Arqion presents a comprehensive developer infrastructure platform purpose-built for the Solana blockchain. As Solana's ecosystem matures and transaction volumes scale to millions per day, developers face increasing challenges with RPC reliability, compute unpredictability, and the complexity of building production-grade applications.
Traditional RPC infrastructure fails to leverage Solana's unique architectural advantages— particularly the Sealevel parallel runtime—resulting in suboptimal transaction throughput and unnecessary compute costs. Existing indexing solutions struggle to maintain real-time state synchronization at the scale Solana demands.
This whitepaper introduces the Arqion platform: a vertically integrated stack providing deterministic compute pipelines, intelligent RPC routing, distributed indexing, and enterprise-grade key management. By building infrastructure that understands Solana's account model natively, Arqion enables developers to focus on application logic rather than infrastructure complexity.
Public RPC endpoints experience severe congestion during high-activity periods, leading to dropped transactions and degraded user experiences. Developers are forced to implement complex retry logic and endpoint rotation strategies that add engineering overhead without solving the underlying infrastructure limitations.
Existing indexing solutions introduce significant latency between on-chain state changes and queryable data availability. For applications requiring real-time state—DeFi protocols, gaming, and trading systems—this delay is unacceptable and forces developers to build custom polling infrastructure.
Solana's compute unit model requires developers to accurately estimate transaction costs before submission. Overestimation wastes priority fees; underestimation causes transaction failures. Without sophisticated simulation infrastructure, teams resort to conservative buffers that inflate operational costs.
Building production-grade Solana infrastructure requires significant investment in RPC nodes, indexing clusters, and security infrastructure. Small teams cannot justify these costs, limiting innovation to well-funded projects and centralizing ecosystem development.
The Arqion platform implements a four-layer architecture designed for horizontal scalability and fault tolerance. Each layer operates independently while maintaining strict interfaces for reliable cross-layer communication.
Global edge network accepting client requests with sub-10ms routing to processing nodes. Implements rate limiting, authentication, and request validation at the edge.
Core transaction processing with deterministic compute pipelines. Leverages Sealevel parallelism for optimal throughput and implements pre-flight simulation for all transactions.
Distributed ledger consumers maintaining normalized account state with sub-millisecond update propagation. Supports both historical queries and real-time streaming.
Comprehensive telemetry capturing transaction performance, RPC latency, and program activity metrics. Enables debugging, optimization, and compliance auditing.
Arqion implements custom transaction executors that understand Solana's account locking semantics. By analyzing read/write sets before submission, transactions are batched to minimize lock contention and maximize parallel execution across Sealevel threads.
Unlike monolithic indexers, Arqion distributes indexing workloads across specialized workers. Account-type-specific indexers process data in parallel, while a coordination layer ensures consistency and handles cross-program relationships.
Through comprehensive instruction analysis and historical execution data, Arqion predicts compute requirements with high accuracy. This eliminates over-provisioning while ensuring transactions have sufficient budget for successful execution.
Arqion maintains a graph of account relationships derived from program interactions. This supergraph enables efficient querying of related accounts, program-derived addresses, and cross-program dependencies without expensive on-chain traversal.
Private keys are stored within hardware security modules (HSMs) and never leave the secure enclave boundary. Signing operations occur entirely within the HSM, with only the signed transaction output returned to the application layer.
All simulation results are cryptographically signed by the execution environment using attestation keys. Clients can verify that simulation outputs originate from authentic Arqion infrastructure and have not been tampered with.
The ingress layer implements sophisticated anomaly detection to identify and mitigate attack patterns. Reputation scoring ensures that malicious actors cannot degrade service quality for legitimate users, while maintaining high availability during DDoS events.
Complete production hardening of core infrastructure. Achieve 99.99% uptime SLA and sub-100ms p99 latency for all RPC operations. Graduate from beta to general availability.
Launch native SDKs for iOS and Android with Solana Mobile Stack integration. Enable mobile-first Solana applications with seamless wallet connectivity and transaction signing.
Native support for compressed NFTs and state compression. Integrate with Light Protocol and other zk compression solutions to enable cost-effective large-scale applications.