David Spurlock
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Featured showcase project· FinTech product strategy

BitSecure

An unlaunched Cornell academic prototype for a partner-embedded digital-asset risk-control layer that turns synthetic account, session, and destination signals into explainable, proportionate pre-transaction decisions.

This portfolio reconstruction grew from Cornell coursework; its synthetic concept prototype does not represent a launched or commercially validated product.

Cornell University College of Engineering · Product Management for Engineers · 2021Reviewed August 2026
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BitSecure academic prototype investment overview showing synthetic portfolio values, practice assets, and a safety checkpoint.
The customer prototype makes its synthetic state and action boundaries visible before a practice purchase; no live account, market feed, wallet, or funds are connected.
For
Digital-asset platform product, trust-and-safety, fraud, security, and operations leaders serving customers who need clearer context before a higher-consequence transfer.
Role
Cornell product-management coursework; later product strategy, portfolio reconstruction, requirements, prototype experience, risk model, and validation planning
Build
Unlaunched academic prototype with synthetic demonstration data

The problem

Why this needed to exist.

Digital-asset platforms already use identity, authentication, address screening, and blockchain intelligence, but customers can still receive a generic warning or step-up prompt without understanding what changed, why it matters, or which safer action is available.

Defining decision

Narrow the concept to one outbound EVM-asset transfer workflow and make deterministic policy, plain-language explanation, user choice, host-owned step-up authentication, and an auditable decision record the core product loop.

Approach

How the system was shaped.

  1. Separated the cautious customer, authorized signer, platform buyer, and technical stakeholders, then reframed a broad security concept around one high-consequence decision point.
  2. Defined an event-to-decision contract that validates approved context, applies versioned rules, explains the result, offers proportionate choices, invokes host-owned verification when required, and records the outcome.
  3. Designed linked customer and operator prototype flows with synthetic fixtures, reason codes, decision traces, degraded-state behavior, proposed metrics, and explicit continue, pivot, and stop criteria.

Tradeoffs

What the design chooses—and gives up.

  • BitSecure coordinates existing identity, intelligence, authentication, and policy capabilities instead of claiming custody, execution authority, or a proprietary detection advantage.
  • Deterministic synthetic scenarios make the prototype inspectable and repeatable, but they do not prove partner integration quality, user comprehension, loss reduction, or commercial demand.

Evidence

What can be inspected.

  • The prototype presents a practice investment journey alongside risk-event triage, policy views, safety history, and a decision trace using synthetic scenarios.
  • The product pack defines the initial transfer workflow, actors, event and decision schemas, failure behavior, privacy boundaries, release gates, and a stage-gated validation plan.
  • Every published screen labels the experience as synthetic or academic and avoids presenting demo balances, scores, events, or outcomes as live customer evidence.

Lessons

What carries into the next system.

  • Security friction becomes more useful when the product explains the reason, preserves user agency, separates observed facts from uncertainty, and records the final decision without taking custody or execution authority.

Selected artifacts

Additional views of the working system.

BitSecure academic prototype purchase flow showing a fixed synthetic Bitcoin price, practice amount, evidence profile, and review panel.
The purchase preview keeps the selected asset, deterministic fixture price, practice amount, and evidence profile together before the simulated decision continues.
BitSecure academic prototype risk-operations overview showing synthetic event, risk, step-up, and resolution counts.
The operator overview labels its demonstration counts as synthetic and keeps limited-evidence conditions visible.
BitSecure academic prototype risk-event inbox showing synthetic events, severity, confidence, status, freshness, and a selected decision trace.
The event inbox presents each synthetic record with severity, confidence, evidence freshness, customer state, and a decision trace.
BitSecure academic prototype portfolio showing synthetic Bitcoin, Ethereum, Solana, and USD Coin positions beside a persisted safety state.
The practice portfolio presents deterministic asset fixtures beside a synthetic safety state without implying a live market feed or account.