Onyx OTA Manager
← Bridge
Generate one-time addresses · Check chain status
Generate
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
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Chain Length
hash depth
Count
OTA slots
L2 Token Address
optional — leave blank for ETH OTA
L1 Token Address
ERC-20 on Sepolia
Generate OTA
Save wallet.json
Use first OTA in Bridge →
OTA Address
manual check
Check
📂 Load wallet.json to check all OTAs
Pending Withdrawals
Open Withdrawal UI →
↻ Refresh all