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Patterns

What this is. Short, reusable solution cards for common architectures (e.g., confidential ERC-20 on L2, atomic DvP). Each card is 1–2 screens using a consistent structure so teams can compare options fast.

TODO: This folder needs to be refactored, deduped and populated more

How to use. When a design is repeatable, add pattern-*.md using the template below. Keep it concise: intent → protocol → guarantees → trade-offs. Cross-link related patterns and any live PoCs. Each pattern includes a CROPS score: see CONTRIBUTING.md § CROPS Evaluation for scoring rubrics.

  • Template: _template.md
  • Naming: pattern-<slug>.md (kebab-case)
  • Status flow: draft → ready (update maturity as you pilot/ship)

Patterns to consider (stubs)

(Add later; 1–2 screens each.)

  • pattern-secondary-market-rfq-batched-settlement.md: Private RFQ + batch settle (cost/leakage win).
  • pattern-key-management-threshold-kms.md: Threshold keys, rotation, escrow, emergency revoke.
  • pattern-cash-leg-eur-stablecoin-vs-mmf.md: EURC vs tokenized MMF/deposit tokens for cash leg.
  • pattern-derivative-daily-settlement-erc6123.md: Daily accrual/settlement semantics.
  • pattern-performance-batching-blob-costing.md: Batching, blobs, proof cadence, SLOs.
  • pattern-eligibility-attestations-eas-erc3643.md: EAS + ERC-3643 eligibility/KYC flows.
  • pattern-policy-data-classification.md: Map ICMA BDT fields → Public / Confidential / Reg-only.

Adjacency patterns (useful, but not sufficient alone)

Neutral notes on approaches folks often suggest; pair them with core patterns as needed.

  • pattern-adj-railgun-shielded-transactions.md: Shielded DeFi; lacks issuer lifecycle, enforced regulator access, DvP.
  • pattern-adj-private-consortium-ledger.md: Strong closed-network privacy; trade-offs vs public settlement/composability.
  • pattern-adj-htlc-cross-domain-swap.md: Simple atomic swaps; brittle for regulated cross-domain DvP.
  • pattern-adj-delayed-post-trade-reporting.md: Batch reports; needs on-demand audit & anchors to fit bonds.

For vendors that complement patterns (compliance orchestration, enterprise privacy stacks, etc.), see /vendors/README.md. Keep vendor notes neutral and link back to patterns (not vice-versa).