Projects

Since Feburuary 2021, I've developed a comprehensive portfolio of projects, most of which remain private due to their potential for revenue generation. These projects showcase my capabilities and can be adapted to meet the specific needs of clients who engage my services. I leverage this portfolio as a reference point during client consultations to demonstrate how my expertise can address their unique requirements.

Fullstack

TORMO

•Build time : 4 months
•Contract(s) : 3
•Tested : True
•Repo(s) : Private

TORMO is a product developed by Passkeys, designed specifically for 株式会社PBADAO. It utilizes ERC4337 account abstraction to streamline the process of creating a crypto wallet for users. With Passkeys, users can seamlessly generate a crypto wallet without the need to manage any private keys, thanks to the innovative features of ERC4337.

721 Ether Plants

•Build time : 1 months
•Contract(s) : 3
•Tested : True
•Repo(s) : Private

721 Ether Plants is a NFT collection of full on-chain NFTs planted in the ether. The plants can be watered (send tx by NFT owner) once a week and will grow each time they are watered. They'll become mature after being watered 10 times. This is a experimental project playing with timestamp manipulation on ethereum chain.

Neo Tokyo Punks

•Build time : 3 months
•Contract(s) : 1
•Tested : True
•Repo(s) : Private

I played a pivotal role in the Neo Tokyo Punks NFT project, particularly in developing the NFT smart contracts, minting dapps and contribution of project deliver. One of the standout features of these contracts was the implementation of a merkle tree whitelist, which was likely the first of its kind to be utilized in a Japanese NFT project for whitelist sales.

Solidity

ERC20 launchpad

•Build time : 5 hours
•Contract(s) : 1
•Tested : True
•Repo(s) : Private

The ERC20 launchpad I developed is tailored for individuals seeking to create customized ERC20 tokens quickly and effortlessly. Users have the flexibility to specify parameters such as maximum supply, minimum supply required to hold, as well as the token's name and symbol. This streamlined process empowers users to generate their ERC20 tokens with ease, enabling them to bring their unique projects to life in the crypto space.

NFT & ERC20 airdropper

•Build time : 1 hour
•Contract(s) : 1
•Tested : True
•Repo(s) : Private

A simple smart contract that enables NFT creators to create an airdrop contract that allows anyone that owns token ids.

NFT Marketplace

•Build time : 5 days
•Contract(s) : 1
•Tested : False
•Repo(s) : Private

Sell and buy bundles of NFTs, sell or buy instantly on the floor prices.

NFT peer to peer exchange

•Build time : 10 days
•Contract(s) : 1
•Tested : False
•Repo(s) : Private

A peer-to-peer exchange for ERC721 NFTs where users can list their NFTs and specify which NFTs they want to trade for.

NFT Staking & Yield ERC20 as reward

•Build time : 3 days
•Contract(s) : 2
•Tested : True
•Repo(s) : Private

A platform where users can stake their NFTs and earn custom ERC20 tokens as rewards.

Others

NFT Minting Bot

•Build time : 5 hours
•Repo(s) : Private

This system is designed to generate over 100 new public and private key pairs to overcome address limitations for minting on certain contracts.

Metadata uploadpad

•Build time : 3 hours
•Repo(s) : Private

A simple app where users can upload images and other metadata for ERC721 or ERC1155 tokens to IPFS, or choose another server if they prefer.

Merkle Tree generator

•Build time : 5 days
•Contract(s) : 1
•Tested : True
•Repo(s) : Private

A practical generator that creates a merkle tree, supporting multiple data types for the initial hash, such as addresses for a whitelist. It uses efficient keccak256 hashing, similar to openzeppelin’s MerkleProof.sol, and can be used for any whitelist or restrictive blockchain action. Just import your JSON file of values, and it will produce a JSON output file for easy frontend integration.