How to use Polypay App

Polypay App (Beta v0.1)

Polypay app beta v0.1 is an initial release of the Polypay platform. It is a web application that allows you to create and manage a multisig account on Horizen, Base, or Arbitrum with a focus on privacy. Current version includes the following features:

• Choose between Horizen, Base, and Arbitrum networks

• Create and manage a multisig account

• Hide signers(multisig account owners) identities with ZK proofs

• Execute payroll payments: Transfer funds to multiple recipients

• Deposit USDC into a multisig gaslessly via x402 (Base only)

• View transaction history

• View multisig account balance

• View multisig account address

• Switch between networks from the sidebar

User Workflow

1. Connect Wallet: Connect your wallet

2. Generate Identity: Sign a message to create your secret

3. Choose Network: Select Horizen, Base, or Arbitrum(see Arbitrum Stylus Support for current limitations on Arbitrum)

4. Create/Join Account: Deploy new multisig or join existing one

5. Propose Transaction: Create transfer and generate ZK proof

6. Sign: Other signers approve with their ZK proofs

7. Execute: When threshold reached, execute the transaction

Video Demo

Watch on X (Twitter)

Screenshots

Dashboard

Overview of your multisig account including balance, pending transactions, and signers list.

Dashboard

Create New Account

Create a new multisig account by adding signer membership IDs and setting the threshold.

Create New Account

Transfer

Send funds to single or multiple recipients with ZK proof generation.

Transfer

Gasless USDC Deposit (x402)

Open the Portfolio panel of a Base multisig and click Deposit to fund the multisig with USDC in a single signature, no ETH required. The flow uses the x402 protocol and works for human users and AI agents alike. See Gasless USDC Deposits (x402) for the full guide and developer integration.