x v3

OpenRelay now supports version 3 of the 0x exchange contracts on Rinkeby and the Ethereum Mainnet

openrelay 0x

dev

13 Feb 2020

Storing Data in Ethereum

In the Ethereum blockchain, sometimes information that seems simple can be painfully hard to retrieve. Today we dive into the structure of the data stored in clients and where that difficulty comes from.

geth rivet

security

02 Nov 2019

Privacy and Web3 — The Stats

On the anniversary of the adoption of EIP-1102, we're publishing the results of our Web3 Analytics experiment

privacy stats

rivet

01 Sep 2019

Rivet Released for General Availability

Rivet.cloud - the hosted service based on OpenRelay's EtherCattle initaitive - is now generally available.

rivet

01 Aug 2019

Rivet Beta Update

How we've used feedback from the Rivet Beta to make some big enhancements, which feed back into the open source Ether Cattle Initiative.

rivet

16 Jul 2019

Rivet.cloud: Now In Beta

OpenRelay is proud to announce the beta of Rivet.cloud - A cloud hosted service offering Ethereum RPC APIs based on the open source Ether Cattle Initiative.

rivet

security

13 Jul 2019

New 0x Exchange Addresses

The 0x team recently became aware of a potential exploit, and has replaced the 0x exchange contracts. OpenRelay has updated to the new contracts.

0x openrelay

10 Jun 2019

Ether Cattle - Operationally Manageable Ethereum Clients

OpenRelay has built a set of tools for managing Ethereum infrastructure at scale, and we're announcing a new service

ethercattle geth rivet

16 Apr 2019

Websockets

OpenRelay now supports the Websockets component of the 0x Standard Relayer API

openrelay sra 0x

26 Feb 2019

EtherCattle Initiative: Request for Testers

OpenRelay needs your help testing a new kind of Ethereum client

ethercattle geth

misc

25 Feb 2019

ETHDenver 2019: Crypto Cattle

The OpenRelay team went to ETH Denver last weekend and built a game to showcase OpenRelay's ERC721 capabilities.

ethdenver openrelay cryptocattle erc721

dev

15 Feb 2019

Free ETHDenver Pool On OpenRelay

OpenRelay has launched a free pool for ETHDenver

ethdenver pools openrelay

14 Feb 2019

A Look at 0x Fee Structures

There are a variety of ways for application developers to collect fees on 0x. We'll take a look at some of the options.

0x fees

misc

06 Feb 2019

A Bunch of Hacks: Join Our Team at ETHDenver?

OpenRelay is looking for the fourth member of our ETHDenver Hackathon team! Are you an ETHDenver-bound frontend developer who needs a team? Hit us up!

ethdenver

misc

02 Feb 2019

Analyzing The Blockchain with OpenRelay Lens

OpenRelay deals with a lot of data on the blockchain. We want to make that data available to you.

data erc20

policy

23 Jan 2019

Digital Assets, the SEC, and The Pecora Report

The SEC has been around for a long time, faithfully executing its mission to protect investors from fraudulent securities offerings. But the means they've traditionally employed just don't make sense for digital assets. Learn why in this post.

securities compliance

16 Jan 2019

Introducing Pools

Pools - A new OpenRelay feature with many uses

pools openrelay

policy

08 Jan 2019

Black-Grey-Green: OpenRelay's Token Vetting Paradigm

We’ve already implemented an updated Terms of Use mechanism that requires Makers to sign before their account is permitted to create orders. Our next step is to begin an exhaustive process of *Howey*-testing to classify tokens according to a three-class color-coded paradigm. Read on to learn how it will work.

securities compliance

xyz

02 Jan 2019

V0 Endpoint Deprecation Accelerated Timeline

Previously we laid out a deprecation timeline for our v0 endpoint. Following the Embiggen Airdrop, the v0 orderbook is empty, so the v0 endpoint will be deprecated on an accelerated schedule.

openrelay deprecation

xyz

29 Dec 2018

Embiggen: The End of an Airdrop

The Embiggen Airdrop is coming to a close!

mbgn airdrop

policy

14 Dec 2018

New Terms of Use

OpenRelay has a new Terms of Use which must be signed to submit orders.

compliance

xyz

20 Nov 2018

V0 Endpoint Deprecation Timeline

Over the next couple of months, OpenRelay will end support for 0x v1 and our /v0/ endpoints

openrelay deprecation

policy

12 Nov 2018

OpenRelay and Securities

Recent SEC announcements have cast legal shadows on decentralized trading technologies. Here's what OpenRelay is doing to stay on the right side of the law.

securities compliance

policy

31 Oct 2018

Think Instrument: Tokens Aren't Just Securities

If you think of a token as an instrument, then it isn't a forgone conclusion that the natural home of token commerce is on an exchange.

tokens vision philosophy economics

security

11 Oct 2018

Gaslighting DEXes For Fun & Profit

While decentralized exchanges help eliminate certain types of trust issues, they introduce some brand new ones.

security 0x

misc

25 Sep 2018

September Update

This month OpenRelay has had a lot going on - here's an update.

openrelay nalit widgets ethercattle

29 Aug 2018

Standard Relayer API v2 Compliance

OpenRelay now implements Version 2 of the Standard Relayer API

openrelay sra 0x

misc

27 Aug 2018

ERC721 Support on Kovan

OpenRelay now supports ERC721 for 0x v2

erc721 0x

dev

09 Aug 2018

Screenside Chats - Now On YouTube

OpenRelay is now on YouTube!

screensidechats

xyz

30 Jul 2018

Announcing the OpenRelay.xyz Affiliates Program

OpenRelay.xyz now has a formalized affiliates program. Sign up today!

affiliates

xyz

16 Jul 2018

Announcing Support for 0x v2 On Kovan

OpenRelay now supports version 2 of the 0x exchange contracts on Kovan.

openrelay 0x

misc

30 Jun 2018

OpenRelay moves from Alpha to Beta

OpenRelay has moved from Alpha to Beta. Here's what that means.

openrelay xyz

misc

23 Jun 2018

Introducing Fling

We built a tool for flinging ERC20 tokens and ETH to lots of addresses in one transaction.

fling tokens

dev

12 Jun 2018

Embiggen Airdrop: Pruning an Order Book With 27 Million Orders

For the Embiggen Airdrop, we loaded OpenRelay's order book with 27 million orders. How do we prune an order book at that scale?

mbgn openrelay

dev

09 Jun 2018

Embiggen Airdrop: Ingesting 27 Million Orders

Pumping 27 Million Orders into OpenRelay was tricky business. Here's how we did it.

mbgn openrelay massive

dev

07 Jun 2018

Embiggen Airdrop: Creating 27 Million Orders

For the Embiggen Airdrop, we created one 0x Order for each of the 27 million addresses that existed in Early May of 2018. Here's how we did it.

mbgn airdrop massive

dev

04 Jun 2018

Embiggen Airdrop: NotCoin

NotCoin is the trick that made Embiggen's 0x-based Airdrop Possible. Here's how it works.

mbgn notcoin airdrop

xyz

03 Jun 2018

Embiggen Airdrop

Help OpenRelay test our backend by claiming your free Embiggen at get.embiggen.me

mbgn airdrop

security

08 May 2018

A Word on Back Doors In Encryption

Once again, people are talking about putting back doors in encryption. Here's why it's a bad idea.

encryption

xyz

05 May 2018

Endpoint Deprecation Notice

On May 13th the /v0.0 Endpoint for OpenRelay.xyz will be disabled

openrelay deprecation

dev

28 Apr 2018

Introducing Massive

Massive is a command line toolkit from OpenRelay for manipulating 0x orders in bulk

massive openrelay 0x

misc

15 Mar 2018

Embiggen

Introducing MBGN: The embiggening ERC20 Token.

mbgn tokens

misc

07 Mar 2018

Using Smart Contracts to Make Digital Assets More Accessible

One of the biggest challenges facing the blockchain ecosystem is the vital importance of keeping account keys safe. If your keys are lost or compromised, you lose everything. But it doesn't have to be that way.

keysplit

dev

21 Feb 2018

KeySplit Architecture & Security

At the ETH Denver hackathon, Austin spent a weekend working on KeySplit. Here he delves into its architecture and security.

keysplit ethdenver

misc

20 Feb 2018

ETH Denver Update

Austin went to ETH Denver representing OpenRelay. This is some of what came out of it.

ethdenver

security

11 Feb 2018

Privacy and Web3

If you're reading this with a web3 plugin installed, it's already too late. Your web3 client is telling us way more about you than you probably want us to know. We already know whether you're using web3, and if your account is unlocked we know your Ethereum address.

privacy

misc

15 Jan 2018

New Order Book Engine, Testnet Support & More

At launch, OpenRelay used DynamoDB as a storage engine for the order book. We're making the switch to a PostgreSQL backed orderbook, and we've also added support for the Ropsten tesetnet.

openrelay

security

26 Dec 2017