See the stars

Nexa Specification

Home / Nexa / Nexa Specification

Nexa: Continuity Engine

Nexa: Continuity Engine is a generational wealth operating system designed to model, simulate, and govern multi-generational financial structures through programmable trust logic, lifecycle-aware rules, and multi-trust network architecture.

It is not a financial advisor or custodial service. It is a deterministic infrastructure layer for structuring, simulating, and governing long-term wealth systems.


Core Concept

Nexa transforms traditional estate and trust structures into a programmable system that can:

  • Define how wealth is governed
  • Simulate how it evolves over time
  • Control how it is distributed across generations
  • Model real-world life events and economic conditions
  • Coordinate multiple trusts as a unified system

Full Feature List

1. Trust Rule Engine

A programmable rule system that governs all trust behavior.

  • HEMS rule modeling (Health, Education, Maintenance, Support)
  • Age-based distribution logic
  • Trustee discretionary controls
  • Conditional eligibility rules
  • Asset-specific distribution constraints
  • Approval workflows and multi-signature logic

2. Time Engine (Generational Simulation Layer)

A predictive financial simulation system for long-term planning.

  • Multi-decade wealth projection (10–100+ years)
  • Inflation and macroeconomic scenario modeling
  • Asset growth simulation (stocks, real estate, crypto)
  • Bitcoin volatility and compounding models
  • Inheritance cycle simulation across generations
  • Tax exposure forecasting (estate, gift, GST)
  • Scenario comparison engine (best case / baseline / stress test)

3. Multi-Trust Network Layer

A system for managing interconnected trust ecosystems.

  • Hierarchical dynasty trust structures
  • Sub-trust specialization (education, crypto, real estate, etc.)
  • Cross-trust dependency mapping
  • Shared beneficiary modeling across trusts
  • Isolation of risk between asset pools
  • Trust-to-trust governance relationships

4. Life Event System

A dynamic system that adapts trust behavior to real-world events.

  • Birth and generational entry events
  • Education completion triggers
  • Marriage and divorce conditions
  • Business creation and entrepreneurship triggers
  • Disability, emergency, and hardship conditions
  • Death and inheritance transition events
  • Event-based rule activation system

5. Identity Permissions Layer

A secure role-based access control system.

  • Beneficiary role (view + request access)
  • Trustee role (approve + execute distributions)
  • Co-trustee governance structures
  • Auditor read-only compliance access
  • Advisor limited-visibility roles
  • Permission-based rule modification controls
  • Multi-signature approval requirements

6. Asset Layer (Traditional + Digital)

Unified asset tracking and governance system.

  • Fiat cash pools
  • Investment portfolios
  • Real estate holdings
  • LLC ownership structures
  • Bitcoin and cryptocurrency assets
  • Custodian-linked or multi-sig crypto tracking
  • Asset-level rule binding

7. Tax & Exemption Tracking Engine

A financial compliance and modeling system.

  • Lifetime gift exemption tracking
  • Estate tax exposure modeling
  • Generation-skipping transfer (GST) tracking
  • Asset basis tracking (including crypto)
  • Gift reporting simulation (Form 709 support logic)
  • Jurisdiction-aware tax modeling

8. Governance & Policy Layer

Defines how the system itself is controlled.

  • Family council voting logic
  • Trustee replacement rules
  • Amendment procedures for trust rules
  • Conflict resolution structures
  • Policy versioning and historical state tracking

9. Investment Policy Engine

Controls how assets can be managed and invested.

  • Risk profile configuration (conservative, moderate, aggressive)
  • Asset allocation constraints
  • Crypto exposure limits
  • Liquidity requirements
  • Rebalancing rules
  • Investment restriction policies

10. Audit & Compliance Layer

A transparent and verifiable system log.

  • Immutable event logging design
  • Hash-chained audit trails
  • Trustee action history
  • Distribution verification logs
  • Compliance reporting outputs
  • Full system traceability

Design Principles

Nexa is built on three core principles:

  • Continuity over transactions
  • Structure over discretion
  • Simulation over assumption

System Behavior Model

Nexa operates through four core processes:

  1. Define – establish trust structure and rules
  2. Simulate – project outcomes across time
  3. Execute – apply rule-based distributions
  4. Audit – record and verify all actions

Security Model

  • No autonomous fund custody by default
  • Trustee-authorized execution required
  • Role-based permission enforcement
  • Immutable audit logging
  • Deterministic rule evaluation

Use Cases

  • Dynasty trust design and simulation
  • Family office wealth architecture
  • Crypto inheritance planning
  • Multi-generational estate modeling
  • Trust governance system design
  • Long-term financial scenario analysis

Specification Branding License (SBL)

Standard

  • Fully AGPL-3.0+ compliant system
  • Copyleft enforced for network deployments
  • Required attribution:

Optional

  • Specification Branding License (SBL)

License & Notice Requirements

Nexa: Continuity Engine is released under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).
By contributing to this project, you agree that your contributions will also be released under this license.

Please note the following:

  • All contributions must comply with the AGPL-3.0+ terms.
  • Under Section 7 of the license, all redistributions, forks, and derivative works must preserve attribution to:
    Roxanne Ardary and roxanneardary.com.
  • Nexa: Continuity Engine specifications are free to use with attribution. A Specification Branding License can be negotiated upon request.
  • The project’s notice.md file tracks attribution requirements and contributor acknowledgments.
    Any update that adds new contributors or modifies attribution should also update notice.md.
  • When submitting a pull request, ensure that any new files maintain the attribution headers where applicable.
  • Network-deployed versions of this software must also remain fully AGPL-3.0+ compliant, including exposure of source code modifications when applicable under the license.

For full legal details, please refer to the AGPL-3.0+ license and the project’s notice.md file.


Notice – Nexa: Continuity Engine

Attribution Requirement: Under Section 7 of the AGPL 3.0+ license, all redistributions, forks, and derivative works, including network-deployed versions of this project, must provide attribution to Roxanne Ardary and roxanneardary.com.

Contributors

This file tracks contributors and their specific contributions to the project.

  • Roxanne Ardary, roxanneardary.com – May 22, 2026
    Created the repository for Nexa: Continuity Engine. Designed the foundational architecture for a generational wealth operating system including the trust rule engine, time-based simulation layer, multi-trust network model, and identity permission system.
  • [Add other contributors here] – [Date]
    [Describe contribution in one sentence]

License – Nexa: Continuity Engine

This repository is licensed under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).

Key Points

  • You are free to use, modify, and distribute the code.
  • All redistributions, forks, and derivative works or network-deployed versions must also be licensed under AGPL-3.0+ and provide attribution to Roxanne Ardary and roxanneardary.com as required under Section 7 of the license.
  • The software is provided “as is,” without warranty of any kind.

For the full license text, see GNU AGPL-3.0 License: https://www.gnu.org/licenses/agpl-3.0.html