Tatum Ecosystem
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DeveloperSelf-service · Walrus

Pugar Huda Mantoro

Software Engineer specializing in full-stack development, AI automation, and blockchain infrastructure. I build production-ready web apps, developer tools, and smart contract systems on Sui, Ethereum and other chains, with Walrus storage and Tatum infrastructure. 18 international hackathon awards in 2026, including 3 first places, 5 second places, and Best Walrus Integration at the Tatum x Sui hackathon. Currently a full-time Software Engineer at SmartID (remote).

Skills

  • TypeScript
  • JavaScript
  • Python
  • Solidity
  • Move
  • Rust
  • PHP
  • Node.js
  • Express.js
  • React
  • Next.js
  • Astro.js
  • Laravel
  • Sui
  • Walrus
  • Tatum
  • Ethereum
  • Solana
  • Foundry
  • Hardhat
  • Wagmi
  • Supabase
  • PostgreSQL
  • MySQL
  • MongoDB
  • REST API
  • MCP
  • AI agents
  • n8n
  • Playwright
  • Claude Code

Portfolio

  • Invoice Chaser

    USDC invoicing for freelancers that learns how each client pays. Every payment habit is stored in Walrus Memory, re-verified on Sui through Tatum gRPC, and used to plan per-client reminders that cite their evidence. Includes pay links, x402/MPP agent payments, gasless USDC, recurring invoices and an MCP server. Entry for Total Recall (Tatum x Walrus Memory), Track 03.

  • Sealed Pair

    Privacy-preserving OTC trading on Sui: encrypted quote negotiation stored on Walrus, Move escrow, and atomic PTB settlement via Tatum RPC. Winner of Best Walrus Integration at the Tatum x Build on Sui with Walrus hackathon.

Powered byWalrusTatumOn-Chain Storage

Walrus provenance

Self-service profile. EVM controller; blob stored via Tatum. Only this address can publish updates.

EVM address
0x314c56a3876536a58b87bbd63e0515f8295c8637
Content hash
89597849e732beb227940cf14b41117d8f0d6900eb75d55351e55c3b10c216a2
Blob ID
9w2NjY56-7qY7C_e8VA4z6dGaA618oMH6bd8f-52kcc