I can't see the Web 3 Wallet
Make sure your email address is verified. The Web 3 Wallet only appears after email verification, under Accounts → Web 3 Wallet.
My transaction is taking longer than expected
Settlement times vary by network. Polygon settles in ~5 seconds, but Base, Optimism, Ethereum, and Arbitrum can take 12–15 minutes. Check the transaction hash on the block explorer link provided in your wallet history.
I'm getting an "invalid address" error
The recipient address must:
Start with
0xBe exactly 42 characters long
Be a valid EVM wallet address
I hit a sending limit
Bancoli sponsors gas fees with the following limits:
Arbitrum, Ethereum, Optimism, Polygon (via Alchemy):
Up to 5 gas-sponsored operations per address
Policy resets every 10 minutes
Base (via Coinbase Developer Platform):
Up to 10 gas-sponsored operations per user
Per-user limit: $100 USD max sponsored per day
Policy resets daily
If you hit either limit, wait for the policy to reset before sending again.
I sent USDC to the wrong address or network
Unfortunately, blockchain transactions are irreversible. There is no way to cancel or refund a transfer once it's submitted. Always verify the address and network before confirming.
My Coinbase 2FA isn't working
Try re-authenticating through the Coinbase 2FA flow in the app. If your authenticator device was lost or compromised, contact Bancoli support for assistance.