In this guide
What Crypto Can You Deposit on Polymarket?
The primary settlement asset on Polymarket is USDC operating on the Polygon blockchain. Direct deposits of ETH, BTC, and alternative cryptocurrencies are not supported. That said, UK-based traders holding alternative digital assets can readily convert to USDC through either a decentralised exchange or a traditional cryptocurrency exchange before funding their account.
How to Convert ETH to USDC for Polymarket
- Via a CEX (easiest): Exchange ETH for USDC on platforms such as Coinbase or Kraken, then withdraw the USDC to the Polygon network
- Via Uniswap on Polygon: Move ETH onto Polygon using the official bridge, then execute a token swap to USDC through Uniswap
- Via 1inch: Routes your swap across the most competitive liquidity pools on Polygon to secure optimal pricing
USDC Networks: Polygon vs Ethereum
Polymarket operates exclusively with Polygon-native USDC (not a wrapped or bridged variant). Ensure you are transferring USDC on the Polygon chain specifically, not the Ethereum blockchain. Attempting to send Ethereum mainnet USDC to a Polygon destination will result in permanent loss of your funds.
- ✅ Polygon USDC (MATIC network) → use this
- ⚠️ Ethereum USDC (ERC-20) → requires bridging before use on Polymarket
Can You Deposit BTC on Polymarket?
Direct deposit is not an option. You must first convert BTC into USDC using a UK-regulated exchange, then send the USDC across the Polygon network. Assuming your exchange account is already active, the entire operation typically completes within half an hour.
Minimum Crypto Deposit
Polymarket does not impose a formal deposit floor. From a practical standpoint, depositing approximately $5 worth of USDC allows you to cover transaction fees while retaining sufficient capital for active trading positions.