1. CelerFi RPC - Stellar-Native Infrastructure

Product: Production-grade JSON-RPC 2.0 service providing 45+ methods for Stellar mainnet and testnet access, replacing the deprecated Horizon API with modern, high-performance infrastructure.

How Stellar Is Used:

• Direct integration with Captive Stellar Core for real-time ledger ingestion

• Native support for Stellar-specific operations: account management, trustlines, claimable balances, liquidity pools, and path payments

• Full Soroban smart contract support via InvokeHostFunction processing

• XDR encoding/decoding for low-level Stellar data structures

• Complete historical data access from genesis (ledger 1) via archive nodes publishing to Stellar history archives every 64 ledgers

Key Features:

• TurboStream: gRPC and WebSocket streaming with 1-5ms latency from the ledger close to the client, leveraging native Captive Core integration

• FastExec: Multi-path transaction submission with intelligent routing to current Stellar validators and automatic fee optimization for surge pricing

• Webhook Delivery: HMAC-SHA256 signed push notifications to HTTP endpoints, databases (PostgreSQL, Snowflake), object storage (S3), and message queues (Kafka)

• Multi-layer caching: L1 (in-memory), L2 (Redis), L3 (CDN) optimized for Stellar's 3-5 second ledger close times

Impact on Stellar Ecosystem:

• Developer Experience: Eliminates the need to manage deprecated Horizon infrastructure, providing modern JSON-RPC interface with 5-15ms P95 response times (3-5x faster than typical Horizon deployments)

• DeFi Growth: Real-time streaming enables sophisticated DeFi applications on Stellar with sub-second data delivery

• Network Reliability: 99.95%+ uptime guarantees support mission-critical payment and financial applications

• Historical Analytics: Complete access from genesis enables block explorers, compliance tools, and research platforms

2. CelerFi Indexer - Stellar DeFi Protocol Indexing

Product: Real-time indexing service with GraphQL API for querying Stellar's classic DEX operations and Soroban smart contract events across major DeFi protocols.

How Stellar Is Used:

• Built on stellar-go/ingest SDK with custom transaction processors

• Indexes Stellar Classic DEX operations: ManageBuyOffer, ManageSellOffer, CreatePassiveSellOffer, PathPaymentStrictReceive, PathPaymentStrictSend

• Parses Soroban contract events from transaction metadata for supported protocols: Soroswap, Aquarius, LumenSwap, Phoenix DeFi Hub, Scopuly, Balanced Exchange, Blend

• Processes contract function calls (swap, deposit, withdraw) and event topics (trade, update_reserves)

• Reconstructs complex multi-hop swap paths and derives accurate price data from Stellar's order book

Key Features:

• Golang Indexer: High-throughput ingestion from Stellar archive node RPC with catch-up mode (from genesis) and real-time mode

• PostgreSQL Data Store: Normalized, queryable historical data for all indexed protocols

• Kafka Pipeline: Real-time event streaming to GraphQL subscriptions with sub-second delivery

• GraphQL API: Flexible querying interface for swaps, liquidity changes, TVL calculations, and cross-protocol analytics

Impact on Stellar Ecosystem:

• DeFi Visibility: Comprehensive indexing of Stellar's DeFi protocols enables analytics platforms, portfolio trackers, and aggregators

• Protocol Adoption: Standardized data access reduces integration complexity for wallets and frontends, driving increased protocol usage

• Cross-Chain Insights: Historical data access supports comparative analysis, positioning Stellar DeFi in multi-chain strategies

• Developer Acceleration: Pre-indexed protocol data eliminates the need for each team to build custom indexing infrastructure, reducing time-to-market by weeks

3. Developer SDKs & Documentation

Product: Official TypeScript/JavaScript and Python SDKs with comprehensive API documentation and code examples.

How Stellar Is Used:

• SDKs wrap Stellar-specific data types (accounts, assets, operations, effects)

• Native handling of Stellar's base64-encoded XDR structures

• Helper functions for common Stellar patterns (multi-sig, path payments, Soroban invocations)

• Automatic retry logic adapted to Stellar's consensus finality (3-5 seconds)

Key Features:

• TypeScript SDK: Full type safety for all RPC methods and subscription events

• Python SDK: Async/await support for streaming ledger data

• Code Examples: 20+ working examples for common use cases (account monitoring, DEX trading, contract interaction)

• Migration Guides: Step-by-step documentation for teams moving from Horizon API

Impact on Stellar Ecosystem:

• Onboarding Velocity: Reduces learning curve for new Stellar developers with familiar JSON-RPC patterns

• Code Quality: Type-safe SDKs reduce integration bugs and improve developer confidence

• Standards Adoption: Establishes best practices for Stellar data access that can be adopted ecosystem-wide

Total Scope: Production RPC infrastructure + real-time DeFi indexer + developer tooling, all optimized specifically for Stellar's ledger architecture and consensus protocol.

Yes

$150.0K

Tranche 1 (MVP) - Month 1 Success Metrics

Technical Outputs:

• 30+ RPC methods operational with 99.9% uptime

• 100+ active developer accounts testing the infrastructure

• Sub-50ms P95 response times for account/transaction queries

• 3 DeFi protocols indexed (Stellar DEX, Soroswap, Aquarius) with real-time updates

• Both testnet and mainnet nodes synchronized across 3 regions

• 10+ code examples published in documentation

Ecosystem Impact:

• Developer Accessibility: Stellar developers gain immediate access to modern JSON-RPC infrastructure, eliminating dependency on deprecated Horizon API

• Geographic Inclusion: Africa region deployment provides low-latency access for underserved developer communities, reducing infrastructure barriers in emerging markets

• DeFi Transparency: Real-time indexing of core Stellar DEX and top 2 Soroban DEXes enables better price discovery and market analysis

• Innovation Enablement: Developers can begin building next-generation Stellar applications without waiting for full infrastructure maturity

Tranche 2 (Testnet) - Month 2 Success Metrics

Technical Outputs:

• 250+ active developer accounts using enhanced features

• 1,000+ concurrent WebSocket connections supported

• TurboStream gRPC with sub-5ms latency operational

• 5+ DeFi protocols indexed with GraphQL subscriptions

• 10,000+ requests/minute sustained across all regions

• 20+ GraphQL query types available

• TypeScript SDK v1.0 and Python SDK beta published

• Webhook delivery system processing 1,000+ events/minute

Ecosystem Impact:

• Real-Time Applications: Sub-5ms streaming latency enables high-frequency trading bots, real-time portfolio trackers, and instant notification systems previously impossible on Stellar

• DeFi Ecosystem Growth: Indexing 5+ protocols provides comprehensive DeFi data layer, allowing aggregators, analytics platforms, and comparison tools to serve Stellar users

• Developer Productivity: Complete SDKs reduce integration time from weeks to days, accelerating time-to-market for new Stellar applications

• Cross-Chain Competitiveness: Performance parity with other blockchain infrastructures makes Stellar attractive for multi-chain projects

• Financial Access: Webhook delivery to databases and analytics tools enables fintech companies to build Stellar-based payment solutions with enterprise-grade data pipelines

Tranche 3 (Mainnet) - Month 3 Success Metrics

Technical Outputs:

• 500+ active developer accounts and businesses using production infrastructure

• 25+ production applications launched on CelerFi infrastructure

• All 45+ RPC methods operational with 99.95% uptime

• Sub-10ms P50 latency, sub-25ms P95 latency sustained

• 10+ DeFi protocols indexed with complete historical data from genesis

• FastExec achieving >97% transaction success rate

• 50,000+ requests/minute handled without degradation

• 30+ code examples and complete documentation published

• 10+ wallets/tools integrated with CelerFi RPC

• GraphQL API processing 5,000+ queries/minute

Ecosystem Impact:

• Horizon API Replacement: Provide production-ready alternative as Horizon sunsets, preventing ecosystem disruption and developer migration away from Stellar

• DeFi TVL Growth: Comprehensive protocol indexing and analytics drives increased liquidity and user engagement in Stellar DeFi, measurable through 10-20% TVL increase across indexed protocols

• Enterprise Adoption: 99.95% uptime and sub-10ms latency meet enterprise SLA requirements, enabling institutional payment processors and financial services to build on Stellar

• Developer Ecosystem Expansion: 500+ active developers represents 5-10% growth in active Stellar developer base, with 25+ new applications expanding use case diversity

• Payment Corridor Innovation: Real-time data access and webhook delivery enable new payment routing algorithms and cross-border remittance platforms, advancing Stellar's core mission of financial inclusion

• Geographic Accessibility: Africa infrastructure reduces latency by 50-70% for developers in emerging markets (Cape Town, Lagos, Nairobi), enabling local payment solutions and remittance applications

• Open-Source Contribution: SDKs and tools become community resources, reducing barrier to entry for new Stellar developers and accelerating overall ecosystem growth

Long-Term Ecosystem Impact (6-12 Months Post-Grant)

Quantitative Outcomes:

• 1,000+ active developer accounts using CelerFi infrastructure

• 100+ production applications built on CelerFi RPC and Indexer

• 50+ enterprise integrations including wallets, exchanges, payment processors

• 20+ DeFi protocols indexed covering >80% of Stellar DeFi TVL

• 100 million+ API requests/month demonstrating sustained usage

• 10+ new Soroban protocols launched using CelerFi indexer for their data layer

Qualitative Ecosystem Transformation:

1. Financial Inclusion Impact:

• Payment Infrastructure: Real-time settlement tracking enables micro-payment applications and remittance services serving unbanked populations

• Cross-Border Accessibility: Multi-region infrastructure with Africa focus supports payment corridors between emerging markets (Africa-Asia, Africa-LatAm)

• Reduced Infrastructure Costs: 70% cost reduction vs. traditional providers (through unified platform) makes Stellar accessible to bootstrap startups in developing economies

• Mobile-First Applications: Low-latency API enables mobile wallet applications optimized for low-bandwidth environments common in emerging markets

2. DeFi Ecosystem Maturity:

• Liquidity Aggregation: Comprehensive protocol indexing enables DEX aggregators that find best prices across Stellar's DeFi ecosystem, increasing capital efficiency

• Yield Optimization: Real-time data access allows automated yield farming strategies, attracting liquidity to Stellar protocols

• Risk Analytics: Historical data from genesis enables risk assessment tools for lending protocols, supporting safer DeFi growth

• Market Making: Sub-5ms streaming latency enables professional market makers on Stellar DEXes, tightening spreads and improving liquidity depth

3. Developer Experience Revolution:

• Onboarding Acceleration: Complete documentation and SDKs reduce "first transaction" time from 2-3 days to <2 hours for new Stellar developers

• Multi-Chain Strategy: Unified infrastructure pattern (if expanded to other chains) positions Stellar as default choice for multi-chain applications

• Innovation Velocity: Eliminating infrastructure complexity allows teams to focus on product differentiation, accelerating Stellar application innovation

• Community Knowledge: Open-source tools and shared learnings elevate entire Stellar developer community's technical capabilities

4. Enterprise Adoption Enablement:

• Compliance Infrastructure: Complete historical data access supports KYC/AML compliance requirements for regulated financial institutions

• SLA Guarantees: 99.95%+ uptime meets enterprise reliability standards, removing barrier for large-scale payment processors

• Audit Readiness: Immutable historical records support financial auditing requirements for institutional adoption

• Security Monitoring: Real-time alerts and monitoring enable enterprise risk management frameworks

5. Network Effect Amplification:

• Data Standardization: GraphQL schemas become de facto standard for Stellar DeFi data, enabling ecosystem-wide tool compatibility

• Reduced Fragmentation: Consolidating infrastructure reduces ecosystem fragmentation, allowing resources to focus on application innovation

• Ecosystem Stickiness: Comprehensive tooling increases switching costs, retaining developers in Stellar ecosystem long-term

• Talent Pipeline: Better developer experience attracts talent from other blockchain ecosystems, expanding Stellar's builder base

Measurable Impact Indicators:

Network Activity Growth:

• 15-25% increase in daily active addresses on Stellar (correlation with improved data access)

• 20-30% increase in Soroban contract invocations (enabled by better indexing and tooling)

• 10-20% increase in Stellar DeFi TVL across indexed protocols (driven by better visibility and tooling)

• 5-10% reduction in failed transaction rate (through FastExec optimization)

Developer Ecosystem Health:

• 30+ new GitHub repositories built on CelerFi infrastructure

• 50+ community-contributed code examples and integrations

• 10+ technical blog posts and tutorials from community members

• 500+ Discord community members actively discussing technical topics

• 90%+ developer satisfaction rating in quarterly surveys

Competitive Positioning:

• Performance parity or advantage vs. other blockchain infrastructures (Ethereum, Solana)

• Cost advantage maintained: 50-70% lower than comparable services on other chains

• Feature completeness: 100% coverage of Stellar-specific operations (trustlines, claimable balances, path payments)

• Reliability leadership: 99.95%+ uptime exceeding industry standard 99.9%

Social Impact Metrics:

• Number of payment applications serving emerging markets (target: 10+)

• Cross-border payment corridors enabled (target: 5+ new corridors)

• Remittance cost reduction for applications built on infrastructure (target: 20-30% vs. traditional methods)

• Number of developers from underrepresented regions onboarded (target: 200+ from Africa, Asia, LatAm)

Success Definition:

We consider this project successful if:

1. Infrastructure Replacement: CelerFi becomes a primary alternative to deprecated Horizon API, supporting 5%+ of Stellar network queries by Month 6

2. Developer Adoption: 500+ active developers and 25+ production applications choose CelerFi as their infrastructure provider

3. Ecosystem Growth: Measurable increase in Stellar network activity (transactions, contracts, DeFi TVL) correlated with improved data infrastructure

4. Performance Leadership: Maintaining sub-10ms latency and 99.95%+ uptime, establishing new performance standard for Stellar infrastructure

5. Financial Inclusion: At least 5 payment/remittance applications serving emerging markets launched using CelerFi infrastructure

6. Community Contribution: Open-source SDKs and tools become widely adopted community resources, cited in Stellar documentation

7. Sustainable Model: Clear path to self-sustainability through transparent pricing, enabling long-term infrastructure maintenance without ongoing grants

Ultimately, success means: Stellar developers spend less time managing infrastructure and more time building innovative applications that advance financial inclusion and expand access to global financial services.

Phase 1: Technical Launch & Developer Onboarding (Month 4)

Developer Documentation & Resources:

• Comprehensive technical documentation covering all 45+ RPC methods and GraphQL queries

• Interactive API playground for testing endpoints without writing code

• Video tutorial series demonstrating common integration patterns (account monitoring, transaction submission, DeFi data queries)

• Migration guides for teams currently using Horizon API or other RPC providers

• Performance benchmarking documentation comparing CelerFi to existing solutions

Technical Support Infrastructure:

• Discord server with dedicated technical support channels for real-time developer assistance

• GitHub repository with open-source SDK code, issue tracking, and community contributions

• Stack Overflow tag monitoring for CelerFi-related technical questions

• Weekly office hours for developers building on the platform

• Technical FAQ and troubleshooting documentation

Integration Support:

• Direct technical assistance for the first 50 production integrations

• Code review support for teams migrating from Horizon API

• Custom integration guidance for complex use cases (high-frequency trading, analytics platforms, wallets)

• Sample applications demonstrating best practices (block explorer, portfolio tracker, DEX interface)

Phase 2: Ecosystem Integration (Month 5-6)

Stellar Wallet Integration:

• Technical collaboration with major Stellar wallets (Freighter, Lobstr, Rabet) to integrate CelerFi RPC as an optional endpoint

• Provide custom RPC configurations optimized for wallet use cases

• Technical support for wallet teams during integration testing

DeFi Protocol Integration:

• Technical outreach to indexed protocols (Soroswap, Aquarius, etc.) to offer direct integration support

• Provide protocol-specific GraphQL query optimization

• Collaborate on custom indexing requirements for new protocol features

• Offer dedicated RPC endpoints for high-traffic protocols

Developer Tool Integration:

• Integration with Stellar development tools and frameworks

• Contribute to open-source Stellar tools (stellar-sdk, soroban-cli integrations)

• Provide plugins for popular development environments

• Technical collaboration with Stellar block explorers to use CelerFi indexer data

Analytics Platform Enablement:

• Technical support for analytics platforms building on Stellar (DeFiLlama, DeBank, etc.)

• Provide bulk historical data access for initial indexing

• Custom query optimization for analytics workloads

• GraphQL schema enhancements based on analytics platform needs

Phase 3: Performance Optimization & Scaling (Month 6+)

Technical Validation:

• Publish performance benchmarks and comparison studies

• Share infrastructure architecture documentation for transparency

• Open-source key components (SDK, indexer processors) for community review

• Regular technical blog posts about Stellar infrastructure optimization

Developer Feedback Loop:

• Quarterly developer surveys to identify pain points and feature requests

• Public roadmap with community voting on priority features

• Beta testing program for new features with active developers

• Technical advisory board from active Stellar developers

Global Infrastructure Expansion:

• Gradual addition of new regions based on the developer geographic distribution

• Network performance monitoring and optimization based on usage patterns

• Auto-scaling implementation to handle traffic growth

• Regional optimization for specific use cases (payment corridors, trading hubs)

Advanced Features Development:

• Custom indexing support for specialized use cases

• Enhanced analytics and aggregation queries

• Advanced filtering and subscription options

• Multi-chain expansion based on developer demand (starting with EVM chains)

Phase 4: Sustainability & Growth (Month 6+)

Pricing Model Launch:

• Gradual transition from free beta to transparent credit-based pricing

• Free tier maintained for small developers and testing

• Enterprise tier with custom SLAs for production applications

• Educational tier for bootcamps and learning platforms

Technical Ecosystem Growth:

• Contribute improvements to stellar-go/ingest SDK for community benefit

• Share performance optimization techniques with the Stellar Core team

• Participate in Stellar protocol development discussions

• Support Stellar Ecosystem Proposals (SEPs) with technical implementation

Developer Education:

• Workshop materials for Stellar bootcamps and hackathons

• Technical writing program (blog posts, tutorials, guides)

• Conference technical talks sharing infrastructure learnings

• University partnerships for blockchain education programs

Community Technical Contributions:

• Open-source infrastructure tools (monitoring, deployment scripts, configuration templates)

• Contribute to Stellar documentation with real-world examples

• Support Stellar core infrastructure development

• Technical mentorship for developers building on Stellar

Success Metrics (Post-Launch):

Technical Adoption:

• 500+ active developer accounts by Month 6

• 50+ production applications using CelerFi infrastructure

• 20+ wallets/tools integrated with CelerFi RPC

• 10+ DeFi protocols using CelerFi indexer for their frontends

Infrastructure Performance:

• Maintain 99.95%+ uptime across all regions

• Sub-10ms P50 latency sustained under production load

• 50,000+ requests/minute handled without degradation

• Zero data loss or indexing gaps

Developer Satisfaction:

• 90%+ satisfaction rating in developer surveys

• <2 hour average response time for technical support

• 95%+ of GitHub issues resolved within 1 week

• Active community engagement on Discord (500+ members)

Ecosystem Impact:

• Measurable increase in Stellar DeFi TVL from improved data access

• New applications built that wouldn't be possible without the CelerFi infrastructure

• Reduced barriers to entry for new Stellar developers

• Positive feedback from Stellar Foundation on ecosystem contribution

Technical Development Progress

Infrastructure Architecture Completed:

• Comprehensive technical specifications finalized for Stellar RPC (45+ JSON-RPC methods, TurboStream, FastExec)

• Complete indexer architecture designed using stellar-go/ingest SDK with custom Soroban contract processors

• Multi-layer caching strategy optimized for Stellar's 3-5 second ledger close times

• WebSocket and gRPC streaming protocols designed for Stellar's ledger structure

Beta Launch Program:

• Launch Date: November 17, 2025

• Duration: 6-week comprehensive beta testing program

• Target: 1,000 developers and businesses testing Stellar infrastructure

• Networks: Both testnet and mainnet available from day one

• Deployment: 3-region infrastructure including Africa (Cape Town), US-East (N. Virginia), and EU (Frankfurt)

• Scope: Full RPC service (45+ methods), TurboStream real-time streaming, and DeFi protocol indexing

Pre-Beta Infrastructure Deployment:

• Stellar Mainnet: Production-grade Full Nodes and Archive Nodes operational before November 17

• Stellar Testnet: Complete infrastructure with historical data from genesis

• Global Coverage: Multi-region deployment ensuring low-latency access for developers worldwide

• Testing Ready: Core RPC endpoints, WebSocket subscriptions, and GraphQL indexer functional for immediate developer testing

Developer Community Building:

• 100+ developers in technical community providing feedback on API design and feature requirements

• Active technical discussions on Stellar-specific optimizations (XDR handling, Soroban event parsing, trustline queries)

• Developer-driven roadmap with prioritized features based on real Stellar development pain points

Strategic Positioning:

• Multi-chain expansion: Adding Stellar as a primary supported blockchain alongside existing infrastructure development

• Stellar selected for beta due to: (1) clear need to replace deprecated Horizon API, (2) growing DeFi ecosystem requiring indexing, (3) regulatory clarity attracting institutional developers, (4) strong developer community in emerging markets

• Technical validation of unified infrastructure approach across different blockchain architectures (EVM vs Stellar's ledger-based model)

Ecosystem Validation:

• YardHub Accelerator backing providing technical mentorship and infrastructure guidance

• Technical advisory from established Web3 infrastructure providers on optimal node configurations, performance tuning, and scaling strategies

• Infrastructure partnerships being finalized to support global deployment and developer onboarding

Technical Artifacts:

• Detailed technical documentation covering Stellar-specific implementation

• API specifications with 45+ RPC methods and 8+ WebSocket subscription types

• Complete infrastructure architecture for production deployment across 3 regions

• Infrastructure-as-code templates for deploying Stellar Full Nodes and Archive Nodes

• Comprehensive webhook delivery system specification with HMAC-SHA256 security

Beta Success Metrics (6-Week Program):

• Developer Adoption: 1,000+ active developer accounts and business users

• API Performance: Sub-10ms P50 latency, sub-50ms P95 latency for account queries

• Service Reliability: 99.95%+ uptime across all regions

• Protocol Coverage: 5+ major Stellar DeFi protocols indexed (Soroswap, Aquarius, LumenSwap, Phoenix DeFi Hub, Blend)

• Data Throughput: Real-time indexing with <2 second delay from ledger close

• Historical Access: Complete mainnet data from genesis available via TurboStream

• Developer Feedback: Documented integration patterns and use cases from beta participants

Post-Beta Technical Validation:

• 50+ documented API integrations with sample applications

• Performance benchmarks published comparing to existing Horizon deployments

• At least 10 production applications committed to using CelerFi infrastructure

• Community-contributed SDK examples and integration guides

Timeline: Month 1 (4 weeks)

Deliverable 1: Core Stellar RPC Service (3 Regions, Testnet & Mainnet)

Description: Deploy production-ready RPC infrastructure with 30 core JSON-RPC methods covering Stellar's essential operations. Infrastructure deployed in 3 regions (Africa/Cape Town, US-East/N. Virginia, EU/Frankfurt) with Full Nodes and Archive Nodes for both testnet and mainnet.

Stellar-Specific Implementation:

• Captive Stellar Core integration for real-time ledger ingestion

• Native support for Stellar operations: accounts, transactions, ledgers, trustlines, offers, claimable balances

• XDR encoding/decoding for Stellar data structures

• Historical data access from Genesis via archive node integration

• Basic Soroban smart contract support (getEvents, getContractData, simulateTransaction)

Completion Criteria:

• 30+ RPC methods operational and documented

• Sub-50ms P95 response time for account/ledger queries

• 99.9% uptime during MVP period

• Both testnet and mainnet nodes synchronized across all 3 regions

• API endpoints accessible via our developer dashboard

• Multi-region load balancing is operational

Deliverable 2: Basic Stellar DeFi Indexer (3 Regions)

Description: Deploy a foundational indexing service for 3 major Stellar DeFi protocols with a GraphQL API for querying swaps and liquidity events.

Stellar-Specific Implementation:

• Custom transaction processors using stellar-go/ingest SDK

• Indexing Stellar Classic DEX operations (ManageBuyOffer, ManageSellOffer, PathPaymentStrictReceive)

• Basic Soroban contract event parsing for 3 protocols: Stellar DEX, Soroswap, Aquarius

• PostgreSQL data storage with normalized protocol data

• GraphQL API with basic query capabilities

Completion Criteria:

• 3 DeFi protocols fully indexed (Stellar Classic DEX, Soroswap, Aquarius)

• GraphQL API with 10+ query types is operational

• Real-time updates with < 5-second latency from ledger close

• Historical data queryable from protocol deployment

• GraphQL endpoint is available and can be viewed in our developer docs.

Deliverable 3: Developer SDK Foundation (TypeScript)

Description: Create a foundational TypeScript SDK with basic RPC method wrappers and type definitions.

Stellar-Specific Implementation:

• SDK wrappers for core Stellar data types (accounts, ledgers, transactions)

• Basic XDR handling helpers

• Connection management with automatic region selection

• Error handling adapted to Stellar response patterns

Completion Criteria:

• TypeScript SDK package with 30+ method wrappers

• Type definitions for all Stellar data structures

• Basic documentation with 5+ code examples

• Published to npm as a beta version

Budget Breakdown:

Team Compensation (1 month): $14,500

• Infrastructure and Platform Engineers (2 personnel): $6,000

• Senior Backend & Blockchain Engineers (2 personnel): $4,000

• Frontend Engineers (2 personnel): $3,000

• Product Designer (1 personnel): $1,500

Infrastructure Costs (3 regions, 1 month): $35,500

• Amazon EC2 (Compute) - Full Nodes (9 instances across 3 regions): $12,000

  • Africa (Cape Town): $4,200

  • US East (N. Virginia): $3,400

  • EU (Frankfurt): $4,400

• Amazon EC2 (Compute) - Archive Nodes (3 instances): $4,500

  • Africa: $1,600

  • US East: $1,300

  • EU: $1,600

• EBS Storage (io2 Block Express): $4,000

  • Full Nodes (800GB × 3 regions): $2,000

  • Archive Nodes (4TB × 3 regions): $2,000

• Amazon ElastiCache (Redis - caching layer): $8,000

  • Africa: $2,600

  • US East: $2,000

  • EU: $2,400

  • Singapore (minimal): $1,000

• Amazon RDS (PostgreSQL - data store): $4,000

  • Primary instances (3 regions): $3,000

  • Storage: $1,000

• Load Balancers & Networking: $1,500

  • ALB (3 regions): $1,200

  • Data transfer: $300

• Monitoring & CloudWatch: $500

• Contingency (infrastructure scaling): $500

Total Tranche 1: $50,000

Note: In the technical docs, we included a detailed monthly infrastructure cost breakdown for our RPC and Indexing service for global-scale deployment, ensuring multi-region availability from day 1, and you can view them here:

• https://docs.google.com/document/d/1ttbMnq66whCLuZOGlEWxZC24vV7A25c9cEDBc1m3E4M/edit?tab=t.t6v8hix3aln8

• https://docs.google.com/document/d/1ttbMnq66whCLuZOGlEWxZC24vV7A25c9cEDBc1m3E4M/edit?tab=t.zhr3kkjd2mx3

Team Cost: https://docs.google.com/document/d/1ttbMnq66whCLuZOGlEWxZC24vV7A25c9cEDBc1m3E4M/edit?tab=t.5p497dp0srd1

Timeline: Month 2 (4 weeks)

Deliverable 4: Enhanced RPC Features & Real-Time Streaming

Description: Implement TurboStream (gRPC streaming), enhanced WebSocket subscriptions, and a webhook delivery system across all 3 regions.

Stellar-Specific Implementation:

• TurboStream gRPC streaming with 1-5ms latency from the Stellar ledger close

• WebSocket subscriptions for accounts, transactions, ledgers, operations, and payments

• Server-side filtering for Stellar-specific data (by account, asset, operation type)

• Webhook delivery with HMAC-SHA256 signatures

• Batch delivery optimization aligned with Stellar's 3-5 second ledger close times

• Complete FastExec foundation (multi-path transaction submission)

Completion Criteria:

• gRPC streaming endpoints operational with sub-5ms latency

• WebSocket subscriptions supporting 1,000+ concurrent connections

• Webhook delivery system with exponential backoff retry logic

• FastExec intelligent routing to current Stellar validators

• Load testing validated at 10,000+ requests/minute across all regions

• Complete API documentation with streaming examples

Deliverable 5: Expanded DeFi Protocol Indexing (5+ Protocols)

Description: Expand the indexer to cover 5+ major Stellar DeFi protocols with an enhanced GraphQL API and real-time subscriptions.

Stellar-Specific Implementation:

• Add protocol support: LumenSwap, Phoenix DeFi Hub, Blend

• Enhanced Soroban event parsing for complex contract interactions

• Kafka pipeline for real-time event streaming

• GraphQL subscriptions with sub-2-second latency

• Multi-hop swap path reconstruction

• Protocol-specific analytics (TVL, volume, reserves)

Completion Criteria:

• 5+ DeFi protocols indexed (Stellar DEX, Soroswap, Aquarius, LumenSwap, Phoenix DeFi Hub)

• GraphQL API with 20+ query types

• Real-time GraphQL subscriptions are operational

• Kafka pipeline processing 1,000+ events/second

• Historical backfill from protocol genesis complete

• Protocol analytics dashboard

Deliverable 6: Enhanced SDK & Documentation

Description: Complete TypeScript SDK, add Python SDK foundation, and comprehensive documentation.

Stellar-Specific Implementation:

• Complete TypeScript SDK with all RPC methods

• Python SDK with async/await support for streaming

• Advanced XDR handling and encoding/decoding utilities

• Helper functions for multi-sig, path payments, Soroban invocations

• Automatic retry and failover logic

Completion Criteria:

• TypeScript SDK v1.0 published to npm

• Python SDK beta published to PyPI

• 15+ working code examples

• Complete API reference documentation

• Migration guide from Horizon API

• Documentation site at docs.celerfi.network

Budget Breakdown:

Team Compensation (1 month): $14,500

• Infrastructure and Platform Engineers (2 personnel): $6,000

• Senior Backend & Blockchain Engineers (2 personnel): $4,000

• Frontend Engineers (2 personnel): $3,000

• Product Designer (1 personnel): $1,500

Infrastructure Costs (3 regions, 1 month): $35,500

• Amazon EC2 (Compute) - Enhanced capacity: $12,500

  • Additional compute for streaming: $3,000

  • Full Nodes (9 instances): $9,500

• Amazon EC2 (Archive Nodes): $4,500

• EBS Storage (increased for historical data): $4,500

  • Full Nodes storage: $2,000

  • Archive Nodes storage (expanding): $2,500

• Amazon ElastiCache (Redis - increased for streaming): $8,500

  • Enhanced caching for real-time data: $8,500

• Amazon RDS (PostgreSQL - expanded for indexer): $3,500

  • Increased capacity for protocol data: $3,500

• Kafka/Message Queue Services: $1,000

• Load Balancers & Networking: $1,000

• Monitoring & Alerting (enhanced): $500

Total Tranche 2: $50,000

Timeline: Month 3 (4 weeks)

Deliverable 7: Production Mainnet Launch & Full RPC Coverage

Description: Complete production deployment with all 45+ RPC methods, enterprise-grade reliability, security hardening, and FastExec optimization.

Stellar-Specific Implementation:

• Complete RPC method coverage (45+ methods including advanced Soroban operations)

• Production-grade Captive Core configuration with automatic failover

• FastExec transaction optimization with intelligent fee management

• Multi-path submission across multiple Stellar validator endpoints

• Surge pricing detection and automatic fee adjustment

• Advanced caching with prefetching for popular accounts (exchanges, anchors, DEX contracts)

Completion Criteria:

• All 45+ RPC methods are operational on mainnet

• 99.95% uptime SLA achieved across all regions

• Sub-10ms P50 latency, sub-25ms P95 latency

• FastExec >97% transaction success rate

• Sub-5-second average confirmation time

• Security hardening complete (WAF, DDoS protection)

• Disaster recovery tested and documented

Deliverable 8: Production DeFi Indexer (10+ Protocols)

Description: Production-grade indexer with expanded protocol coverage, cross-protocol analytics, and enterprise reliability.

Stellar-Specific Implementation:

• Expand to 10+ major Stellar DeFi protocols (add Scopuly, Balanced Exchange, additional DEXes)

• Cross-protocol analytics and aggregation

• Advanced event parsing for complex Soroban contract chains

• Complete historical data from protocol genesis

• Enhanced GraphQL schema with aggregated queries

• Real-time TVL tracking and volume analytics

Completion Criteria:

• 10+ DeFi protocols indexed on mainnet

• Complete historical data from each protocol's genesis

• GraphQL API handling 5,000+ queries/minute

• Real-time subscriptions with <1 second latency

• Cross-protocol analytics (aggregated TVL, volume, liquidity)

• Protocol comparison and ranking queries

• Public indexer analytics dashboard

Deliverable 9: Complete SDK Suite & Production Documentation

Description: Production-ready SDKs for TypeScript and Python with comprehensive documentation, examples, and developer resources.

Stellar-Specific Implementation:

• TypeScript SDK v1.0 production release with full type safety

• Python SDK v1.0 production release with full async support

• Complete XDR utilities and helpers

• Advanced features: batch requests, connection pooling, automatic retries

• Production-ready error handling and logging

Completion Criteria:

• TypeScript SDK v1.0 stable release on npm

• Python SDK v1.0 stable release on PyPI

• 30+ working code examples covering all use cases

• Complete API reference documentation

• Video tutorials and guides

• Migration playbook from Horizon API

• Community Discord support channel

• Open-source GitHub repositories with CI/CD

Budget Breakdown:

Team Compensation (1 month): $14,500

• Infrastructure and Platform Engineers (2 personnel): $6,000

• Senior Backend & Blockchain Engineers (2 personnel): $4,000

• Frontend Engineers (2 personnel): $3,000

• Product Designer (1 personnel): $1,500

Infrastructure Costs (3 regions, 1 month): $35,500

• Amazon EC2 (Production-grade compute): $13,000

  • Full Nodes (9 instances, enhanced): $10,000

  • Additional capacity for production load: $3,000

• Amazon EC2 (Archive Nodes - expanded storage): $5,000

• EBS Storage (production capacity): $5,000

  • Full Nodes: $2,000

  • Archive Nodes (6TB total): $3,000

• Amazon ElastiCache (Redis - production tier): $7,500

  • Enhanced capacity for production traffic

• Amazon RDS (PostgreSQL - production database): $3,000

  • Aurora with multi-AZ deployment

• Security Services: $1,000

  • WAF, DDoS protection, SSL certificates

• Load Balancers & Networking (production): $1,000

• Monitoring, Alerting & Logging: $500

Total Tranche 3: $50,000

Note: All tranche deliverables are 3 months because we have spent so much time integrating other ecosystem chains, so the foundation has been laid to integrate the Stellar blockchain more easily.

CelerFi is built by a proven technical team with deep blockchain infrastructure and Web3 experience. Our founding team combines expertise in distributed systems, AI/ML development, and developer experience design. Divine-Favour Chinedu (Founder & CEO) brings a multi-dimensional background combining software engineering, quantitative trading, and technical writing, with Web3 expertise as a Technical Writer at Celo Foundation, plus experience developing crypto trading algorithms and risk management systems. Olaleye Eniola (Co-Founder & Chief AI Officer) is a #3 ranked data scientist out of 70k+ on Zindi platform, Cornell M.Eng candidate with multiple 1st place finishes in ML competitions and industry experience developing cutting-edge ML models for behavior prediction and customer engagement analysis. Joshua Moses (Co-Founder & CTO) is a Web3 native with experience as Technical Writer at Celo Foundation, smart contract developer, and frontend specialist who has worked as Frontend Engineer at multiple Web3 companies and serves on LogRocket's Content Advisory Board. Our team previously worked on Argus under the SCF program before pivoting to CelerFi, giving us valuable experience in the Stellar ecosystem and understanding of the infrastructure challenges that CelerFi addresses. This combination of technical depth, AI/ML expertise, and Web3 ecosystem experience positions our team ideally to build the unified multi-chain infrastructure that will accelerate Stellar ecosystem growth.

Team Members:

• Divine-Favour Chinedu (Founder & CEO) - Multi-dimensional professional with Web3 expertise, quantitative trading background, and technical writing experience at Celo Foundation
  https://www.linkedin.com/in/divine-favour-chinedu-b464121b5/

• Olaleye Eniola (Co-Founder & Chief AI Officer) - #3 ranked data scientist on Zindi platform, Cornell M.Eng candidate with multiple ML competition wins and industry AI experience
  https://www.linkedin.com/in/eniola-olaleye-361b39160/

• Joshua Moses (Co-Founder & Frontend Lead) - Web3 native with Celo Foundation experience, smart contract development expertise, and full-stack blockchain integration skills

  https://www.linkedin.com/in/joshua-moses-4117a7209/