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TROPTIONS · Settlement Architecture

Settlement & Coordination
Powered by TROPTIONS

Legacy Vault Protocol uses the TROPTIONS protocol fabric for x402 metering, namespace coordination, cross-chain proof anchoring, stablecoin asset references, and Rust-based TSN settlement infrastructure. No live settlement is claimed unless validators, legal rails, and Control Hub approvals are connected.

x402 MeteringTROPTIONS Layer 0TSN Rust ScaffoldControl Hub Gated

Settlement Layer Stack

Five-layer coordination architecture

LAYER 01Legacy Vault Protocol
IMPLEMENTED
  • •Estate vault creation & management
  • •Executor / beneficiary workflows
  • •Document upload & encryption
  • •Release policy engine
  • •Audit trail generation
LAYER 02TROPTIONS x402 Metering
LOCAL_ADAPTER
  • •HTTP 402 Payment Required service fabric
  • •Executor packet metering (0.50 USDF)
  • •Compliance report metering (1.00 USDF)
  • •Cross-chain snapshot metering (0.75 USDF)
  • •Namespace manifest metering (0.25 USDF)
LAYER 03TROPTIONS Layer 0 Fabric
SCAFFOLD
  • •Namespace coordination fabric
  • •Wallet identity mapping
  • •x402 event routing
  • •Cross-chain proof anchor events
  • •Estate event coordination
LAYER 04Troptions-L1 / TSN Rust Layer
SIMULATION_ONLY
  • •Rust workspace: 24 crates
  • •consensus, runtime, state, crypto modules
  • •compliance & governance runtime
  • •stablecoin module (simulation-gated)
  • •Control Hub approval surface
LAYER 05External Rails (XRPL · Stellar · EVM · Solana)
ADAPTER
  • •XRPL: bridge-xrpl adapter (simulation)
  • •Stellar: bridge-stellar adapter (simulation)
  • •EVM: wallet reference model
  • •Solana: wallet reference model
  • •Stablecoin networks: USDC · USDT · DAI · EURC

Settlement Flow

How a metered service call settles

01

User or operator requests a metered service

Executor packet, compliance report, cross-chain snapshot, etc.

02

x402 Payment Required returned

HTTP 402 response with TROPTIONS payment requirements

03

USDF payment submitted to x402 gateway

Dev: LOCAL_ADAPTER mock. Prod: TROPTIONS TSN gateway required

04

TROPTIONS Layer 0 validates event

Namespace billing record written, service authorized

05

Service rendered & proof anchored

PDF/JSON artifact returned, IPFS CID + chain hash recorded

06

Audit trail logged

Tamper-evident event written to estate audit log

Capability Matrix

What is live, adapter, scaffold, or blocked

CapabilityStatus
Legacy estate workflowsLIVE
TROPTIONS x402 meteringLOCAL_ADAPTER
USDF stablecoin unitPLANNED
Troptions-L1 settlementSIMULATION
XRPL bridge executionADAPTER
Stellar bridge executionADAPTER
Stablecoin issuanceBLOCKED
Production validatorsFUTURE

Production Path

Requirements to enable live settlement

TSN Validators

Troptions-L1 validator nodes must be onboarded and running on production hardware.

Legal & Compliance

Stablecoin issuance, money transmission, and cross-border settlement require attorney sign-off.

Control Hub Approval

Live bridge, issuance, and settlement events require multi-sig governance approval.

XRPL Operator Keys

Live XRPL bridge requires operator account, RPC endpoint, and trustline setup.

Stellar Horizon RPC

Live Stellar bridge requires Horizon endpoint, operator account, and asset authorization.

TROPTIONS x402 Gateway

Production metering requires a live x402 gateway connected to TSN or Apostle Chain.

Control Hub →Powered by TROPTIONSx402 Service CatalogTroptions-L1 Rust Layer