Arcanum is a private on-chain messenger on Arc mainnet. Public messages route through contracts/ArcanumMessenger.sol, while private conversations are encrypted client-side in lib/crypto.ts using browser ECDH key exchange and AES-GCM, with encryption public keys registered on-chain. A family of Hardhat-tested Solidity contracts extends the messenger: ArcanumAgents.sol for paid agent-to-agent messaging, ArcanumGroups.sol for owner-managed encrypted groups with per-epoch member key rotation, ArcanumBulkSender.sol for atomic native-USDC batch transfers to up to 100 recipients, and a two-sided gig marketplace pairing ArcanumGigBoard.sol with ArcanumEscrow.sol for native USDC escrow, deadlines, and independent arbitration. The Next.js frontend in app/ uses wagmi for wallet connection and Arc Testnet chain switching.
deployed on Arc mainnet · chain 5042| Contract | Address | Proof |
|---|---|---|
| ArcanumMessenger | 0xC0043A981650ed85ae89f1c2f60E826D39aC365e | Blockscout ✓ |
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1 (Solo) — Fatih Cabuk (solo)
the p2p private onchain messenger on Arc Network.