Paxful P2P Cryptocurrency Marketplace. Use a crypto broker that accepts cash deposits, such as CoinSpot. There are hundreds of platforms to choose from, and they can be separated into three main categories: Bitcoin brokers Brokers offer the quickest and easiest way to buy Bitcoin, allowing you to pay for your digital coins using fiat currency like AUD or USD. Cheapest To find the cheapest exchange, we looked at overall cost-effectiveness when buying BTC with fiat currency, including exchange commission fees, deposit and withdrawal fees, exchange costs and any other applicable fees. Daily cryptocurrency news digest and breaking news delivered to your inbox. It’s a straightforward brokerage, with an optional peer-to-peer market on the side, and it provides its users with wallets for all supported cryptocurrencies. Review transaction details and buy cryptocurrency.