In this guide
What Crypto Can You Deposit on Polymarket?
USDC on the Polygon network serves as Polymarket's primary deposit asset. Direct deposits of ETH, BTC, or alternative cryptocurrencies are not supported. That said, UK-based participants holding alternative digital assets can readily convert to USDC through either a decentralised exchange or a traditional exchange operator before funding their account.
How to Convert ETH to USDC for Polymarket
- Via a CEX (simplest method): Exchange ETH for USDC on platforms such as Coinbase or Kraken, followed by withdrawal of USDC to the Polygon chain
- Via Uniswap on Polygon: Use the Polygon bridge to move ETH onto Polygon, then execute a swap to USDC through Uniswap's interface
- Via 1inch: Compares swap liquidity and pricing across numerous DEX venues operating on Polygon
USDC Networks: Polygon vs Ethereum
Polymarket operates exclusively with Polygon USDC in its native form, not via cross-chain bridges. Ensure you are transferring USDC specifically on the Polygon network rather than Ethereum's main layer. Transferring mainnet Ethereum USDC to a Polygon-based address will lead to permanent asset loss.
- ✅ Polygon USDC (MATIC network) → use this
- ⚠️ Ethereum USDC (ERC-20) → requires bridging before use on Polymarket
Can You Deposit BTC on Polymarket?
This is not feasible without conversion. First exchange BTC to USDC through a UK-regulated exchange, then move the resulting USDC to Polygon. Completion typically occurs within half an hour following account verification.
Minimum Crypto Deposit
Polymarket does not impose a stated minimum deposit threshold. From a practical standpoint, approximately $5 in USDC represents a reasonable entry point, accounting for network fees whilst preserving sufficient capital for active participation.