Sentinel: Institutional DeFi Gateway

Version: 0.1.0 (Prototype)
Last Updates: March 21 2026
Target Audience: Contributors, maintainers, and LLMs working on this codebase

1. Service Overview (Marketing Description)

1.1 Value Proposition

Sentinel is a high-performance, compliance-first middleware layer that bridges traditional financial institutions with decentralized finance protocols. It serves as the critical infrastructure layer that enables institutional-grade execution in DeFi markets.

1.2 Core Offerings

For Hong Kong VASPs (Virtual Asset Service Providers)

Pre-built compliance infrastructure meeting HKMA and SFC licensing requirements
Dual-officer transaction approval workflows with cryptographic audit trails
Real-time AML/CFT screening integrated directly into transaction flow
HK$10M capital requirement technical architecture support

For Institutional Trading Firms

Sub-50 microsecond transaction routing with intelligent path optimization
MEV (Maximum Extractable Value) protection through private mempool integration and transaction simulation
Cross-chain liquidity aggregation spanning EVM chains, Solana, and Cosmos-based RWA networks
Gasless meta-transaction support for institutional account management

For RWA Tokenization Platforms

Institutional-grade oracle integration (Chainlink CCIP) for cross-chain asset messaging
Compliance-aware smart order routing for tokenized securities
Settlement finality guarantees bridging on-chain and traditional settlement systems

1.3 Key Differentiators

Feature	Traditional DeFi	Sentinel Approach
Latency	200-500ms	<50μs (99th percentile)
Compliance	Post-transaction screening	Pre-execution policy enforcement
MEV Protection	Basic slippage settings	Simulation-based attack prevention
Cross-chain	Manual bridging	Intent-based atomic routing
Infrastructure	Self-hosted nodes	AWS auto-scaling with 99.99% SLA

2. Technical Architecture

2.1 System Architecture Diagram

┌──────────────────────────────────────────────────────────────────────────┐
│                           CLIENT INTERFACE LAYER                         │
│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  │
│  │   REST API   │  │ WebSocket    │  │   gRPC       │  │  Webhook     │  │
│  │  (Reporting) │  │ (Price Feeds)│  │ (Execution)  │  │ (Events)     │  │
│  └──────┬───────┘  └──────┬───────┘  └──────┬───────┘  └──────┬───────┘  │
└─────────┼─────────────────┼─────────────────┼─────────────────┼──────────┘
          │                 │                 │                 │
          └─────────────────┴─────────────────┴─────────────────┘
                                    │
                                    ▼
┌─────────────────────────────────────────────────────────────────────────────┐
│                         SENTINEL CORE GATEWAY                               │
│                    (Rust + Tokio Async Runtime)                             │
│                                                                             │
│  ┌──────────────────────────────────────────────────────────────────────┐   │
│  │                    INTAKE PROCESSOR                                  │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  │   │
│  │  │ Req Parser  │→ │ Auth Engine │→ │ Rate Limiter│→ │ Schema Val  │  │   │
│  │  │  (<5μs)     │  │  (API Key)  │  │ (Token Bucket│  │ (Protobuf) │  │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘  └─────────────┘  │   │
│  └──────────────────────────────────────────────────────────────────────┘   │
│                                    │                                        │
│                                    ▼                                        │
│  ┌──────────────────────────────────────────────────────────────────────┐   │
│  │                 COMPLIANCE ENGINE (Policy DAG)                       │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  │   │
│  │  │ HK VASP     │→ │ AML Screen  │→ │ Risk Score  │→ │ Dual-Officer│  │   │
│  │  │ Rule Check  │  │ (Chainalysis│  │  Calculator │  │  Approval   │  │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘  └─────────────┘  │   │
│  │                                                                      │   │
│  │  Policy Result: ALLOW → Continue | REVIEW → Queue | DENY → Reject    │   │
│  └──────────────────────────────────────────────────────────────────────┘   │
│                                    │                                        │
│                                    ▼                                        │
│  ┌──────────────────────────────────────────────────────────────────────┐   │
│  │              MEV PROTECTION ENGINE                                   │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  │   │
│  │  │ Mempool     │→ │ Simulation  │→ │ Attack      │→ │ Private     │  │   │
│  │  │ Monitor     │  │   Sandbox   │  │ Detection   │  │  Relays     │  │   │
│  │  │ (Geth/Reth) │  │ (Anvil fork)│  │ (Pattern ML)│  │ (Flashbots) │  │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘  └─────────────┘  │   │
│  │                                                                      │   │
│  │ Protection Score: SAFE → Execute | RISK → Time-delay | HIGH → Reject │   │
│  └──────────────────────────────────────────────────────────────────────┘   │
│                                    │                                        │
│                                    ▼                                        │
│  ┌──────────────────────────────────────────────────────────────────────┐   │
│  │              SMART ORDER ROUTER (SOR)                                │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐  │   │
│  │  │ Liquidity   │→ │ Path Find   │→ │ Split Engine│→ │ Execution   │  │   │
│  │  │   Scanner   │  │ (Dijkstra)  │  │ (CowSolver) │  │  Builder    │  │   │
│  │  │ (Substreams)│  │             │  │             │  │             │  │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘  └─────────────┘  │   │
│  │                                                                      │   │
│  │  Routing Strategy: Single-chain | Cross-chain (CCIP) | Intent-based  │   │
│  └──────────────────────────────────────────────────────────────────────┘   │
│                                    │                                        │
└────────────────────────────────────┼────────────────────────────────────────┘
                                     │
           ┌─────────────────────────┼─────────────────────────┐
           │                         │                         │
           ▼                         ▼                         ▼
┌─────────────────┐       ┌──────────────────┐       ┌─────────────────┐
│   EVM CLUSTER   │       │  SOLANA CLUSTER  │       │  COSMOS CLUSTER │
│  ┌───────────┐  │       │  ┌───────────┐   │       │  ┌───────────┐  │
│  │  Ethereum │  │       │  │ Firedancer│   │       │  │ Provenance│  │
│  │  (Reth)   │  │       │  │  (Helius) │   │       │  │  (RWA)    │  │
│  ├───────────┤  │       │  ├───────────┤   │       │  ├───────────┤  │
│  │  Arbitrum │  │       │  │  Jito     │   │       │  │  Ondo     │  │
│  │  (Nitro)  │  │       │  │  (MEV)    │   │       │  │  Chain    │  │
│  ├───────────┤  │       │  └───────────┘   │       │  ├───────────┤  │
│  │  Base     │  │       │                  │       │  │  Cosmos   │  │
│  │  (Geth)   │  │       │                  │       │  │  Hub      │  │
│  └───────────┘  │       │                  │       │  │  (IBC)    │  │
└─────────────────┘       └──────────────────┘       │  └───────────┘  │
                                                     └─────────────────┘
                                     │
                                     ▼
┌────────────────────────────────────────────────────────────────────────────┐
│                         DATA & OBSERVABILITY LAYER                         │
│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐    │
│  │   Redis      │  │  PostgreSQL  │  │  ClickHouse  │  │   Grafana    │    │
│  │  (Hot Cache) │  │ (Relational) │  │ (Time-Series)│  │ (Dashboards) │    │
│  └──────────────┘  └──────────────┘  └──────────────┘  └──────────────┘    │
│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐    │
│  │   Kafka      │  │   S3/Glacier │  │  Prometheus  │  │    PagerDuty │    │
│  │  (Event Bus) │  │  (Audit Logs)│  │   (Metrics)  │  │   (Alerts)   │    │
│  └──────────────┘  └──────────────┘  └──────────────┘  └──────────────┘    │
└────────────────────────────────────────────────────────────────────────────┘

2.2 Component Deep Dive

2.2.1 Intake Processor

Purpose: Ultra-low-latency request validation and routing

Flow:

Request Parser - Zero-copy deserialization using rkyv or flatbuffers
Auth Engine - Ed25519 signature verification + API key validation
Rate Limiter - Token bucket algorithm with per-client buckets
Schema Validation - Protobuf-based request validation

Performance Targets:

Parsing: <5 microseconds
Auth: <10 microseconds
End-to-end intake: <50 microseconds p99

2.2.2 Compliance Engine

Purpose: Regulatory policy enforcement before transaction execution

Architecture: Directed Acyclic Graph (DAG) of policy nodes

// Policy DAG Structure
enum PolicyNode {
    VaspCheck { jurisdiction: Jurisdiction },
    AmlScreen { provider: Chainalysis },
    RiskScore { threshold: u8 },
    DualOfficer { required_approvers: u8 },
    VelocityCheck { window: Duration, max_tx: u32 },
}

struct PolicyResult {
    decision: Decision,  // Allow | Review | Deny
    evidence: Vec<AuditLog>,
    latency_micros: u64,
}

HK VASP Specific Rules:

Source of funds verification for transactions >HK$120,000
Beneficial ownership screening for wallet addresses
Travel Rule compliance for cross-border transfers
Suspicious transaction pattern detection

2.2.3 MEV Protection Engine

Purpose: Protect institutional orders from frontrunning and sandwich attacks

Three-Layer Defense:

Mempool Monitoring
- Real-time mempool subscription via eth_subscribe
- Pattern detection for attacker bot behaviors
- Liquidity pool state tracking
Transaction Simulation
- Local EVM fork using anvil or reth execution layer
- Pre-flight execution with current mempool state
- Slippage impact calculation under attack scenarios
Private Execution
- Flashbots Protect integration (Ethereum)
- Jito bundles (Solana)
- MEV-Blocker fallback

2.2.4 Smart Order Router (SOR)

Purpose: Optimal execution across fragmented liquidity

Algorithm:

Liquidity Discovery - Real-time DEX liquidity via subgraphs/substreams
Path Finding - Multi-hop routing with Dijkstra/CowSolver
Order Splitting - Optimal order size distribution across venues
Execution Building - Transaction bundle construction

Cross-Chain Routing:

Chainlink CCIP for EVM-to-EVM messaging
IBC protocol for Cosmos ecosystem
Wormhole/Axelar as fallbacks

3. Technology Stack

3.1 Core Infrastructure

Layer	Technology	Purpose
Runtime	Rust + Tokio	Async runtime for high-concurrency, low-latency operations
Serialization	Protobuf + rkyv	Efficient wire format and zero-copy deserialization
Networking	Tonic (gRPC) + axum (HTTP)	High-performance RPC and REST APIs
State Management	Redis Cluster	Hot cache for session, rate limiting, and liquidity state
Persistence	PostgreSQL + ClickHouse	Relational data and time-series analytics
Message Bus	Apache Kafka	Event streaming between components
Observability	Prometheus + Grafana + Jaeger	Metrics, dashboards, and distributed tracing

3.2 Blockchain Integration

Chain	Client/Provider	Integration Method
Ethereum	Reth (self-hosted) + Alchemy (fallback)	JSON-RPC + WebSocket subscriptions
Arbitrum	Nitro node	Direct node connection
Base	Geth node	Standard EVM interface
Solana	Firedancer (via Helius)	gRPC + WebSocket
Cosmos/Provenance	Cosmos SDK node	Tendermint RPC + IBC relayer

3.3 Specialized Libraries

Domain	Library	Purpose
EVM	`revm`, `ethers-rs`, `foundry-evm`	EVM execution, contract interaction, testing
Solana	`solana-sdk`, `anchor-lang`	Program interaction and account management
Cosmos	`cosmrs`, `ibc-rs`	Chain interaction and IBC protocol
Cryptography	`ring`, `dalek-cryptography`	Signature verification and encryption
MPC	`threshold_crypto`	Threshold signature schemes for custody
ZK	`halo2`, `arkworks`	Zero-knowledge proof verification

3.4 DevOps & Infrastructure

Component	Technology	Purpose
Containerization	Docker + BuildKit	Reproducible builds
Orchestration	Kubernetes (EKS)	Container orchestration
IaC	Terraform + Pulumi	Infrastructure as code
CI/CD	GitHub Actions	Automated testing and deployment
Secrets	HashiCorp Vault	Secret management
DDoS Protection	Cloudflare	Edge security and caching

4. Main Tools & Their Applications

4.1 Rust Ecosystem Tools

Tokio

What: Async runtime for Rust Used For:

Managing thousands of concurrent connections
Non-blocking I/O for blockchain RPC calls
Task scheduling with work-stealing thread pool Key Features: tokio::spawn, tokio::select!, tokio::time::interval

Tonic

What: gRPC implementation for Rust Used For:

High-performance internal service communication
Streaming price feeds to clients
Bidirectional RPC for order submission Key Features: tonic::transport::Server, protobuf code generation

Axum

What: Web framework for Rust Used For:

REST API endpoints for reporting and management
WebSocket handlers for real-time data
Middleware for auth and logging Key Features: Router, extract, middleware::from_fn

ethers-rs / alloy

What: Ethereum interaction library Used For:

Contract calls and event listening
Transaction signing and broadcasting
ABI encoding/decoding Key Features: Provider, Contract, Wallet, Middleware

revm

What: Rust EVM implementation Used For:

Local transaction simulation (MEV protection)
Gas estimation with current state
Smart contract testing Key Features: EVM::execute, Database trait for state access

4.2 Blockchain Infrastructure Tools

Reth (Rust Ethereum)

What: High-performance Ethereum full node in Rust Used For:

Self-hosted Ethereum mainnet connection
Low-latency mempool access
Historical state queries Advantage: Memory-safe, high-performance, Rust-native integration

Anvil (Foundry)

What: Local Ethereum testnet Used For:

MEV simulation environment (fork mainnet state)
Integration testing
Gas profiling Integration: Spawn as child process, fork at specific block height

Helius (Solana)

What: Solana RPC provider with enhanced APIs Used For:

Firedancer-optimized Solana access
Enhanced transaction simulation
Priority fee estimation

Chainlink CCIP

What: Cross-chain interoperability protocol Used For:

Cross-chain RWA token transfers
Message passing between EVM chains
Token bridging with rate limiting

4.3 Data & Storage Tools

Redis Cluster

What: In-memory data structure store Used For:

Session management and API key caching
Rate limiting counters (sliding window)
Liquidity pool state caching
Pub/sub for internal events Key Structures: Hash (pool states), Sorted Set (rate limits), Stream (events)

PostgreSQL

What: Relational database Used For:

User and organization data
Transaction audit logs (structured)
Compliance case management
Configuration storage

ClickHouse

What: Columnar time-series database Used For:

High-volume event ingestion (millions/sec)
Analytics queries (latency percentiles, volume trends)
Compliance reporting aggregations

Apache Kafka

What: Distributed event streaming platform Used For:

Event sourcing between microservices
Audit log streaming to S3
Real-time compliance event processing

4.4 Observability Tools

Prometheus

What: Metrics collection and alerting Used For:

Latency histograms (p50, p99)
Request rate and error rate tracking
Business metrics (TVL routed, compliance decisions)

Grafana

What: Visualization and dashboards Used For:

Real-time system health monitoring
Client-facing analytics dashboards
Compliance officer review interfaces

Jaeger

What: Distributed tracing system Used For:

End-to-end request tracing (intake → execution)
Latency bottleneck identification
Cross-service dependency mapping

4.5 Security & Compliance Tools

Chainalysis KYT

What: Blockchain surveillance API Used For:

Real-time address risk scoring
Transaction clustering and attribution
Sanctions screening (OFAC, UN)

HashiCorp Vault

What: Secrets management system Used For:

API key encryption at rest
Dynamic database credentials
PKI certificate management
Encryption key rotation

OpenZeppelin Defender

What: Smart contract security platform (optional) Used For:

Automated security monitoring
Admin action multisig workflows
Incident response automation

5. Data Flow Examples

5.1 Institutional Order Flow (Happy Path)

1. Client → POST /v1/order (gRPC)
   └─ Protobuf: OrderRequest { market, side, size, price_limit }

2. Intake Processor
   └─ Auth (API key + HMAC signature) → 8μs
   └─ Rate limit check (Redis) → 2μs
   └─ Schema validation → 5μs

3. Compliance Engine
   └─ VASP rule check (HK jurisdiction) → 15μs
   └─ AML screen (Chainalysis cache) → 25μs
   └─ Risk score calculation → 10μs
   └─ Decision: ALLOW

4. MEV Protection
   └─ Mempool snapshot → 20μs
   └─ Anvil simulation (fork at latest) → 150ms
   └─ Attack probability: 0.02 (SAFE)
   └─ Route to Flashbots Protect

5. Smart Order Router
   └─ Liquidity scan (Redis cache) → 5μs
   └─ Path find (3-hop optimal) → 50μs
   └─ Split: 60% Uniswap V3, 40% Curve

6. Execution
   └─ Build transaction bundle
   └─ Sign with MPC threshold (2-of-3)
   └─ Submit to Flashbots Relay
   └─ Monitor inclusion (12s target)

7. Settlement & Reporting
   └─ Kafka event: OrderExecuted
   └─ ClickHouse: Latency metrics
   └─ PostgreSQL: Audit log
   └─ Client Webhook: Execution confirmation

Total Latency (pre-chain): <350μs

5.2 Compliance Review Flow (Exception Path)

1. Order triggers velocity limit (>$1M in 1 hour)

2. Compliance Engine
   └─ Decision: REVIEW
   └─ Queue in PostgreSQL (case management)
   └─ Notify compliance officers (PagerDuty)

3. Dual Officer Approval
   └─ Officer A reviews (web dashboard)
   └─ Officer B approves (cryptographic signature)
   └─ 2-of-2 threshold met

4. Resume to MEV Protection → Execution

5. Audit Trail
   └─ Full decision tree logged (Vault tamper-proof)
   └─ HKMA report format generated
   └─ 7-year retention (S3 Glacier)

6. API Specifications

6.1 gRPC Services

service SentinelExecution {
  // Submit order for execution
  rpc SubmitOrder(OrderRequest) returns (OrderResponse);
  
  // Stream price updates
  rpc StreamPrices(PriceStreamRequest) returns (stream PriceUpdate);
  
  // Get compliance status
  rpc GetComplianceStatus(ComplianceQuery) returns (ComplianceReport);
  
  // Submit dual-officer approval
  rpc SubmitApproval(ApprovalRequest) returns (ApprovalResponse);
}

message OrderRequest {
  string client_order_id = 1;
  string market = 2;  // e.g., "ETH-USDC"
  Side side = 3;
  string size = 4;  // Decimal as string for precision
  OrderType order_type = 5;
  uint64 price_limit = 6;  // Optional for limit orders
  TimeInForce tif = 7;
  MevProtection mev_protection = 8;  // ON | OFF | AGGRESSIVE
}

message OrderResponse {
  string order_id = 1;
  OrderStatus status = 2;
  string tx_hash = 3;  // If executed
  uint64 latency_micros = 4;
  repeated Route routes = 5;
  ComplianceSummary compliance = 6;
}

6.2 REST Endpoints

Endpoint	Method	Purpose
`/v1/health`	GET	Service health check
`/v1/orders/{id}`	GET	Order status and fill details
`/v1/trades`	GET	Trade history (paginated)
`/v1/compliance/reports`	GET	Generate compliance reports
`/v1/analytics/latency`	GET	Latency percentiles
`/v1/admin/limits`	PUT	Update client rate limits

6.3 WebSocket Channels

Channel	Direction	Payload
`prices.{market}`	Server → Client	Bid/ask/last price updates
`orders.{client_id}`	Server → Client	Order status changes
`compliance.alerts`	Server → Client	Real-time compliance events
`mempool.watch`	Server → Client	High-value mempool transactions

7. Deployment Architecture

7.1 AWS Infrastructure

┌────────────────────────────────────────────────────────────────┐
│                        AWS VPC                                 │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                    Public Subnet                        │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐      │   │
│  │  │  NLB        │  │  CloudFlare │  │  Bastion    │      │   │
│  │  │  (TLS term) │  │  (DDoS)     │  │  (Jump)     │      │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘      │   │
│  └─────────────────────────────────────────────────────────┘   │
│                              │                                 │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                   Private Subnet (App)                  │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐      │   │
│  │  │  Sentinel   │  │  Sentinel   │  │  Sentinel   │      │   │
│  │  │  Gateway    │  │  Gateway    │  │  Gateway    │      │   │
│  │  │  (AZ-a)     │  │  (AZ-b)     │  │  (AZ-c)     │      │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘      │   │
│  │         │                │                │             │   │
│  │         └────────────────┴────────────────┘             │   │
│  │                          │                              │   │
│  │                    ┌─────────┐                          │   │
│  │                    │   EKS   │                          │   │
│  │                    │  (K8s)  │                          │   │
│  │                    └─────────┘                          │   │
│  └─────────────────────────────────────────────────────────┘   │
│                             │                                  │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                   Private Subnet (Data)                 │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐      │   │
│  │  │  ElastiCache│  │  RDS        │  │  MSK        │      │   │
│  │  │  (Redis)    │  │ (PostgreSQL)│  │  (Kafka)    │      │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘      │   │
│  │  ┌─────────────┐  ┌─────────────┐                       │   │
│  │  │  ClickHouse │  │  Vault      │                       │   │
│  │  │  (EC2)      │  │  (HCP)      │                       │   │
│  │  └─────────────┘  └─────────────┘                       │   │
│  └─────────────────────────────────────────────────────────┘   │
│                              │                                 │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                   Blockchain VPC Peering                │   │
│  │  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐      │   │
│  │  │  Reth Node  │  │  Solana     │  │  Cosmos     │      │   │
│  │  │  (Ethereum) │  │  Validator  │  │  Validator  │      │   │
│  │  └─────────────┘  └─────────────┘  └─────────────┘      │   │
│  └─────────────────────────────────────────────────────────┘   │
└────────────────────────────────────────────────────────────────┘

7.2 High Availability Design

Multi-AZ Deployment: Gateway nodes across 3 availability zones
Auto-scaling: HPA (Horizontal Pod Autoscaler) based on CPU and request queue depth
Failover: Redis Cluster with automatic failover, RDS Multi-AZ
Backup: Cross-region S3 replication for audit logs, daily RDS snapshots
Disaster Recovery: RTO <5 minutes, RPO <1 minute

8. Security Considerations

8.1 Threat Model

Threat	Mitigation
Private key theft	MPC threshold signatures (2-of-3), HSM backup
API key compromise	Short-lived JWTs, IP whitelisting, rate limiting
MEV attacks on clients	Simulation sandbox, private relays, time-delayed execution
Compliance evasion	Immutable audit logs, tamper-proof evidence chains
DDoS	CloudFlare, AWS Shield, rate limiting, circuit breakers
Supply chain attacks	Reproducible builds, dependency pinning, SLSA compliance

8.2 Cryptographic Design

Transport: TLS 1.3 for all external communication, mTLS for internal
Authentication: Ed25519 API keys with HMAC-SHA256 request signing
Signing: MPC threshold signatures (t-of-n) for transaction signing
Storage: AES-256-GCM for data at rest, envelope encryption with Vault

9. Development Roadmap

Phase 1: Core Engine (Weeks 1-6)

Extend Lobby with MEV simulation
Build compliance policy DAG
Implement intake processor with <50μs target
Redis cluster setup and integration

Phase 2: Blockchain Integration (Weeks 7-12)

Reth node deployment and optimization
EVM chain integrations (Ethereum, Arbitrum, Base)
Flashbots Protect integration
Smart order router with basic path finding

Phase 3: Compliance & Multi-chain (Weeks 13-18)

Chainalysis KYT integration
Dual-officer approval workflow
Solana (Helius) integration
Cosmos/IBC prototype

Phase 4: Production Hardening (Weeks 19-24)

AWS EKS deployment
Observability stack (Prometheus, Grafana, Jaeger)
Security audit and penetration testing
Load testing (10k TPS target)
Documentation and client SDKs

10. Success Metrics

Metric	Target	Measurement
Intake Latency	<50μs p99	Prometheus histogram
End-to-End Latency	<350μs p99	Jaeger traces
Availability	99.99%	Uptime monitoring
Throughput	10,000 TPS	Load testing
MEV Protection Rate	>99%	Attack simulation tests
Compliance Decision Time	<100μs	Policy engine metrics
Client Acquisition	3 HK VASPs	Sales pipeline

11. References & Further Reading

Technical Standards

Relevant Research

"MEV Protection in DeFi" - Flashbots Research
"RWA Tokenization Infrastructure" - State of RWA 2026
"High-Frequency Trading on Blockchain" - Paradigm Research

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