Proof of Work

Projects

Systems designed and shipped. Every entry includes the problem, architecture decisions, and what I'd do differently.

Wallet & Custody

NCW, Fireblocks, BitGo, ERC-4337

Chains & Infrastructure

OP Stack, Fabric, custom EVM, bridge systems

AI Systems

Agent workflows, local LLMs, ranking and orchestration

Browse by category

All Work

Full project archive across delivery contexts.

In view20projects

Wallet Systems

Project Atlas, Project Tiger, Project Orbit, Fireblocks vs BitGo

A through-line across non-custodial wallets, custody choices, key-management UX, and production transaction orchestration.

Infrastructure

Project Ember, VeriOnce, Fabric–Polygon, NCOG Earth Chain

L2 operations, Fabric architectures, cross-chain verification, and the trade-offs behind custom or specialised blockchain infrastructure.

AI Delivery

RoomQuery, Project Beacon, PrivateGPT, AI Social Media Agent

Applied AI systems focused on ranking, retrieval, orchestration, and practical workflow leverage instead of generic demo-layer novelty.

2026-01-15

AI Social Media Post Agent

Autonomous agent that monitors industry trends, messages the founder on Telegram for approval, drafts LinkedIn posts in the founder's voice, and publishes on confirmation. Built with Claude API.

PythonClaude APITelegram Bot APILinkedIn APILangChain

2026-01-10

Fireblocks vs BitGo: Custody Platform Evaluation

Ethereum, Bitcoin, Polygon

Real cost analysis and architecture comparison for a multi-asset presale platform. BitGo at $23K/yr vs Fireblocks at $52K/yr — what the numbers don't tell you.

Fireblocks SDKBitGo SDKNode.jsPostgreSQL

2025-12-01

Project Beacon — AI Mentoring Platform

AI-enhanced mentoring platform for guided matching, mentor workflows, and internal knowledge capture. Built as a multi-service product with NestJS, Angular, and Python-based AI services.

NestJSNx MonorepoAngularPython (Flask)PostgreSQLClaude API

2025-11-17

MemeVault V1 & V2

Ethereum mainnet, Base

Upgradeable smart contract system deployed on Ethereum mainnet and Base chain. Proxy pattern with Admin, Proxy, and Implementation components.

SolidityHardhatOpenZeppelinethers.js

2025-11-01

RoomQuery — AI Hotel Recommendation API

REST API for intelligent hotel matching: budget, location, amenities, rating, and availability. NestJS + MongoDB with full Swagger documentation and Docker deployment.

NestJSTypeScriptMongoDBDockerSwaggerClaude API

2025-10-01

VeriOnce — Blockchain Credential Verification

Hyperledger Fabric v2.4+

Credential verification system on Hyperledger Fabric. Hashes academic and professional documents on-chain without storing raw data outside client infrastructure — built for government-grade data sovereignty.

Hyperledger FabricGo (Chaincode)AWS EKSMongoDBCouchDBNode.js

2025-08-01

Fabric–Polygon Cross-Chain Credential Bridge

Hyperledger Fabric + Polygon Amoy

Commit-reveal pattern bridging Hyperledger Fabric (private) and Polygon Amoy (public) for academic credential verification. Anchors private-chain state to a public blockchain without exposing raw data.

Go (Chaincode)SolidityJavaScript SDKTrufflePolygonHyperledger Fabric

2025-07-01

PrivateGPT — 100% Offline Document Q&A

Local LLM pipeline for querying documents without any internet connection. GPT4All + LlamaCpp + Chroma vector DB. No data leaves the machine — built for sensitive enterprise and legal document use cases.

PythonGPT4AllLlamaCppChroma (Vector DB)LangChainSentence Transformers

2025-06-01

Project Forge — Product System & Delivery Architecture

End-to-end product architecture work spanning flows, sequence diagrams, product documents, epics, and system framing before delivery. A leadership-heavy example of technical planning before execution.

Product DocsSequence DiagramsConfluenceArchitecture PlanningDelivery Design

2025-05-01

Project Relay — Multi-Restaurant Marketplace

Marketplace platform spanning admin operations, customer ordering, delivery workflows, and backend coordination. A multi-surface product with strong operational complexity.

Admin PanelUser AppDelivery AppNode.jsMarketplace Backend

2025-03-01

Smart Contract Audit — Token, Staking & Vesting

Ethereum

Security and logic review of three production-bound upgradeable contracts: ERC-20 token, staking platform, and vesting schedule. Caught four critical issues before mainnet deployment.

SolidityOpenZeppelin UUPSHardhatethers.jsSlitherMythril

2025-02-01

Project Tiger — Fireblocks Embedded Wallet

Ethereum, Base, Polygon

Production non-custodial wallet built on Fireblocks NCW with backend orchestration, transaction policy handling, and a cleaner UX for key-management-heavy flows.

Fireblocks NCWNode.jsTypeScriptMongoDBWeb3 Provider

2024-12-01

Project Vector — Presale & DApps Platform

Ethereum, Base, EVM

Web3 presale and DApps platform built for a broader wallet ecosystem, combining frontend DApps, backend CRM-style services, and token-sale delivery flows.

AngularNode.jsCRM BackendDAppsToken Sale Flows

2024-11-01

Project Orbit — Presale, CRM & DApps

Ethereum, Base, BNB Chain

Multi-surface Web3 platform spanning DApps, presale infrastructure, CRM backend, and wallet-linked user flows. Built for a live product ecosystem rather than a single isolated feature.

AngularNode.jsNestJSMongoDBSolidityRubic

2024-10-01

Project Pulse — Move-to-Earn Fitness Platform

Ethereum, Layer 2

Web3 fitness platform combining token mechanics, NFTs, and user engagement loops. Built around move-to-earn and player-economy interactions under production delivery pressure.

SolidityNFTsToken MechanicsNode.jsWeb3 Product Delivery

2024-09-01

Project Atlas — Multi-Chain Non-Custodial Wallet

Bitcoin, Ethereum, EVM chains

Production non-custodial wallet platform supporting Bitcoin (BDK/UTXO), Ethereum, and EVM chains. Flutter frontend, Django backend, encrypted WebSocket sync, and CloudFront-backed delivery.

Flutter (Dart)DjangoPythonBitcoin Dev Kit (BDK)Noise ProtocolWebSocketAWS CloudFrontMongoDB

2024-08-01

Project Ember — OP Stack L2 + Bridge

OP Stack (Ethereum L2)

Production Layer 2 chain built on OP Stack for a high-volume token ecosystem. Includes L1/L2 bridge, backend oracle, and staking contracts for a live launch environment.

OP StackSolidityNode.jsSmart ContractsL1/L2 BridgeOracle

2024-06-01

NCOG Earth Chain — Custom EVM Blockchain

Custom EVM (Go Ethereum fork)

Fork of Go Ethereum with a custom 'Forest' consensus algorithm. Built to be marketed as one of the fastest EVM-compatible blockchains. Full node implementation in Go with Docker-based deployment.

GoGo Ethereum (geth)DockerEVMCustom Consensus

2024-04-01

IDOSY — IDO Platform & Payment Flow

Ethereum, BNB Chain

IDO platform with token-sale contracts, admin operations, and Stripe-connected off-chain payment flows. Combined smart contracts with a business-friendly operator layer.

SolidityNode.jsAdmin FrontendStripeMongoDB

2023-06-01

DocTrace — Document Handling on Hyperledger Fabric

Hyperledger Fabric

Decentralised document-handling platform on Hyperledger Fabric for controlled verification, auditability, and data-sensitive workflows.

Hyperledger FabricGo (Chaincode)Node.jsCouchDBDocker