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Sam Priestley

Hello and welcome! I am a professional gambler and entrepreneur. My current work is in arbitrage and generating yield on Ethereum. 

On this site you will find how-to guides, opinion pieces and my in-depth business journals.

Latest Posts:

MEV And The Evolution Of Frontrunning On Ethereum

MEV And The Evolution Of Frontrunning On Ethereum

The financial game Half-Rekt (NME) is a very interesting study for anyone interested in arbitrage or front running in the dark forest of Ethereum. It was structured in a way that we can watch the entire evolution in just one day. Every hour there was a simple function...

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My Monthly Report – October 2020

My Monthly Report – October 2020

Another two months since my last report and a lot has changed once again. September was the most profitable month of my life as the Defi craze continued and I got better and better at taking advantage of it. But with overwork came some burnout both from my business...

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The $15m Eminence Defi Attack Explained

The $15m Eminence Defi Attack Explained

Early morning on Tuesday 29 September an arber/hacker found an exploit with the brand new Eminence (EMN) system that allowed them to do a flash loan and arb out $15m profit. In this post, I will go over exactly how they did it. The arb was split over three identical...

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My Monthly Report – August 2020

My Monthly Report – August 2020

Another two months since my last report and perhaps the two busiest and most profitable months in my life. Which on the flipside is why this site has been sadly neglected. When lockdown started I went on a search for new opportunities and landed on trying to replicate...

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How Crypto Flashloans & Flashswaps Work

How Crypto Flashloans & Flashswaps Work

The coolest innovation in the past year in crypto and defi are flash loans. Flash loans allow you to borrow money with no collateral provided you pay it back in the same transaction. In this post I will explain what flash loans are, how they work and what they are...

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My Monthly Report – June 2020

My Monthly Report – June 2020

It has been another two months since my last report and a lot of time has happened since then. The virus is still ongoing but the initial adrenaline and the fear of complete societal collapse have mostly worn off (touch wood). But the lessons learned and the decisions...

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My Monthly Report – April 2020

My Monthly Report – April 2020

On an excellent podcast between Loius Theroux and Jon Ronson, Jon said something that really resonated with me. He sums it up in this tweet: https://twitter.com/jonronson/status/1238478402342080512?s=20 I have been worrying about all sorts of unknown things for years...

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