Available
Senior Product Manager · Crypto · Web3 · DeFi
DonHartig
Blockchain Architect · Crypto PM · Multi-Chain Product Strategy
Senior crypto product professional with 11+ years driving product strategy, content operations, and blockchain product development at top-tier exchanges and Web3 platforms. Founder of the Silubium ("四路币") blockchain project, serving as Engineering Team Lead and CMO — personally overseeing the design and architecture of a full blockchain feature set, wallet, and public ledger from concept through to ICO and mainnet launch.
Hands-on experience managing product pipelines at Bitget (top-10 global CEX), providing UI/UX optimisation recommendations for the Bitget Insights social trading app pre-launch, and translating complex blockchain concepts into clear product specifications and documentation. A full-stack developer who builds with HTML, CSS, JavaScript, React, Node.js, and REST APIs — able to communicate fluently with engineering teams on technically complex features.
10+ years as a crypto market participant, fluent in 7 languages, with a particular edge in Asian markets critical to global wallet adoption.
11+
Years Crypto Industry
7
Languages Fluent
40+
Web/App Projects Built
1
Blockchain Co-Founded
01
Product & Leadership Experience
Senior Content Operations Manager
- Built the Content Operations function from the ground up — restructured team roles, defined KPIs, set OKRs, and designed the end-to-end editorial workflow; a direct analogue to establishing PM process at a product-first company.
- Provided UI/UX layout optimisation recommendations for the Bitget Insights social trading app pre-launch, working directly with the Product and BD teams to shape user experience decisions.
- Assisted Product and BD teams with Mandarin Chinese → English localisation of product copy, UI/UX strings, press releases, and BD collateral — bridging the gap between technical requirements and user-facing language.
- Managed a high-volume content pipeline (up to 40 posts per day) spanning technical analyses, listing announcements, and app updates — building rigorous quality standards across a distributed team.
- Led hiring pipeline end-to-end: created recruitment forms, conducted interviews, and onboarded supervisors and writers within budget constraints.
- Proactively brokered a strategic partnership with celebrity advertising agency NEON by leveraging an existing professional relationship — demonstrating an instinct for identifying growth opportunities.
Co-Founder · Blockchain Systems Architect · CMO
- Co-designed the full Silubium blockchain feature set and rule architecture — responsible for defining what the chain could do, how it would behave, and how its components (source code, wallet, public ledger "Silkchain") fit together.
- Served as Engineering Team Lead across two parallel development teams, overseeing the wallet application and public ledger from specification through to launch — the core product management function of a blockchain startup.
- Directed the full international ICO marketing campaign end-to-end, from whitepaper to token go-live — managing timelines, deliverables, and cross-functional stakeholders across two countries and two languages.
- Delivered keynote speeches at all ICO funding events in China, in Mandarin, translating highly technical blockchain concepts for investor audiences.
- Produced bilingual video and advertising content for Chinese and international markets.
Senior Producer — Crypto, DeFi & FinTech
- Led a cross-functional team producing daily long-form content on crypto, DeFi, blockchain, Web3, and FinTech — owning the full content calendar, editorial strategy, and team output quality.
- Conducted on-camera interviews and produced video content across TikTok, X, and Instagram on crypto trends and market stories.
- Recruited and hired writers, journalists, on-screen presenters, and KOL partners — implementing workflow and content distribution strategies to improve engagement metrics.
Web Localiser · Language Optimiser · Social Media Producer
- Performed full-scope localisation of the exchange website from Chinese to English, optimising all copy for English-speaking market tone, idiom, and SEO intent.
- Authored SEO-optimised CTA articles and daily social media content to drive inbound user acquisition.
Social Media & Marketing Localisation Manager
- Authored the full English-language whitepaper for the Singularity Metaverse — translating technical Web3 architecture into structured product documentation for a global audience.
- Served as international PR contact and BD outreach lead, managing brand-to-partner communications for global markets.
- Concurrent (Deer Network): authored the full English whitepaper and performed complete website localisation.
Crypto Content & Technical Writer · Web Developer
- Delivered technical and marketing content for GSR, BingX, Blockchain Advocates, Coinformant, Antarctic Exchange and others — spanning whitepapers, technical analyses, product documentation, and educational guides.
- Authored a legal considerations piece on Tokenized Asset Offerings for Blockchain Advocates — demonstrating command of regulatory and structural nuance in digital assets.
- Began building web applications, accumulating 40+ live projects across crypto, finance, e-commerce, and SaaS verticals.
02
Crypto Domain Expertise
Blockchain & Protocol Knowledge
Bitcoin (BTC)
Ethereum (ETH)
Monero (XMR)
Solana (SOL)
Non-Custodial Wallets
Private Key Management
Multi-Chain UX
Blockchain Architecture
Tokenomics
ICO / IDO
DeFi Protocols
NFTs / Web3
CEX / DEX
Wallet UX
P2P Trading
Whitepaper Authorship
Market Making
Technical Analysis
Product Management Competencies
Roadmap Ownership
KPI / OKR Definition
Cross-Functional Leadership
Feature Prioritisation
Product Requirements (PRDs)
UX Optimisation
Competitive Analysis
Go-to-Market Strategy
Team Building & Hiring
Agile / Iterative Delivery
Technical Documentation
Stakeholder Management
User Acquisition Funnels
Data-Driven Iteration
Post-Launch Analysis
03
Technical Skills
Development
- HTML5 / CSS3
- JavaScript (ES6+)
- React / Next.js
- Node.js
- REST APIs / GraphQL
- Python
- MySQL / PostgreSQL
- MongoDB
- Git / GitHub
Product & Analytics
- Google Analytics
- KPI Framework Design
- A/B Testing
- User Flow Analysis
- Funnel Optimisation
- SEO Strategy
- UI/UX Feedback
- Agile / Sprint Planning
- Documentation Systems
Platforms & Tools
- Google Workspace
- Telegram / Discord
- X / Twitter
- Medium / Substack
- GitHub
- AWS / Cloud Hosting
- WordPress / CMS
- Upwork (5★ Verified)
- TikTok / YouTube
04
Language Capability
English
Native
Mandarin
Fluent · #3 Global
German
Professional
+4 More
French · Spanish · Japanese · Dutch
05
Selected Work & Writing
01 · Bitget
Bitget Insights — UX Feedback Report
Pre-launch UX review and optimisation recommendations for the Bitget Insights social trading app, delivered to the Product team.
View Report →
02 · GSR
The Benefits of Market Making
Professional analysis of crypto market-making strategies produced for GSR — one of the world's leading algorithmic trading firms.
View PDF →
03 · Silubium
Silubium Blockchain — Archived Project
Co-designed blockchain feature architecture, managed dual development teams (wallet + ledger), and led the ICO campaign to mainnet launch.
View Archive →
04 · Deer Network
Deer Network Whitepaper
Authored the complete English-language technical whitepaper for the Deer Network blockchain project, translating protocol design into structured documentation.
View Whitepaper →
05 · Singularity
Singularity Metaverse Whitepaper
Full English whitepaper for the Singularity Web3 gaming platform — covering tokenomics, ecosystem design, and technical architecture.
View Whitepaper →
06 · Blockchain Advocates
Tokenized Asset Offering — Legal Considerations
In-depth analysis of the legal and structural considerations for tokenized asset offerings — demonstrating command of regulatory frameworks in digital assets.
View Document →