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Alex Manuskin
Alex Manuskin

392 Followers

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Aug 30, 2022

Paradigm-CTF Cairo Solutions

Paradigm CTF was a blast. Unlike last year, when challenges were mostly focused on Solidity and the EVM, this year introduced challenges in two new ecosystems. Solana/Rust, and StarkNet/Cairo. This write-up will focus on the solutions to the Cairo challenges. The code for setting up the environment, as well as…

Starknet

7 min read

Paradigm-CTF Cairo Solutions
Paradigm-CTF Cairo Solutions
Starknet

7 min read


Jul 16, 2021

Frontrunning a Scammer

A rather regular afternoon was interrupted by a message in the flashbots discord. I sometimes check out messages there and see if someone needs help recovering funds. This time the message seemed quite urgent. The victim was losing tens of thousands of dollars by the minute. …

Ethereum

14 min read

Frontrunning a Scammer
Frontrunning a Scammer
Ethereum

14 min read


Published in ZenGo

·Dec 29, 2020

Ethology: A Safari Tour in Ethereum’s Dark Forest

Ethereum dark forest monsters are no joke. These frontrunning bots can analyze smart contract calls and functions they have never used before in smart contracts they’ve never seen to extract potential profits. To better understand these bots, we set out on a safari tour to shed more light on the…

Ethereum

12 min read

Ethology: A Safari Tour in Ethereum’s Dark Forest
Ethology: A Safari Tour in Ethereum’s Dark Forest
Ethereum

12 min read


Published in ZenGo

·Oct 29, 2020

Intro to DeFi Lending Protocols

TL;DR; DeFi lending protocols power many of today’s yield farming ventures and are considered a relatively safe and tested way to make extra income on crypto-assets. With interest in these protocols on the rise, we thought it’s an excellent time to provide a more detailed write up to help people…

Defi

10 min read

Intro to DeFi Lending Protocols
Intro to DeFi Lending Protocols
Defi

10 min read


Published in ZenGo

·Oct 8, 2020

UniCats Go Phishing

In a recent tweet that gained some popularity, we described the curious tale of Jhon Doe [sic]. …

Ethereum

9 min read

UniCats Go Phishing
UniCats Go Phishing
Ethereum

9 min read


Published in ZenGo

·Sep 27, 2020

Dune Analytics introduction tutorial (with examples)

Dune Analytics is a powerful tool for blockchain research. It can be used to query, extract, and visualize vast amounts of data on the Ethereum blockchain. This post goes over some basic examples of how to search and write basic queries as well as visualize them with graphs. The opportunities…

Ethereum

13 min read

Dune Analytics introduction tutorial (with examples)
Dune Analytics introduction tutorial (with examples)
Ethereum

13 min read


Published in ZenGo

·Sep 24, 2020

Staring Into the Monster’s Eye: Analyzing a Generalized Front-running Arbitrage Bot Attack

TL;DR: As it turns out, “general front-running arbitrage bots” that can steal earning opportunities on the Ethereum blockchain, which were only thought to be theoretically possible, are indeed very real. The existence of such bots proves once more that arbitrage trading is a game for professionals, not amateurs. By Alex…

Ethereum

5 min read

Staring Into the Monster’s Eye: Analyzing a Generalized Front-running Arbitrage Bot Attack
Staring Into the Monster’s Eye: Analyzing a Generalized Front-running Arbitrage Bot Attack
Ethereum

5 min read


Jul 22, 2020

The fastest draw on the Blockchain: Ethereum Backrunning

Decentralized finances create an interesting dynamic of auctions. Arbitrage and liquidation opportunities are examples of auctions where the first player to make the bid can make a healthy profit. This creates a race where multiple bots spam the transaction pool, competing for a good spot in the block. It is…

Ethereum

14 min read

The fastest draw on the Blockchain: Ethereum Backrunning
The fastest draw on the Blockchain: Ethereum Backrunning
Ethereum

14 min read


Jun 27, 2020

An extensive guide to optimizing a Linux laptop for battery life and performance

Optimization is fun. When it comes to laptops, one of those things you can never have too much of is battery life. Although modern Linux distributions are doing a great job improving on this aspect, using some well known and some less known tools, battery life and performance can be…

Linux

13 min read

An extensive guide to optimizing a Linux laptop for battery life and performance
An extensive guide to optimizing a Linux laptop for battery life and performance
Linux

13 min read


Published in ZenGo

·Jun 11, 2020

How to lose $2.5M, twice

As part of our ongoing research on blockchains, we were able to spot some highly abnormal Ethereum transactions (Tx) early on. We’re referring to two recent transactions that led to millions of dollars in network fees being paid unnecessarily, instead of standard fees, that are usually less than $1. …

Ethereum

3 min read

How to lose $2.5M, twice
How to lose $2.5M, twice
Ethereum

3 min read

Alex Manuskin

Alex Manuskin

392 Followers

Open source | Blockchain | Making cool things work

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