Here are some of the safest platforms to buy cryptocurrencies:
1. **Coinbase**: Easy to use, with a good reputation for security.
2. **Binance**: Offers a wide selection of cryptocurrencies and advanced tools.
3. **Kraken**: Known for its security and advanced trading features.
4. **Gemini**: Regulated platform, focused on user security.
5. **Bitstamp**: One of the oldest platforms, known for its reliability.