OpenChainGraph Suite · CONTRACT A3 · arch #5

Canton MMF Collateral Eligibility Chain

Validate a tokenized money-market fund as eligible collateral for Canton settlement. Fund-level NAV and eligibility check → HQLA tier and haircut verdict.

OpenChainGraph · 2 Steps collateral mandate Hash-Anchored §4 chain_depth:2 Client-Side · Zero PII
Chain Topology — Tokenized Fund Collateral Validator → Tokenized Collateral Eligibility Checker
§4 Execution Hash · Chain Definition Anchor
execution_hash:computing…
Chain Stages · 2 Steps
1 ROOT · D0 node
Tokenized Fund Collateral Validator 514-tokenized-fund-collateral-validator
fund_eligible,nav_verified,ucits_compliant feed Stage 2 collateral eligibility
MCP Call · validate_fund_collateral
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "validate_fund_collateral",
    "arguments": {}
  },
  "id": 1
}
2 TERMINAL · D2 node
Tokenized Collateral Eligibility Checker 505-tokenized-collateral-eligibility-checker
hqla_tier,dtc_eligible,haircut_pct -- Exports MMF collateral mandate -- final stage
MCP Call · check_tokenized_collateral_eligibility
{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "check_tokenized_collateral_eligibility",
    "arguments": {}
  },
  "id": 1
}
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