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yuichiro aoki
yuichiro aoki

1K Followers

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Published in

Coinmonks

·Jul 13

How Uniswap Auto Router Works

Library to get the best route on uniswap used in production — Uniswap Auto Router gives you the best route on uniswap by splitting the trade. It is used in production and basically you input the tokens to trade and the amount, it will tell you the best route, quote, gas adjusted quote, etc. I’m just curious how it made possible to…

Blockchain

4 min read

How Uniswap Auto Router Works
How Uniswap Auto Router Works
Blockchain

4 min read


Jul 11

Liquidity Backrun — MEV analysis

How searchers make money by backrunning adding liquidity events — Arbitrage MEV bots watch the swap transactions to see if there is any opportunities to backrun for the most part, but sometimes they make money by backrunning liquidity related transactions like `addLiquidity` from Uniswap V2 protocol. Code Here are the transactions. Trigger transaction Arbitrum Transaction Hash (Txhash) Details | Arbiscan Arbitrum (ETH) detailed transaction info for txhash 0x795114e6f654bd61649c3aa83d698b7add2340a7940f466ed4ec1bfb873d9d95…arbiscan.io

Blockchain

3 min read

Liquidity Backrun — MEV analysis
Liquidity Backrun — MEV analysis
Blockchain

3 min read


Jun 30

The Idea to Make MEV to Positive-sum Game

With a real-world example — Summary Mev is a zero-sum or perhaps a negative-sum game People lose money on a single swap and let MEV searchers make money If individual users make a perfect swap, the net result will be greater than the current situation MEV is a zero-sum game You can tell who are the winners and losers on MEV…

Blockchain

4 min read

The Idea to Make MEV to Positive-sum Game
The Idea to Make MEV to Positive-sum Game
Blockchain

4 min read


Jun 27

How to Verify the Ownership of Your Ethereum Wallet

I was just looking at these verified signatures on Etherscan the other day. My first thought was that why would anyone want to show off their signatures? One of the reasons could be that they want to prove that they are the owner of the wallet. Let’s take a look…

Ethereum

2 min read

How to Verify the Ownership of Your Ethereum Wallet
How to Verify the Ownership of Your Ethereum Wallet
Ethereum

2 min read


Published in

Coinmonks

·Oct 23, 2022

Aave V2 Liquidation Example

Example code for a liquidation strategy on Aave V2 Ethereum Mainnet using foundry — The tutorial repo is here. Foundry Foundry is a smart contract development tool like Hardhat, Truffle, etc. It’s known for fast compilation/testing time and probably because it’s written in Rust while Hardhat is in Typescript. …

Blockchain

3 min read

Aave V2 Liquidation Example
Aave V2 Liquidation Example
Blockchain

3 min read


Oct 18, 2022

Flashloan with Balancer V2

You can borrow tokens with zero fee on Balancer V2! — Summary Flashloan fee on Balancer V2 is 0.0%. Easy to use Able to borrow a huge amount of tokens Many kinds of tokens Balancer V2 Flashloan Balancer V2 might be the best for many mev bot operators in every aspect. This is like a protocol both Aave and Dodo are combined to but only…

Blockchain

2 min read

Flashloan with Balancer V2
Flashloan with Balancer V2
Blockchain

2 min read


Published in

Coinmonks

·Aug 16, 2022

How the Oracle Manipulation Attack Happened to Inverse Finance

Let’s reproduce the attack on the Ethereum mainnet fork with hardhat! — Today I’m going to demonstrate how I reproduced the inverse finance attacker’s code (not the actual one) so you can understand the whole process better. You can execute almost the same transaction as the attacker did on Ethereum mainnet fork with hardhat. Motive I’m just curious about oracle attacks and wanted…

Blockchain

6 min read

How the Oracle Manipulation Attack Happened to Inverse Finance
How the Oracle Manipulation Attack Happened to Inverse Finance
Blockchain

6 min read


Published in

Coinmonks

·Jun 19, 2022

Flashloan with Aave V3

You can borrow millions of token with 0.05% fee on Aave V3 ! Summary Flashloan fee on Aave V3 is 0.05%. Easy to use You can borrow multiple tokens at the same time Able to borrow a huge amount of tokens Aave V3 Flashloan Anyone can borrow tokens with Aave V3 pool contract as…

Blockchain

3 min read

Flashloan with Aave V3
Flashloan with Aave V3
Blockchain

3 min read


Published in

Coinmonks

·May 27, 2022

How I Run a Polygon Node for Flashloan Bots

Use as little SSD as possible to save money — Summary It takes at least 8 hours to set up a polygon node. Cost of running a node is $470/month. Use the pruned Bor snapshot to save money. As I talked about in the previous story, I have been running a polygon node for 2 months for arbitrage flashloan trades. It…

Blockchain

5 min read

How I Run a Polygon Node for Flashloan Bots
How I Run a Polygon Node for Flashloan Bots
Blockchain

5 min read


Published in

Coinmonks

·May 20, 2022

Pros and Cons of Running a Polygon Node as an Arbitrage Trader

Thoughts on running a polygon node after 2 months — Summary Running your polygon node gives you much faster responses, no rate limits, and unlimited number of requests. Cost of running a node is $470/month. It’s possible to make profits without running a node. I’ve been doing some flashloan arbitrage trades for the last four months, the first 2 months using…

Blockchain

4 min read

Pros and Cons of Running a Polygon Node as an Arbitrage Trader
Pros and Cons of Running a Polygon Node as an Arbitrage Trader
Blockchain

4 min read

yuichiro aoki

yuichiro aoki

1K Followers

Ethereum Enthusiast & Software Developer

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