📡 Online Transaction Broadcaster

This tool runs on an internet-connected device. It fetches network information and broadcasts signed transactions created by the Offline Signer.

1 Select Network & Enter Address

Network

Custom RPC URL Block Explorer URL (optional)

From Address (your wallet address from offline signer)

Connecting...

2 Network Information

Note down these values and enter them in the Offline Signer on your air-gapped device.

Show legacy gas suggestion

3 Paste Signed Transaction

Paste the signed transaction hex string from the Offline Signer.

Signed Transaction (hex string starting with 0x)

4 Transaction Details

Verify all details below match what you signed on the offline device.

Broadcasting...

✅ Transaction Broadcasted

⚠️ Confirm Broadcast

You are about to broadcast this transaction to the network. This action is irreversible.