Onyx Bridge

OTA Manager →

Deposit ETH from Sepolia → Onyx Hash-Only L2 (chainId 42069422)

From

Sepolia (L1)

→

OP Rollup (L2)

L1 ETH

—

L2 ETH

—

L1 Token Address

L2 Token Address

Token: — · Decimals: — ＋ MetaMask

ℹ️ Onyx L2 uses hash-chain accounts (no ECDSA). Generate an OTA address with hash-scan generate, then deposit ETH or ERC-20 tokens. The OTA commitment is registered on L2 automatically.

Multi-step process required Onyx L2 uses hash-chain accounts — MetaMask cannot sign L2 transactions. Use the Withdrawal UI to load your wallet.json, find an output root game, prove on Sepolia, and finalize.

OTA Address (from hash-scan generate)

Commitment (bytes32 chain head)

Chain Length (number of hashes)

Amount

ETH

Connect wallet to start

+ Add OP Rollup to MetaMask