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Before You Trade

You need USDC on Polygon in your FrenFlow wallet to trade on Polymarket. This guide covers every way to get funds in.
Find your wallet address in Settings → Wallet. This is the address you’ll send funds to.

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Option 1: Bridge from Any Chain (Easiest)

FrenFlow includes the Polymarket Bridge, which converts funds from 15+ blockchains directly to USDC.e on Polygon.
1

Open the deposit flow

Click the + button in the header, or find Add Funds in the sidebar.
2

Choose the bridge

Select Bridge to open the Polymarket Bridge widget.
3

Select source chain and token

Pick where your funds are:
  • Ethereum — ETH, USDC, USDT
  • Arbitrum — ETH, USDC, ARB
  • Base — ETH, USDC
  • Solana — SOL, USDC
  • And 10+ more chains
4

Enter amount and confirm

Enter how much to bridge. The widget shows the estimated amount you’ll receive in USDC.e on Polygon. Confirm and approve the transaction in your external wallet.
5

Wait for confirmation

Bridging takes 1–10 minutes depending on the source chain. Your FrenFlow balance updates automatically.
Polymarket Bridge

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Option 2: Send from an Exchange

If you have USDC on a centralized exchange (Coinbase, Binance, Kraken, etc.):
1

Copy your wallet address

Go to Settings → Wallet and copy your Polygon wallet address.
2

Withdraw from your exchange

On your exchange, withdraw USDC and select the Polygon network. Paste your FrenFlow wallet address.
3

Wait for arrival

Exchange withdrawals typically arrive in 1–5 minutes on Polygon.
Always select the Polygon network when withdrawing. Sending on the wrong network (e.g., Ethereum mainnet) will still arrive, but you’ll need to bridge it to Polygon afterwards.

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Option 3: Transfer from Another Wallet

If you already have USDC or USDC.e on Polygon in MetaMask, Rabby, or any wallet:
  1. Copy your FrenFlow wallet address from Settings → Wallet
  2. Send USDC or USDC.e on Polygon to that address
  3. Balance updates in seconds
Transfer Funds

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USDC vs USDC.e

Polymarket uses USDC.e (bridged USDC) for trading. FrenFlow handles the conversion:
TokenWhat it isUsed for
USDCCircle’s native USDC on PolygonDeposits, withdrawals
USDC.eBridged USDC (Polymarket standard)Trading on Polymarket
If you deposit native USDC, FrenFlow shows both balances and provides a one-click swap to USDC.e. You can also swap manually from Settings → Wallet → Swap to USDC.e.
If you use the Polymarket Bridge, funds arrive as USDC.e directly — no swap needed.

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Funding for Kalshi (Solana)

Kalshi markets on FrenFlow use USDC on Solana via DFlow. If you want to trade Kalshi:
  1. Your Solana wallet address is shown in Settings → Wallet (below the Polygon wallet)
  2. Send USDC on Solana to that address
  3. Kalshi and Polymarket wallets are separate — fund each one independently
Solana Wallet

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Minimum Amounts

Minimum
First trade~$1 (but $5+ recommended for meaningful positions)
BridgeVaries by source chain (usually $5–10 minimum)
Exchange withdrawalDepends on your exchange

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Troubleshooting

Check that you sent on the Polygon network. If you sent on Ethereum or another chain, you’ll need to bridge it. Your funds are safe — just on the wrong network.
You likely have native USDC but need USDC.e for Polymarket. Go to Settings → Wallet → Swap to USDC.e.
Bridges can take up to 15 minutes on congested networks. If it’s been longer, check the bridge transaction on the source chain’s block explorer.
Check Settings → Wallet. Both balances are shown separately: USDC (native) and USDC.e (bridged/Polymarket).