Polymarket US Launches 5-Minute Bitcoin, Ethereum, Solana, and XRP Predictions

Polymarket has officially launched 5-minute crypto price prediction contracts on the Polymarket US App. Shortlisted cryptocurrencies include Bitcoin (BTC), Ethereum (ETH), Solana (SOL), and XRP. The app operates as a binary options market (up and down forecasts), with correct predictions paying out at $1 per contract. To promote fairness, settlement is based on Chainlink’s 60-second …