Category

Ethereum

> There’s a long history of nationalization to prove that after governments (IMO the most likely…

> There’s a long history of nationalization to prove that after governments (IMO the most likely attacker) take over, operational efficiency tends to drop strongly. One study estimates that oil mining companies see their profitability drop by over 50% post… Continue Reading →

> This statement is misleading, because he is really only talking about what a 51% attacker could…

> This statement is misleading, because he is really only talking about what a 51% attacker could do to the very last blocks in the blockchain. No, I’m talking about what a 51% attacker can do to *any* block in… Continue Reading →

Roundup Q2

Thanks to all the developers and team leads who contributed to the sections on their projects In the last month and a half, the Ethereum network went through a rapid growth in usage, to the point that it now processes… Continue Reading →

When I see voting games I usually analyze (i) 51% attacks and (ii) bribe attacks. Looking here:

When I see voting games I usually analyze (i) 51% attacks and (ii) bribe attacks. Looking here: A malicious buyer 51% attacks to force a refund. Then, if everyone recognizes the refund was malicious, the developers can just do another sale. A… Continue Reading →

This doesn’t seem as ironclad as it sounds.

This doesn’t seem as ironclad as it sounds. It seems entirely possible that there would exist paths from you to _any_ possible recipient going through _any_ of your channels. Any sufficiently well-connected graph has this property.

I don’t think you actually solved the trilemma; it seems like you unwittingly chose the…

I don’t think you actually solved the trilemma; it seems like you unwittingly chose the “inefficiency” side, except it didn’t hit that hard because the markets were smaller back then. Specifically: > and a promise to burn the unsold tokens This… Continue Reading →

Minimal Slashing Conditions

Last week Yoichi released a blog post detailing the process of formally proving safety and liveness properties of my “minimal slashing… Continue reading on Medium »

Roundup Round III

Over the last month and a half we saw vigorous ongoing research and development on all sides of the Ethereum roadmap, and progress is rapidly starting to translate into real results that can be run and verified inside of an… Continue Reading →

Safety Under Dynamic Validator Sets

Traditional consensus algorithms, whether they operate in a synchronous, partially asynchronous or fully asynchronous network model, and… Continue reading on Medium »

Solidity optimizer bug

A bug in the Solidity optimizer was reported through the Ethereum Foundation Bounty program, by Christoph Jentzsch. This bug is patched as of 2017-05-03, with the release of Solidity 0.4.11. Background The bug in question concerned how the optimizer optimizes… Continue Reading →

> We recommend updating all default metrics from circulating supply to total supply.

> We recommend updating all default metrics from circulating supply to total supply. This completely ignores why the default was changed to circulating supply in the first place. Market cap is often used in practice as a way of comparing which… Continue Reading →

The easiest thing is for the malicious party with 34% to simply go offline.

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The 2/3 requirement is important, as plausible liveness also needs to work in situations where ≤ 1…

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Thanks for the comment! Added in a paragraph explaining what the message types mean.

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Ethereum Dev Roundup: Q1 (Boring Edition)

The last one and a half months have seen great progress for Ethereum research, and we are excited that the protocol is moving closer and closer to the point where it is ready for mainstream adoption. Progress on consensus algorithms,… Continue Reading →

Ethereum R&D Roundup: Valentine’s Day Edition

During the last month and a half, the Ethereum core development and research teams have been building upon the progress made in the last year, and with the specter of last year’s security issues now well behind us, work has… Continue Reading →

Zk-SNARKs: Under the Hood

This is the third part of a series of articles explaining how the technology behind zk-SNARKs works; the previous articles on quadratic… Continue reading on Medium »

The Meaning of Decentralization

“Decentralization” is one of the words that is used in the cryptoeconomics space the most frequently, and is often even viewed as a… Continue reading on Medium »

If you’re that worried, quantum-resistant succinct general-purpose zero knowledge proofs do exist.

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Ethereum Dev Roundup: Q1

The last one and a half months have seen great progress for Ethereum research, and we are excited that the protocol is moving closer and closer to the point where it is ready for mainstream adoption. Progress on consensus algorithms,… Continue Reading →

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