Month: January 2024

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CoinDesk Podcast Network - UNCHAINED: The Black Swan Event That Could Cause a Fork in Ethereum (Again)

The huge risks of a bug occurring to an Ethereum “supermajority” execution client were laid bare this week.


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This week a major potential risk to Ethereum was highlighted by a bug that surfaced in Nethermind, a minority execution client. While the bug was fixed quickly, it raised the question of what would happen to the blockchain if Geth, which is used by more than two-thirds of validators and so is considered a “supermajority client,” had a bug. The situation could potentially result in a catastrophic fork of Ethereum. 

Ethereum developer Lefteris Karapetsas joined Unchained to discuss the different scenarios of what could happen, the potential impact of a supermajority client issue on staking services such as Lido, why he feels the incentive system is poorly designed, and what other solutions are out there to address the lack of client diversity. 

Show highlights | 

  • What a consensus issue is in Ethereum and what happened with Nethermind last weekend
  • Why it would be a big problem if a supermajority client had a bug
  • The potential impact on staking services such as Lido
  • Why Lefteris feels like he is reliving the historic Ethereum DAO hack all over again
  • Whether the largest entities running nodes will start pursuing client diversity
  • How the data on the prevalence of specific Ethereum execution clients is not verifiable or programmatic, making it less transparent and difficult to analyze
  • Why Lefteris believes that the incentive system is not designed to achieve client diversity
  • Whether there are developments in the works to try to solve the lack of client diversity 


Thank you to our sponsors!  Popcorn Network  | iTrustCapital

Guest  | 

Lefteris Karapetsas, Founder of Rotkiapp

Previous appearance on Unchained: Is Code Law? Should the Hacker Be Punished? The DAO Creators Disagree

Links | 

Unchained: 

Most Ethereum Staking Pools Are Using Just One Execution Client, Potentially Increasing Risks to the Network

The Chopping Block: Data Availability & Why It’s Important

CoinDesk: Bug That Took Down 8% of Ethereum's Validators Sparks Worries About Even Bigger Outage

The Defiant: Ethereum Software Client Centralization Sparks Concern

Crypto.news: Nethermind rolls out urgent fix for block processing bug in Ethereum client

Lukasz Rosmej’s tweet that minority client Nethermind had a consensus issue

Lefteris’ tweet on a supermajority Ethereum client bug 

Coinbase’s Brian Armstrong’s tweet on what he’d do in a censorship resistance request scenario

Run the majority client at your own peril! by Dankrad Feist

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Unchained Podcast is Produced by Laura Shin Media, LLC.  Distributed by CoinDesk. Senior Producer is Michele Musso and Executive Producer is Jared Schwartz. 

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CoinDesk Podcast Network - MARKETS DAILY: CoinDesk Markets Index Week in Review

CoinDesk Indices presents notable data insights from the week, followed by additional analysis from an industry expert.

To get the show every day, follow the podcast here.

The CoinDesk Market Index (CMI) functions as a benchmark for the performance of the digital asset market, delivering institutional quality information to digital asset investors. Subsets of the CoinDesk Market Index (CMI) are investible CoinDesk Crypto Sectors and the CoinDesk 20 Index, designed to measure the performance of the top digital assets. Today’s takeaways are provided by Pallavi Chintam and Max Good of CoinDesk Indices with additional analysis from Kelly Ye, head of research at Decentral Park Capital. For more on CoinDesk Indices, visit: coindeskmarkets.com.

This episode was hosted by Jennifer Sanasie. “Markets Daily” is executive produced by Jared Schwartz and produced and edited by Eleanor Pahl, alongside Senior Booking Producer Melissa Montañez. All original music by Doc Blust and Colin Mealey.

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CBS News Roundup - The Case of Brittany Watts

In the “Kaleidoscope with Allison Keyes” segment this week, a discussion about the case of Brittany Watts, the Black Ohio woman charged with a felony after having a miscarriage at home. She was ultimately not indicted, but her case raises huge questions about the risks for women in similar circumstances. Allison has an extended interview with her lawyer, Traci Timko, about the particulars of what happened, and what it means for health care, law enforcement, and what could happen to other women suffering a common medical issue in this post Roe v. Wade nation.

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CoinDesk Podcast Network - THE MINING POD: Are You Ready for the Bitcoin Halving, Anon?

Will, Charlie and Matt talk about the Bitcoin mining halving, Swan getting into the mining game and Core Scientific exiting Chapter 11 bankruptcy.

Follow along on your favorite podcast player of choice by clicking here.

Will and crew go through the top stories in Bitcoin and Bitcoin mining, including data on the upcoming Bitcoin halving, Swan announcing its 4.5 EH/s mining operation and Core Scientific re-listing on the Nasdaq. Charlie also gives us an overview of what’s happening in the Ordinals ecosystem this week!

Published twice weekly, "The Mining Pod" interviews the best builders and operators in the Bitcoin and Bitcoin mining landscape. Subscribe to get notifications when we publish interviews Tuesday and a news show on Friday! 

Check out our other shows and content by going to Blockspace.media today.

Follow our host on Twitter, @wsfoxley.

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"The Mining Pod" is produced by Sunnyside Honey LLC and distributed by CoinDesk. Senior Producer is Damien Somerset.

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The Commentary Magazine Podcast - Trying to Stop the Game

Today's podcast discusses all the efforts to end things in DC—negotiations over border legislation, the Nikki Haley campaign, the process by which the Republican Party functions—and why everybody who's working to stop things might be acting in a short-sighted and self-destructive manner. Give a listen.

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Reset with Sasha-Ann Simons - The Future Of Rogers Park’s Roman Susan Up In The Air

Art space and gallery Roman Susan in Rogers Park has a new landlord. Loyola University purchased the building it occupies along with other businesses and residential tenants. As Roman Susan’s lease comes to an end next year, the future of the community art space is uncertain. To learn more about it and its impact in Rogers Park, Reset spoke with Roman Susan executive director Kristin Abhalter Smith and managing director Nathan Abhalter Smith. Check out the rest of our interviews and conversations at wbez.org/reset.
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NPR's Book of the Day - ‘Black Sheep’ and ‘This Wretched Valley’ use horror to question morality

It's never too early for spooky season. Today, we've got two horror books that explore relationships, cynicism and arrogance. First, NPR's Ayesha Rascoe speaks with Rachel Harrison about Black Sheep, which follows a disillusioned protagonist grappling with religious fanaticism and family ties when she returns to the Satanic community she was raised in. Then, Jenny Kiefer discusses her novel This Wretched Valley, which takes inspiration from the Dyatlov Pass Incident to put an influencer and Ph.D. students at odds with nature.

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Up First from NPR - ICJ Ruling, Border Deal Falling Apart, Biden Administration LNG Pause

The UN's top court will deliver its interim ruling on the genocide charges brought against Israel by South Africa. Campaign politics is putting a bipartisan Senate border deal in limbo as former President Donald Trump urges Republican lawmakers to reject it. And, The Biden Administration is pausing approval of new natural gas export facilities as it weighs their impact on climate change.

Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe to the Up First newsletter.

Today's episode of Up First was edited by Kelsey Snell, Sadie Babits, Ally Schweitzer and Mohamad ElBardicy.
It was produced by Ziad Buchh, Ben Abrams and Kaity Kline.
We get engineering support from Stacey Abbott and our technical director is Zac Coleman.

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