APIS Pay: Chatbot Wallet & Crypto Payments

A blockchain + chatbot-UI based mobile crypto payment system where I owned strategy/architecture and contributed to wallet & payment system development end-to-end.

Project Overview

APIS Pay provided a mobile cryptocurrency payment experience through a chatbot-style UI, requiring careful wallet/payment architecture and solid operational reliability.

My Role

  • Project strategy
  • Software architect
  • Wallet & payment system development

Timeline

  • Jan 2019 - Jan 2021

Key Contributions

  • Defined the product and technical direction (requirements, UX constraints, system boundaries)
  • Designed core architecture for wallet and payments
  • Implemented key parts of the wallet/payment system and supported delivery execution

Tech Stack (High-Level)

  • Blockchain: Ethereum-based components
  • Product: chatbot UI + mobile payment flows

Technologies: Ethereum, Wallet Systems, Payments, Architecture, Product Strategy

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About Haryun

Blockchain Enthusiast and Software engineer.

Seoul, South Korea https://haryun.io