Onyx OTA Manager

Generate one-time addresses · Check chain status

OTA accounts are ECDSA-free. Funds are authenticated by revealing hash-chain preimages. Keep your Spend SK secret — it derives all spending keys.

Spend Secret Key master secret — never share

View Secret Key shareable for scan-only

Chain Length hash depth

Count OTA slots

L2 Token Address optional — leave blank for ETH OTA

L1 Token Address ERC-20 on Sepolia

OTA Address manual check

📂 Load wallet.json to check all OTAs