Architecting the Decentralized
Intelligent Economy
Strategic Engineering Advisory for Blockchain, AI, and Global Stablecoin Infrastructure.
Executive Engineering Leadership at
Trusted advisor to global blockchain companies and institutional investment firms — from protocol architecture to the boardroom.
Core Competencies
We operate at the intersection of Blockchain, AI & Robotics, and Security.
Institutional Custody & ETF Infrastructure
Securing billions in AUM for ETFs and institutions requires more than standard wallets.
Architecting MPC (Multi-Party Computation) systems, cold storage governance, and real-time proof-of-reserves for SEC-regulated products.
Global Stablecoin Rails & Payments
Legacy rails are slow; launching compliant stablecoins is regulatorily complex.
Architecting MiCA-compliant stablecoin issuance, treasury management, and global settlement rails (ISO 20022), integrated with high-velocity networks like Lightning.
Applied AI, Robotics & Agentic Systems
General-purpose AI lacks the deterministic reliability needed for high-stakes environments. Static automation fails when faced with real-world complexity.
Bridging specialized AI/ML with deterministic control logic. We architect agentic systems that translate digital intelligence into precise operational or physical actions, where reliability and performance are non-negotiable.
Advanced Cryptography & Security
Standard encryption is insufficient for regulatory compliance and future quantum threats.
Implementing Zero-Knowledge Proofs (ZKP), post-quantum algorithms, and CISSP-grade threat modeling.
RWA & Asset Tokenization
Real-world assets are illiquid and difficult to fractionalize on-chain securely.
Smart contracts for fractionalizing securities and real estate with automated compliance enforcement and liquidity pools.
Hyper-Scale Architecture
Scaling systems to 100M+ users breaks standard cloud architectures.
Applying reliability patterns from Amazon/Meta to deliver 99.999% uptime, infrastructure resilience, and massive throughput.
Proven Enterprise Impact
A history of solving the hardest engineering problems for the world's largest technology and financial organizations.
Billions
In stablecoin volume processed on rails we designed
Millions
Of users served by deployed payment & custody systems
99.999%
Uptime delivered for high-scale consumer platforms
100M+
User-scale architectures engineered for global platforms
Global Stablecoin Rails, MPC Custody & ETFs
The Problem
Institutions needed secure, compliant rails to move billions in stablecoins and assets without operational bottlenecks or regulatory risk.
The Solution
Designed compliant payment rails processing billions in stablecoin volume and architected next-gen MPC custody for ETFs and institutional assets using threshold signatures and HSMs.
Key Outcomes
- Processed billions in stablecoin volume
- Secured ETF assets via MPC custody
- Achieved global regulatory compliance
Lightning Network & Instant Payment Rails
The Problem
Bitcoin settlement was too slow and expensive for daily consumer commerce at scale.
The Solution
Led cryptographic design for one of the largest Lightning Network deployments, enabling instant, low-cost settlement for millions of users with robust self-custody infrastructure.
Key Outcomes
- Widely deployed Lightning infrastructure
- Instant settlement for millions of users
- Significant fee reduction at scale
AI-Driven Fraud Detection for Payment Rails
The Problem
Legacy heuristics generated false positives, operational strain, and revenue loss across card and crypto channels.
The Solution
Architected ML-based real-time fraud detection pipelines integrating behavioral ML, anomaly detection, and AI-powered decisioning.
Key Outcomes
- Reduced fraud losses significantly
- Reduced false positives
- Enabled instant payments without sacrificing safety
Enterprise Content Integrity
The Problem
Manual workflows could not scale to protect billions of users; GDPR required privacy-first ML.
The Solution
Designed ML-powered content integrity, automated threat detection, and GDPR-compliant personalization systems.
Key Outcomes
- Substantial reduction in harmful content
- Protection of billions of users
- Measurable regulatory-risk reduction
Global Payment Rails & Gateway Modernization
The Problem
Legacy systems created friction in transaction flow and fraud detection during high-volume events.
The Solution
Rebuilt payment gateway with AI-powered fraud detection and resilient cloud-native infrastructure.
Key Outcomes
- Reduced transaction failures sharply
- Increased revenue via higher acceptance
- Improved customer trust
High-Scale AI Recruiting Platform
The Problem
Hiring cycles took months and lacked AI-driven filtering for millions of applications.
The Solution
Architected global recruiting ML platform to automate evaluation, routing, and candidate ranking.
Key Outcomes
- Reduced hiring cycles from months to weeks
- Enabled automated evaluation of millions of apps
Digital Distribution Transformation
The Problem
Shift from physical to digital required secure, high-availability services for millions of concurrent users.
The Solution
Led digital transformation engineering for online services, optimizing infrastructure and resilience.
Key Outcomes
- Industry-leading uptime
- Substantial profit margin gains
- Significant infrastructure savings
Banking Security & ISO 27001
The Problem
Legacy banking systems needed modernization under ISO 27001 and MaRisk compliance frameworks.
The Solution
Directed secure migration and built enterprise data protection and document lifecycle systems.
Key Outcomes
- Successful compliance migration
- Improved security posture
- Adopted by multiple banking clients
Facing a Similar Challenge?
These outcomes started with a single conversation. Tell us about your systems — every inquiry is reviewed personally and answered within one business day.
Start the ConversationEngagement Models
We offer flexible, high-impact engagement structures designed for rapid value delivery.
Architecture Assessment
Comprehensive audit and redesign of critical blockchain and payment infrastructure to ensure institutional security and scale.
Board-Level Advisory
Strategic guidance for C-suite leaders on technology roadmaps, competitive positioning, and navigating market shifts.
M&A Technical Due Diligence
Deep-dive technical audits to validate IP, assess code quality, and quantify security risks pre-acquisition.
Regulatory Navigation
Translating complex compliance frameworks (FinCEN, MiCA, GDPR) into concrete, executable engineering specifications.
Retained Strategic Advisory
Long-term partnership to scale engineering organizations (10 to 1000+), optimize culture, and drive technical velocity.
Independent Board Director
Fiduciary governance and technical risk oversight for high-growth boards requiring deep subject matter expertise.
Verified Credentials
Steven Geller
Engineering executive specializing in Blockchain Infrastructure, AI/ML, and Security at global scale.
Career Highlights
- Led Bitcoin & Stablecoin Engineering at Cash App & Square across custody, global payment rails, and self-custody products.
- Built institutional-grade MPC custody systems securing billions in assets at Coinbase.
- Architected AI security systems protecting billions of users at Meta.
- Built ML platforms at Amazon scaling to millions of annual transactions.
- Enterprise data architecture at Microsoft.
Convergence Trinity
The technical intersection required for the next state of digital economies.
Strategy & Research
Technical briefs on the technologies reshaping the intelligent economy.
Architecting Institutional MPC Custody: Threshold Signatures Beyond the Hype
Why single-key and naive multisig fail institutional requirements — and how threshold signatures, shard governance, and policy engines solve custody for ETFs and regulated products.
MiCA-Compliant Stablecoin Issuance: An Engineering Blueprint
EMT vs ART classification, reserve segregation, redemption-at-par obligations, and the issuance/redemption rails regulators expect — translated into engineering specifications.
ISO 20022 Migration: Modernizing Global Payment Rails Without Breaking Them
What ISO 20022 actually changes, the truncation risks of MT-to-MX coexistence, and where structured payment data intersects with on-chain settlement.
Initiate Collaboration
Trust Boundary Systems Inc. accepts a limited number of engagements per quarter. Select an area below to start a structured conversation.
Every inquiry is reviewed personally — expect a reply within one business day.
Step 1
Intro Call
A confidential 15-minute conversation to assess fit and understand your objectives.
Step 2
Scoped Proposal
Defined deliverables, timeline, and terms — no open-ended retainers without a roadmap.
Step 3
Engagement
Direct access to Steven throughout. Senior-only execution, board-ready reporting.
Headquarters
BC, Canada