All notable changes to the Verifiable Randomness Service.

[0.1.0-BETA] - 2026-02-18

Initial Production Release

**Multichain Support:**

• Solana mainnet and devnet support
• Base (EVM) mainnet support with MetaMask integration
• Separate payment wallets per chain (Solana: 3Qudd5FG..., Base: 0x2d55...)
• USDC payments via x402 protocol on both chains

**RPC & Infrastructure:**

• Helius RPC integration (primary) for Solana
• Fallback to public RPCs if Helius unavailable
• Redis-based replay protection for payment verification

**Frontend UI:**

• Landing page with network selector (Solana/Base)
• Wallet connection (Phantom/Solflare for Solana, MetaMask for Base)
• Real-time transaction signing and payment flow
• Attestation verification display

**Security:**

• Rate limiting (100/min global, 20/min paid)
• Whitelist support for free API access
• API key authentication for partners
• x402 payment verification via PayAI facilitator
• Arweave commitment proofs for verification

**API Endpoints:**

• POST /v1/randomness - 256-bit random seed
• POST /v1/random/number - Random integer in range
• POST /v1/random/dice - Roll dice (NdM notation)
• POST /v1/random/pick - Pick one item from array
• POST /v1/random/shuffle - Fisher-Yates shuffle
• POST /v1/random/winners - Pick multiple unique winners
• POST /v1/random/uuid - Generate UUIDv4
• GET /v1/attestation - Get TEE attestation info
• GET /v1/health - Health check
• POST /v1/verify - Verify attestation quote

**TEE Integration:**

• Intel TDX hardware-backed randomness generation
• Remote attestation via Phala dStack SDK
• Simulation mode for local development

**Monitoring:**

• Comprehensive logging
• Health check endpoint with detailed status
• Arweave commitment storage for audit trails